A jellyfish diet for the herbivorous green turtle Chelonia mydas in the temperate SW Atlantic

Victoria Gonzalez Carman; Florencia Botto; Esteban Gaitan; Diego Albareda; Claudio Campagna; Hermes Mianzan

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A jellyfish diet for the herbivorous green turtle Chelonia mydas in the temperate SW Atlantic

机译：温带西南大西洋的草食性绿海龟Chelonia mydas的水母饮食

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Feeding ecology of juvenile green turtles (Chelonia mydas) was studied from 2008 to 2011 at Sambo-rombon Bay (35°30′-36°30′S, Argentina), combining data on digestive tract examination and stable isotope analysis through a Bayesian mixing model. We found that animal matter, in particular gelatinous plankton, was consumed in large proportions compared to herbivorous food items such as terrestrial piants and macroalgae. This diet is facilitated by the high abundance of gelatinous plankton in the region, thus confirming the adaptive foraging behaviour of the juveniles according to prey abundance in the SW Atlantic. To our knowledge, this is the first study to employ this combination of techniques and to conclusively demonstrate that animal matter, in particular gelatinous plankton, is important in the diet of the neritic green sea turtles.

机译：研究了2008年至2011年在Sambo-rombon湾（35°30′-36°30′S，阿根廷）的幼绿海龟（Chelonia mydas）的摄食生态，结合了消化道检查数据和通过贝叶斯混合进行的稳定同位素分析模型。我们发现，与草食性食物（例如陆生和大型藻类）相比，动物性食物（尤其是凝胶状浮游生物）的消耗量很大。该地区富含胶质浮游生物，促进了这种饮食，从而证实了根据西南大西洋猎物的丰富度，幼鱼的适应性觅食行为。据我们所知，这是第一项采用这种技术组合并最终证明动物性物质，特别是凝胶状浮游生物，在浅绿色海龟的饮食中很重要的研究。

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《Marine biology》 |2014年第2期|339-349|共11页
作者
Victoria Gonzalez Carman; Florencia Botto; Esteban Gaitan; Diego Albareda; Claudio Campagna; Hermes Mianzan;
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Instituto Nacional de Investigacion y Desarrollo Pesquero (INIDEP), Paseo Victoria Ocampo s, B7602HSA Mar del Plata, Argentina,Instituto de Investigaciones Marinas y Costeras (IIMyC) - CONICET, Mar del Plata, Argentina,Aquamarina, PRICTMA, Buenos Aires, Argentina;

CONICET and Laboratorio de Ecologia, Universidad Nacional de Mar del Plata, Dean Funes 3350, B7602AYL Mar del Plata, Argentina;

Instituto Nacional de Investigacion y Desarrollo Pesquero (INIDEP), Paseo Victoria Ocampo s, B7602HSA Mar del Plata, Argentina;

Aquamarina, PRICTMA, Buenos Aires, Argentina,Jardin Zoologico de Buenos Aires, Rep. de la India 3000, C1425ATQ Ciudad Autonoma de Buenos Aires, Argentina;

CONICET and Wildlife Conservation Society, Amenabar 1595, C1426AJZ Ciudad Autonoma de Buenos Aires, Argentina;

Instituto Nacional de Investigaci6n y Desarrollo Pesquero (INIDEP), Paseo Victoria Ocampo s, B7602HSA Mar del Plata, Argentina,Instituto de Investigaciones Marinas y Costeras (IIMyC) - CONICET, Mar del Plata, Argentina;

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A jellyfish diet for the herbivorous green turtle Chelonia mydas in the temperate SW Atlantic

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