| 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. | 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。 |
| 8. | There are five natural sample zones of adiantum reniforme l . var . sinense y . x . lin investigated , and recorded 34 species . 10 dominant species were used to calculate the niche width of populations and the niche overlap interpopulations
调查了5个自然样地，记录了34个伴生种，取10个优势种进行种群生态位宽度与生态位重叠的计算。 |
| 9. | The result shows that the vast majority of the main tree populations in the ? castanopsis carlessii ? forest are of broad niche ; that the relation among the species is very complex ; and that many species share the same resources
采用定量分析方法,对武夷山米储林群落12个主要种群生态位(包括生态位宽度、生态位相似性比例、生态位重叠)进行了测定。 |
| 10. | In this paper , the niche characteristics of the dominant herb species in the subtropical ev - ergreen broad leaved woodland ( 53 species ) have been measured at the natural reserve of wanmu ling , including niche breadth , niche proportional similarity and niche overlap
对万木林自然保护区常绿阔叶林森林群落的53个主要种群进行生态位测定，包括生态位宽度、生态位相似比例、生态位重叠。 |
