群发资讯网

返回主页
species composition
物种组成:指某一特定区域或生态系统中各种不同物种的数量和比例关系。
常用释义
英式发音
美式发音
基本释义
  • 物种组成:指某一特定区域或生态系统中各种不同物种的数量和比例关系。
例句
  • 1·There is usually a good deal of turnover in species composition, even in a mature community.
    即使在一个成熟的群落中,物种组成通常也有很大的变化。
  • 2·Experiments suggest that if fire did not occur in savannas in the Americas, species composition would change significantly.
    实验表明,如果美洲稀树大草原没有发生火灾,物种组成将发生显著变化。
  • 3·Shifts in forest species composition ramify through the ecosystem in many ways because tree species have different, often unique properties.
    由于树种具有不同的、往往是独特的特性,森林物种组成的变化以多种方式影响着生态系统。
  • 4·Long-term effects are primarily mediated by changes in tree species composition and the consequent alterations of forest structure, productivity, and nutrient uptake.
    长期影响主要是由树种组成的变化以及随之而来的森林结构、生产力和养分吸收的变化所导致的。
  • 5·The species composition of ticks varied with different months.
    不同月份的蜱种组成有所不同。
  • 6·Water colors have a close connection with phytoplankton species composition.
    水色与浮游植物种类组成密切相关。
  • 7·Species richness and evenness were unrelated to similarity in species composition.
    物种丰富度和均匀度均与物种构成上的相似性没有显著相关关系。
  • 8·As a result, the species composition of crow flocks wintering in Shenyang City is c.
    发现冬季集群于沈阳市郊的乌鸦主要由小嘴乌鸦C。
  • 9·The species composition, variation in biomass and their succession were investigated.
    分析了水库水生生物种类组成、数量变化和群落演替。
  • 10·Similarity of forest community species composition of herb layer did not change evidently.
    草本层物种组成的相似性随海拔上升无明显变化趋势。