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The life quality of livestock population in different time and space is determined by the limitations of water and grass resources and by the fixed position of resource. Carrying capacity is a variable which is closely related to the resource that the prairie can supply. Based on the systematic analysis on the grassland resources, water resources in Damaoqi desert steppe and on the ecological principles...
In the preprocessing course of spatial data, different departments always have diverse naming methods when describing the same geographical entity, due to different backgrounds and views of angle. There are also great differences among the feature sets which are used to describe concepts of geo-ontology, making it difficult to conduct semantic interoperation based on the theory of concepts reasoning...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.