Composition, diversity, and spatial relationships of anurans following wetland restoration in a managed tropical forest

Ya-Fu Lee, Yen Min Kuo, Yu Hsiu Lin, Wen Chen Chu, Hsiang Hua Wang, Shu Hui Wu

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

We investigated the composition, diversity, and patterns of spatial use of an anuran community following a wetland restoration project in a managed tropical monsoon forest in southern Taiwan. Anurans comprising eight species in seven genera and four families reached a mean density of 0.025±0.004 anurans m-2 within a year. The three most important species in terms of frequency of occurrence and relative abundance all had an early appearance; only the most abundant Fejervarya limnocharis (62.2% of total accounts), however, remained present throughout the entire year. The distribution of anurans observed among habitat zones was non-random, with most records occurring in densely planted (42.8%) and running-water (23.9%) zones, and the fewest in a buffer zone adjacent to a paved road. Mean numbers of anurans were correlated with the mean percent vegetation cover among individually divided small pools. Microhyla ornate, M. heymonsi, Polypedates megacephalus, and F. limnocharis appeared to be more heterogeneous in their use of space than Buergeria japonicus. Species differed in their most frequently used habitat zones within the wetland site, with the pairs F. limnocharis and P. megacephalus, and M. ornate and Bufo melanostictus, exhibiting similar respective distributions among zones. Our study demonstrates the value of even a small, isolated wetland in contributing to and maintaining regional amphibian diversity. Patterns of spatial relationships of this anuran community have important implications for the conservation of local populations across species.

Original languageEnglish
Pages (from-to)883-891
Number of pages9
JournalZoological Science
Volume23
Issue number10
DOIs
Publication statusPublished - 2006 Oct 1

All Science Journal Classification (ASJC) codes

  • Animal Science and Zoology

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