forest line

Features of space distribution of the forest line and relations between the forest line and climatic limit of permafrost and climatic snowline in China

中国大陆森林线空间分布特征及其与多年冻土线、气候雪线的关系

The altitude of the forest line that is generally marked by the upper limit of the dark coniferous forest zone in the vertical zones of natural vegetation is controlled by the temperatures and their annual range .

在自然植被垂直带谱上一般以暗针叶林带的上限代表森林线，它的海拔高度取决于温度及其年较差。

Timberline higher than the average slope of the southern slope of the North Slope , but the north-south slope gradient changes are ups and downs , the slope of the forest line elevation change and change is not a simple linear law .

林线在北坡的平均坡度高于南坡，但是坡度变化南北坡均是有升有降，林线高程变化与坡度变化不是简单的线性规律。

CALCULATION OF THE DENSITY FOR MIXED FOREST The line density and area density have been counted .

混交林疏密度的计算区的密度。

Implementation of Auto-achieving the Forest Hierarchy Line on the Basis of Arc View

基于Arcview的林业区划界线自动提取实现

In a western style scientist Wolf forest look , line drawing is the outline of a relatively stable style , flat surface without excessive rolling art style .

在西方风格学家沃尔夫林看来，线描是外轮廓较安定的风格，平面是表面无过多起伏的艺术风格。

The coastal sand plant will continue to decline or even disappear , that the coastal protection forest in the first line of defense will disappear .

滨海沙生植物面积将不断减少，甚至消失，即滨海的防护林的第一道防线将消失。

The growing demand for timber has exceeded the forest under the bottom line , improve the operational efficiency of the timber supply chain , reduce the resources in the waste to become one of the most important way to alleviate forest pressure in the timber production process .

日益增长的原木需求量已超出森林的承受底线，提高原木供应链的运作效率，降低原木生产流程中的资源浪费成为缓解森林压力的最主要途径之一。