Forest Stands in Phyllitido-Aceretum Community Occurring on Limestone Rocks and Shelves – Comparison of their Structure in Strictly Protected and Managed Forests

IF 0.4 4区 环境科学与生态学 Q4 ECOLOGY Polish Journal of Ecology Pub Date : 2019-09-05 DOI:10.3161/15052249PJE2019.67.2.002
Jakub Baran, J. Bodziarczyk
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引用次数: 3

Abstract

ABSTRACT The aim of the study was to determine the structure of forest stands in rare Phyllitido-Aceretum communities, which grow in extremely harsh conditions – steep limestone slopes and rock shelves. Permanent research plots were established in five well-developed patches of Phyllitido-Aceretum communities from Kraków-Częstochowa Upland (Poland). Two of the plots were located in strictly protected areas of the Ojców National Park, whereas another three were established in the managed forests of Olkusz Forest District. The species composition of the forest stands was determined, including all dead and live trees and their diameters at breast height were measured. Moreover, the horizontal coordinates of each tree were measured to determine the spatial pattern of the trees. Ripley's L function was used for the spatial pattern analysis. The research showed that the patches of Phyllitido-Aceretum communities are characterized by rich species composition of tree layers; nine species were found. There was no significant difference in the species composition between the living and dead trees and the shares of particular species were similar. The density and share of live trees in the phytocoenoses located within the strict protection zone were significantly lower than in managed forests. On the contrary, the same parameters when calculated for dead trees were significantly higher in phytocoenoses located in protected zones than in managed forests. The spatial distribution of the trees in all the analysed plots (except one) displayed a clumped pattern, which is observed in various spatial scales and reflects the habitat mosaics and life strategies of species typical for Phyllitido-Aceretum community.
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灰岩与架上毛竹群落的林分结构——严格保护与管理林区林分结构的比较
摘要:本研究的目的是确定稀有千叶藻群落的林分结构,这些群落生长在极其恶劣的条件下——陡峭的石灰岩斜坡和岩架。在Kraków-CzÉstochowa高地(波兰)五个发育良好的Phyllitido Aceretum群落中建立了永久性研究区。其中两块地位于Ojców国家公园的严格保护区,另外三块地位于Olkusz林区的管理森林中。测定了林分的物种组成,包括所有枯树和活树,并测量了它们的胸径。此外,还测量了每棵树的水平坐标,以确定树的空间模式。空间格局分析采用Ripley的L函数。研究表明,叶斑群落具有层次丰富的物种组成特征;共发现9种。活树和死树的物种组成没有显著差异,特定物种的比例相似。在严格保护区内的植物群落中,活树的密度和比例明显低于管理森林。相反,在对枯树进行计算时,位于保护区的植物群落的相同参数明显高于管理森林。所有分析地块(除一个地块外)中树木的空间分布都呈现出聚集模式,这在不同的空间尺度上都可以观察到,并反映了斑叶藻群落典型物种的栖息地镶嵌和生活策略。
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来源期刊
Polish Journal of Ecology
Polish Journal of Ecology 环境科学-生态学
CiteScore
1.10
自引率
0.00%
发文量
9
审稿时长
18-36 weeks
期刊介绍: POLISH JOURNAL OF ECOLOGY (formerly Ekologia polska) publishes original scientific research papers dealing with all aspects of ecology: both fundamental and applied, physiological ecology, evolutionary ecology, ecology of population, community, ecosystem, landscape as well as global ecology. There is no bias regarding taxons, ecosystems or geographical regions.
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