相关实验视频

Updated: Jul 8, 2025

Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach

Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach

Published on: July 3, 2020

使用生长模型评估亚马逊清水泛滥平原森林中木材资源管理潜力

Maíra Luciana Guimarães Conde¹, Maria Teresa Fernandez Piedade², Florian Wittmann³

¹Postgraduate Program in Tropical Forest Science, National Institute of Amazon Research (INPA), Manaus, Amazonas, Brazil; Ecology, Monitoring and Sustainable Use of Wetlands Research Group (MAUA), National Institute of Amazon Research (INPA), Manaus, Amazonas, Brazil.

Journal of environmental management

|December 19, 2023

概括

在亚马逊清水泛滥平原,可持续的木材管理是可能的,物种特定的最低伐木直径 (MLD) 和伐木周期 (FC) 与现行法规不同. 这项研究支持为当地社区创造收入和保护生态系统.

科学领域:

生态生态学生态生态学
林业林业林业林业林业
保护生物学保护生物学

背景情况:

亚马逊清水伊加波斯是研究不足的泛滥平原森林,面临土地利用和气候变化威胁.
它们独特的水化学和地质条件不同于白水和黑水系统.
之前在Várzea确定了木材管理潜力,但没有清水igapós.

研究的目的:

评估亚马逊清水域木材资源的可持续管理潜力.
为了建模特定物种的最低砍伐直径 (MLD) 和砍伐周期 (FC).
在这些脆弱的生态系统中提供数据,用于明智的森林管理实践.

主要方法:

模拟了八种可销售物种的树木生长 (直径,高度,体积) 使用树木环.
在以增长为导向的记录 (GOL) 框架内应用非线性混合效应回归.
在布兰科河和塔帕乔斯河的清水igapós中获得了特定物种的MLD和FC.

主要成果:

MLDs从36到90厘米不等,FCs从6到21岁不等.
这些值与目前的巴西伐木法规有很大差异 (MLD:50厘米;FC:2535年).
这些发现表明适应木材资源管理的潜力.

结论:

清水伊加波斯 (Clearwater igapós) 具有可持续木材管理的潜力,需要适应的MLD和FC.
对于传统社区,建议在保护区内进行小规模的综合管理.
这种方法可以提高当地收入,促进生态系统的保护.

关键词:

布兰科河是布兰科河的一条河流.采伐周期的采伐周期生长环生长环的成长环最小的日志记录直径.塔帕戈斯河是塔帕戈斯河的一条河流.木材资源是木材资源的重要组成部分.

更多相关视频

Watershed Planning within a Quantitative Scenario Analysis Framework

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

A Simple Planting Technique for Re-establishing Trees Where Frequent Inundation Occurs

A Simple Planting Technique for Re-establishing Trees Where Frequent Inundation Occurs

Published on: January 26, 2018

相关概念视频

Adaptations that Reduce Water Loss

Adaptations that Reduce Water Loss

Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.

Responses to Drought and Flooding

Responses to Drought and Flooding

Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.