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Open AccessArticle

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

by 1,2,*, 1,† and 1,†
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
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Wolfgang Kainz
ISPRS Int. J. Geo-Inf. 2015, 4(2), 900-927; https://doi.org/10.3390/ijgi4020900
Received: 13 February 2015 / Revised: 14 April 2015 / Accepted: 12 May 2015 / Published: 26 May 2015
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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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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