查询词典 index forest

Thus, this indicates that NDWI is a useful vegetation index for estimating forest fire potential in the Atlantic region.

因此，这表明NDWI是在大西洋地区的潜在有用的森林火灾指数。

In that region, the compositive index of forest biodiversity is 66.8 and the assessment result is medium grade.

对汪清林业局测试表明，森林生物多样性综合指标值为66.8，评价结果为中等。

Poplaris a major timber species in north China. It is more important to make the site index table in forest management.

山杨是华北地区主要用材树种之一，因此，对于营林工作，编制该树种的地位指数表是一项很重要的基础性工作。

The vegetation index of cropland to forest in area scale is less than that in catchment scale, but it has more variance.

结果表明：区域尺度退耕地的植被指数小于流域尺度，但具有更大的变异性。

Sustainable management ; health assessment of regional forest resource ; index system

可持续经营；森林资源健康评价；指标体系

The FPI is a dynamic Forest Fire Potential Index based on fuel characteristics and moisture status.

该指数从1998年由布尔甘提出并在2001年由欧洲的塞巴斯蒂安实际应用的潜在火险指数FPI发展而来。

Lakeside zone ; land use change ; landscape pattern index ; stone forest

湖滨带；土地利用变化；景观格局指数；石林

Therefore,enzyme activities,especially peroxidase and sucrase activities,could be regard as an index of bamboo forest deterioration.

土壤生物学性质特别是过氧化氢酶和蔗糖酶活性可作为竹林退化指标。表6参7

Abundance index and other indicators of forest Mangdangshan Mountain Nature Reserve, and a comparative analysis of species diversity.

福建南平茫荡山与万木林森林群落物种多样性比较分析摘要本文以物种多样性指数、均匀度、丰富度指数等指标对茫荡山与万木林自然保护区的群落物种多样性进行比较分析。

Considered forest landscape diversity index as a regionalized variables, it is carried out exploratory study of spatial heterogeneity and the scale effect by geostatistical methods, which has certain theoretical and practical significance.

3选择森林景观多样性指数作为区域化变量，引入地统计学方法对空间异质性及尺度效应进行探索性研究方面具有一定理论和实践意义。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。