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   退化森林 的翻译结果: 查询用时:0.609秒
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退化森林
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  degraded forest
     (4) measuring the activities of soil enzymes in degraded forest ecosystem;
     (4 )退化森林生态系统的土壤酶活性特征 ;
短句来源
     2) the reconstruction integration technology of degraded forest ecosystem;
     ②不同层次退化森林生态系统的重构或重组集成技术;
短句来源
     Suggestions on restoration and reconstruction of degraded forest ecosystem in the upper reaches of the Yangtze River
     长江上游退化森林生态系统恢复与重建刍议
短句来源
     Studies on the Restoration and Rehabilitation Theories and Technology of the Degraded Forest Ecosystems in the Three Gorges Reservoir Area
     三峡库区退化森林生态系统恢复与重建理论及技术研究
短句来源
     Restoration and Rreconstruction of Degraded Forest Ecosystem in the Upper Reache of the Minjiang River
     岷江上游退化森林生态系统的恢复与重建
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  “退化森林”译为未确定词的双语例句
     A Study of Theory and Technique on the Vegetation Restoration and Reconstruction of Degraded Ecosystem in Karst Mountain Area
     贵州喀斯特退化森林生态系统恢复与重建理论及技术研究
短句来源
     (1) The degrading process of forest ecosystems and characteristics of degrading forest ecosystems were analysed.
     (1)分析了森林生态系统退化的过程及退化森林生态系统的特征;
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     Results showed that: (1) Soil conservation to reach a saturation status when the degradation ecosystem restored for 30 years.
     结果表明:(1)退化森林生态系统恢复到30a林龄时土壤保持量已趋于饱和。 边际效用递减到0时土壤保持总效用达到最高,土壤侵蚀基本控制。
短句来源
     From the analyzing angle of community microclimate, the natural restoration measures are of benefit to the restoration and reconstruction of the degradative forest vegetation.
     从群落小气候这个角度分析,自然恢复措施有利于退化森林植被的恢复和重建。
短句来源
     CARBON ISOTOPE TRACERS FOR THE RESTORATION OF DEGENERATED FOREST ECOSYSTEM
     退化森林生态系统恢复过程的碳同位素示踪
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  相似匹配句对
     (4) destruction and degradation of forest.
     (4 )森林破坏和退化 .
短句来源
     A STUDY ON EVALUATION OF NATURAL RESTORATION FOR DEGRADED KARST FOREST
     退化喀斯特森林自然恢复评价研究
短句来源
     The View of Forest Value
     森林的价值观
短句来源
     GRIEF OF FORESTS
     悲情森林
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     vegetation degradation;
     植被退化
短句来源
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  degraded forest
At the lower altitude, plants in the more degraded forest stand were more mycotrophic compared to those in the less degraded stand.
      
Vegetation changes are interpreted as a consequence of natural regeneration of formerly degraded forest sites, involving an increase in nutrient availability.
      
The area surveyed included habitat disturbed by human activity, with both the grazing of livestock and firewood collecting resulting in degraded forest.
      
Above-ground tree biomass accumulation at the abandoned agricultural land site was 3.9 t ha-1 yr-1 compared with 1.1 t ha-1 yr-1at the degraded forest land site.
      
Four major land use systems [evergreen forest, degraded forest, bush fallow (10 years and over) and food crop fields] were identified as major niches for the species.
      
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The Markovian model was applied to predict the changes of coverage and species diversity at each stratum (tree,shrub and herb, resistively)of the detsriorated Pinus massoniana forests under improvement and also the changes of speific composition of the shrub stratum in the forests in Sichuan Basin. The results indicated that the Markovian model could be applied to study the artificial restoration and reconstruction of the deteriorated forest ecosystem.In the Sichuan Basin,the deteriorated P. massoniana forests...

The Markovian model was applied to predict the changes of coverage and species diversity at each stratum (tree,shrub and herb, resistively)of the detsriorated Pinus massoniana forests under improvement and also the changes of speific composition of the shrub stratum in the forests in Sichuan Basin. The results indicated that the Markovian model could be applied to study the artificial restoration and reconstruction of the deteriorated forest ecosystem.In the Sichuan Basin,the deteriorated P. massoniana forests could be naturally regenerated,and the restoration could be speeded up if conservation and replantation were taken. The Markovian model and its prediction results are discussed in this paper.

运用马尔柯夫模型对四川盆地马尾松低效林改造恢复过程中林分各层次盖度、多样性指数和灌木层物种组成的变化趋势进行了预测.结果表明:马尔柯夫模型可适用于退化森林生态系统人工恢复重建过程的研究;四川盆地马尾松低效林可以自然恢复,但采用封育补植措施则能加快恢复进程.对马尔柯夫模型及预测结果进行了讨论.

his paper summaries the state of natural environment and some major problems in Pakistan, including water pollution, soil erosion and degradation, deforestation, and loss of biodiversity.

本文概述了巴基斯坦自然环境现状以及存在的一些主要问题,其中包括水污染、土壤侵蚀和退化、森林砍伐以及生物多样性损失。

This paper analyzes the species diversity of the long closed conserved forest(CF) and the degraded forest(DF) caused by human disturbance in northern Fujian Province. The result indicates that the plant species richness and Shannon Wiener indices in DF communities are similar to that in CF communities. But the species diversity of composition and layer structure had significantly changed. The basis of species population in community had consequently degraded. There is less rare and extincting species in DF...

This paper analyzes the species diversity of the long closed conserved forest(CF) and the degraded forest(DF) caused by human disturbance in northern Fujian Province. The result indicates that the plant species richness and Shannon Wiener indices in DF communities are similar to that in CF communities. But the species diversity of composition and layer structure had significantly changed. The basis of species population in community had consequently degraded. There is less rare and extincting species in DF communities than that in CF communities, and the species diversity in CF community is practically different than that in DF community.

本文从群落及其组成结构等方面分析了闽北长期封禁保护的森林(conservedforest,CF)和人为干扰后的退化森林(degradedforest,DF)群落物种多样性,结果认为,DF群落的植物物种丰富度和ShannonWiener指数与CF群落相近或略高,但DF群落植物种类组成和层次结构的物种多样性发生明显变化,群落物种种群基础已改变,稀有种和渐危种缺乏,这正是DF与CF群落物种多样性的本质差异。

 
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