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ISPRS Int. J. Geo-Inf. 2015, 4(2), 900-927; doi:10.3390/ijgi4020900

Mapping the Socio-Economic and Ecological Resilience of Japanese Coral Reefscapes across a Decade

1
Department of Mechanical and Environmental Informatics, Tokyo Institute of Technology, Tokyo 152-8552, Japan
2
Department of Life and Earth Sciences, Ecole Pratique des Hautes Etudes, Dinard 35800, France
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Wolfgang Kainz
Received: 13 February 2015 / Revised: 14 April 2015 / Accepted: 12 May 2015 / Published: 26 May 2015
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Abstract

Shallow coral reefs threatened by climate change must be spatio-temporally analyzed in terms of their protection of coastal human populations. This study combines Japanese spatio-temporal gradients of population/asset and coral buffering exposure to stress-inducing and stress-mitigating factors so that the socio-economic and ecological (SEE) resilience tied to coral reefscapes can be regionally mapped (1200 km) at a fine resolution (1 arcsec) over a decade (11 years). Fuzzy logic was employed to associated environmental factors based on the related population/asset/coral buffering responses, as found in the literature. Once the factors were weighted according to their resilience contributions, temporally static patterns were evident: (1) a negative correlation occurs between coral buffering resilience and latitude; (2) the least resilient islands are low-lying, deprived of wide reef barriers, and located on the eastern and southern boundaries of the Nansei archipelago; (3) the southwestern-most, middle and northeastern-most islands have the same SEE resilience; and (4) Sekisei Lagoon islands have a very high coral buffering resilience. To overcome uncertainty, future studies should focus on the socio-ecological adaptive capacity, fine-scale ecological processes (such as coral and fish functional groups) and the prediction of the flood risks in the coming decades. View Full-Text
Keywords: coastal mapping; socio-economic and ecological system; resilience; coral reefs; spatio-temporal; high resolution coastal mapping; socio-economic and ecological system; resilience; coral reefs; spatio-temporal; high resolution
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Collin, A.; Nadaoka, K.; Bernardo, L. Mapping the Socio-Economic and Ecological Resilience of Japanese Coral Reefscapes across a Decade. ISPRS Int. J. Geo-Inf. 2015, 4, 900-927.

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