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贮量动态
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  stocks and dynamic
     On Forest Vegetation Stocks and Dynamic Change——A Case Study of Luoning County
     区域森林植被碳贮量动态变化研究——以洛宁县为例
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  “贮量动态”译为未确定词的双语例句
     Simulation Model of Carbon Storage Dynamics in Temperate Broadleaved-Coniferous Mixed Forest Ecosystem:Ⅰ.Dynamics of Carbon Storage in Tree Layer
     温带针阔混交林林分碳贮量动态的模拟模型Ⅰ.乔木层的碳贮量动态
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     Nitrogen Deposits of Lamb as Influenced by Rotational Grazing
     放牧强度对羊氮素贮量动态变化的影响
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     Storage dynamics of fallen trees in a mixed broadleaved and Korean pine forest
     阔叶红松林倒木贮量动态研究(英文)
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  相似匹配句对
     DynamicState
     动态
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     Trends
     动态:
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     Storage dynamics of fallen trees in a mixed broadleaved and Korean pine forest
     阔叶红松林倒木贮量动态研究(英文)
短句来源
     Nitrogen Deposits of Lamb as Influenced by Rotational Grazing
     放牧强度对羊氮素贮量动态变化的影响
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basic model is developed to simulate the dynamics of carbon storage in tree layer of temperate broadleaved-coniferous mixed forest stand. The model can get close to the observations on different stands. It consists of 10 compartments, which can integrate daily results to simulate monthly and annual carbon cycling in stands. There are 3 basic characteristics of the model:(a)the concept of light trophic area is introduced to make it easily be applied to mixed forest;( b )different strategies of allocation of assimilation...

basic model is developed to simulate the dynamics of carbon storage in tree layer of temperate broadleaved-coniferous mixed forest stand. The model can get close to the observations on different stands. It consists of 10 compartments, which can integrate daily results to simulate monthly and annual carbon cycling in stands. There are 3 basic characteristics of the model:(a)the concept of light trophic area is introduced to make it easily be applied to mixed forest;( b )different strategies of allocation of assimilation are used for evergreen and deciduous trees;(c )respiration of woody parts of trees is computed by using the known relationship between relative rates of respiration and diameters of woods.Because the model utilizes climatic data as driving variables,it can be applied to study the response of forest to climatic changes.

温带针阔混交林林分碳贮量动态的模拟模型Ⅰ.乔木层的碳贮量动态延晓冬,赵士洞(中国科学院沈阳应用生态研究所110015)SimulationModelofCarbonStorageDynamicsinTemperateBroadleaved-Conif...

Amount of storage, annual increment and decomposition of coarse woody debris (CDW) were examined in a 76-year old Castanopsis eyrei forest of Wuyi Mountains. A comparative analysis of CWD storage in an age sequence of C. eyrei stands was carried out and its role in nutrient cycling in the ecosystem was initially estimated. Amoullt of CWD storage, annual increment and decomposition were 7.349%, 1.425 and 0.512 tons·hm-2·a-1, respectively. As the age of C. eyrei forest increased,CWD storage increased initially,arrived...

Amount of storage, annual increment and decomposition of coarse woody debris (CDW) were examined in a 76-year old Castanopsis eyrei forest of Wuyi Mountains. A comparative analysis of CWD storage in an age sequence of C. eyrei stands was carried out and its role in nutrient cycling in the ecosystem was initially estimated. Amoullt of CWD storage, annual increment and decomposition were 7.349%, 1.425 and 0.512 tons·hm-2·a-1, respectively. As the age of C. eyrei forest increased,CWD storage increased initially,arrived at the climax gradually at the age of 58 years, and declined. then.CWD is a relatively important components of C. eyrei forest ecosystem. It contributed to 0.09%~1.91% of total nutrient storage in the total biomass of the ecosystem. About 1.94%~4.84% of total returns of nutrient element was through this route.

本文对武夷山甜槠林76龄成熟林内粗死木质残体的贮量、增枯量和分解量等进行了研究,对不同林龄甜槠林粗死木质残体的贮量动态进行了对比分析,并初步评述了它们在森林生态系统养分循环中的作用。研究结果表明:(1)甜槠林成林粗死木质残体贮量为7.349t·km-2,增枯量为1.425t·hm-2·a-1,分解量为0.512·hm-2·a-1;(2)随着林龄增长,不同林龄甜槠林的粗死木质残体贮量呈“S”型动态模式,至58龄阶段达到最大值,其后渐趋稳定;(3)粗死木质残体是甜槠林生态系统中较为重要的组成部分,其各养分元素贮量占该系统生物量分室总贮量的0.09%~1.91%,由增枯量实现的各养分元素归还量占养分元素归还总量的1.94%~4.84%。

Based on measurement of biomass, prodcutivity, water balance and nutrient content, the nutrient cycle proceses of black locust plantation ecosystem in gullied loess plateau has been studied systematically. The results showed that the total nutrients accumulations were N 10.940, P 3.755, K 154.611,Ca 169.092, Mg 18.435, S 1.487 t/hm2; the nutrient biocycling fluxes were in the order of Ca>N>K>Mg>P>S; the uptakes of nutrients from soil to produce l ton dry material of biomass were about to N 11.67, P 0.72, K...

Based on measurement of biomass, prodcutivity, water balance and nutrient content, the nutrient cycle proceses of black locust plantation ecosystem in gullied loess plateau has been studied systematically. The results showed that the total nutrients accumulations were N 10.940, P 3.755, K 154.611,Ca 169.092, Mg 18.435, S 1.487 t/hm2; the nutrient biocycling fluxes were in the order of Ca>N>K>Mg>P>S; the uptakes of nutrients from soil to produce l ton dry material of biomass were about to N 11.67, P 0.72, K 3.66, Ca 15.08, Mg 2.25, S 0.34 kg, the annual net accumulations in the total ecosystem were N 1.8073, P 0.2106, K 1.3756, Ca 2.7881, Mg 0.4400, S 0.0621 kg/hm2, but the annual net shortages in the soil layer distributed concentratively with roots were N 89.696, P 5.492, K34.479, Ca 88.991, Mg 15.270, S 2.511 kg/hm2. In addition, the trend models of nutrient cycling could be used to predict the nutrient storages in every compart of the total ecosystem.

在生物量、生产力和水量平衡及养分分析的基础上,系统研究了黄土残塬沟壑区刺槐人工林生态系统的养分循环过程。结果表明:生态系统中养分元素总贮量为N10.940t/hm2,P3.755t/hm2,K154.611t/hm2,Ca169.092t/hm2,Mg18.435t/hm2,S1.487t/hm2;生态系统内养分生物循环遵循Ca>N>K>Mg>P>S的顺序;刺槐生产1t干物质需要从土壤吸收N11.67kg,P0.72kg,K3.66kg,Ca15.08kg,Mg2.25kg,S0.34kg;经过循环利用,生态系统年净积累量N1.8073kg/hm2,P0.2106kg/hm2,K1.3756kg/hm2,Ca2.7881kg/hm2,Mg0.440kg/hm2,S0.0621kg/hm2,根层土壤却年净亏损N89.696kg/hm2,P5.492kg/hm2,K34.479kg/hm2,Ca88.991kg/hm2,Mg15.270kg/hm2,S2.511kg/hm2。此外,所建立的该生态系统的养分动态模拟模型,可用于对各分室养分贮量动态的预测。

 
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