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- biomass of arbor species 乔木生物量
- The above-ground biomass of arbor layer amounted to 54.826 t/ha, and mean annual production amounted to 10.229t/ha. 9年生萌生林乔木层地上部分生物量为54.;826t/ha;年平均净生产量为10
- It showed that the biomass of arbor layer and shrub-herbaceous layer from the interblending trees was lower than single-species wood respectively. 结果表明：混交林中乔木层生物量小于侧柏纯林和油松纯林的生物量；
- Standing crop of 18-year-old Pinus tabulaeformis plantation in Wei-bei region was 7l. 410t/ha, in which the biomass of arbor layer amounted to 67.124 t/ha. 渭北地区18年生油松林生物量为71.;410t/ha;其中乔木层生物量为67
- The average biomass of these stands amounts to 41.456 t/ha,in which the biomass of arbor layer litterfall and undergrowth were 32.799, 7.247 and 1.41Qt/ha or 79.1,17.5 and 3.4% of the total stands, respectively . 其中乔木层、林下植物层和枯枝落叶层的生物量分别是32.;799、1
- The biomasses of arbor layer account for 95.6%, 97.35%, 97.62%, 96.53%, 98.28% and 98.78% of their total community biomass. These results showedan increasing trend of biomass according to different stand ages. 乔木层生物量占群落总生物量的比例从10龄至65龄林间呈不断增加的趋势，分别为95.;6%25，97
- You may have heard of Arbor Day at school. 你可能在学校里听过植树节。
- spectral reflectance of arboreal species 乔木手的光谱反射率
- Under above conditions, biomass of AbM attain to 15.6 g/L. 在此培养条件下;姬松茸液体培养的生物量可达15.;6g/L
- The distribution of arbor biomass is in the following order:bole wood(101.4t/ha)>branch(56.6t/ha)>bark wood(20.4t/ha)>foliage (6.0t/ha)>dead-branch(3.8t/ha)>twig(2.2t/ha). 乔木层生物量在各组分中的分配如下:干材101.;4t/ha;树皮20
- In those plants, there were 133 arbor species, 103 shrub species, 375 herbage species, 11 herbaceous-liana species and 10 ligneous-liana species. 按生活型类型划分有乔木133种,灌木103种,草本375种,草质藤本11种,木质藤本10种。
- The metasequoia, a tall species of arbor, is considered to be one of the oldest and rarest plants in the world. 水杉是一种高大乔木，被列为世界古稀名贵植物。
- There are 22 arbor species, 4 scrub species, 4 forest-types and 10 suggested experimental species that are good for popularization and application in the region. 该表推荐出适宜在本区推广应用的乔木树种22个、灌木种4个、林种4个,建议试验树种10个。
- Investigation on biomass of Rhododendron hybridum Hort. 比利时杜鹃生物量调查。
- Several principles for species selection are proposed and a list of species in forms of arbor,shrub,bamboo and liana are provided. 提出了绿化树种选择与配置的若干原则,并提供了一批拟选择的乔木、灌木、竹类及攀援植物种类名单。
- At this age, the biomass of the age class is maximum. 在这个年龄，年龄组的生物量是最大的。
- The biomass of urea treated by CWRM was higher than that of FSU. 各保水剂处理的尿素的氮肥利用率均高于FSU处理，且保水剂PAM处理略高于Osmocote。
- Six kinds of characteristics for 16 species of arbor and shrub were analysed by the methods of factor analysis and expert evaluation. 应用因子分析和专家打分法对16种乔木和灌木的6种性状进行统计分析。
- The ratio of quantity of arbors to shrubs is 1:18.8. 乔木与灌木的数量比为1：18.;8，乔木占灌木5
- The principle component 1 in Carex lasiocarpa could explain the species relative density of 88% and the aboveground biomass of 84%. 毛果苔草湿地中主成分1能够解释88%25的物种相对密度和84%25的地上生物量;
