<?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>S0185-38802015000200169</article-id>
<article-id pub-id-type="doi">10.7773/cm.v41i2.2483</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Nutrient input from the Colorado River to the northern Gulf of California is not required to maintain a productive pelagic ecosystem]]></article-title>
<article-title xml:lang="es"><![CDATA[El aporte de nutrientes del río Colorado al norte del golfo de California no se requiere para mantener un ecosistema pelágico productivo]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-León]]></surname>
<given-names><![CDATA[Mario Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez-Borrego]]></surname>
<given-names><![CDATA[Saúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Turrent Thompson]]></surname>
<given-names><![CDATA[Cuauhtémoc]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gaxiola Castro]]></surname>
<given-names><![CDATA[Gilberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Heckel Dziendzielewski]]></surname>
<given-names><![CDATA[Gisela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro de Investigación Científica y de Educación Superior de Ensenada Departamento de Ecología Marina ]]></institution>
<addr-line><![CDATA[Ensenada Baja California]]></addr-line>
<country>MX</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro de Investigación Científica y de Educación Superior de Ensenada Departamento de Oceanografía Física ]]></institution>
<addr-line><![CDATA[Ensenada Baja California]]></addr-line>
<country>MX</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro de Investigación Científica y de Educación Superior de Ensenada Departamento de Oceanografía Biológica ]]></institution>
<addr-line><![CDATA[Ensenada Baja California]]></addr-line>
<country>MX</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Centro de Investigación Científica y de Educación Superior de Ensenada Departamento de Biología de la Conservación ]]></institution>
<addr-line><![CDATA[Ensenada Baja California]]></addr-line>
<country>MX</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2015</year>
</pub-date>
<volume>41</volume>
<numero>2</numero>
<fpage>169</fpage>
<lpage>188</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-38802015000200169&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-38802015000200169&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-38802015000200169&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[The high phytoplankton production (PP) of the northern Gulf of California (NGC) supports a rich biodiversity and fisheries with high yields. The NGC is the habitat of the vaquita (Phocoena sinus), the cetacean most at risk of extinction in the world. The objective of this study is to demonstrate that the NGC is a healthy system at the level of primary producers despite the lack of nutrient input from the Colorado River, and that the small size of the vaquita population is not attributable the collapse of its pelagic ecosystem. Information derived from satellite sensors (CZCS, SeaWiFS, and Aqua-MODIS) was used to explore the possibility of a negative tendency in phytoplankton biomass and PP in the NGC during the last ~35 years. Temporal and spatial variations in sea surface temperature (SSTsat), chlorophyll concentration (Chlsat), and PP were analyzed. Times series were generated for four coastal quadrants, two in the western part and two in the eastern part of the NGC. The NW quadrant covers the vaquita habitat, and it had higher Chlsat and PP values than the others. This may be due to advection of turbid Upper Gulf waters into the NW quadrant. Semiannual and interannual changes in Chlsat and PP occurred, but the seasonal signal was dominant in the whole region. SSTsat maxima occurred in August and September (30-31 °C) and minima in January and February (16-17 °C). Chlsat andPP maxima were recorded in March and April (2-3 mg m-3, 2-3 g C m-2 day-1, respectively) and minima in August and September (0.2-0.9 mg m-3, 0.5-1.1 g C m-2 day-1, respectively). These values indicate that the pelagic ecosystem of the NGC is very productive (mesotrophic in summer-autumn and eutrophic in winter-spring).]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[La alta producción fitoplanctónica (PF) del norte del golfo de California (NGC) sustenta una gran biodiversidad y pesquerías con capturas elevadas. El NGC es el hábitat de la vaquita (Phocoena sinus), el cetáceo que se encuentra en mayor peligro de extinción en el mundo. El objetivo de este estudio es demostrar que el NGC es un sistema sano en el ámbito de los productores primarios a pesar de la falta del aporte de nutrientes del río Colorado, y que el tamaño pequeño de la población de la vaquita no se debe al colapso de su ecosistema pelágico. Se utilizó información satelital (CZCS, SeaWiFS y Aqua-MODIS) con el propósito de explorar la posibilidad de una tendencia negativa de la biomasa y producción fitoplanctónicas en el NGC en los últimos ~35 años. Se analizó la variación espaciotemporal de la temperatura superficial del mar (TSMsat), la concentración de clorofila (Chlsat) y PF. Se generaron series de tiempo para cuatro cuadrantes, dos en la parte occidental y dos en la parte oriental del NGC. El cuadrante noroccidental abarca el hábitat de la vaquita y presentó valores de Chlsat y PF más altos que el resto de los cuadrantes. Esto puede deberse a la advección de aguas turbias del Alto Golfo hacia el cuadrante noroccidental. Se observaron cambios semianuales e interanuales de Chlsat y PF, pero los estacionales fueron dominantes en las cuatro localidades. Los máximos de TSMsat se registraron en agosto y septiembre (30-31 °C) y los mínimos en enero y febrero (16-17 °C). Los máximos de Chlsat y PF se registraron en marzo y abril (2-3 mg m-3, 2-3 g C m-2 día-1, respectivamente) y los mínimos en agosto y septiembre (0.2-0.9 mg m-3, 0.5-1.1 g C m-2 día-1, respectivamente). Estos valores de Chlsat y PF indican que el NGC es muy productivo (mesotrófico en verano-otoño y eutrófico en invierno-primavera).]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[phytoplankton biomass]]></kwd>
<kwd lng="en"><![CDATA[primary production]]></kwd>
<kwd lng="en"><![CDATA[northern Gulf of California]]></kwd>
<kwd lng="es"><![CDATA[biomasa fitoplanctónica]]></kwd>
<kwd lng="es"><![CDATA[producción primaria]]></kwd>
<kwd lng="es"><![CDATA[norte del golfo de California]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Álvarez-Borrego]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Colorado River estuary and Upper Gulf of California, Baja, Mexico]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Seeliger]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
<name>
<surname><![CDATA[Kjerfve]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<source><![CDATA[Coastal Marine Ecosystems of Latin-America]]></source>
<year>2001</year>
<page-range>331-40</page-range><publisher-loc><![CDATA[Berlin ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Álvarez-Borrego]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Physical and biological linkages between the upper and lower Colorado Delta. Section Ecosystem Problems and Management at the US/Mexican Border]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Rapport]]></surname>
<given-names><![CDATA[DJ]]></given-names>
</name>
<name>
<surname><![CDATA[Lasley]]></surname>
<given-names><![CDATA[WL]]></given-names>
</name>
<name>
<surname><![CDATA[Rolston]]></surname>
<given-names><![CDATA[DE]]></given-names>
</name>
<name>
<surname><![CDATA[Nielsen]]></surname>
<given-names><![CDATA[NO]]></given-names>
</name>
<name>
<surname><![CDATA[Qualset]]></surname>
<given-names><![CDATA[CO]]></given-names>
</name>
<name>
<surname><![CDATA[Damania]]></surname>
<given-names><![CDATA[AB]]></given-names>
</name>
</person-group>
<source><![CDATA[Managing for Healthy Ecosystems]]></source>
<year>2002</year>
<page-range>1077-89</page-range><publisher-loc><![CDATA[Boca Raton ]]></publisher-loc>
<publisher-name><![CDATA[Lewis Publishers]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Photosynthetic parameters of northern Gulf of California phytoplankton]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Álvarez-Borrego]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Gaxiola-Castro]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Cont. Shelf Res.]]></source>
<year>1988</year>
<volume>8</volume>
<page-range>37-47</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Álvarez-Borrego]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Lara-Lara]]></surname>
<given-names><![CDATA[JR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The physical environment and primary productivity of the Gulf of California]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Dauphin]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Simoneit]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<source><![CDATA[The Gulf and Peninsular Province of the Californias]]></source>
<year>1991</year>
<page-range>555-67</page-range><publisher-loc><![CDATA[Tulsa ]]></publisher-loc>
<publisher-name><![CDATA[American Association of Petroleum Geologists]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Opal in Gulf of California sediments as a tool to estimate the vertical component of water exchange between the Gulf and the Pacific Ocean]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Álvarez-Borrego]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Giles-Guzmán]]></surname>
<given-names><![CDATA[AD]]></given-names>
</name>
</person-group>
<source><![CDATA[Bot. Mar.]]></source>
<year>2012</year>
<volume>55</volume>
<page-range>161-8</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Nutrientes en el Golfo de California]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Álvarez-Borrego]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Rivera]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Gaxiola-Castro]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Acosta-Ruíz]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
<name>
<surname><![CDATA[Schwartzlose]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
</person-group>
<source><![CDATA[Cienc. Mar.]]></source>
<year>1978</year>
<volume>5</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>53-71</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Annual and semiannual variations of phytoplankton biomass and production in the central Gulf of California estimated from satellite data]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Álvarez-Molina]]></surname>
<given-names><![CDATA[LL]]></given-names>
</name>
<name>
<surname><![CDATA[Álvarez-Borrego]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Lara-Lara]]></surname>
<given-names><![CDATA[JR]]></given-names>
</name>
<name>
<surname><![CDATA[Marinone- Moscheto]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Cienc. Mar.]]></source>
<year>2013</year>
<volume>39</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>217-30</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Modeling the individual growth of the Gulf corvina, Cynoscion othonopterus (Pisces: Sciaenidae), using a multi-model approach]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aragón-Noriega]]></surname>
<given-names><![CDATA[AE]]></given-names>
</name>
</person-group>
<source><![CDATA[Cienc. Mar.]]></source>
<year>2014</year>
<volume>40</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>149-61</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Does damming of the Colorado River affect the nursery area of blue shrimp Litopenaeus stylirostris (Decapoda: Penaidae) in the Upper Gulf of California?]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aragón-Noriega]]></surname>
<given-names><![CDATA[AE]]></given-names>
</name>
<name>
<surname><![CDATA[Calderón-Aguilera]]></surname>
<given-names><![CDATA[LE]]></given-names>
</name>
</person-group>
<source><![CDATA[Rev. Biol. Trop.]]></source>
<year>2000</year>
<volume>48</volume>
<page-range>867-71</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Coupling of the Gulf of California to large-scale interannual climatic variability]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baumgartner]]></surname>
<given-names><![CDATA[TR]]></given-names>
</name>
<name>
<surname><![CDATA[Christensen]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Mar. Res.]]></source>
<year>1985</year>
<volume>43</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>825-48</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Photosynthetic rates derived from satellite-based chlorophyll concentration]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Behrenfeld]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
<name>
<surname><![CDATA[Falkowski]]></surname>
<given-names><![CDATA[PG]]></given-names>
</name>
</person-group>
<source><![CDATA[Limnol. Oceanogr.]]></source>
<year>1997</year>
<volume>42</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-20</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brusca]]></surname>
<given-names><![CDATA[RC]]></given-names>
</name>
<name>
<surname><![CDATA[Findley]]></surname>
<given-names><![CDATA[LT]]></given-names>
</name>
<name>
<surname><![CDATA[Hastings]]></surname>
<given-names><![CDATA[PA]]></given-names>
</name>
<name>
<surname><![CDATA[Hendrickx]]></surname>
<given-names><![CDATA[ME]]></given-names>
</name>
<name>
<surname><![CDATA[Cosio]]></surname>
<given-names><![CDATA[JT]]></given-names>
</name>
<name>
<surname><![CDATA[Van der Heiden]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Macrofaunal diversity in the Gulf of California]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Cartron]]></surname>
<given-names><![CDATA[JLE]]></given-names>
</name>
<name>
<surname><![CDATA[Ceballos]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Felger]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<source><![CDATA[Biodiversity, Ecosystems, and Conservation in Northern Mexico]]></source>
<year>2005</year>
<page-range>179-203</page-range><publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Oxford University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carvajal]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Robles]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Ezcurra]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ecological conservation in the Gulf of California]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Brusca]]></surname>
<given-names><![CDATA[RC]]></given-names>
</name>
</person-group>
<source><![CDATA[The Gulf of California. Biodiversity and Conservation]]></source>
<year>2010</year>
<page-range>219-50</page-range><publisher-loc><![CDATA[Tucson ]]></publisher-loc>
<publisher-name><![CDATA[University of Arizona Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Euphotic depth, irradiance attenuation and remote sensing K490 in bio-optical provinces of the Gulf of California]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cervantes-Duarte]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Mueller]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Trees]]></surname>
<given-names><![CDATA[CC]]></given-names>
</name>
<name>
<surname><![CDATA[Maske]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Álvarez- Borrego]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Lara-Lara]]></surname>
<given-names><![CDATA[JR]]></given-names>
</name>
</person-group>
<source><![CDATA[Cienc. Mar.]]></source>
<year>2000</year>
<volume>26</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>533-60</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cisneros-Mata]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The importance of fisheries in the Gulf of California and ecosystem-based sustainable co-management for conservation]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Brusca]]></surname>
<given-names><![CDATA[RC]]></given-names>
</name>
</person-group>
<source><![CDATA[The Gulf of California. Biodiversity and Conservation]]></source>
<year>2010</year>
<page-range>119-34</page-range><publisher-loc><![CDATA[Tucson ]]></publisher-loc>
<publisher-name><![CDATA[University of Arizona Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Temporal and spatial variation of sea surface temperature, chlorophyll a , and primary productivity in the Gulf of California]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Escalante]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Valdez-Holguín]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
<name>
<surname><![CDATA[Álvarez-Borrego]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Lara-Lara]]></surname>
<given-names><![CDATA[JR]]></given-names>
</name>
</person-group>
<source><![CDATA[Cienc. Mar.]]></source>
<year>2013</year>
<volume>39</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>203-15</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Penaeid shrimp landings in the upper Gulf of California in relation to Colorado River freshwater discharge]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Galindo-Bect]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
<name>
<surname><![CDATA[Glenn]]></surname>
<given-names><![CDATA[EP]]></given-names>
</name>
<name>
<surname><![CDATA[Page]]></surname>
<given-names><![CDATA[HM]]></given-names>
</name>
<name>
<surname><![CDATA[Fitzsimmons]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Galindo- Bect]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Ayón]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Petty]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[García-Hernández]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Moore]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<source><![CDATA[Fish. Bull.]]></source>
<year>2000</year>
<volume>98</volume>
<page-range>222-5</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Elementos sobre la distribución de turbidez en el Alto Golfo de California]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[García-de-Ballesteros]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Larroque]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[CalCOFI Rep.]]></source>
<year>1976</year>
<volume>18</volume>
<page-range>81-106</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Spatial distribution of chlorophyll a and primary productivity in relation to winter physical structure in the Gulf of California]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gaxiola-Castro]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Garcia-Cordova]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Valdez-Holguin]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
<name>
<surname><![CDATA[Botello- Ruvalcaba]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Cont. Shelf Res.]]></source>
<year>1995</year>
<volume>15</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1043-59</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Distribución horizontal de clorofila a durante la primavera en la parte norte del golfo de California]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gendrop-Funes]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Acosta-Ruiz]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
<name>
<surname><![CDATA[Schwartzlose]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
</person-group>
<source><![CDATA[Cienc. Mar.]]></source>
<year>1978</year>
<volume>5</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>71-89</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Vertical attenuation coefficient of photosynthetically active radiation as a function of chlorophyll concentration and depth in case 1 waters]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Giles-Guzmán]]></surname>
<given-names><![CDATA[AD]]></given-names>
</name>
<name>
<surname><![CDATA[Álvarez-Borrego]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Appl. Opt.]]></source>
<year>2000</year>
<volume>39</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1351-8</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[ENSO influence on satellite- derived chlorophyll trends in the Gulf of California]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Herrera-Cervantes]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Lluch-Cota]]></surname>
<given-names><![CDATA[SE]]></given-names>
</name>
<name>
<surname><![CDATA[Lluch-Cota]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez-de-Velasco]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Lluch-Belda]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<source><![CDATA[Atmósfera]]></source>
<year>2010</year>
<volume>23</volume>
<page-range>253-62</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Chlorophyll profiles and the water column structure in the Gulf of California]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hidalgo-González]]></surname>
<given-names><![CDATA[RM]]></given-names>
</name>
<name>
<surname><![CDATA[Álvarez-Borrego]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Oceanol. Acta]]></source>
<year>2001</year>
<volume>24</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>19-28</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Total and new production in the Gulf of California estimated from ocean color data from the satellite sensor SeaWIFS]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hidalgo-González]]></surname>
<given-names><![CDATA[RM]]></given-names>
</name>
<name>
<surname><![CDATA[Álvarez-Borrego]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Deep-Sea Res.]]></source>
<year>2004</year>
<volume>II</volume>
<numero>51</numero>
<issue>51</issue>
<page-range>739-52</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Ocean-color variability in the Gulf of California: Scales from days to ENSO]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kahru]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Marinone]]></surname>
<given-names><![CDATA[SG]]></given-names>
</name>
<name>
<surname><![CDATA[Lluch-Cota]]></surname>
<given-names><![CDATA[SE]]></given-names>
</name>
<name>
<surname><![CDATA[Parés-Sierra]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Mitchell]]></surname>
<given-names><![CDATA[BG]]></given-names>
</name>
</person-group>
<source><![CDATA[Deep-Sea Res.]]></source>
<year>2004</year>
<volume>51</volume>
<numero>1-3</numero>
<issue>1-3</issue>
<page-range>139-46</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Trends in primary production in the California Current detected with satellite data]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kahru]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Kudela]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Manzano-Sarabia]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Mitchell]]></surname>
<given-names><![CDATA[BG]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Geophys. Res.]]></source>
<year>2009</year>
<volume>114</volume>
<numero>C02004</numero>
<issue>C02004</issue>
<page-range>1-7</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Trends in the surface chlorophyll of the California Current: Merging data from multiple ocean color satellites]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kahru]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Kudela]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Manzano-Sarabia]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Mitchell]]></surname>
<given-names><![CDATA[BG]]></given-names>
</name>
</person-group>
<source><![CDATA[Deep-Sea Res.]]></source>
<year>2012</year>
<volume>II</volume>
<numero>77-80</numero>
<issue>77-80</issue>
<page-range>89-98</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kirk]]></surname>
<given-names><![CDATA[JTO]]></given-names>
</name>
</person-group>
<source><![CDATA[Light and Photosynthesis in Aquatic Ecosystems]]></source>
<year>1994</year>
<publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Cambridge University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[On how the Colorado River affected the hydrography of the Upper Gulf of California]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lavín]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Cont. Shelf Res.]]></source>
<year>1999</year>
<volume>19</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>1545-60</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Lagrangian observations of the circulation in the northern Gulf of California]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lavín]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
<name>
<surname><![CDATA[Durazo]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Palacios]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Argote]]></surname>
<given-names><![CDATA[ML]]></given-names>
</name>
<name>
<surname><![CDATA[Carrillo]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Phys. Oceanogr.]]></source>
<year>1997</year>
<volume>27</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>2298-305</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Coastal upwelling in the eastern Gulf of California]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lluch-Cota]]></surname>
<given-names><![CDATA[SE]]></given-names>
</name>
</person-group>
<source><![CDATA[Oceanol. Acta]]></source>
<year>2000</year>
<volume>23</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>731-40</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nieto-García]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<source><![CDATA[Nutrientes en el norte del golfo de California durante condiciones estuarinas y antiestuarinas]]></source>
<year>1998</year>
<publisher-loc><![CDATA[Baja California ]]></publisher-loc>
<publisher-name><![CDATA[Centro de Investigación Científica y de Educación Superior de Ensenada]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Basin-scale estimates of oceanic primary production by remote sensing: The North Atlantic]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Platt]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Caverhill]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Sathyendranath]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Geophys. Res.]]></source>
<year>1991</year>
<volume>96</volume>
<numero>C8</numero>
<issue>C8</issue>
<page-range>15147-59</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Macrofaunal and isotopic estimates of the former extent of the Colorado River estuary, Upper Gulf of California, Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
<name>
<surname><![CDATA[Flessa]]></surname>
<given-names><![CDATA[KW]]></given-names>
</name>
<name>
<surname><![CDATA[Téllez-Duarte]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Dettman]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
<name>
<surname><![CDATA[Ávila- Serrano]]></surname>
<given-names><![CDATA[GA]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Arid Environ.]]></source>
<year>2001</year>
<volume>49</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>183-93</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Risk factors affecting the vaquita (Phocoena sinus)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rojas-Bracho]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Taylor]]></surname>
<given-names><![CDATA[BL]]></given-names>
</name>
</person-group>
<source><![CDATA[Mar. Mamm. Sci.]]></source>
<year>1999</year>
<volume>15</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>974-89</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Conservation of the vaquita Phocoena sinus]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rojas-Bracho]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Reeves]]></surname>
<given-names><![CDATA[RR]]></given-names>
</name>
<name>
<surname><![CDATA[Jaramillo-Legorreta]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Mamm. Rev.]]></source>
<year>2006</year>
<volume>36</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>179-216</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Román-Rodríguez]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
</person-group>
<source><![CDATA[Estudio poblacional del chano norteño Micropogonias megalops y la curvina golfina Cynoscion othonopterus (Gilbert) (Pisces: Sciaenidae), especies endémicas del Alto Golfo de California, México. Instituto del Medio Ambiente y Desarrollo Sustentable del Estado de Sonora. Hoja de cálculo SNIB-CONABIO proyecto No. L298]]></source>
<year>2000</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[CONABIO]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The 1982-1984 El Niño in the Gulf of California as seen in coastal zone color scanner imagery]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Santamaría-del-Ángel]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Álvarez-Borrego]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Müller-Karger]]></surname>
<given-names><![CDATA[FE]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Geophys. Res.]]></source>
<year>1994</year>
<volume>99</volume>
<numero>C4</numero>
<issue>C4</issue>
<page-range>7423-31</page-range></nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Gulf of California biogeographic regions based on coastal zone color scanner imagery]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Santamaría-del-Angel]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Álvarez-Borrego]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Müller-Karger]]></surname>
<given-names><![CDATA[FE]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Geophys. Res.]]></source>
<year>1994</year>
<volume>99</volume>
<numero>C4</numero>
<issue>C4</issue>
<page-range>7411-21</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Sobre el efecto débil de las surgencias de verano en la biomasa fitoplanctónica del Golfo de California]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Santamaría-del-Ángel]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Álvarez-Borrego]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Millán-Núñez]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Müller-Karger]]></surname>
<given-names><![CDATA[FE]]></given-names>
</name>
</person-group>
<source><![CDATA[Rev. Soc. Mex. Hist. Nat.]]></source>
<year>1999</year>
<volume>49</volume>
<page-range>207-12</page-range></nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Primary productivity in the Gulf of California, calculated from the relationship between superficial irradiance and chlorophyll in the euphotic zone]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valdez-Holguín]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
<name>
<surname><![CDATA[Gaxiola-Castro]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Cervantes-Duarte]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<source><![CDATA[Cienc. Mar.]]></source>
<year>1995</year>
<volume>21</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>311-29</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Seasonal and spatial characterization of the Gulf of California phytoplankton photosynthetic parameters]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valdez-Holguín]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
<name>
<surname><![CDATA[Álvarez-Borrego]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Trees]]></surname>
<given-names><![CDATA[CC]]></given-names>
</name>
</person-group>
<source><![CDATA[Cienc. Mar.]]></source>
<year>1999</year>
<volume>25</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>445-67</page-range></nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The use of the fast Fourier transform for the estimation of power spectra: A method based on time averaging over short, modified periodograms]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Welch]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[IEEE Trans. Audio Electroacoustics]]></source>
<year>1967</year>
<volume>AU-15</volume>
<page-range>70-3</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
