Abstract
In order to harmonize the urban land use system with ecologically sound wildlife system, it is necessary to identify the various characteristics of spatial linkage among the different types of biotopes. The design scheme to evaluate spatial linkages of biotopes is proposed in this paper. First, a comprehensive table of 13 biotope types is presented which enables us to recognize visually the spatial linkage by the combinations of biotope types. Secondly, 22 ecological indicators which represent the species living in similar environmental conditions are selected. The ecologically important combinations of biotopes are evaluated by specifying biotopes where the indicators live for the purpose of bleeding, feeding and taking a rest. Thirdly, in the elementary experimental survey in and around the urban ecological park, existent combinations of biotope types in 1956, 1977 and 1995 are analyzed by means of mapping the spatial distribution of biotopes. The ratio of existent combination to total kinds of combination for each ecological indicator is calculated as the way to realize the transition of spatial linkage of biotopes. Finally, the integrated spatial linkage of biotopes is assessed by classifying the combination according to variety of high, middle and low level of niche. Moreover, the guideline of environmental restoration planning is discussed.
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