西班牙中部伊比利亚蟾蜍(Bufo spinosus, Daudin, 1803)的饮食组成

Q3 Agricultural and Biological Sciences

Basic and Applied Herpetology Pub Date : 2018-12-06 DOI:10.11160/BAH.95

Ãlvaro VallvÃ©, I. Sánchez-Iglesias

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引用次数: 2

摘要

我们描述了在西班牙中部的一个地方的伊比利亚普通蟾蜍(Bufo spinosus)的饮食。样本包括在春季和秋季季节迁徙期间在马德里和圣MartÃ-n de la Vega之间的M-301公路上被公路撞死的个体。棘棘小蠊的食性包括多达42个不同分类科的无脊椎动物，其中以棘足科、足足科、棘足科和蚁足科最为丰富。考虑到这些猎物的生物量，除蚁科外，结果一致，其重要性有限(占总生物量的2.63%)。结果表明，无脊椎动物中无机物含量较高(41.4%)。尽管如此，在我们的样本中，Julidae仍然是消耗生物量的主要贡献者(42%)。我们强调了据称难吃的(Lampyridae)和营养不良的物品(植物物质和粪球)的发生。

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Composition of the diet of the Iberian common toad (Bufo spinosus, Daudin, 1803) in central Spain

We describe the diet of the Iberian common toad (Bufo spinosus) in a locality in central Spain. The sample consisted of individuals that were road-killed in road M-301 between Madrid and San MartÃn de la Vega during their seasonal migration events in spring and fall. The diet of B. spinosus comprises up to 42 different taxonomic families of invertebrates, of which Julidae, Carabidae, Staphylinidae, and Formicidae were the most abundant. When considering the biomass of these prey, the results were consistent except for Formicidae, whose importance is limited (2.63% of the total biomass). Biomass estimations for Julidae were compared to empirically obtained data, which showed a high content of inorganic matter (41.4%) in these invertebrates. Nevertheless, Julidae is still the leading contributor in consumed biomass in our samples (42%). We highlight the occurrence of supposedly unpalatable (Lampyridae) and nutritionally poor items (vegetal matter and fecal pellets of lagomorphs).

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来源期刊

Basic and Applied Herpetology Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

1.30

自引率

0.00%

发文量

期刊介绍： Basic and Applied Herpetology (B&AH) is the open access scientific journal of the Spanish (AHE) and Portuguese (APH) Herpetological Societies. B&AH publishes original Research Papers and updated Reviews about especially interesting issues dealing with any aspect of amphibians and reptiles worldwide. Authors can also submit Short Notes if these are organized around hypotheses appropriately argued and analysed quantitatively.