首页> 外文期刊>Bulletin de la Societe Zoologique de France >COMPORTEMENT ALIMENTAIRE DE CINQ ESPECES D'HOLOTHURIES ASPIDOCHIROTES (HOLOTHUROIDEA : ECHINODERMATA) DE LA PRESQU'ILE DE SIDI-FREDJ (ALGERIE)
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COMPORTEMENT ALIMENTAIRE DE CINQ ESPECES D'HOLOTHURIES ASPIDOCHIROTES (HOLOTHUROIDEA : ECHINODERMATA) DE LA PRESQU'ILE DE SIDI-FREDJ (ALGERIE)

机译:西迪-弗雷杰(阿尔及利亚)总统的五种亚种手足亚种(Holothuroidea:Echinodermata)的食性

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摘要

The feeding behavior of five holothurian species - Holothuria (Holothuria) tubulosa, Holothuria (Lessonothuria) polii, Holothuria (Holothuria) stellati, Holothuria (Panningothuria) forskali and Holothuria (Palatyperona) sanctori - was studied in a shallow water area of the Sidi Fredj peninsula, characterized by more or less degraded Posidonia oceanica meadow. The area covers a surface of 500m~2, with an average depth of 3 m. The morphometric characteristics of the particles ingested by the holothurians and their organic matter and water contents throughout digestive tract, as well as in the preferred biota, were studied. The results obtained illustrate the alimentary specificity of each species: those that ingest coarse and fine sediment [H. (H.) tubulosa, H. (L.) polii and H. (H.) stellati]; and those that select fine to very fine sediment [H. (P.) forskali and H. (P.) sanctori]. Concerning the selectivity of organic matter, H. (P.) forskali is the most selective species followed by H. (P.) sanctori, H. (H.) tubulosa, H. (H.) stellati and H. (L.) polii.
机译:在弗雷迪尼苏拉半岛的一个浅水区研究了五种全人类的摄食行为-Holothuria(Holothuria)tubeulosa,Holothuria(Lessonothuria)polii,Holothuria(Holothuria)stellati,Holothuria(Panningothuria)forskali和Holothuria(Palatyperona)sanctori-在Sidi的浅水区研究,其特征是退化的波西多尼亚海洋草甸。该区域覆盖面积为500m〜2,平均深度为3m。研究了整形人所摄取的颗粒的形态特征及其在整个消化道以及优选生物群中的有机质和水含量。所获得的结果说明了每种物种的营养特异性:那些摄入粗,细沉积物的物种[H。 (H.)tubulosa,H。(L.)polii和H.(H.)stellati];以及选择细到极细沉积物的那些[H. (P.)forskali和H.(P.)sanctori]。关于有机物的选择性,福斯卡利(H.(P.))是最具有选择性的物种,其次是H.(P.)sanctori,H。(H.)tubulosa,H。(H.)stellati和H.(L。 )polii。

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