<?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>2007-3364</journal-id>
<journal-title><![CDATA[Therya]]></journal-title>
<abbrev-journal-title><![CDATA[Therya]]></abbrev-journal-title>
<issn>2007-3364</issn>
<publisher>
<publisher-name><![CDATA[Asociación Mexicana de Mastozoología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-33642015000200337</article-id>
<article-id pub-id-type="doi">10.12933/therya-15-270</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Inter-individual association levels correlate to behavioral diversity in coastal bottlenose dolphins ( Tursiops truncatus) from the Southwestern Gulf of Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Las asociaciones entre individuos se correlacionan con la diversidad de las conductas en delfines costeros (Tursiops truncatus) del Sureste del Golfo de México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Vital]]></surname>
<given-names><![CDATA[Marah]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morteo Ortiz]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Serrano]]></surname>
<given-names><![CDATA[Ibiza]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Delgado-Estrella]]></surname>
<given-names><![CDATA[Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bazúa-Durán]]></surname>
<given-names><![CDATA[María del Carmen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Veracruzana Instituto de Ciencias Marinas y Pesquerías ]]></institution>
<addr-line><![CDATA[Boca del Río Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Veracruzana Instituto de Ciencias Marinas y Pesquerías ]]></institution>
<addr-line><![CDATA[Xalapa Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Veracruzana Facultad de Biología ]]></institution>
<addr-line><![CDATA[Xalapa Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma del Carmen Facultad de Ciencias Naturales ]]></institution>
<addr-line><![CDATA[Cd. del Carmen Campeche]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Ciencias ]]></institution>
<addr-line><![CDATA[México D. F.]]></addr-line>
<country>Mexico</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>6</volume>
<numero>2</numero>
<fpage>337</fpage>
<lpage>349</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-33642015000200337&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-33642015000200337&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-33642015000200337&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  INTRODUCTION: Societies in mammal species are influenced by intrinsic and extrinsic factors that affect the temporality of the associations among individuals. Coastal bottlenose dolphins generally live in small fluid aggregations variable in composition, but the nature of their associations is commonly unknown. Our goal was to determine if school size was influenced by dolphins' behavior, and if individuals associated to develop particular activities within the coastal waters of Alvarado, Mexico.  METHODS: In total, 80 boat-based surveys were conducted (2002 - 2003 and 2006 - 2009), where group size, behavior, and photo-identification data were collected. From 237 sightings and 2,021 dolphins the mean school size was 8.5 animals (s. d. = 8.6), but individuals and pairs were observed more frequently (33 %).  RESULTS: Temporal differences in school sizes and behavior conveyed with habitat seasonality (P &lt; 0.05), but were inconsistent across years; thus short-term factors such as marine traffic and fisheries intensity were deemed important. Dolphins were commonly feeding (29 %) corresponding to groups of 4 - 6 animals, whereas solitary individuals typically showed evasion (P &lt; 0.01).  DISCUSSION AND CONCLUSIONS: Association coefficients computed for 89 of the 232 identifiable dolphins proved not random only in 6 % of the 3,915 combinations (P &lt; 0.05), and these coefficients were positively correlated to the diversity of activities developed by each dyad (P &lt; 0.01), thus the nature of their associations in most cases (93 %) became richer with time. The community is likely formed by very small units that frequently exchange members; this may be due to large food availability and low predator abundance in the area, but also to avoid detection and threats posed by local artisanal fisheries.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  INTRODUCCIÓN: Las sociedades en mamíferos están influenciadas por factores intrínsecos y extrínsecos afectando la temporalidad de las asociaciones entre individuos. Los tursiones costeros generalmente viven en agregaciones pequeñas y fluidas de composición variable, pero comúnmente se desconoce la naturaleza de sus asociaciones. Nuestro objetivo fue determinar si el tamaño de grupo se relaciona con el comportamiento de los delfines y si los individuos se asocian para desarrollar actividades particulares en las costas de Alvarado, México.  METODOLOGÍA: Se realizaron 80 navegaciones (2002 - 2003 y 2006 - 2009) para registrar la conducta, el tamaño de grupo y para foto-identificar a los delfines. De 237 avistamientos, con 2,021 delfines observados, se obtuvo un promedio de 8.5 (d. e. = 8.6) animales por grupo, donde las parejas y los individuos fueron más frecuentes (33 %).  RESULTADOS: Las diferencias en tamaño de grupo y comportamiento concordaron con la estacionalidad del hábitat (P &lt; 0.05), siendo inconsistentes entre años, por lo que los factores de corto plazo (i e. tránsito marino e intensidad de pesca) fueron importantes. La alimentación fue común (29 %) y correspondió con grupos de 4 - 6 animales, mientras los individuos solitarios típicamente mostraron evasión (P &lt; 0.01).  DISCUSIÓN Y CONCLUSIONES: Los coeficientes de asociación calculados para 89 de 232 delfines identificables fueron no aleatorios en sólo 6 % de las 3,915 combinaciones (P &lt; 0.05); dichos valores se correlacionaron positivamente con la diversidad de actividades de cada pareja (P &lt; 0.01) y la naturaleza de sus asociaciones se volvió más rica con el tiempo en el 93 % de los casos. Se cree que esta comunidad se compone de pequeñas unidades que intercambian miembros; esto puede deberse a una alta abundancia de alimento y bajo número de depredadores en el área, pero también a una estrategia para evitar la detección y las amenazas derivadas de la pesca artesanal.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Avoidance]]></kwd>
<kwd lng="en"><![CDATA[behavior]]></kwd>
<kwd lng="en"><![CDATA[group size]]></kwd>
<kwd lng="en"><![CDATA[membership]]></kwd>
<kwd lng="en"><![CDATA[socialization]]></kwd>
<kwd lng="en"><![CDATA[fisheries]]></kwd>
<kwd lng="es"><![CDATA[Comportamiento]]></kwd>
<kwd lng="es"><![CDATA[evasión]]></kwd>
<kwd lng="es"><![CDATA[membresía]]></kwd>
<kwd lng="es"><![CDATA[pesquerías]]></kwd>
<kwd lng="es"><![CDATA[socialización]]></kwd>
<kwd lng="es"><![CDATA[tamaño de grupo]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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