海口地区犬蝠冬季食性及栖宿地类型

犬蝠(Cynopterus sphinx)是海口地区较为常见的一种果蝠,属于近危兽类。对其生态学研究有助于了解犬蝠在生态系统中的作用,并为野生动物管理提供基础资料。从2005年10月至2006年1月,采用直接观察法、拾遗法、粪便分析法并结合雾网采样法对本地区犬蝠冬季的栖宿地类型及食性进行了研究。结果发现,犬蝠主要栖宿在椰子等棕榈科植物的大型叶片下以及废弃的房屋中;其食物包括9科11种植物的果实、2科2种植物的叶片和1种植物的茎。

Diet and Roost Site of Cynopterus sphinx in Winter in Haikou

Greater Short-nosed Fruit Bat,Cynopterus sphinx is a widely distributed pteropodid bat species in Hainan Island,South China.Ecological study can help us to understand its function and values in ecological system.Field work on diet and roost site of C.sphinx were studied from the early of Octobor,2005 to the end of Janurary,2006 in Haikou.We randomly sampled the roost site in 17 villages once a week and located roost sites when bats were observed,captured or by the existence of feces or food scan around.Fecal samples and food scans were checked to identify the diet.Six roost sites were located during the study.Totally,11 fruits(belonging to 9 families),2 kind of leaves(2 families) and 1 species stem were found in the fecal and food scan samples.