阅读理解Forests are made of trees. Let's look at three types of forests.Boreal forests(北方针叶林) are found in northern parts of the world. These forests are cold. Spruce and pine trees grow in boreal forests. They have leaves shaped like needles. The largest boreal forest is in Russia...
Forests are made of trees.Let's look at three types of forests Boreal forests(北方针叶林) are found in northern parts of the world.These forests are cold.Spruce and pine trees grow in boreal forests.They have leaves shaped like needles.The largest boreal forest is in Russia.It is called ...
氮沉降对三种林型土壤动物群落生物量的影响 responses of soil fauna biomass to n deposition in three forests in subtropical china three gorges dam Deposition and erosion in the fluctuating backwater reach of the Three Gorges Project after upstream reservoir adjustment 三峡库区紫色土旱坡地桑树配置模式对土...
We determine the plant species needed to support the conservation of A. dorsata in Belitung Islands, Indonesia, by investigating the distribution of the sunggau in the three types of forests, the traditional knowledge regarding the plant species used for sunggau, and the vegetation s...
Results indicated that the edge or secondary bird species, many of which belong to frugivore/insectivore and nectarivore/insectivore guilds, had increased in number in the logged forests. In contrast, the interior forest species, in particular insectivores decreased in the logged forests. This ...
Influence of environmental parameters on small-scale distribution of soil-dwelling spiders in forests: What makes the difference, tree species or microhabi... We surveyed the soil-dwelling spider communities of four stand types of forests (pure stands: spruce, Douglas fir; mixed stands: beech-...
Forests in mountain ecosystems provide a diversity of services and goods in mountain landscapes, and the immediate utility of the forest to upstream residents must be balanced with the insurance forests provide for downstream residents in the form of, especially, the services of water regulation and...
Ecological stoichiometry plays important roles in understanding the nutrient constraints on tree growth and development, as well in maintaining ecosystem services in forests, yet the characteristics of carbon:nitrogen:phosphorous (C:N:P) stoichiometry in forests under karst environment have not been ...
As a result, the forests, animals and plants are disappearing. The native people who live in the forests are also disappearing.As many people have realized that the rainforests are faced with danger, they have taken action to protect them. In Cost a Rica(哥斯达黎加) , students have raised...
From the text...'Major forest types that are characterized by nonlethal understory fire regimes include those where ponderosa pine or Jeffrey pine has been... Arno,S.F 被引量: 130发表: 2000年 Bark beetle effects on fuel profiles across a range of stand structures in Douglas‐fir forests of...