Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research)
Online ISSN : 2185-6648
ISSN-L : 2185-6648
Global Environment Engineering Research, Vol.26
THE POSSIBLITY OF APPLYING THE LOCAL ENVIRONMENTAL CERTIFICATION TO REDUCE THE LOAD OF THE NUTRIENT SALT AFFECTTING CORAL REEF ECOSYSTEMS
Yoshikazu MIYAMOTOMasayuki ANDORintaro SUZUKI
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2018 Volume 74 Issue 5 Pages I_203-I_211

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Abstract
 It is necessary to improve suitable the environmental conditions in the sea for coral habitats in order to encourage conservation and rehabilitation of the coral reef ecosystem in crisis of Yaeyama islands. Therefore, the application of the local environmental certification to encourage improvement of business activities such as agriculture, fishery, and tourism industry to reduce the impacts for coral reef ecosystems has been focused. As a part of this purpose, the amount of the load of the nutrient salt as nitrogen and phosphorus from each various stakeholder on the land are analyzed and evaluated quantitatively in this paper. Then, in order to examine the possibility to apply the local environmental certification to the pineapple cultivation, the estimation is conducted with considering three levels of load reduction by local environmental certification of pineapple cultivation which is one of main sources of nutrient salt. As a result, it was found that nutrient salts can be reduced by increasing the number of farmers such as eco farmers and special cultivated agricultural products in Okinawa Prefecture.
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© 2018 Japan Society of Civil Engineers
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