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- Aggregated distribution-abundance model could better estimate the species abundance than random distribution-abundance model, suggesting that most species were aggregately distributed. 聚集分布多度模型预测物种多度的结果要好于随机分布多度模型,这表明该区大多数物种是聚集分布的。
- It was found that: (1) In all 17 plots, herb layers had the highest species abundance,and tree layers had the highest species evenness. 结果如下:()门个样方中物种丰富度指数是草本层最高,均匀度指数是乔木层最高。
- Species abundance pattern plays an important role on community structure. So far, less attention has been paid to abundauce pattern in ecology study. 物种多度格局是群落结构的重要内容,但在目前的生态学研究中对其重视不够;
- The avian species abundance is at a low level in the primary stage of vegetation succession, goes up in the second stage, and declines in the high stage. 鸟类的物种丰富度随着滩涂演替的推进经历由低到高再到低的过程。
- The main factors which decided the characteristics of Larix Chinensis forests were analyzed, the order is DBH?tree height?age?Area at breast height?species abundance. 通过主成分分析,对太白红杉林特征起决定作用的因子依次是:胸径?树高?年龄?胸高断面积?物种丰富度;
- Objective To investigate the species abundance distribution of ectoparasitic gamasid mites on Rattus flavipectus and illustrate the relationship between species and their corresponding individuals in the gamasid mite community. 目的研究黄胸鼠体表寄生革螨的种多度分布,阐明革螨群落内物种数与个体数之间的关系。
- The forage yield increased by 206.8%; the species number increased by one grade and density increased by 550%; the species abundance index increased by 800% and the evenness index increased by 66.7%. 迎风坡上部植被非常稀疏;不形成群落;植株平均高度25.;3 cm;产草量增加206
- First discussed in the theory of island biogeography, and then applied to habitat islands, is the effect of island size, isolation, and location on species abundance and biodiversity. 首先讨论海岛生物地理学理论,有关海岛大小、隔离和地点的应用在种类丰富且生物多样性之海岛栖地上。
- Study on fitting the model of species abundance distribution by the power-exponent equation 幂指数方程拟合物种多度分布模型的研究
- Study on species abundance distribution model of the rare and endangered plant Tsuga longibracteata community 珍稀濒危植物长苞铁杉群落物种多度分布模型研究
- Standing by him was a model worker. 站在他旁的是一位劳动模范。
- There was an abundance of corn last year. 去年玉米丰收。
- She had an abundance of very black hair. 她有一头浓密的深黑色头发。
- An array or abundance of gimmicks. 巧妙装置一系列的或大量的别致玩意儿
- I think I can get that special model for you. 我想我可以为你找到那种特别的型号。
- She has been held up as a model worker. 她被推举为模范工作者。
- He showed us a model of the new office building. 他给我们看了新办公楼的模型。
- He taught Tom how to make a model airplane. 他教汤姆作模型飞机的方法。
- There were deer in abundance in these forests. 这些森林中有许多鹿。
- John is repairing his model plane at his leisure. 约翰不慌不忙地修理着他的航模。