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奄美大島住用川河畔のカワウのねぐら下の土壌動物の記録

大庭伸也・井口恵一朗

Abstract / Introduction / Summary:

We preliminary investigated invertebrate animals in soil under nesting site of Phalacrocorax carbo in Amami-Oshima Island, March 2021. Animal abundance was greater under the nesting site soils than non-nesting site soils whereas the diversity was opposite trend. Only three taxonomic groups were observed under the nesting site: Acari, Diptera, and Collembola, with extremely high numbers of dipteran larvae. On the other hand, taxon diversity was high, with nine taxa (Acari, Diptera, Collembola, Araneae, Coleoptera, Nematoda, Oligochaeta, Gammaridea, and Lepidoptera), none of which had extremely high abundances under non-nesting sites.