Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Yuichi Akita"'
Autor:
Yuichi Akita
Publikováno v:
Regional Studies in Marine Science. 61:102850
Autor:
Yuichi Akita, Katsunori Tachihara
Publikováno v:
Ichthyological Research. 66:330-339
Indian flathead Platycephalus indicus (Platycephalidae) is an important fishery resource in tropical and subtropical waters. However, there have been few studies of its life history which is important for resource management because of taxonomic conf
Autor:
Yuichi Akita, Amanda S. Ackiss, Mudjekeewis D. Santos, Christopher E. Bird, Katsunori Tachihara, Kent E. Carpenter
Publikováno v:
Ecology and Evolution
Aim Mayr's central‐peripheral population model (CCPM) describes the marked differences between central and peripheral populations in genetic diversity, gene flow, and census size. When isolation leads to genetic divergence, these peripheral populat
Autor:
Yuichi Akita, Akihiko Ebisawa, Taku Sato, Masahiko Koiso, Tamaki Shimose, Koichi Okuzawa, Takahiro Matsubara, Narisato Hirai, Masato Uehara, Sayumi Sawaguchi, Takayuki Takebe, Itaru Ohta, Masato Kobayashi, Tomofumi Yamaguchi, Kazuhisa Teruya, Takeo Kurihara, Rihito Shinoda
Publikováno v:
Marine Ecology Progress Series. 602:225-235
Publikováno v:
Environmental Biology of Fishes. 100:1451-1467
The demography and reproductive biology of three Epinephelus groupers (Serranidae), namely E. polyphekadion, E. tauvina, and E. howlandi in the Yaeyama Islands, Okinawa, were examined based on age assessment using otoliths and gonadal histology. The
Autor:
Katsunori Tachihara, Yuichi Akita
Publikováno v:
Fisheries Science. 80:679-685
Age, growth, maturity, and sex changes of the monogrammed monocle bream Scolopsis monogramma were estimated from ca. 500 specimens collected at Okinawa-jima Island in southern Japan. Age was determined from sectioned otoliths: maximum ages were 10 ye
Publikováno v:
Ichthyological Research. 60:380-385
Epinephelus ongus forms spawning aggregations at specific reef sites at Okinawa. The aim of the present study was to describe the spawning behavior of E. ongus based upon underwater video imagery. Epinephelus ongus spawning is usually paired with cou
Autor:
Yuichi Akita, Narisato Hirai, Masayuki Chimura, Masato Kobayashi, Yuuki Kawabata, Hideaki Yamada, Taku Sato, Atsushi Nanami, Itaru Ohta, Kouki Fukuoka
Publikováno v:
Fisheries Science. 78:809-818
The recruitment patterns of black-spot tuskfish Choerodon schoenleinii were compared with those of orange-dotted tuskfish (OT) C. ancholago. Individuals at the settlement and juvenile stages were collected using a push net in the intertidal zone and
Autor:
Yuichi Akita
Publikováno v:
The Proceedings of the Annual Convention of the Japanese Psychological Association. 75:3AM034-3AM034