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http://dx.doi.org/10.5141/ecoenv.2015.028

An integrated approach to tropical and subtropical island conservation  

Yamano, Hiroya (National Institute for Environmental Studies)
Satake, Kiyoshi (National Institute for Environmental Studies)
Inoue, Tomomi (National Institute for Environmental Studies)
Kadoya, Taku (National Institute for Environmental Studies)
Hayashi, Seiji (National Institute for Environmental Studies)
Kinjo, Koichi (Okinawa Prefectural Institute of Health and Environment)
Nakajima, Daisuke (National Institute for Environmental Studies)
Oguma, Hiroyuki (National Institute for Environmental Studies)
Ishiguro, Satoshi (National Institute for Environmental Studies)
Okagawa, Azusa (National Institute for Environmental Studies)
Suga, Shinsuke (National Institute for Environmental Studies)
Horie, Tetsuya (Faculty of Environmental Studies, Nagasaki University)
Nohara, Katsuhito (Hokusei Gakuen University)
Fukayama, Naoko (Tokyo Keizai University)
Hibiki, Akira (National Institute for Environmental Studies)
Publication Information
Journal of Ecology and Environment / v.38, no.2, 2015 , pp. 271-279 More about this Journal
Abstract
After the reversion of Okinawa (Ryukyu Islands) to Japan in 1972, extensive urban and agricultural development resulted in a significant increase in sediment discharge to coastal waters. The release of sediment has caused the degradation of freshwater and coastal ecosystems and biodiversity. A consideration for catchment-to-reef continua, as well as agricultural (socioeconomic) factors is necessary to establish proper land-based management plans for the conservation of the island environment. We have set up a framework to integrate biophysics and socioeconomics: 1) setting a conservation target and threshold, 2) identifying the sources and processes, and 3) examining cost-effectiveness and management priorities. The framework may be applicable to other tropical and subtropical islands with similar characteristics.
Keywords
island conservation; red-soil pollution; coral reef; Ryukyu Islands; Japan;
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