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Seasonal Habitat Patterns of Japanese Common Squid (Todarodes Pacificus) Inferred from Satellite-Based Species Distribution Models

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Title: Seasonal Habitat Patterns of Japanese Common Squid (Todarodes Pacificus) Inferred from Satellite-Based Species Distribution Models
Authors: Alabia, Irene D. Browse this author
Dehara, Mariko Browse this author
Saitoh, Sei-Ichi Browse this author →KAKEN DB
Hirawake, Toru Browse this author →KAKEN DB
Keywords: Japanese common squid
Japan Sea
night-time visible imageries
satellite data
potential habitat distribution
species distribution models
Issue Date: Nov-2016
Publisher: MDPI
Journal Title: Remote Sensing
Volume: 8
Issue: 11
Start Page: 921
Publisher DOI: 10.3390/rs8110921
Abstract: The understanding of the spatio-temporal distributions of the species habitat in the marine environment is central to effectual resource management and conservation. Here, we examined the potential habitat distributions of Japanese common squid (Todarodes pacificus) in the Sea of Japan during a four-year period. The seasonal patterns of preferential habitat were inferred from species distribution models, built using squid occurrences detected from night-time visible images and remotely-sensed environmental factors. The predicted squid habitat (i.e., areas with high habitat suitability) revealed strong seasonal variability, characterized by a reduction of potential habitat, confined off of the southern part of the basin during the winter-spring period (December-May). Apparent expansion of preferential habitat occurred during summer-autumn months (June-November), concurrent with the formation of highly suitable habitat patches in certain regions of the Sea of Japan. These habitat distribution patterns were in response to changes in oceanographic conditions and synchronous with seasonal migration of squid. Moreover, the most important variables regulating the spatio-temporal patterns of suitable habitat were sea surface temperature, depth, sea surface height anomaly, and eddy kinetic energy. These variables could affect the habitat distributions through their impacts on growth and survival of squid, local nutrient transport, and the availability of favorable spawning and feeding grounds.
Rights: © 2016 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution License (
Type: article
Appears in Collections:北極域研究センター (Arctic Research Center) > 雑誌発表論文等 (Peer-reviewed Journal Articles,etc)

Submitter: Alabia, Irene D.

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