【摘要】 采用群落学调查方法,研究了南京林业大学校园内森林的组成、分布和结构特征及其变化趋势。结果表明:校园森林植物群落主要有91科、245属、603种(含29变种),12变型种,15栽培变型种。与1952年、1976年和1982年的调查结果相比,植物种类呈逐渐减少的趋势;人工林的植物种类较少,且层次简单;草本植物丰富,物种多样性指数以草本层较高,灌木层次之,乔木层较低,树木径级主要集中在8~24径阶。在此基础上提出校园森林的发展对策:(1)丰富乔木层物种多样性;(2)完善校园绿化主要功能的针对性和整体协调的统一性;(3)提高绿地系统质量,发挥校园绿地系统的生态效益;(4)通过高效优质的管理实现校园森林空间格局的优化与校园周边区域城市森林和谐统一。更多还原

【Abstract】 An investigation of forest communities in various districts was conducted in Nanjing Forestry University.The results revealed that 91 families,245 genuses,603 species were recorded in this area.Compared with the investigation in 1952,1976,1982,the species were decreasing sharply in the campus.There were less species and simple structure in the plantation and the road greenbelt.The species diversity index for different strata of forest in NFU was in the order: herb >shrub>tree.The diameter ranges of the trees were between(8cm) and 24cm.The strategies are proposed as follows:(1) to enrich the(species) diversity;(2) to refine the function of campus forest and integrate the ecosystem;(3) to(exert) the function of the community,keep healthy ecosystem;(4) to make campus forest accord with urban forest to establish a high-qualified manrpement system.更多还原