南京林业大学学报（自然科学版）Issue(z1)：39-46,8.DOI:10.3969/j.issn.1000-2006.2014.S1.009
黄山微毛樱群落主要种群生态位特征
Niche characteristics of dominant population of Cerasus clarofolia community in Huangshan Mountain
摘要
Abstract
The niche breadths and overlaps of 13 dominant populations in tree layer and 16 dominant populations in shrub layer of Cerasus clarofolia community in Huangshan Mountain scenic areas were measured using the formulas de-scribed by Levins, Hurlbert and Horn. The results showed that in the tree layer, niche breadths of C.clarofolia and Sym-plocos paniculata were broader than other species, with Levins( Bi ) and Hurlbert�s ( Ba ) values being 0.942, 0.884 and 0.939, 0.730, respectively, but that of Quercus stewardii, Pinus taiwanensis and Pterostyrax corymbosus were narrower. Forty-seven species counterparts, accounting for 60.3% of the total, had niche overlap values smaller than 0.5;twenty-eight species counterparts, accounting for 35.9%, had niche overlap values larger than 0.5, and 3 species counterparts had no niche overlap. In shrub layer, young tree of S. paniculata, Hydrangea angustipetala and Stephanandra chinensis had broder niche breadths, and their Bi and Ba values were 0.872, 0.862, 0.799, 0.742 and 0.689, 0.587, respective-ly, while Morus australis, Maddenia incisoserrata and Kerria japonica had narrower niche breadths. Sixty-seven species counterparts, accounting for 55.8% of the total, had niche overlap values smaller than 0.5;Forty-eight species counter-parts, accounting for 40.0%, had niche overlap values larger than 0.5, and 5 species counterparts had no niche overlap. Those species with broader niche breadths were dominant or accompanying species, and had high adaptability to commu-nity microclimate characteristics. The niche overlaps among the species with the same or similar environment requirements and similar biological properties were greater, and it is possible for the species with narrower niche breadths to overlap more.关键词
微毛樱群落/生态位宽度/生态位重叠/黄山Key words
Cerasus clarofolia community/niche breadth/niche overlap/Huangshan Mountain分类
农业科技引用本文复制引用
陈志伟,伊贤贵,王贤荣,谢春平,南程慧,汪小飞..黄山微毛樱群落主要种群生态位特征[J].南京林业大学学报（自然科学版）,2014,(z1):39-46,8.基金项目
江苏省科技支撑计划（ BE2012346）；江苏高校优势学科建设工程资助项目 （）
