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Analysis of Wildlife Moving Route with Landscape Characteristics  

Lee, Dong-Kun (Department of Landscape Architecture and Rural System Engineering, Seoul National University)
Park, Chan (Graduate School, Seoul national University)
Song, Won-Kyong (Graduate School, Seoul national University)
Publication Information
Journal of Environmental Impact Assessment / v.17, no.2, 2008 , pp. 133-141 More about this Journal
Abstract
The loss, alteration, and fragmentation of habitat have led to a reduction of biodiversity. The growing awareness of the negative effects of habitat fragmentation on natural systems has resulted in conservation strategy that is concerned with not only population and habitat level but also ecosystem and landscape level. Especially, ecological network to link core areas or major habitat patches is one of the most important issues. Recently, landscape connectivity is increasingly used in decision making for fragmented landscape management in order to conserve the biodiversity in the regional scale. The objective of this study was to find potential forest as a ecological corridor in Go-yang city, Gyung-gi province using cost-distance modelling method that can measure connectivity based on animal movement. 'Least cost-distance' modelling based on functional connectivity can be useful to establish ecological network and biodiversity conservation plan. This method calculates the distance modified with the cost to move between habitat patches based on detailed geographical information on the landscape as well as behavioural aspects of the animal movement. The least cost-distance models are based on two biologically assumptions: (1) dispersers have complete knowledge of their surroundings, and (2) they do select the least cost route from this information. As a result of this study, we can find wildlife moving route for biodiversity conservation. The result is very useful for long-term aspect of biodiversity conservation plan in regional scale, because this is reflection of geographical information and behavioural aspects of the animal movement.
Keywords
Least Cost-distance; Landscape Connectivity; Permeability; biodiversity conservation;
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Times Cited By KSCI : 2  (Citation Analysis)
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