根据生物量计算的朝鲜松原始阔叶林群落最小面积

IF 3.4 2区 农林科学 Q1 FORESTRY Journal of Forestry Research Pub Date : 2024-09-11 DOI:10.1007/s11676-024-01758-y
Huibin Yang, Qingxi Guo
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引用次数: 0

摘要

本研究以黑龙江省 1 至 10.4 公顷的 9 个朝鲜松原始阔叶林地块的调查数据为基础,利用移动窗口法和 GIS 技术分析了各地块森林生物量空间分布格局的变化特征。探索了能够反映原始朝鲜松阔叶林结构和功能特征的最小面积,并利用计算机模拟随机抽样方法验证了最小面积的准确性。结果表明(1)通过对 10-100 米不同尺度地块生物量偏差空间分布栅格图的分析,原始朝鲜阔叶松林生物量密度变化临界范围存在一个最小面积(0.64 公顷)。这个以生物量密度为基础的最小面积可以间接反映原始阔叶朝鲜松林群落的单位面积生产力水平、结构、功能和环境质量等综合特征。(2)利用计算机模拟随机取样发现,只有在大于或等于最小面积的特定小区中取样,才能取得与小区内随机取样相同或相似的结果,说明移动窗口法确定的最小面积是准确的。(3)本文确定的最小面积是反映群落结构复杂程度的一个很好的指标,可用于比较外来干扰前后群落结构和功能的变化,具有很好的评价效果。该最小面积也可作为该地区朝鲜松阔叶林调查监测工作中科学合理设置小区面积的依据,从而达到提高工作效率、节约工作成本的目的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Minimum area of primitive broad-leaved Korean pine forest community based on biomass

Based on the survey data of nine primitive broad-leaved Korean pine forest plots ranging from 1 to 10.4 ha in Heilongjiang Province, this study used the moving window method and GIS technology to analyze the variation characteristics of the spatial distribution pattern of forest biomass in each plot. We explored the minimum area that can reflect the structural and functional characteristics of the primitive broad-leaved Korean pine forest, and used computer simulation random sampling method to verify the accuracy of the minimum area. The results showed that: (1) Through the analysis of the spatial distribution raster map of biomass deviation in the plots at various scales of 10 − 100 m, there is a minimum area (0.64 ha) for the critical range of biomass density variation in the primitive broad-leaved Korean pine forest. This minimum area based on biomass density can indirectly reflect the comprehensive characteristics of productivity level per unit area, structure, function, and environmental quality of the primitive broad-leaved Korean pine forest community. (2) Using computer simulation random sampling, it was found that only by sampling in a specific plot larger than or equal to the minimum area can equivalent or similar results be achieved as random sampling within the plot, indicating that the minimum area determined by the moving window method is accurate. (3) The minimum area determined in this paper is an excellent indicator reflecting the complexity of community structure, which can be used for comparing changes in community structure and function before and after external disturbances, and has a good evaluation effect. This minimum area can also be used as a basis for scientific and reasonable setting of plot size in the investigation and monitoring work of broad-leaved Korean pine forests in this region, thereby achieving the goals of improving work efficiency and saving work costs.

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来源期刊
CiteScore
7.30
自引率
3.30%
发文量
2538
期刊介绍: The Journal of Forestry Research (JFR), founded in 1990, is a peer-reviewed quarterly journal in English. JFR has rapidly emerged as an international journal published by Northeast Forestry University and Ecological Society of China in collaboration with Springer Verlag. The journal publishes scientific articles related to forestry for a broad range of international scientists, forest managers and practitioners.The scope of the journal covers the following five thematic categories and 20 subjects: Basic Science of Forestry, Forest biometrics, Forest soils, Forest hydrology, Tree physiology, Forest biomass, carbon, and bioenergy, Forest biotechnology and molecular biology, Forest Ecology, Forest ecology, Forest ecological services, Restoration ecology, Forest adaptation to climate change, Wildlife ecology and management, Silviculture and Forest Management, Forest genetics and tree breeding, Silviculture, Forest RS, GIS, and modeling, Forest management, Forest Protection, Forest entomology and pathology, Forest fire, Forest resources conservation, Forest health monitoring and assessment, Wood Science and Technology, Wood Science and Technology.
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