第一性生产量 primary production(7) net primary production(6)   primary production      Net primary production of the forcst(Pn) was 29.612t. hm-2.a-1, and that of trunk,branch,leaf,root,and fruit and flower,8.181(27.63%), 3.403(11.49%), 4.281(14.46%),13.165(44.46%), and 0.582(1.97%) respectively.      净第一性生产量为29.612t·hm~(-2)·a~(-1),其中干8.181(27.63％),枝3.403(11.49％),叶4.281(14.46％),根13.165(44.46％),花果0.582(1.97％)。 短句来源      7) The return of N, P and K by litterfall explained their 49.1%, 38. 0% and 13. 1%, respectively, in net aboveground primary production (NAPP). 1. 2% and 46. 6% of N and P in NAPP came from the internal cycling.      （7）N、P、K通过枯枝落叶的归还量分别占它们在地上部净第一性生产量中的49．1％、30．8％和13．1％，而地上部净第一性生产量中的N和P的31．2％和46．6％来自于养分的内部循环。 短句来源      The net primary production in 12-year-old stand was 253. lg / m2·a highter than in 12-year-old stand.      中龄林的净第一性生产量为2006.4g/m~2·a,其中树干占36.01％,林占21.63％,叶占19.03％,根占21.53％,叶被采食量占1.80％. 短句来源      Biomass increment, net primary production, and their allocation of the lower subtropical evergreen broad-leaved forest in Heishiding natural reserve were studied.      本文研究了黑石顶自然保护区南亚热带常绿阔叶林的生物量增量及其分配规律,净第一性生产量及其分配规律. 短句来源      4) Although net primary production in the fernland was greater than those in the grassland and scrubland which are near the fernland, the N and P mass in net primary production of the fernland was less than that in the scrubland.      （4）虽然芒箕群落的净第一性生产力大于其邻近的草地和灌木林，但其净第一性生产量中的N和P量却小于灌木林。 短句来源 更多          net primary production      Net primary production of the forcst(Pn) was 29.612t. hm-2.a-1, and that of trunk,branch,leaf,root,and fruit and flower,8.181(27.63%), 3.403(11.49%), 4.281(14.46%),13.165(44.46%), and 0.582(1.97%) respectively.      净第一性生产量为29.612t·hm~(-2)·a~(-1),其中干8.181(27.63％),枝3.403(11.49％),叶4.281(14.46％),根13.165(44.46％),花果0.582(1.97％)。 短句来源      The net primary production in 12-year-old stand was 253. lg / m2·a highter than in 12-year-old stand.      中龄林的净第一性生产量为2006.4g/m~2·a,其中树干占36.01％,林占21.63％,叶占19.03％,根占21.53％,叶被采食量占1.80％. 短句来源      Biomass increment, net primary production, and their allocation of the lower subtropical evergreen broad-leaved forest in Heishiding natural reserve were studied.      本文研究了黑石顶自然保护区南亚热带常绿阔叶林的生物量增量及其分配规律,净第一性生产量及其分配规律. 短句来源      4) Although net primary production in the fernland was greater than those in the grassland and scrubland which are near the fernland, the N and P mass in net primary production of the fernland was less than that in the scrubland.      （4）虽然芒箕群落的净第一性生产力大于其邻近的草地和灌木林，但其净第一性生产量中的N和P量却小于灌木林。 短句来源      This paper deals with the roles of urban vegetation in the balance of carbon and oxygen by studying the storage and distribution of carbon and the capacity of fixing carbon and making oxygen, based on the biomass and net primary production (NPP) of urban vegetation in Guangzhou.      在研究广州城市绿地植物生物量和净第一性生产量的基础上，通过对城市绿地碳的贮存、分布和固碳放氧能力的估算，探讨城市绿地对城市碳氧平衡的作用。 短句来源 更多          “第一性生产量”译为未确定词的双语例句      Fine root (D≤3mm)production was very important,about 81% of total root production, and root production was about 45% of Pn.      细根(D≤3mm)生产量占根系生产量的81％,根系生产量约占净第一性生产量的45％。 短句来源      Area, geographical distribution, community structure, speciescomposition, dynamics, nutritive value of herbages, primaryproduction and utilization of each grassland type are outlined.      在文中,对各类草地资源的大体面积、群落结构、种类成分、第一性生产量及其合理利用途径、地理分布、营养成分、动态变化的特征,作了概括叙述。 短句来源      Based on the simulation by Holdridge model,the calculation of NPP and AVHRR/NDVI,along with the research of land use and cover change,this kind of change can affect the net primary productivity and vegetation coverage without much change in vegetation distribution.      根据Holdridge模型模拟、NPP 估算、AVHRR／NDVI计算和土地覆盖变化等相关研究可知,这种干湿变化还未对植被分布产生质的影响,但可以影响植被覆盖度和净第一性生产量。 短句来源      As results, terrestrial NPP in China indicated a significant increase over the past 18 years, with an average value of 1 8? PgC and a mean increasing rate of 0 024? PgC·a -1 . The NPPs in alpine meadow vegetation, evergreen broadleaf and evergreen needle\|leaf forests showed a marked increase.      结果表明 :18年间我国植被净第一性生产量呈增加趋势 ,平均增加速率为 0 0 2 4PgC·a-1,其均值为 1 8PgC ,其中高寒植被、常绿阔叶林和常绿针叶林的增加速度最快 ; 短句来源      STUDIES ON PRIMARY PRODUCTION IN HAMPSFELL BRACKEN GRASSLAND ECOSYSTEM OF ENGLAND      英国Hampsfell蕨菜草地生态系统的第一性生产量的研究 短句来源 更多        查询“第一性生产量”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   primary production The results showed that the number of species in the communities of aquatic organisms and in ecosystems depends on the area and volume of the water body and the level of plankton primary production. 例句来源       The greatest number of heterotrophic species was observed in water bodies whose primary production approached 1400 kcal/m2 per year. 例句来源       Modeling the Values of Net Primary Production for the Zonal Vegetation of European Russia 例句来源       Several modern approaches to the problem of estimating the net primary production of terrestrial ecosystems are discussed. 例句来源       The model estimations of net primary production are compared with experimental data. 例句来源       更多             net primary production Modeling the Values of Net Primary Production for the Zonal Vegetation of European Russia 例句来源       Several modern approaches to the problem of estimating the net primary production of terrestrial ecosystems are discussed. 例句来源       The model estimations of net primary production are compared with experimental data. 例句来源       The response of the phytocenotic habitats to possible climate changes is estimated from the changes in net primary production for the considered climatic scenarios. 例句来源       In forest phytocenosis that were formed with species replacement (after cuttings with understory clearing), the annual moss production (net primary production) ranged from 2.8 to 20.6 g/(m2 y). 例句来源       更多           没有找到相关文摘     相关查询: 净第一性生产量 第一性 生产量 第一性原理 农业生产量 遗传生产量 第一性生产力 初级生产量 经济生产量 能量生产量 谷物生产量 净生产量  对查询结果不满意

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