期刊
GLOBAL ECOLOGY AND CONSERVATION
卷 9, 期 -, 页码 116-130出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.gecco.2016.12.003
关键词
Habitat quality; Connectivity; Spatial analysis; Ecosystem services; Sumatra
资金
- WWF Indonesia [ID00SP06-SP-105]
- WWF Network [ID0PS013]
- Copernicus Institute of Utrecht university [WI.220002.1.001]
The trend of wildlife habitat fragmentation worldwide continues as a result of anthropogenic activities on development of a linear infrastructure and land use changes, which is often implemented as part of spatial planning policies. In this paper we expand upon an existing approach to design wildlife corridors through habitat quality assessment. We used models of Habitat Quality of Integrated Valuation of Ecosystem Services and Tradeoffs (InVEST) and Corridor Design tools. The habitat quality model of InVEST provides a rapid approach to assess status and change of biodiversity, and can contribute to enhanced corridor design of fragmented wildlife habitat. We conducted an assessment of habitat quality of the RIMBA corridor landscape, which is part of Riau, Jambi and West Sumatra provinces of central Sumatra Island. The result of the habitat quality model was used as the main input to evaluate habitat connectivity and assess the target segment of roads that cross the modelled corridor. We found 20 wildland blocks, the total area of the corridor modelled including wildland blocks was calculated as about 0.77 million hectares. Wehave obtained accurate quantitative measurement of the length of roads crossing the corridor, with a total of 417.78 km (artery 10.31 km; collector 19.52 km; and local 1987.9 km roads). This method can be replicated as an approach in valuing the quality of habitat as part of the implementation of the presidential decree of Sumatra Island Spatial Planning. This may also be applied to the spatial planning of other major islands in Indonesia and elsewhere. (C) 2017 The Authors. Published by Elsevier B.V.
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