| 1. | Analysis of landscape spatial pattern in fukang oasis 阜康绿洲景观空间格局分析 |
| 2. | Appraisal of eco - sensitivity on fukang city 阜康市生态敏感性评价研究 |
| 3. | Shrub and undershrub niches in vegetation of the fukang desert 阜康荒漠植被灌木与半灌木种群生态位的研究 |
| 4. | The gis technique supported by arc / info software was used to analyze the heterogeneity of oasis - desert ecosystem and its mosaic of patch structure , landscape change in fukang transect 利用地理信息系统软件对阜康绿洲-荒漠生态系统的景观结构的异质性、镶嵌结构及其格局变化进行了较全面的分析。 |
| 5. | 9 the status and characteristic of ecosystem stability in every topography position in fukang desert and oasis is different , so the different measures should be made in process of utilization and management 9 、阜康荒漠绿洲各地形部位生态系统的稳定状况及特征均不相同,在利用与管理中应采取不同的措施。 |
| 6. | The main results are as following : 1 species diversity indices are significantly different among communities in desert - oasis ecotone , but are low in general ; diversity indices based on important value and cover are more properly in arid desert areas 主要结论如下: 1 、阜康荒漠绿洲过渡带物种多样性在群落间差异显著,总体上多样性水平较低;对荒漠植被,以重要值或盖度为指标计测多样性指数较为可行。 |
| 7. | 7 topography and land use are main factors affecting the change of groundwater table , then influencing the redistribution of soil moisture and salinity . soil secondary salinization can be considered as the main factors that influence the stability of new oasis in alluvial plain 7 、地形和土地利用是影响阜康荒漠绿洲地下水位变化的关键因素,而地下水位的连续变化又影响了土壤水盐在空间上的分布。 |
| 8. | Species diversity dominance niche community ordination and classificationx population spatial pattern in desert - oasis ecotone in fukang , along with their relation to soil factors , are analyzed by quantitative vegetation analyze methods . the characteristic x dynamic of landscape ecological pattern and their influence factors are also analyzed by the partition of landscape transect . oasis stability is primary explored by the successive observation of soil water and salt in sangonghe basin in fukang 采用植被数量分析方法,分析了荒漠绿洲过渡带植物群落的物种多样性、优势种生态位、群落排序与分类、种群空间格局,以及它们与土壤因子之间的关系;通过划分景观样带,分析了阜康土地利用景观生态格局的特征、动态及其影响因子;通过阜康三工河流域土壤水盐的动态观测,对于绿洲稳定性进行了初步探索。 |
| 9. | 6 diversity fragmentation and evenness of ecological landscape in fukang increase with more utilization and development . the change of landscape pattern about land utilization is mainly area variation of plantation and wasteland in pluvial fan and alluvial plain , the key influence factors are the dynamic of soil moisture and salinity under the development of water and land resource 6 、在阜康各景观带中,随人为开发利用程度的增强,景观多样性、破碎度和均匀性增加;荒漠绿洲土地利用景观生态格局的变化,集中体现在位于洪积扇与冲积平原的耕地和荒地面积变动上,关键影响因子是水土资源利用下的土壤水盐动态变化。 |
| 10. | 3 eight communities are identified by gradient analysis in desert - oasis ecotone , and species are divided into 5 ecological groups . dca ordination is superior to cca and dcca . variation of vegetation explained by environmental and spatial factors reaches 23 . 4 % ; among these the species matrix explained by non - spatial soil factors account for up to 11 . 5 % of variation , spatial variation that is not shared by soil factors explains up to 11 . 6 % , their interaction explains up to 0 . 3 % 3 、通过梯度分析,阜康荒漠绿洲过渡带群落可分为8个类型,物种可分成5个生态类型; dca排序效果优于cca和dcca ;土壤和空间因子解释了植被分异的23 . 4 ,其中土壤因子占11 . 5 ,空间因子占11 . 6 ,二者交互作用占0 . 3 。 |