关键词: 干热河谷, 人工植被, 土壤水环境

Abstract: From May 2000 to November 2003, an investigation was made on the aviandiversity at seven sites on the mangrove wetland of Leizhou Peninsula. A total of 133 species was recorded. The individuals of water birds and migratory birds accounted for 81.7% and 70.4% of the total, respectively. Among the species recorded, nine species were listed in the China Red Data Book of Endangered Animals, two species were listed as vulnerable by IUCN, sixteen species were listed bythe Convention on International Trade in Endangered Species (CITES), twelve species were Chinese National Key Protected species, sixtythree species were listed in the China and Japan Agreement on Conservation of Migratory Birds, and thirtytwo species were listed in the China and Australia Agreement on Conservationof Migratory Birds. The species number of the avian at the seven sites had a greater difference, with the greatest (83) at site Gaoqiao and the least (40) at site Wuli, and the Jaccard’s species similarity among the seven sites was very low. The population amounts of Kentish Plover (Charadrius alexandrinus), Eurasian Curlew (Numenius arquata) and Black-headed Gull (Larus ridibundus)in the Peninsula satisfied the criterion for internationally important wetlands. The numbers of species and individuals were greater in winter than in summer, and there was a significant difference in total avian abundance (P=0.043) and water bird abundance (P=0.001) between these two seasons. For the conservation of avian diversity on the mangrove wetland in Leizhou Peninsula, it’s necessary to protect the whole coastline mangrove wetland in the Peninsula.

Key words: Dry-hot volley, Artificial vegetation, Soil water environment