| 1. | The trophic niche breadth of little egret and cattle egret was
527 ，牛背鸳生态位宽度为0 |
| 2. | Analysis on the niche breadth and resource competition of the four termite species
4种白蚁生态位宽度与资源竞争分析 |
| 3. | The feeding niche breadth does not change significantly among 7 species ( p > 0 . 01 )
7种鸟类在取食生态位宽度上变化不显著（ p 0刀1 ） 。 |
| 4. | Simpson shannon - wiener methods for measuring niche breadth and wang - gang niche overlap formula are more fitted to ecotone
Simpson 、 shannon - wiener生态位宽度公式和王刚生态位重叠公式对该区更为适用。 |
| 5. | Reaumuria soongorica and haloxylon ammodendron were dominant species occupying big niche breadth , and other species are companion
2769 ) 。生态位宽度较大的红砂和梭梭为优势种，其余草本植物为伴生种。 |
| 6. | In the plant vegetations are mainly communities , the niche breadths vary greatly and the similarity ratios among different plants are very low
植物群落内生态位宽度悬殊，植物种之间的生态位相似比例很小。 |
| 7. | The dominant species have the widest niche breadth in the communities , and annual short - life plants many a time get into the communities while the niches of the dominant species decrease
群落中的优势种植物的生态位最宽，当优势种生态位减小时，一年生短命植物往往会进入群落中。 |
| 8. | Low niche breadth and similarity ratio , resulting from the conditions of the droughty desert habitats , are one of the major features of sparsely distributing plants in droughty desert ecological environments
生态位宽度和生态位相似比例小是受制于干旱荒漠生境条件的结果，是干旱荒漠生态环境中稀疏荒漠植物的主要特征之一。 |
| 9. | In this study , the niche characteristics of 12 main tree populations in ? castanopsis carlessii ? forest have been analyzed by quantitative method at the nature reserve of wuyi mountains , including niche breadth , niche proportional similarity and niche overlap
植物种群之间的生态位相似性比例和生态位重叠指数指标值反映了亚热带常绿阔叶林的生态特征。 |
| 10. | 5 we analysis the feeding niche breadth of 7 species , the variables include feeding methods , height of feeding parts , level and vertical position of coronal layer , base matter that birds feed on , the species of trees that birds feed on
对7种乌类取食生态位的宽度进行了统计计算，包括取食方式、取食高度、冠层水平位置、冠层垂直位置、取食基质和取食树种。 |
