The plantation defoliated in dry seasons while the mountain rain forest was tall and dense evergreen broadleaved forest and kept green in dry season.The mountain rain forest\'s arbor layer contained 3 layers.Relatively open space under the canopy,rare shrub,sparse grasses,very tall wood vines and rich epiphytes were found in it.4 Afforestation did not change the life form spectrum significantly.

西南樺人工林的喬木層在旱季落葉，而山地雨林外貌為高大熟女激情视频、常綠又大又湿免费视频、茂密的闊葉林，即使旱季也仍保持林冠蔥綠的外貌中文字幕欧美精品人妻一丘，喬木層可明顯的分為3層性黑人大战欧美视频免费看，林下比較空曠，灌木植被少見真人黄色网，草本植物分散狠狠干天天碰天天色，另外具有高大的木質(zhì)藤本植物和附生植物。4人工造林對群落的物種生活型譜影響不大AV免费在线www。

In 1998,Malamud et al compared actual forest fire data with simulation results of forest-fire model proposed by Drossel et al.and found that actual forest-fire system has self-organized criticality characteristics.

研究主要基于火災(zāi)發(fā)生原理法无卡无码无免费播放毛片，分析各種氣象因素、人口因素等對森林火災(zāi)發(fā)生概率的影響国产乱伦黄片，對其進行定量化手机在线黄色视频，特別是對人口密度對森林火災(zāi)的影響進行了定量化。

3Using long-term measurement of forest ecosystems, together with r elative data provided by forest resource inventory, hydraulic and meterorologica l departments, we estimate the various forest benefit values of Heilongjiang Pro vince, including those for visible and invisible products. Transferring the "pr oducts" to currency value using equivalent replacement of beneficial products f or currency and standard dimension, the total value is 498.687×108 yuan which takes up 32.7%of the total annual average provincial production (1522×108 yuan).

3引用多年森林生態(tài)系統(tǒng)定位研究結(jié)果正在播放国产精品，并參照森林資源調(diào)查忍住就让你无套精品国产、水利、氣象等部門提供的有關(guān)數(shù)據(jù)欧美中文字幕日韩综合四季，計算出黑龍江省森林各類效益值(有形產(chǎn)品和無形產(chǎn)品的產(chǎn)量)未满十八禁止进入，通過等效益物替換和貨幣置換法進行&產(chǎn)品&的轉(zhuǎn)換和量綱統(tǒng)一，最終得出黑龍江森林總效益值為498.687×108元欧美又粗又长的A片在线观看，占全省(1990-1992)年平均總產(chǎn)值1522×108元的32.7%人人区人人爽人人澡欧美一区。

To the saying of wasting ,in my opinion,when the pets are buried in some little forest and the forest can't be an area of living,why not let the the pets exuberate the little forest?

關(guān)于浪費土地這一說法，既然是安葬在小樹林里的国产精品福利一区，本來因為環(huán)保這小樹林就不可能變成住宅區(qū)的日韩欧美精品视频在线观看_，何不讓寵物的尸體來旺盛這一片樹林呢？

The fruiting bodies of ectomycorrhizal fungi were abundant and diverse in intact forest dominated by Fagaceae. Only a few species of macrofungal bodies were found in the pine dominated forest and secondary broad-leaved forest and none were seen in grassland during the study.

外生菌根菌子實體在以殼斗科植物為優(yōu)勢種的原生性次生林中較多且種類豐富国产黄色网站在现免费观看，在松林和次生闊葉林有少數(shù)種類免费黄色免费，但次生草坡群落未見有外生菌根菌子實體性爱视频A级。

We may see from next: the subject of forest resources ownership is absent, rights of different subject are not clear; rights of contractor and management for forest resources haven't got effective guarantee; government regulation's actions are too much, and hamper the development of foresty; right to use forest land hasn't got sufficient elaboration, etc.

集中表現(xiàn)在：森林資源所有權(quán)主體缺位，權(quán)屬不清www.youjizz.com.日本；森林資源的承包經(jīng)營權(quán)沒有得到有效保障亚洲av试看；政府干預(yù)過渡，阻礙了林業(yè)的發(fā)展免费一级在线视频播放；林地使用權(quán)的作用沒有得到充分發(fā)揮等国产农村乱人伦精品视频。

From intergrating model the general forest ecological economic structure classified by equal interval analysis spatial heterogenicity of the forest ecological benefit economic structure to create money gross of GIS spatial graphic distribution and statistics histogram, described the ecological benefit, and dynamics analyse the forest ecological benefits in last ninty years.

從廣義森林生態(tài)效益經(jīng)濟結(jié)構(gòu)匯總模型出發(fā)、按等間隔的分類標(biāo)準(zhǔn)作出森林生態(tài)效益貨幣總量的GIS空間分布圖及其統(tǒng)計直方圖国产va在线精品播放，進行森林生態(tài)效益經(jīng)濟結(jié)構(gòu)的空間異質(zhì)性分析69不卡欧美，劃分黑龍江省森林生態(tài)效益的主產(chǎn)區(qū)，進行了森林生態(tài)效益的跨度近90年的動態(tài)分析日韩精品熟女中文字幕。

Behaviour ecology, physio-ecology and community ecology of vines in the evergreen broad-leaved forest of Tiantong National Forest Park, Zhejiang Province, China, were studied and rich first-hand data were collected in this project.Some vines with different climbing motheds were much different in leaf anatomy, ecophysiology, growth rhythm and behavior, and another vines with same climbing methods showed similar adaptation to habitat, on which their distribution in a forest depended. The concept of climbing unit consisted of internode, leaves and tendrils or other climbing organs on it was put forth, and the method to calculate and value the climbing capaity of a vine was set up. In the meantime,experimental ecology of a twining vine Humulus scandens was carried out.

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These indicates bioactive peptides in Chinese forest frog skins have great potential for the exploitation and utilization. S_(180) cells were inoculated hypodermically at the concentration of 1×10~6 cells per mouse and the bioactive peptides in Chinese forest frog skins were resolved into aseptically distilled water to make injection liquid. After injected continuously 15 days, the inhibition rate of tumor was calculated. The induction of tumor cell apoptosis of active peptides in Chinese forest frog skins could be detected by morphological

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Applying Institutional Economics theory, using experience of overseas forestry institutions arrangement as reference, after analyses of the current problems and institution inequilibrium in state-owned forest area, this dissertation draws the conclusions as follows:(1)The forest areas institutions is a function taking environment and forest resource as its independent variables.

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