community biomass的例句大全

An Analysis on the Community Biomass Dynamics and Economic Characters of Artificial Caragana intermedia Community in Semi-desert Area

半荒漠风沙区人工柠条群落生物量动态及经济性状分析

Changes in Community Biomass along Snow-melting Gradient in Alpine Meadow

高山草甸群落生物量在融雪梯度上的变化

Effects of invasion of Dendrocalamus membranaceus Munro on community biomass and plant diversity

黄竹侵入对群落生物量及植物多样性的影响

The nonlinear relationship between bio-diversity indices and community biomass was not significant.

生物多样性指数与生物量相关性不显著。

Decrement of the community biomass with the grazing pressure was the key reason for the positive and negative correlation.

群落生物置随牧压增大而降低是导致群落蒸发和蒸腾与牧压呈正、负相关的主要原因。

The community biomass of abandoned farmland and its effects on soil nutrition in the Loess Hilly Region of Northern Shaanxi, China

陕北黄土丘陵区撂荒草地群落生物量及植被土壤养分效应

Water Physiological Ecology Characteristics and Community Biomass of Lespedeza davurica under Different Habitats in Gully Areas of Loess Plateau

黄土丘陵区不同立地达乌里胡枝子群落水分特征及生物量研究

The result shows that constitute the plants community of the main dominant species forage biomass variety of year range is bigger than community.

结果表明：分种牧草生物量年变化幅度大于牧草群体的变化；

Arbor layer is principal part of community biomass; it is 91% in brush forest and 99% in sedge forest.

乔木层生物量构成了群落生物量的主体，其中灌木落叶松林的乔木层生物量占到总生物量的91%左右，而苔草落叶松林占到99%左右。

Studies on Biomass of Avicennia marina Community in Guangxi

广西白骨壤群落的生物量研究

The increase in species, variation in community structure and obvious recovery in relative biomass index and relative biotic density index of necton indicated that ecological environment of Yun-dang lake had been improved greatly by further comprehensive control and management since 1993.

游泳生物种类的增加和群落结构的变化以及相对生物量指数和相对生物密度指数的明显恢复，表明筼筜湖经过1993年以来的进一步综合治理，生态环境的改善是显著的。

The vertical distribution of both above and below ground biomass of the community showed a pyramidic pattern.

地上、地下部分生物量垂直分布呈典型的金字塔模式。

Number of individuals and species, diversity indices, Shannon Wiener diversity index, biomass and soil fertility of the main plant community types in Xiyang River Bend region were analysed.

分析了西阳湾地区主要植物群落类型的种类组成、空间结构、物种多样性、生物量及土壤特性。