<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0185-3880</journal-id>
<journal-title><![CDATA[Ciencias marinas]]></journal-title>
<abbrev-journal-title><![CDATA[Cienc. mar]]></abbrev-journal-title>
<issn>0185-3880</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma de Baja California, Instituto de Investigaciones Oceanológicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0185-38802017000100035</article-id>
<article-id pub-id-type="doi">10.7773/cm.v43i1.2700</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Benthic nitrogen fixation in Zostera marina meadows in an upwelling-influenced coastal lagoon]]></article-title>
<article-title xml:lang="es"><![CDATA[Fijación bentónica de nitrógeno en praderas de Zostera marina de una laguna costera influenciada por surgencias]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-López]]></surname>
<given-names><![CDATA[Julieta]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Camacho-Ibar]]></surname>
<given-names><![CDATA[Víctor F]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Macías-Tapia]]></surname>
<given-names><![CDATA[Alfonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[McGlathery]]></surname>
<given-names><![CDATA[Karen J]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Daesslé]]></surname>
<given-names><![CDATA[Luis W]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sandoval-Gil]]></surname>
<given-names><![CDATA[Jose M]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Baja California Instituto de Investigaciones Oceanológicas ]]></institution>
<addr-line><![CDATA[ Baja California]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,University of Virginia  ]]></institution>
<addr-line><![CDATA[Charlottesville Virginia]]></addr-line>
<country>USA</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<volume>43</volume>
<numero>1</numero>
<fpage>35</fpage>
<lpage>53</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-38802017000100035&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-38802017000100035&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-38802017000100035&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Dinitrogen (N2) fixation rates were determined in the phyllosphere and in sediments with and without the presence of eelgrass (Zostera marina) in San Quintín Bay, an upwelling-influenced coastal lagoon in the NE Pacific. Samples were collected during winter 2015 at 4 sites with a gradient of oceanic influence and contrasting impact from oyster aquaculture. N2 fixation rates were determined with the acetylene reduction assay. Treatments under light and in the dark, and with and without sodium molybdate resulted in similar fixation rates, suggesting that heterotrophic nonsulfate-reducing bacteria made the largest contribution to N2 fixation, while sulfate-reducing bacteria had low fixation activity at most stations. N2-fixation rates in sediments ranged from 7 to 12 mol m-2 h-1 and were similar to those in other temperate seagrass-dominated estuaries. Winter conditions were likely responsible for small spatial differences in N2 fixation rates throughout the lagoon, even between vegetated and unvegetated sites and among depth sections of sediment cores. During winter, Z. marina growth rates and biomass are low, resulting in low and less variable release of labile organic carbon, which acts as substrate for diazotrophs. The lowest N2 fixation rates were measured at a site where high denitrification rates have been observed, probably reflecting a competition between diazotrophs and denitrifiers. The highest fixation rates were measured at the innermost station where oceanic nitrate is scarce. Epiphytic bacteria contributed ~7% of the total N2 fixation, with rates of &lt;0.5 mol m-2 h-1. N2 fixation potentially supplied 5-10% of Z. marina N requirements and could supply ~30% of the N loss via denitrification in winter.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se determinaron las tasas de fijación de nitrógeno molecular (N2) en la filosfera y en sedimentos con y sin presencia de pasto marino (Zostera marina) en bahía San Quintín, una laguna costera del Pacífico nororiental influenciada por surgencias. Se recolectaron muestras durante el invierno de 2015 en 4 sitios a lo largo de un gradiente de influencia oceánica y con diferente grado de impacto por la ostricultura. Las tasas de fijación de N2 se determinaron con el método de reducción de acetileno. Las tasas de fijación en los tratamientos con luz y en oscuridad, y en los tratamientos con y sin molibdato de sodio fueron similares, lo que sugiere que las bacterias heterótrofas no sulfatoreductoras fueron las principales contribuyentes a la fijación de N2, mientras que las sulfatoreductoras presentaron baja actividad de fijación en la mayoría de los sitios. Las tasas de fijación de N2 presentaron un intervalo de 7 a 12 mol m-2 h-1 y fueron similares a las reportadas para otros estuarios dominados por praderas de pastos marinos en zonas templadas. Las condiciones ambientales de invierno probablemente determinaron las pequeñas diferencias en las tasas de fijación de N2 a lo largo de la laguna, incluso entre sitios con y sin vegetación o entre las diferentes secciones de los núcleos de sedimento. Durante el invierno, las tasas de crecimiento y las biomasas de Z. marina son bajas, lo que resulta en una liberación baja y poco variable de carbono orgánico lábil, sustrato importante para los diazótrofos. Las tasas de fijación de N2 más bajas se midieron en el sitio donde aparentemente se presentan altas tasas de desnitrificación, lo que probablemente refleja una competencia entre diazótrofos y desnitrificadores. Las tasas de fijación más altas se midieron en la estación más interna, donde es escaso el aporte de nitrato oceánico. Las bacterias epífitas contribuyeron alrededor del 7% de la fijación total de N2, con tasas &lt;0.5 mol m-2 h-1. La fijación de N2 potencialmente abasteció entre el 5% y 10% del N requerido por Z. marina y podría abastecer ~30% del N que se pierde vía la desnitrificación en invierno.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[N2 fixation]]></kwd>
<kwd lng="en"><![CDATA[Zostera marina]]></kwd>
<kwd lng="en"><![CDATA[sediments]]></kwd>
<kwd lng="en"><![CDATA[phyllosphere]]></kwd>
<kwd lng="en"><![CDATA[diazotrophs]]></kwd>
<kwd lng="es"><![CDATA[fijación de N2]]></kwd>
<kwd lng="es"><![CDATA[Zostera marina]]></kwd>
<kwd lng="es"><![CDATA[sedimentos]]></kwd>
<kwd lng="es"><![CDATA[filosfera]]></kwd>
<kwd lng="es"><![CDATA[diazótrofos]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aguirre-Muñoz]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Buddemeier]]></surname>
<given-names><![CDATA[RW]]></given-names>
</name>
<name>
<surname><![CDATA[Camacho-Ibar]]></surname>
<given-names><![CDATA[VF]]></given-names>
</name>
<name>
<surname><![CDATA[Carriquiry]]></surname>
<given-names><![CDATA[JD]]></given-names>
</name>
<name>
<surname><![CDATA[Ibarra-Obando]]></surname>
<given-names><![CDATA[SE]]></given-names>
</name>
<name>
<surname><![CDATA[Massey]]></surname>
<given-names><![CDATA[BW]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[SV]]></given-names>
</name>
<name>
<surname><![CDATA[Wulff]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sustainability of coastal resource use in San Quintin, Mexico]]></article-title>
<source><![CDATA[Ambio]]></source>
<year>2001</year>
<volume>30</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>142-9</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bentzon-Tilia]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Severin]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Hansen]]></surname>
<given-names><![CDATA[LH]]></given-names>
</name>
<name>
<surname><![CDATA[Riemann]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Genomics and ecophysiology of heterotrophic nitrogen fixing bacteria isolated from estuarine surface water]]></article-title>
<source><![CDATA[mBio]]></source>
<year>2015</year>
<volume>6</volume>
<numero>4</numero>
<issue>4</issue>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bergman]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Gallon]]></surname>
<given-names><![CDATA[JR]]></given-names>
</name>
<name>
<surname><![CDATA[Rai]]></surname>
<given-names><![CDATA[AN]]></given-names>
</name>
<name>
<surname><![CDATA[Stal]]></surname>
<given-names><![CDATA[LJ.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[N2 Fixation by non-heterocystous cyanobacteria]]></article-title>
<source><![CDATA[FEMS Microbiol. Rev.]]></source>
<year>1997</year>
<volume>19</volume>
<page-range>139-85</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cabello-Pasini]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Muñiz-Salazar]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Ward]]></surname>
<given-names><![CDATA[DH.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Annual variations of biomass and photosynthesis in Zostera marina at its southern end of distribution in the North Pacific]]></article-title>
<source><![CDATA[Aquat. Bot.]]></source>
<year>2003</year>
<volume>76</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>31-47</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camacho-Ibar]]></surname>
<given-names><![CDATA[VF]]></given-names>
</name>
<name>
<surname><![CDATA[Carriquiry]]></surname>
<given-names><![CDATA[JD]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[SV.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Non-conservative P and N fluxes and net ecosystem production in San Quintin Bay, Mexico]]></article-title>
<source><![CDATA[Estuaries Coasts]]></source>
<year>2003</year>
<volume>26</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>1220-37</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Capone]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Benthic nitrogen fixation]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Blackburn]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Sorenser]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nitrogen Cycling in Coastal Marine Environments]]></source>
<year>1988</year>
<page-range>85-123</page-range><publisher-name><![CDATA[John Wiley &amp; Sons]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Capone]]></surname>
<given-names><![CDATA[DG.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nitrogen fixation (acetylene reduction) by rhizosphere sediments of the eelgrass Zostera marina]]></article-title>
<source><![CDATA[Mar. Ecol. Prog. Ser.]]></source>
<year>1982</year>
<volume>10</volume>
<page-range>67-75</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Capone]]></surname>
<given-names><![CDATA[DG]]></given-names>
</name>
<name>
<surname><![CDATA[Taylor]]></surname>
<given-names><![CDATA[BF.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nitrogen fixation (acetylene reduction) in the phyllosphere of Thalassia tesudinum]]></article-title>
<source><![CDATA[Mar. Biol.]]></source>
<year>1977</year>
<page-range>19-28</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Capone]]></surname>
<given-names><![CDATA[DG]]></given-names>
</name>
<name>
<surname><![CDATA[Penhale]]></surname>
<given-names><![CDATA[PA]]></given-names>
</name>
<name>
<surname><![CDATA[Oremland]]></surname>
<given-names><![CDATA[RS]]></given-names>
</name>
<name>
<surname><![CDATA[Taylor]]></surname>
<given-names><![CDATA[BF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Relationship between productivity and N2 (C2H2) fixation in a Thalassia testudinum community]]></article-title>
<source><![CDATA[Limnol. Oceanogr.]]></source>
<year>1979</year>
<volume>24</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>117-25</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carriquiry]]></surname>
<given-names><![CDATA[JD]]></given-names>
</name>
<name>
<surname><![CDATA[Jorgensen]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Villaescusa]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Ibarra-Obando]]></surname>
<given-names><![CDATA[SE.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Isotopic and elemental composition of marine macrophytes as biotracers of nutrient recycling within a coastal lagoon in Baja California, Mexico]]></article-title>
<source><![CDATA[Estuaries Coasts]]></source>
<year>2016</year>
<volume>39</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>451-61</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cole]]></surname>
<given-names><![CDATA[LW]]></given-names>
</name>
<name>
<surname><![CDATA[McGlathery]]></surname>
<given-names><![CDATA[KJ.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nitrogen fixation in restored eelgrass meadows]]></article-title>
<source><![CDATA[Mar. Ecol. Prog. Ser.]]></source>
<year>2012</year>
<volume>448</volume>
<page-range>235-46</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cook]]></surname>
<given-names><![CDATA[PLM]]></given-names>
</name>
<name>
<surname><![CDATA[Evrard]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Woodland]]></surname>
<given-names><![CDATA[RJ.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factors controlling nitrogen fixation in temperate seagrass beds]]></article-title>
<source><![CDATA[Mar. Ecol. Prog. Ser.]]></source>
<year>2015</year>
<volume>525</volume>
<page-range>41-51</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Daesslé]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Rendón-Márquez]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Camacho-Ibar]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez-Galindo]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Shumilin]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Ortiz-Campos]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Geochemistry of modern sediments from San Quintín coastal lagoon, Baja California: Implication for provenance]]></article-title>
<source><![CDATA[Rev. Mex. Cienc. Geol.]]></source>
<year>2009</year>
<volume>26</volume>
<page-range>117-32</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Edmunds]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Beardall]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Hart]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Elias]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Stojkovic-Tadic]]></surname>
</name>
</person-group>
<source><![CDATA[Port Phillip Channel Deepening Project: Environmental effects specialist studies]]></source>
<year>2004</year>
<numero>4</numero>
<issue>4</issue>
<page-range>46</page-range><publisher-name><![CDATA[Port Melbourne Corporation and Parsons Brinckerhoff]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fourqurean]]></surname>
<given-names><![CDATA[JW]]></given-names>
</name>
<name>
<surname><![CDATA[Duarte]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Kennedy]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Marbà]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Holmer]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Mateo]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Apostolaki]]></surname>
<given-names><![CDATA[ET]]></given-names>
</name>
<name>
<surname><![CDATA[Kendrick]]></surname>
<given-names><![CDATA[GA]]></given-names>
</name>
<name>
<surname><![CDATA[Krause-Jensen]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[McGlathery]]></surname>
<given-names><![CDATA[KJ]]></given-names>
</name>
<name>
<surname><![CDATA[Serrano]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Seagrass ecosystems as a globally significant carbon stock]]></article-title>
<source><![CDATA[Nat. Geosci.]]></source>
<year>2012</year>
<volume>5</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>505-9</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fulweiler]]></surname>
<given-names><![CDATA[RW]]></given-names>
</name>
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[SM]]></given-names>
</name>
<name>
<surname><![CDATA[Nixon]]></surname>
<given-names><![CDATA[SW]]></given-names>
</name>
<name>
<surname><![CDATA[Jenkins]]></surname>
<given-names><![CDATA[BD.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evidence and a conceptual model for the co-occurrence of nitrogen fixation and denitrification in heterotrophic marine sediments]]></article-title>
<source><![CDATA[Mar. Ecol. Prog. Ser.]]></source>
<year>2013</year>
<volume>482</volume>
<page-range>57-68</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fulweiler]]></surname>
<given-names><![CDATA[RW]]></given-names>
</name>
<name>
<surname><![CDATA[Nixon]]></surname>
<given-names><![CDATA[SW]]></given-names>
</name>
<name>
<surname><![CDATA[Buckley]]></surname>
<given-names><![CDATA[BA]]></given-names>
</name>
<name>
<surname><![CDATA[Granger]]></surname>
<given-names><![CDATA[SL.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Reversal of the net dinitrogen gas flux in coastal marine sediments]]></article-title>
<source><![CDATA[Nature]]></source>
<year>2007</year>
<volume>448</volume>
<page-range>180-2</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gracía-Escobar]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
<name>
<surname><![CDATA[Millán-Núñez]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[González-Silvera]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Santamaría-del-Ángel]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Camacho-Ibar]]></surname>
<given-names><![CDATA[VF]]></given-names>
</name>
<name>
<surname><![CDATA[Trees]]></surname>
<given-names><![CDATA[CC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Changes in the abundance and composition of phytoplankton in a coastal lagoon during neap-spring tide conditions]]></article-title>
<source><![CDATA[Open J. Mar. Sci.]]></source>
<year>2014</year>
<volume>3</volume>
<page-range>80-100</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hardy]]></surname>
<given-names><![CDATA[RW]]></given-names>
</name>
<name>
<surname><![CDATA[Holsten]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
<name>
<surname><![CDATA[Jackson]]></surname>
<given-names><![CDATA[EK]]></given-names>
</name>
<name>
<surname><![CDATA[Burns]]></surname>
<given-names><![CDATA[RC.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The acetylene-ethylene assay for N(2) fixation: Laboratory and field evaluation]]></article-title>
<source><![CDATA[Plant Physiol.]]></source>
<year>1968</year>
<volume>43</volume>
<page-range>1185-207</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández-Ayón]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Galindo-Bect]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
<name>
<surname><![CDATA[Camacho-Ibar]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[García-Esquivel]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[González-Gómez]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Ley-Lou]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nutrient dynamics in the west arm of San Quintín Bay, Baja California, Mexico, during and after El Niño 1997/1998 = Dinámica de los nutrientes en el brazo oeste de Bahía San Quintín, Baja California, México, durante y después de El Niño 1997/1998]]></article-title>
<source><![CDATA[Cienc. Mar.]]></source>
<year>2004</year>
<volume>30</volume>
<numero>1A</numero>
<issue>1A</issue>
<page-range>119-32</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Humphries]]></surname>
<given-names><![CDATA[AT]]></given-names>
</name>
<name>
<surname><![CDATA[Ayvazian]]></surname>
<given-names><![CDATA[SG]]></given-names>
</name>
<name>
<surname><![CDATA[Carey]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Hancock]]></surname>
<given-names><![CDATA[BT]]></given-names>
</name>
<name>
<surname><![CDATA[Grabbert]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Cobb]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Strobel]]></surname>
<given-names><![CDATA[CJ]]></given-names>
</name>
<name>
<surname><![CDATA[Fulweiler]]></surname>
<given-names><![CDATA[RW.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Directly measured denitrification reveals oyster aquaculture and restored oyster reefs remove nitrogen at comparable high rates]]></article-title>
<source><![CDATA[Front. Mar. Sci.]]></source>
<year>2016</year>
<volume>3</volume>
<page-range>1-10</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kellogg]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
<name>
<surname><![CDATA[Smyth]]></surname>
<given-names><![CDATA[AR]]></given-names>
</name>
<name>
<surname><![CDATA[Luckenbach]]></surname>
<given-names><![CDATA[MW]]></given-names>
</name>
<name>
<surname><![CDATA[Carmichael]]></surname>
<given-names><![CDATA[RH]]></given-names>
</name>
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[BL]]></given-names>
</name>
<name>
<surname><![CDATA[Cornwell]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Piehler]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
<name>
<surname><![CDATA[Owens]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
<name>
<surname><![CDATA[Dalrymple]]></surname>
<given-names><![CDATA[DJ]]></given-names>
</name>
<name>
<surname><![CDATA[Higgins]]></surname>
<given-names><![CDATA[CB.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Use of oysters to mitigate eutrophication in coastal waters]]></article-title>
<source><![CDATA[Estuar. Coast. Shelf Sci.]]></source>
<year>2014</year>
<volume>151</volume>
<page-range>156-68</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kennedy]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Beggins]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Duarte]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Fourqurean]]></surname>
<given-names><![CDATA[JW]]></given-names>
</name>
<name>
<surname><![CDATA[Holmer]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Marbá]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Middelburg]]></surname>
<given-names><![CDATA[JJ.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Seagrass sediments as a global carbon sink: Isotopic constraints]]></article-title>
<source><![CDATA[Global Biogeochem. Cycles]]></source>
<year>2010</year>
<volume>24</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1-8</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Knapp]]></surname>
<given-names><![CDATA[AN.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The sensitivity of marine N2 fixation to dissolved inorganic nitrogen]]></article-title>
<source><![CDATA[Front. Microbiol.]]></source>
<year>2012</year>
<volume>3</volume>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lorenzen]]></surname>
<given-names><![CDATA[CJ.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Determination of chlorophyll and pheopigments: Spectrophotometric equations]]></article-title>
<source><![CDATA[Limnol. Oceanogr.]]></source>
<year>1967</year>
<volume>12</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>343-6</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mazarrasa]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Marbà]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Lovelock]]></surname>
<given-names><![CDATA[CE]]></given-names>
</name>
<name>
<surname><![CDATA[Serrano]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Lavery]]></surname>
<given-names><![CDATA[PS]]></given-names>
</name>
<name>
<surname><![CDATA[Fourqurean]]></surname>
<given-names><![CDATA[JW]]></given-names>
</name>
<name>
<surname><![CDATA[Kennedy]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Mateo]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Krause-Jensen]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Steven]]></surname>
<given-names><![CDATA[ADL]]></given-names>
</name>
<name>
<surname><![CDATA[Duarte]]></surname>
<given-names><![CDATA[CM.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Seagrass meadows as a globally significant carbonate reservoir]]></article-title>
<source><![CDATA[Biogeosciences]]></source>
<year>2015</year>
<volume>12</volume>
<numero>16</numero>
<issue>16</issue>
<page-range>4993-5003</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McGlathery]]></surname>
<given-names><![CDATA[KJ]]></given-names>
</name>
<name>
<surname><![CDATA[Risgard-Petersen]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Bondo-Christensen]]></surname>
<given-names><![CDATA[PB.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Temporal and spatial variation in nitrogen fixation activity in the eelgrass Zostera marina rhizosphere]]></article-title>
<source><![CDATA[Mar. Ecol. Prog. Ser.]]></source>
<year>1998</year>
<volume>168</volume>
<page-range>245-58</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McRoy]]></surname>
<given-names><![CDATA[CP]]></given-names>
</name>
<name>
<surname><![CDATA[Goering]]></surname>
<given-names><![CDATA[JJ]]></given-names>
</name>
<name>
<surname><![CDATA[Chaney]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nitrogen fixation associated with seagrasses]]></article-title>
<source><![CDATA[Limnol. Oceanogr.]]></source>
<year>1973</year>
<volume>18</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>998-1002</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Melaku Canu]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Aveytua-Alcázar]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Camacho-Ibar]]></surname>
<given-names><![CDATA[VF]]></given-names>
</name>
<name>
<surname><![CDATA[Querin]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Solidoro]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hydrodynamic properties of San Quintin Bay, Baja California: Merging models and observations]]></article-title>
<source><![CDATA[Mar. Pollut. Bull.]]></source>
<year>2016</year>
<volume>108</volume>
<numero>1-2</numero>
<issue>1-2</issue>
<page-range>203-14</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moriarty]]></surname>
<given-names><![CDATA[DJW]]></given-names>
</name>
<name>
<surname><![CDATA[Iverson]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[Pollard]]></surname>
<given-names><![CDATA[PC.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Exudation of organic carbon by the seagrass Halodule wrightii Aschers. And its effect on bacterial growth in the sediment]]></article-title>
<source><![CDATA[J. Exp. Mar. Biol. Ecol.]]></source>
<year>1986</year>
<volume>96</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>115-26</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nagel]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nitrogen fixation in benthic microalgal mats: An important, internal source of &#8220;new&#8221; nitrogen to benthic communities in Florida Bay]]></source>
<year>2004</year>
<page-range>103</page-range><publisher-loc><![CDATA[USA ]]></publisher-loc>
<publisher-name><![CDATA[University of Maryland]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Newell]]></surname>
<given-names><![CDATA[RIE]]></given-names>
</name>
<name>
<surname><![CDATA[Cornwell]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Owens]]></surname>
<given-names><![CDATA[MS.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of simulated bivalve biodeposition and microphytobenthos on sediment nitrogen dynamics: A laboratory study]]></article-title>
<source><![CDATA[Limnol. Oceanogr.]]></source>
<year>2002</year>
<volume>47</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>1367-79</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Newell]]></surname>
<given-names><![CDATA[RIE]]></given-names>
</name>
<name>
<surname><![CDATA[Fisher]]></surname>
<given-names><![CDATA[TR]]></given-names>
</name>
<name>
<surname><![CDATA[Holyoke]]></surname>
<given-names><![CDATA[RR]]></given-names>
</name>
<name>
<surname><![CDATA[Cornwell]]></surname>
<given-names><![CDATA[JC.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of eastern oysters on nitrogen and phosphorus regeneration in Chesapeake Bay, USA]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Dame]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Olenin]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[The Comparative Roles of Suspension Feeders in Ecosystems]]></source>
<year>2005</year>
<page-range>93-120</page-range><publisher-loc><![CDATA[Netherlands ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Newell]]></surname>
<given-names><![CDATA[SE]]></given-names>
</name>
<name>
<surname><![CDATA[Pritchard]]></surname>
<given-names><![CDATA[KR]]></given-names>
</name>
<name>
<surname><![CDATA[Foster]]></surname>
<given-names><![CDATA[SQ]]></given-names>
</name>
<name>
<surname><![CDATA[Fulweiler]]></surname>
<given-names><![CDATA[RF.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Molecular evidence for sediment nitrogen fixation in a temperate New England estuary]]></article-title>
<source><![CDATA[PeerJ]]></source>
<year>2016</year>
<volume>4</volume>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[O&#8217;Donohue]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
<name>
<surname><![CDATA[Moriarty]]></surname>
<given-names><![CDATA[DJW]]></given-names>
</name>
<name>
<surname><![CDATA[Mac Rae]]></surname>
<given-names><![CDATA[IC.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nitrogen fixation in sediments and the rhizosphere of the seagrass Zostera capricorni]]></article-title>
<source><![CDATA[Microb. Ecol.]]></source>
<year>1991</year>
<volume>22</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>53-64</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Reynolds]]></surname>
<given-names><![CDATA[LK]]></given-names>
</name>
<name>
<surname><![CDATA[Marino]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Muth]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
<name>
<surname><![CDATA[McLenaghan]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Hayn]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Tyler]]></surname>
<given-names><![CDATA[AC]]></given-names>
</name>
<name>
<surname><![CDATA[McGlathery]]></surname>
<given-names><![CDATA[KJ]]></given-names>
</name>
<name>
<surname><![CDATA[Howarth]]></surname>
<given-names><![CDATA[RW.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evidence of grazer control on nitrogen fixation by eelgrass epiphytes in a temperate coastal bay]]></article-title>
<source><![CDATA[Mar. Ecol. Prog. Ser.]]></source>
<year>2015</year>
<volume>526</volume>
<page-range>11-9</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Russell]]></surname>
<given-names><![CDATA[DG]]></given-names>
</name>
<name>
<surname><![CDATA[Warry]]></surname>
<given-names><![CDATA[FY]]></given-names>
</name>
<name>
<surname><![CDATA[Cook]]></surname>
<given-names><![CDATA[PLM.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The balance between nitrogen fixation and denitrification on vegetated and non-vegetated intertidal sediments]]></article-title>
<source><![CDATA[Limnol. Oceanogr.]]></source>
<year>2016</year>
<volume>61</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>2058-75</page-range></nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sandoval-Gil]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Alexandre]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Camacho-Ibar]]></surname>
<given-names><![CDATA[VF.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nitrogen uptake and internal recycling in Zostera marina exposed to oyster farming: Eelgrass potential as a natural biofilter]]></article-title>
<source><![CDATA[Estuaries Coasts]]></source>
<year>2016</year>
<volume>39</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1694-708</page-range></nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sandoval-Gil]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Camacho-Ibar]]></surname>
<given-names><![CDATA[VF]]></given-names>
</name>
<name>
<surname><![CDATA[Ávila-López]]></surname>
<given-names><![CDATA[M C del]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-López]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Zertuche-González]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Cabello-Pasini]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Dissolved inorganic nitrogen uptake kinetics and &#948;15N of Zostera marina L. (eelgrass) in a coastal lagoon with oyster aquaculture and upwelling influence]]></article-title>
<source><![CDATA[J. Exp. Mar. Biol. Ecol.]]></source>
<year>2015</year>
<page-range>1-13</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sarmiento]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Gruber]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ocean Biogeochemical Dynamics]]></source>
<year>2006</year>
<page-range>503</page-range><publisher-loc><![CDATA[Princeton, NJ, USA ]]></publisher-loc>
<publisher-name><![CDATA[Princeton University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Severin]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Stal]]></surname>
<given-names><![CDATA[LJ.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Light dependency of nitrogen fixation in a coastal cyanobacterial mat]]></article-title>
<source><![CDATA[ISME J.]]></source>
<year>2008</year>
<volume>2</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>1077-88</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Severin]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Stal]]></surname>
<given-names><![CDATA[LJ.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Spatial and temporal variability in nitrogenase activity and diazotrophic community composition in coastal microbial mats]]></article-title>
<source><![CDATA[Mar. Ecol. Prog. Ser.]]></source>
<year>2010</year>
<volume>417</volume>
<page-range>13-25</page-range></nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sharp]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
</person-group>
<source><![CDATA[Principles of Stable Isotope Geochemistry]]></source>
<year>2007</year>
<edition>1st</edition>
<publisher-loc><![CDATA[USA ]]></publisher-loc>
<publisher-name><![CDATA[Pearson Prentice Hall]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Udy]]></surname>
<given-names><![CDATA[JW]]></given-names>
</name>
<name>
<surname><![CDATA[Dennison]]></surname>
<given-names><![CDATA[WC]]></given-names>
</name>
<name>
<surname><![CDATA[Lee Long]]></surname>
<given-names><![CDATA[WJ]]></given-names>
</name>
<name>
<surname><![CDATA[McKenzie]]></surname>
<given-names><![CDATA[LJ.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Responses of seagrass to nutrients in the Great Barrier Reef, Australia]]></article-title>
<source><![CDATA[Mar. Ecol. Prog. Ser.]]></source>
<year>1999</year>
<volume>185</volume>
<page-range>257-71</page-range></nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ward]]></surname>
<given-names><![CDATA[DH]]></given-names>
</name>
<name>
<surname><![CDATA[Morton]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Tibbitts]]></surname>
<given-names><![CDATA[TL]]></given-names>
</name>
<name>
<surname><![CDATA[Douglas]]></surname>
<given-names><![CDATA[DC]]></given-names>
</name>
<name>
<surname><![CDATA[Carrera-González]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Long-term change in eelgrass distribution at Bahía San Quintín, Baja California, Mexico, using satellite imagery]]></article-title>
<source><![CDATA[Estuaries]]></source>
<year>2003</year>
<volume>26</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1529-39</page-range></nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Welsh]]></surname>
<given-names><![CDATA[DT.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nitrogen fixation in seagrass meadows: Regulation, plant-bacteria interactions and significance to primary productivity]]></article-title>
<source><![CDATA[Ecol. Lett.]]></source>
<year>2000</year>
<volume>3</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>58-71</page-range></nlm-citation>
</ref>
<ref id="B47">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Welsh]]></surname>
<given-names><![CDATA[DT]]></given-names>
</name>
<name>
<surname><![CDATA[Bourgues]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Wit]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Herbert]]></surname>
<given-names><![CDATA[RA.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Seasonal variations in nitrogen -fixation (acetylene reduction) and sulphate-reduction rates in the rhizosphere of Zostera noltii: Nitrogen fixation by sulphate-reducing bacteria]]></article-title>
<source><![CDATA[Mar. Biol.]]></source>
<year>1996</year>
<page-range>619-28</page-range></nlm-citation>
</ref>
<ref id="B48">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Welsh]]></surname>
<given-names><![CDATA[DT]]></given-names>
</name>
<name>
<surname><![CDATA[Wellsbury]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Bourgues]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Wit]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Herbert]]></surname>
<given-names><![CDATA[RA.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Relationship between porewater organic carbon content, sulphate reduction and nitrogen fixation (acetylene reduction) in the rhizosphere of Zostera noltii]]></article-title>
<source><![CDATA[Hydrobiologia]]></source>
<year>1996</year>
<volume>329</volume>
<page-range>175-83</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
