关键词: 海南坡, 食性, 生境

Abstract: 　Eleven months data on food habits of the Hainan eld's deer (Ceryus eldi hainanus)were collected from the Hainan Datian National Nature Raserve，in which thelast group of this deer is distributed in China，A fence was constructed and one square kilometer area was closed before this study was conducted．It provided a good study area for this research．Thirty nine paired plots were sampled with 100 meters interval along tour transect lines about l000 meters(1ong each)to survey the availability of browse species and grazing species．Two hundred and ninty six feeding sites were examined and data about usage for each species and occuring species in all feeding sites were recored． The deer fed on 74 species of plants during study period among them 31 species were shrubs and 43 were herbs．test revealed that the deer strongly selected feeding habitat． They preferred to feed in the tropical grasslands and rain forests．The deer grazed more than browsed．Ferbs，new shoots of grasses made most components of their year ro und diet．An evaluation on the food preference and important values of 26 herb species and 20 browse species on which deer fed more often or preferred were given in this paper．Suggestion on the management of deer s habitat within the Nature Reserve have been mode，too．

Key words: Hainan eld's deer(Cervus eldi hainanus), Habit, Habitat