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Junichi Okuyama
Junichi Okuyama
Fisheries Technology Institute, Japan Fisheries Research and Education Agency
Zweryfikowany adres z fra.go.jp - Strona główna
Tytuł
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Population genetic structure and implications for natal philopatry of nesting green turtles Chelonia mydas in the Yaeyama Islands, Japan
H Nishizawa, O Abe, J Okuyama, M Kobayashi, N Arai
Endangered Species Research 14 (2), 141-148, 2011
622011
Composition of green turtle feeding aggregations along the Japanese archipelago: implications for changes in composition with current flow
H Nishizawa, Y Naito, H Suganuma, O Abe, J Okuyama, K Hirate, ...
Marine biology 160, 2671-2685, 2013
582013
Ontogeny of the dispersal migration of green turtle (Chelonia mydas) hatchlings
J Okuyama, O Abe, H Nishizawa, M Kobayashi, K Yoseda, N Arai
Journal of Experimental Marine Biology and Ecology 379 (1-2), 43-50, 2009
58*2009
Wild versus head-started hawksbill turtles Eretmochelys imbricata: post-release behavior and feeding adaptions
J Okuyama, T Shimizu, O Abe, K Yoseda, N Arai
Endangered Species Research 10, 181-190, 2010
502010
Preliminary study on homing, site fidelity, and diel movement of black rockfish Sebastes inermis measured by acoustic telemetry
H Mitamura, K Uchida, Y Miyamoto, N Arai, T Kakihara, T Yokota, ...
Fisheries Science 75, 1133-1140, 2009
472009
Trans-Pacific dispersal of loggerhead turtle hatchlings inferred from numerical simulation modeling
J Okuyama, T Kitagawa, K Zenimoto, S Kimura, N Arai, Y Sasai, H Sasaki
Marine Biology 158, 2055-2063, 2011
442011
Comparative phylogeny and historical perspectives on population genetics of the Pacific hawksbill (Eretmochelys imbricata) and green turtles (Chelonia mydas), inferred from …
H Nishizawa, J Okuyama, M Kobayashi, O Abe, N Arai
Zoological Science 27 (1), 14-18, 2010
412010
Monitoring beak movements with an acceleration datalogger: a useful technique for assessing the feeding and breathing behaviors of sea turtles
J Okuyama, Y Kawabata, Y Naito, N Arai, M Kobayashi
Endangered Species Research 10, 39-45, 2009
402009
Post-release movement and diel activity patterns of hatchery-reared and wild black-spot tuskfish Choerodon schoenleinii determined by ultrasonic telemetry
Y Kawabata, J Okuyama, H Mitamura, K Asami, K Yoseda, N Arai
Fisheries Science 73, 1147-1154, 2007
332007
Monitoring attitude and dynamic acceleration of free-moving aquatic animals using a gyroscope
T Noda, J Okuyama, T Koizumi, N Arai, M Kobayashi
Aquatic Biology 16 (3), 265-276, 2012
322012
Spawning aggregation of white-streaked grouper Epinephelus ongus: spatial distribution and annual variation in the fish density within a spawning ground
A Nanami, T Sato, Y Kawabata, J Okuyama
PeerJ 5, e3000, 2017
302017
Ethogram of immature green turtles: behavioral strategies for somatic growth in large marine herbivores
J Okuyama, K Nakajima, T Noda, S Kimura, H Kamihata, M Kobayashi, ...
PLoS One 8 (6), e65783, 2013
292013
The regularity of dive performance in sea turtles: a new perspective from precise activity data
J Okuyama, K Kataoka, M Kobayashi, O Abe, K Yoseda, N Arai
Animal Behaviour 84 (2), 349-359, 2012
282012
Decision tree classification of behaviors in the nesting process of green turtles (Chelonia mydas) from tri-axial acceleration data
H Nishizawa, T Noda, T Yasuda, J Okuyama, N Arai, M Kobayashi
Journal of ethology 31, 315-322, 2013
272013
Surfacers change their dive tactics depending on the aim of the dive: evidence from simultaneous measurements of breaths and energy expenditure
J Okuyama, R Tabata, K Nakajima, N Arai, M Kobayashi, S Kagawa
Proceedings of the Royal Society B: Biological Sciences 281 (1795), 20140040, 2014
262014
The post‐release process of establishing stable home ranges and diel movement patterns of hatchery‐reared black‐spot tuskfish Choerodon schoenleinii
Y Kawabata, J Okuyama, K Asami, K Yoseda, N Arai
Journal of Fish Biology 73 (7), 1770-1782, 2008
242008
Changes in dive patterns of leatherback turtles with sea surface temperature and potential foraging habitats
J Okuyama, SR Benson, PH Dutton, JA Seminoff
Ecosphere 12 (2), e03365, 2021
192021
Effects of a tropical cyclone on the distribution of hatchery‐reared black‐spot tuskfish Choerodon schoenleinii determined by acoustic telemetry
Y Kawabata, J Okuyama, K Asami, K Okuzawa, K Yoseda, N Arai
Journal of Fish Biology 77 (3), 627-642, 2010
192010
Latitudinal cline in the foraging dichotomy of loggerhead sea turtles reveals the importance of East China Sea for priority conservation
J Okuyama, A Watabe, S Takuma, K Tanaka, K Shirai, ...
Diversity and Distributions 28 (8), 1568-1581, 2022
152022
Heart rate and cardiac response to exercise during voluntary dives in captive sea turtles (Cheloniidae)
J Okuyama, M Shiozawa, D Shiode
Biology open 9 (2), bio049247, 2020
152020
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