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Co-Convenors:
Enyuan Fan (China)
Elliott Hazen (USA)
Sei-Ichi Saitoh (Japan)
William Sydeman (USA)
Yutaka Watanuki (Japan)
Invited Speakers:
Hiroto Murase (National Research Institute of Far Seas Fisheries, Japan)
Martin Renner (University of Washington, USA)
Habitat modeling is a powerful tool used to identify key factors affecting the distribution of marine organisms
and underlying mechanisms, to predict optimal fishing grounds, to evaluate human impacts on ecosystems, and to
project distribution shifts in the face of climate change. Given their broad application and utility, evaluation of the
strengths and weakness of various modeling approaches is becoming increasingly important. Environmental data
primarily come from satellite-based SST, SST gradient, SSH, Chl-a and their variation across time, and geographic
features such as shelf breaks. Distribution data are collected from various sources, including ship-based line
transect surveys, animal tracking, fisheries activities (log data, satellite-based fishing light distribution) and hence
contain inevitable biases, including the selection of the survey line and season, tagging location of tracked animals,
sample sizes, and type of the fishing activities. Biases are also inherent in the models being used – Generalized
linear and additive models (GLMs and GAMs), Random Forests, boosted regression approaches, and Maximum
Entropy modeling (MaxEnt). The session will examine factors causing biases, identify the direction of biases,
discuss techniques for mitigating or accounting for biases, and create a best-practices guide for using habitat
modeling approaches to predict the distribution of marine organisms in dynamic marine environments.
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Application of habitat models to highly mobile marine animals – Cetaceans in the North
Pacific as case studies (Invited)
Hiroto Murase, Toshihide Kitakado, Yu Kanaji, Hiroko Sasaki, Yoko Mitani, Koji Matsuoka,
Makoto Okazaki and Naohisa Kanda
[pdf, 2 Mb]
Crossvalidating approaches to modeling habitat and distribution of seabirds at-sea (Invited)
Martin Renner
[pdf, 10 Mb]
Distribution modeling for deep-sea corals and sponges in Alaska
Chris Rooper, Mark Zimmermann, Mike Sigler and Jerry Hoff
[pdf, 1.5 Mb]
Modeling temporal variation in krill "hotspots": Size, intensity, persistence and coherence
with krill predators
Jarrod A. Santora, Jeffrey Dorman and William J. Sydeman
[pdf, 5.5 Mb]
Prediction of zooplankton community Spatial-Temporal patterns in the Chukchi Sea – Case
study using habitat modeling approach
Hiroko Sasaki, Kohei Matsuno, Atsushi Yamaguchi, Yutaka Watanuki and Takashi Kikuchi
[waiting for permission]
Comparison of habitat suitability models for neon flying squid (Ommastrephes bartramii) in
western and central North Pacific
Irene Alabia, Sei-Ichi Saitoh, Hiromichi Igarashi, Yoichi Ishikawa, Norihisa Usui, Masafumi
Kamachi, Awaji Toshiyuki and Masaki Seito
[waiting for permission]
GIS-based potential habitat mapping for Todarodes pacificus (common squid)
Yoon-Kyung Lee, Inhye Park, Sang-Woo Kim, Jong-Kuk Choi, Saro Lee and Joo-Hyung Ryu
[waiting for permission]
Is seabird bycatch rate affected by the seabird distribution? Estimation of seabird
distribution for bycatch risk assessment
Yukiko Inoue, Makoto Okazaki, Maria P. Dias, Cleo Small and Hiroshi Minami
[permission to post denied, contact presenter]
Cassin's Auklet at-sea distribution and exposure to stressors such as ship-source oil pollution
and microplastics
Patrick D. O'Hara, Ken Morgan, Jamie McDevitt-Irwin, Jean-Pierre W. Desforges, Peter S. Ross
and Sean Boyd
[pdf, 4 Mb]
A multi-model ensemble prediction of habitat suitability index (HSI) models for neon flying
squid in central North Pacific by using 3-D ocean data assimilation product
Hiromichi Igarashi, Toshiyuki Awaji, Masafumi Kamachi, Yoichi Ishikawa, Norihisa Usui,
Masaaki Iiyama, Yosuke Onoue, Mitsuo Sakai, Yoshiki Kato, Irene Alabia, Sei-ichi Saitoh and
Masaki Seitoh
[pdf, 3 Mb] |
