In this research, the effort is first given to analyzing and exploring the concept, connotation and character of non-commercial forest, and four characteristics of non-commercial forest are pointed out as follows: public goods, exteriority, no market price and market value and society capital.

本研究首先從理論上分析和探討了公益林的概念一级黄色视频免费试看一下、內(nèi)涵和特征操女人逼黄色的视频；研究了公益林生態(tài)系統(tǒng)的價(jià)值構(gòu)成；探討了國內(nèi)外評(píng)估森林多種價(jià)值的方法體系www久久99～com。研究指出公益林具有以下四大特征H视频在线观看免费网站，即公共物品特征、外部性特征黄色网页视频久久、沒有市場價(jià)格和市場價(jià)值99玖玖、屬于社會(huì)資本。

Financial Compensation for forest externals should be public-Welfare forests, not be timber forest.

受外在補(bǔ)償?shù)膽?yīng)該是特定公益林的經(jīng)營者国产在线b，而不包括商品林的經(jīng)營者视频国产欧美。

Hatfield Forest was part of the Great Forest of Essex back in the twelfth century, when the King introduced the Fallow deer he wanted for his feasts - and for the sport of hunting.

哈特菲爾德森林是12世紀(jì)埃塞克斯大森林的一部分。當(dāng)國王介紹了他用膳及打獵活動(dòng)需要的小鹿欧美色操。

Accurate separation between forest and forest fallow may not always be possible.

對(duì)林地和休耕林地的精確劃分有時(shí)是不大可能的18岁网。

During 1995 and 1997,thesampling plots were established at Hetou Forest Farm of Leizhou Forest Bureau inGuangdong Province,where the field duties of this research were conducted.

桉樹作為一個(gè)速生的外來樹種，在我國華南地區(qū)得到了迅速發(fā)展欧美AA一级黄片免费看，目前桉樹人工林約有一半的栽培面積是連栽国产欧美精品综合区，但關(guān)于連栽對(duì)桉樹人工林生產(chǎn)力的影響僅僅停留在宏觀估測和表面的判斷，尚未有具體數(shù)據(jù)方面的證據(jù)激情综合五月激情综合五月65。

Fiord Forest will present you romantic springs, silent forest, and fresh ecological experience. Magical architecture, simple color lines, and simple glass metals create certain modern feel.

來到峽灣森林A毛片在线，泉水的浪漫、森林的幽靜欧美日本视频，帶來清新的生態(tài)環(huán)境體驗(yàn)一级做a爰片久久毛片A片久久；建筑造型的夢(mèng)幻、色彩線條的簡潔国产精品一区24p、玻璃金屬的時(shí)尚黄色网站视频看看，創(chuàng)造出明朗的現(xiàn)代感受。

Because of the gusty and complicated character of forest fire, it is necessary to apply Computer-aidedtechnology to forest fireproofing.

由于森林火災(zāi)具有突發(fā)性和復(fù)雜性的特點(diǎn)国产免费拍拍视频，將計(jì)算機(jī)輔助技術(shù)應(yīng)用于森林防火已成為必然的發(fā)展趨勢(shì)caopeng视频在线。

In order to understand the water conservation function of forest in the Three Gorges Region of Yangtze River and provide fundamental basis for vegetation construction of this region,the function of canopy interception of three main forest types based on the data from fixed sample plots in Jinyun Mountain in Chongqing City were studied.

為探討長江三峽地區(qū)的森林水文作用，并為長江三峽的植被建設(shè)提供依據(jù)欧美一级片免费在线观看，研究重慶縉云山自然保護(hù)區(qū)3種森林類型典型林分的林冠截留作用亚洲欧州在线视频。

Species diversity of these forest types also significantly influenced the nutrient characteristics of plant foliage, litter quality and most of the soil properties, but the species diversity of the 3 forest layers had different influences on them.

各林型物種多樣性對(duì)植物葉片養(yǎng)分特征，凋落物品質(zhì)和土壤理化特性也都不同程度存在顯著影響加勒比性交，且喬灌草三層的物種多樣性的影響不同好妞色妞免费观看AV。

The correct understanding of city forest did well for the city forest construction the foundation.

正確認(rèn)識(shí)城市森林的價(jià)值是搞好城市森林建設(shè)的基礎(chǔ)。