species biomass的例句大全

Based on the concepts and species of biomass salt, the characteristics of biomass salt and importance of developing biomass salt were discussed.

文章在介绍生物质盐概念与种类的基础上，论述了生物质盐的特点、开发生物质盐的意义。

At herd the grass growth season, 5 kinds of main dominant species forage biomass is 50% that total forage biomass;

牧草生长季5种主要优势种牧草的生物量占总生物量的50%以上；

The species and biomass succession were mainly changed according to the season alternating.

藻类主要根据季节更替而出现种类季节演替及生物量的季节波动。

The species and biomass of phytoplankton was different in the reservoir and overwintering fishponds.

冰封或冰下浮游植物的种类组成、生物量等明显与越冬池冰下浮游植不同。

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；

The results suggest that in order to estimate the confidence interval of the number of species and biomass, a larger sample size ( e.g. n ≥ 50) is needed.

结果说明，要估计一个变量的置信区间，需要有足够大的样本含量。

Submerged plant is an important makeup in Lake Ecosystem. Species, biomass, mulch area, spatial distribution, fashion and degree used of submerged plant are directly related to the environmental quality of the lake.

沉水植物是湖泊生态系统的重要组成部分，湖泊沉水植物的物种组成、生物量、覆盖面积、空间分布、被利用的方式及程度都直接关系到湖泊环境的整体质量。

The effect of mono-species and poly-species constructed wetlands on wastewater purification and plant biomass increment was studied.

对单种和多种植物人工湿地对污水的净化效果和植物生长生物量进行了研究。

The main conclusions were as follows: 1. Whether in monoculture or mixtures, water stress decreased biomass production of both species and the old world bluestem was more sensitive to water deficiency.

主要结果如下：1.不论在单播或者二者混播条件下，水分胁迫均显著降低白羊草与达乌里胡枝子生物量，且白羊草对水分胁迫的响应更敏感。

The main conclusions were as followed: ( 1) The ecosystem services of buffer strips were related to plant species, crown density and tridimensional green biomass density.

主要研究结论如下：（1）缓冲带的生态服务与物种、郁闭度和三维绿量密度有关。

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。

But misidentification happens to Noctiluca red tide occurring on 16th July, 2001.In the end, the paper points out the future work concerning red tide airborne hyperspectral remote sensing detection, red tide dominant species airborne hyperspectral identification and extraction of red tide biomass distribution feature.

最后，就赤潮航空高光谱遥感发现检测、赤潮生物优势种类航空高光谱识别和赤潮生物量分布特征航空高光谱提取等3项技术的完善，提出了需要进一步开展的研究工作。

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。

The species composition and the biomass of phytoplankton varied whenfeeded with photosynthetic bacteria in fish ponds.

鱼塘泼施光合细菌后浮游植物种类组成及生物量均发生变化.