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Ambio. 2017 Jun 1. doi: 10.1007/s13280-017-0925-7. [Epub ahead of print]

Ecological dissimilarity among land-use/land-cover types improves a heterogeneity index for predicting biodiversity in agricultural landscapes.

Author information

  • 1Fukushima Branch, National Institute for Environmental Studies, 10-2 Fukasaku, Miharu, Fukushima, 963-7700, Japan. yoshioka.akira@nies.go.jp.
  • 2Center for Environmental Biology and Ecosystem Studies, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki, 305-8506, Japan.
  • 3Department of Animal Ecology and Systematics, Justus Liebig University Giessen, Heinrich-Buff Ring 26-32, Giessen, 35392, Germany.

Abstract

Land-use/land-cover heterogeneity is among the most important factors influencing biodiversity in agricultural landscapes and is the key to the conservation of multi-habitat dwellers that use both terrestrial and aquatic habitats. Heterogeneity indices based on land-use/land-cover maps typically do not integrate ecological dissimilarity between land-use/land-cover types. Here, we applied the concept of functional diversity to an existing land-use/land-cover diversity index (Satoyama index) to incorporate ecological dissimilarity and proposed a new index called the dissimilarity-based Satoyama index (DSI). Using Japan as a case study, we calculated the DSI for three land-use/land-cover maps with different spatial resolutions and derived similarity information from normalized difference vegetation index values. The DSI showed better performance in the prediction of Japanese damselfly species richness than that of the existing index, and a higher correlation between the index and species richness was obtained for higher resolution maps. Thus, our approach to improve the land-use/land-cover diversity index holds promise for future development and can be effective for conservation and monitoring efforts.

KEYWORDS:

Damselfly; NDVI; Proper conditional autoregressive model; Remote sensing; Satoyama

PMID:
28573598
PMCID:
PMC5639797
[Available on 2018-12-01]
DOI:
10.1007/s13280-017-0925-7
[PubMed - as supplied by publisher]
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