Ecología trófica de siete especies de batoideos (Batoidea) en el Pacífico Central Mexicano
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| Format: | Artículo científico |
| Sprache: | es |
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Universidad de Valparaíso
2015
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| _version_ | 1876481033168224256 |
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| author | Juan Ramón Flores-Ortega |
| author_facet | Juan Ramón Flores-Ortega |
| contents | Ecología trófica de siete especies de batoideos (Batoidea) en el Pacífico Central Mexicano Juan Ramón Flores-Ortega Enrique Godínez-Domínguez Gaspar González-Sansón Ciencias de la Tierra Batoids feeding ha bits trophic interactions Mexican Central Pacific The stomach contents of 7 batoids species (Narcine entemedar, Narcine vermiculatus, Rhinobatos glaucostigma, Urolophus halleri, Urotrygon munda, Urotrygon rogersi and Zapteryx xyster) captured on the continental shelf of the central Mexican Pacific were analyzed in order to describe the diet composition, feeding strategy and trophic interactions during 2 hydroclimatic periods. In total, 1400 stomachs of 7 batoids species were analyzed and 29 prey items were identified (grouped in food category: shrimp, crabs, peracarids, stomatopods, cephalopods, fish and polychaetes). The main prey items were the shrimps (Ogyrididae, Penaeidae and Processidae), serpulid polychaete (Serpullidae) and portunid crabs (Portunidae). According to Smith's index values, the 7 batoids species were generalist with a broad trophic spectrum. During the warm season the highest values of the diet overlap were recorded, mainly between species of the same family (Narcinidae, Rhinobatidae and Urotrygonidae). This pattern might be associated with the opportunism and preference to consume the most abundant prey, which reduces competence for food when resource is scarce. 2015 artículo científico 0717-3326 https://www.redalyc.org/articulo.oa?id=47943353019 es http://www.redalyc.org/revista.oa?id=479 Revista de Biología Marina y Oceanografía application/pdf Universidad de Valparaíso Revista de Biología Marina y Oceanografía (Chile) Num.3 Vol.50 |
| format | Artículo científico |
| id | redalyc_47943353019 |
| institution | Redalyc |
| language | es |
| publishDate | 2015 |
| publisher | Universidad de Valparaíso |
| spellingShingle | Ecología trófica de siete especies de batoideos (Batoidea) en el Pacífico Central Mexicano Juan Ramón Flores-Ortega Ciencias de la Tierra Batoids feeding ha bits trophic interactions Mexican Central Pacific Ecología trófica de siete especies de batoideos (Batoidea) en el Pacífico Central Mexicano Juan Ramón Flores-Ortega Enrique Godínez-Domínguez Gaspar González-Sansón Ciencias de la Tierra Batoids feeding ha bits trophic interactions Mexican Central Pacific The stomach contents of 7 batoids species (Narcine entemedar, Narcine vermiculatus, Rhinobatos glaucostigma, Urolophus halleri, Urotrygon munda, Urotrygon rogersi and Zapteryx xyster) captured on the continental shelf of the central Mexican Pacific were analyzed in order to describe the diet composition, feeding strategy and trophic interactions during 2 hydroclimatic periods. In total, 1400 stomachs of 7 batoids species were analyzed and 29 prey items were identified (grouped in food category: shrimp, crabs, peracarids, stomatopods, cephalopods, fish and polychaetes). The main prey items were the shrimps (Ogyrididae, Penaeidae and Processidae), serpulid polychaete (Serpullidae) and portunid crabs (Portunidae). According to Smith's index values, the 7 batoids species were generalist with a broad trophic spectrum. During the warm season the highest values of the diet overlap were recorded, mainly between species of the same family (Narcinidae, Rhinobatidae and Urotrygonidae). This pattern might be associated with the opportunism and preference to consume the most abundant prey, which reduces competence for food when resource is scarce. 2015 artículo científico 0717-3326 https://www.redalyc.org/articulo.oa?id=47943353019 es http://www.redalyc.org/revista.oa?id=479 Revista de Biología Marina y Oceanografía application/pdf Universidad de Valparaíso Revista de Biología Marina y Oceanografía (Chile) Num.3 Vol.50 |
| title | Ecología trófica de siete especies de batoideos (Batoidea) en el Pacífico Central Mexicano |
| topic | Ciencias de la Tierra Batoids feeding ha bits trophic interactions Mexican Central Pacific |
| url | https://www.redalyc.org/articulo.oa?id=47943353019 |