%0 Journal Article %T COMPARISON OF ECOLOGICAL ENTROPY WITH RANDOM AND SYSTEMATIC SAMPLING
随机与系统取样的生态学信息量比较 %A Yu Shixiao %A Zong Guowei %A Chen Zhaoying %A Zang Runguo %A Yang Yingcheng %A
余世孝 %A 宗国威 %A 陈兆莹 %A 臧润国 %A 杨应承 %J 植物生态学报 %D 1998 %I Editorial Office of Chinese Journal of Plant Ecology %X Permanent plots of the tropical montane rain forest located at Bawangling nature reserve,Hainan island,were established.With the aids of geographic information system,various random and systematic sampling schemes within the permanent plots were simulated.Variation of species richness,species density and species importance value with sampling area were used to compare the ecological entropy between random and systematic sampling.The results indicate that ecological entropy with random sampling was higher than that with systematic sampling while sampling area was less than the minimum sampling area of the community. %K Tropical montane rain forest %K Sampling technique %K Geographic information system %K Computer simulation
热带山地雨林 %K 取样技术 %K 地理信息系统 %K 计 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=2F2173CCFF292BF447DC2681EA33BBAE&aid=91DA1D5EFEC547FC&yid=8CAA3A429E3EA654&vid=BC12EA701C895178&iid=94C357A881DFC066&sid=8143FF92EEF26F96&eid=03436AC72A659ACA&journal_id=1005-264X&journal_name=植物生态学报&referenced_num=15&reference_num=6