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- Species richness was generally low in all shrub communities. 各类灌丛之间物种丰富度指数相差不大。
- In complex bactaria The species richness of PSB is obvious. 在复合菌群中,光合细菌的优势度明显。
- Species richness of shrubland in the Project Area is considered very low. 工程项目区内的灌木丛的品种丰盛程度非常低。
- LIN Yu-chang Area Serai, intertwined vines and plant species richness. 景区林郁苍茏,藤蔓交织,植物物种丰富。
- In all hassock communities, species richness was high in ruderals but was low in typical degraded hassocks. 杂类草草从具有较高的丰富皮指数,而演替到较为稳走的退化草丛物种丰富度指数呈下降趋势。
- 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。
- But it looks as though their species richness is caused by the same underlying mechanism. 但看上去,它们的物种丰富性是由同一种潜在的生物机制所产生的。
- The average species richness was 42.9 for forest, 15.96 for shrub, and 17.89 for hassock communities. 6个岛屿的植物种数分别为126、157、175、189、242、254;其中森林群落的平均物种丰富度指数为42.;19,灌、草从分别为15
- With the increase of altitudinal variation, an increasing trend was observed on species richness. 但在其它地理因子的综合影响下,面积的影响作用被掩盖或弱化。
- All three groups are important in de termining species richness in the degraded communities. 对于退化的针叶林来说,主要的影响因子是生境和人类干扰;
- Other programs are designed to help measure prey selectivity, age distribution, survival, and species richness. 还有一些用于测量捕食选择性、年龄分布、物种丰度的程序。
- The results showed that species richness decreased against the latitudinal gradients. 结果表明,从南到北,研究区域内物种丰富度总体上呈递减趋势;
- The diversity index and species richness index of original vegetation in Karst area are lower than in nonkarst area. 石灰岩地区原生植被生物多样性和物种丰富度指数较砂页岩地区的原生植被低。
- Jade species richness, color-coded score jade, stone, topaz, white, Mo, spent jade, jade Lake, Green Lake, fat, green white. 岫玉种类丰富,按颜色分有碧玉、青玉、黄玉、白玉,墨玉、花玉、湖玉、湖水绿、苹果绿、绿白等。
- Williams PH,Gaston KJ.1994.Measuring more of biodiversity:Can higher-taxon richness predict wholescale species richness[J].Biol Cons,67:211-217. [王应祥.;2003
- In the process of secondary succession from conifer-broadleaf forest to broadleaf forest, species richness fluctuated remarkably. 在针阔混交林向阔叶林演替过程中,物种丰富度指数表现为较大的波动性。
- The most rigorous approach compares species richness of multiple sister clades that differ in the presence or absence of a given trait. 比较多种姐妹分支的物种丰度的方法中,最严格的一种的区别在于一个特定形状的有无。
- The number of species, species richness and diversity for juvenile fishes were higher in the spring and fall, and lower in the summer and winter. 而稚鱼出现之种类数,物种丰富度及均匀度或歧异度均于春季及秋季较高,夏季及冬季较低。
- The result showed that this measure was very effective to restore plant species richness and coverage on deteriorated upland meadow. 结果表明,禁牧封育对恢复退化山地草甸物种丰富度和草地盖度有明显的效果。
- Herbaria can provide important information about the spatial distribution of plants, and are important data sources for estimating species richness. 摘要植物标本是植物空间分布信息的重要来源,也是估算物种丰富度的主要数据资料。