常绿阔叶林不同植物物种的径级结构与空间关联  

Diameter Class Structure and Spatial Correlation of Different Plant Species in Evergreen Broad-Leaved Forests

作　　者：王丹 陈雅妮 周寒棣 方万力 Wang Dan;Chen Yani;Zhou Handi;Fang Wanli(Longquan Conservation Center of Qianjiangyuan-Baishanzu National Park,Longquan 323700,Zhejiang,China)

机构地区：[1]钱江源-百山祖国家公园龙泉保护中心,浙江龙泉323700

出　　处：《绿色科技》2024年第14期50-53,89,共5页Journal of Green Science and Technology

摘　　要：为系统调查浙江省钱江源-百山祖国家公园百山祖园区龙泉片区典型常绿阔叶林的径级结构与空间关联,在研究区设置长期监测样地进行木本植物个体进行调查,分析了不同物种/类群的空间格局,探讨了不同尺度上的物种关联性。结果表明:调查发现122种植物4917株,优势种为木荷;主要物种的径级结构差异显著,多数呈“L”形分布,部分呈单柱型、间断型和正态型;不同类群径级格局存在差异,优势种和常见种具备良好更新潜力,稀有种以小树为主;优势种、常见种和偶见种普遍聚集分布,稀有种为随机分布。该林分物种多样性水平较高但不同组分差异明显,反映了各自对环境异质性和胁迫的不同响应机制。The diameter class structure and spatial correlation of typical evergreen broad-leaved forest in Longquan area,Baishanzu National Park,Qianjiangyuan-Baishanzu,Zhejiang Province were investigated systematically.Long-term monitoring plots were set up in the study area to investigate woody plant individuals.The spatial pattern of different species/taxa is analyzed,and the species correlation at different scales are explored.The survey identified 4917 individual plants representing 122 species,with Schima superba dominating the flora.The diameter class structures of the primary species exhibit notable differences.Most of them were"L"type distribution,and some were monocolumnar,discontinuous and normal type.Variations exist in the diameter-class level patterns among different species groups,indicating strong regeneration potential for dominant and common species,which are largely comprised of well-represented saplings,whereas rare species primarily consist of small trees.Spatially,dominant,common,and occasional species tend to cluster,whereas rare species show a random distribution pattern.The species diversity level of this stand is high,but different components were significantly different,reflecting their different response mechanisms to environmental heterogeneity and stress.

关 键 词：常绿阔叶林 植物物种 径级结构分析 空间关联 浙江地区 

分 类 号：S718[农业科学—林学]