查询词典 forests

Dry deciduous forests represent early stages in succession and are replaced by moist deciduous forests away from water courses, which, in turn, are succeeded by tropical semi-evergreen climax forest.

沿着水路，最早出现的是干燥落叶林，后来湿润落叶林就映入眼帘，最后植被又渐渐地被茂密的热带半绿林所代替。

First of all, as the forests disappeared, the propagation decreased, while some kinds of plants and animals were even close to deracination or had already died out. Next, the natural disasters, such as flood, drought, and tornado, etc. broke out more frequently and strongly. Again, without the protection by forests, soil erosion and fertility decline together with other problems appeared. Finally, forest vicissitude also had negative effect to social economy and people's lives.

首先是由于森林面积的减少，导致一些森林动植物的数量减少，濒临灭绝，甚至消失；其次，森林的变迁导致海南岛水灾、旱灾和风灾等自然灾害发生次数增加，强度加大；再次，土地失去森林的保护而引发严重的水土流失和土壤肥力下降等种种问题；最后，森林的变迁还对社会经济及人们的生活产生不利的影响。

It is accomplished through a series of arc-exchang between supporty forests and corresponding complementary supporty forests in digraph.

算法是通过在有向图中的支撑林和相应的补支撑林之间进行一系列弧的交换来完成的。

In relationship with vegetations of Yunnan, the genera of Tropical Asia, Old world tropics and Tropical Asia to Australia distributions occur mainly in the tropical forests in southern Yunnan; the genera of Pantropical and Tropical Asia to Tropical Africa distributions occur mainly in the vegetations on dry and hot valleys; the genera of North temperate distribution occur mainly in forests on mountains with a cold and wet climate, while the genera of East Asian, East Asian and North America disjunct, and Old world temperate distributions occur mainly in the vegetations of the area with a warm climate.

在与云南植被的关系上，热带亚洲分布属、旧世界热带分布属和热带亚洲至热带大洋洲分布属是云南热带森林的主要成分；全热带分布属和热带亚洲至热带非洲分布属是干热河谷植被的主要成分，北温带分布属主要出现在冷湿山地森林植被中，而东亚分布属、东亚和北美洲间断分布属及旧世界温带分布属与温凉气候地区的森林植被联系相对密切。

From 200 to 400 m of the river, the proportion of over-mature forests and effete forests with trees of crown density between 50% and 75% and lower vitality begins to increase.

在200-400m的范围内，疏失度为50%-75%的长势较差的过熟林和衰老林的比例开始增多。

It is found in rain forests, eucalypt forests, and woodlands.

它们主要分布于南美和墨西哥。

Podsol The type of SOIL found under heathland and coniferous forests in temperate and boreal climates where there is heavy rainfall and long cool winters, such as the coniferous forests of northern North America and Eurasia.

灰壤：存在于多湿、寒冷的北温带的石楠灌丛和针叶林地带的土壤类型，如北美北部和欧亚大陆的针叶林区。是在针叶林作用下形成的发育程度较高的灰化土。

When area of forests reduced, indigene had more farmland to raise more individuals. Malaria and other diseases related with forests alleviated, which to some extent improving the living condition for mankind.

随着当地森林的减少，增加了更多的农业用地，养活了更多的人口；随着森林的减少，使得各地的瘴疠开始减轻或者消失，在一定程度上改善了人类的居住环境。

The results showed that in the four rehabilitated forests, the previous month's soil moisture content had stronger effects on the current month's soil moisture content in 0-40 cm and 20-40 cm layers, but had lesser effects on that in 0-10 cm layer. The soil moisture content in 20-40 cm layer was mainly affected by current month's precipitation, while that in 0-10 cm layer was mainly affected by current month's evaporation. The correlation coefficient between current month's precipitation and soil moisture content was the largest in pure Liquidambar formosana plantation, and the auto-interrelation coefficient of soil moisture content was larger in mixed forests than in pure L. formosana plantation.

结果表明：研究区各重建森林前一个月的土壤含水量对当月整个土壤剖面(0~40 cm)平均土壤含水量和当月20~40 cm土层土壤含水量具有较强影响，对当月0~10 cm土层土壤含水量的影响较小；研究区各重建森林20~40 cm土层土壤含水量主要受当月降水量的影响，0~10 cm土层土壤含水量主要受当月蒸发量的影响；在4种森林重建模式中，枫香纯林当月降水量与当月土壤含水量的相关系数最大，混交林模式土壤含水量的自相关系数大于纯林模式。

Based on the theory of Welfare Economics and market structure theory this paper analysis the concept of carbon tax and externality of the consumers and producers in the forests carbon sink market, belive that the impact of the market is correcting externality, prove that the forests carbon sink market is oligopsony at presant.

目前森林碳汇市场属于买方寡占市场，政府需要设计合适的碳税政策，对排污企业征收碳税，使企业在缴纳碳税和购买森林碳汇之间选择。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。