文献类型：期刊文献

英文题名：The Correlation between Biomass of Pinus Massoniana at Different Ages and Soil Microhabitat in Hubei Province, China

作者：Li, Jing[1] Chen, Tian[1] Zhang, Meng[1] Shen, Yafei[1,2] Zeng, Lixiong[1,2] Xiao, Wenfa[1,2] Cheng, Ruimei[1,2]

机构：[1] Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Key Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Beijing, 100091, China; [2] Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, 210037, China

年份：2024

外文期刊名：SSRN

收录：EI(收录号：20240108026)

语种：英文

外文关键词：Biomass - Ecosystems - Enzyme activity - Forestry - Physicochemical properties - Principal component analysis - Regression analysis

摘要：As a key component of forest ecosystems, soil habitat plays an important role in the accumulation of tree biomass. Therefore, it is important to investigate the coupling mechanism between tree biomass and its soil habitat. We established a sample plot and classified all living trees into age classes in a 25-year-old Pinus massoniana plantation forest in Taizishan, Hubei Province, and then measured their biomass. At the same time, we conducted soil sampling and weighted soil physicochemical indicators and enzyme activity indicators using the Soil Quality Index to characterize the soil microhabitat of each standing tree. We used analysis of variance significance, principal component analysis, and regression analysis to explore the differences between the different tree age classes and the soil characteristics in which they were located, and to relate these to the biomass of the different tree ages. Overall, the soil microhabitat quality was in descending order of Class V > Class IV > Class I > Class III > Class II, and the biomass of Pinus massoniana equisetum was significantly and positively correlated with the SQI of the soil in which it was located. Such results suggest that the living standing trees of large-aged Pinus massoniana play a greater role in improving their soil microhabitat and create more opportunities for the survival of small-aged Pinus massoniana. The increasing age of Pinus massoniana contributes to the overall quality of the soil microhabitat, and the improved quality of the soil microhabitat ensures that the trees in the region survive and thrive. ? 2024, The Authors. All rights reserved.