J-GLOBAL         Last updated: Jan 13, 2020 at 14:44
Nagasaki University
Graduate School of Fisheries Science and Environmental Studies
Job title

Research Interests


Research Areas


Academic & Professional Experience

 Professor,Marine Biology and Dynamics,Faculty of Fisheries,Nagasaki University


Graduate School, Division of Natural Science, Kyushu University
Faculty of Science, The University of Tokyo

Committee Memberships

 Journal of Experimental Marine Biology and Ecology, Editorial Board

Published Papers

Semilunar postlarval settlement periodicity ensuing from semilunar larval release cycle in the Nihonotrypaea harmandi (Crustacea, Decapoda, Axiidea, Callianassidae) population on an intertidal sandflat in an open marine coastal embayment
TAMAKI Akio, Jun-ichi Itoh, Seiji Takeuchi, Tetsutaro Takikawa
Population Ecology   in press   2020   [Refereed]
Impact of stingray (Hemitrygon akajei) foraging on a ghost shrimp population (Nihonotrypaea harmandi) on an intertidal sandflat, western Kyushu, Japan
TAMAKI Akio, Kazuyuki Harada, Yoshinobu Sogawa, Seiji Takeuchi
Marine and Freshwater Research   in press   2020   [Refereed]
Application of a fish finder system to spatial distribution mapping for the razor clam Solen gordonis: Case study from coastal waters, nothwestern Kyushu, Japan
Seiji Takeuchi, Takeshi Takamatsu, Saki Nagae, Akio Tamaki
Journal of Sea Research   153 101794   Aug 2019   [Refereed]


Akio Tamaki, Jun Ichi Itoh, Yuichiro Hongo, Seiji Takeuchi, Tetsutaro Takikawa
Journal of Shellfish Research   37 529-570   Aug 2018
© 2018 National Shellfisheries Association. All rights reserved. Many decapod crustaceans inhabiting estuarine and coastal shores with larvae that develop in the coastal ocean release them at nocturnal ebb tides in a semilunar or lunar spring tide...
Seiji Takeuchi, Kota Suzuki, Taishi Nakagawa, Akio Tamaki
Journal of Sea Research   138 8-18   Aug 2018
© 2018 Elsevier B.V. The infaunal clam Ruditapes philippinarum exhibits highly polymorphic shell coloration, but the function of the coloration remains uncertain. Here, a hypothesis that such shell coloration functions to enhance visual crypsis (i...
Yu Umezawa, Yu Umezawa, Akio Tamaki, Toshikazu Suzuki, Seiji Takeuchi, Chikage Yoshimizu, Ichiro Tayasu
Marine Ecology Progress Series   592 141-158   Mar 2018
© Inter-Research 2018. The field diet of meroplanktonic decapod crustacean larvae is poorly known, despite standard use of microzooplankton as food in laboratory culture. Using callianassid shrimp Nihonotrypaea harmandi larvae collected from a 65 ...
Akio Tamaki, Takumi Kagesawa, Seiji Takeuchi, Hirofumi Ohashi, Soonbo Yang, Shinji Sassa
Marine Biology   165    Feb 2018
© 2018, Springer-Verlag GmbH Germany, part of Springer Nature. Species of the free-burrowing amphipod genus, Urothoe, are common on open sandy beaches. On intertidal sandflats, some species are associated with burrows or tubes of large infauna. Ho...
Akio Tamaki, Takumi Kagesawa, Seiji Takeuchi, Shinji Sassa
Acta Zoologica      Jan 2018
© 2018 The Royal Swedish Academy of Sciences. Species of the gammaridean amphipod genus, Urothoe, commonly occur on intertidal and shallow subtidal sandy bottoms. Sexual dimorphism is reported for some species of Urothoe, but the descriptions are ...
Seiji Takeuchi, Yuji Ishii, Kazuma Yoshikoshi, Takeshi Takamasu, Saki Nagae, Akio Tamaki
Journal of Shellfish Research   36 577-584   Dec 2017
Razor clams Solen gordonis are commercially harvested during early January to late April in Sasebo Bay, Kyushu, Japan. The fishery has substantial impact on the population because of noncatch mortality being roughly equal to fishing mortality; nev...
Rei Somiya, Akio Tamaki
Journal of Experimental Marine Biology and Ecology   486 305-313   Jan 2017
© 2016 Elsevier B.V. Mating behaviors and mating systems in decapod crustaceans have attracted significant attentions. Dendrobranchiata and several infraorders of Pleocyemata (Caridea, Achelata, Astacidea, Anomura, and Brachyura) are the focal tax...
Seiji Takeuchi, Yuina Suzuki, Takeshi Takamasu, Hidetoshi Isomoto, Akio Tamaki
Journal of Shellfish Research   35 785-799   Dec 2016
In Sasebo Bay, northwestern Kyushu, Japan, the population of the razor clam Solen gordonis inhabits a coarse sandy substratum at 5- to 20-m water depths. A bundle of long metal rods with cone-shaped tips is used to vertically pierce and harvest cl...
Akio Tamaki, Seiji Takeuchi
Journal of Shellfish Research   35 921-967   Dec 2016
For marine benthos with planktonic larval stages, demographic metapopulation and empirical metacommunity studies are scarce. Asink nature was shown for a local intertidal sandflat population of the gastropod Umbonium moniliferumin an estuarine to ...
Minoru Wada, Tatsuyuki Urakawa, Akio Tamaki
Gene   576 657-666   Feb 2016
© 2015 Elsevier B.V. Callianassid (ghost) shrimp has been claimed as an ecosystem engineer, as it is one of the most powerful bioturbating macrobenthos in intertidal sandflats. However, our knowledge about the relationship between areal distributi...
Seiji Takeuchi, Fumihiko Yamada, Hajime Shirozu, Satoshi Ohashi, Akio Tamaki
Journal of Experimental Marine Biology and Ecology   466 9-23   May 2015
© 2015 Elsevier B.V. Previous research has shown that on an extensive intertidal sandflat in Ariake Sound, Kyushu, Japan, the populations of two powerful bioturbating shrimp species, Upogebia major and Nihonotrypaea japonica, formerly predominated...
Seiji Takeuchi, Akio Tamaki
Continental Shelf Research   84 139-157   Aug 2014
One notable type of bioturbation in marine soft sediments involves the excavation of large pits and displacement of sediment associated with predator foraging for infaunal benthos. Batoids are among the most powerful excavators, yet their impact o...
Yukitaka Sugihara, Toshiyuki Yamada, Akio Tamaki, Ryohei Yamanishi, Kinya Kanai
Parasitology International   63 295-299   Apr 2014
We found aporocotylid larval stages (sporocysts and cercariae) from five individuals of terebellid polychaete Terebella sp., which were collected from seabed substrate and ropes and floats attached to tuna cages in a tuna farm on the coast of Tsus...
Gary C.B. Poore, Gary C.B. Poore, Shane T. Ahyong, Shane T. Ahyong, Heather D. Bracken-Grissom, Tin Yam Chan, Ka H. Chu, Keith A. Crandall, Keith A. Crandall, Peter C. Dworschak, Darryl L. Felder, Rodney M. Feldmann, Matúš Hyžný, Matúš Hyžný, Hiroaki Karasawa, Rafael Lemaitre, Tomoyuki Komai, Xinzheng Li, Fernando L. Mantelatto, Joelw Martin, Nguyen Ngoc-Ho, Rafael Robles, Rafael Robles, Carrie E. Schweitzer, Akio Tamaki, Lingm Tsang, Christopher C. Tudge, Christopher C. Tudge
Crustaceana   87 1258-1272   Jan 2014
© Copyright 2014 by Koninklijke Brill NV, Leiden, The Netherlands. The names Gebiidea and Axiidea, erected by de Saint Laurent (1979), have priority over others for the two infraorders of shrimps previously included in Thalassinidea. Importantly, ...
Rei Somiya, Toshikazu Suzuki, Akio Tamaki
Journal of Crustacean Biology   34 300-308   Jan 2014
To infer diet and feeding mode of zoea of Nihonotrypæa harmandi (Bouvier, 1901), fine functional morphology of the mouthparts and composition of undigested remnants of ingested prey organisms contained in the gut were investigated. A mesh-like str...
Seiji Takeuchi, Yusuke Takahara, Yoshihiro Agata, Juhn Nasuda, Fumihiko Yamada, Akio Tamaki
Journal of Experimental Marine Biology and Ecology   448 308-320   Oct 2013
On a 3.4-km2intertidal sandflat in Ariake Sound, Japan, four phytoplankton-feeders were dominant in the benthic community in terms of abundance and biomass in spring-summer, 2004: ghost shrimp, Nihonotrypaea japonica, mud shrimp, Upogebia major, a...
Akio Tamaki, Yuko Saitoh, Yuko Saitoh, Jun Ichi Itoh, Yuichiro Hongo, Shun Suke Sen-ju, Seiji Takeuchi, Satoshi Ohashi
Journal of Experimental Marine Biology and Ecology   443 90-113   May 2013
Some decapod crustaceans release larvae from estuarine or coastal shores to coastal oceans. Decapodids (last-stage larvae) return home, settle, and metamorphose into juveniles I, which go through further instars. Several morphological characters d...
Setuo Kiyomoto, Masanori Tagawa, Yoshiyuki Nakamura, Toyomitsu Horii, Shouichi Watanabe, Takashi Tozawa, Kousuke Yatsuya, Taku Yoshimura, Akio Tamaki
Journal of Shellfish Research   32 51-58   Apr 2013
Because abalone feed mainly on macroalgae, the disappearance of macroalgal beds would have negative effects on abalone. We investigated the relationship between abalone resources and quantitative or qualitative changes of algal beds in coastal wat...
F. Yamada, A. Tamaki, Y. Obara
Advances in Computed Tomography for Geomaterials: GeoX 2010   343-351   Jan 2013
An industrial x-ray computed tomography (CT) scanner was used to investigate the time-space evolutions of vertical sediment structures in an intertidal flat with non-destructive conditions, at the mouth of the Shirakawa river, Japan. Seasonal sedi...
Tadashi Nakano, Juhn Nasuda, Yoshihiro Agata, Tatsuya Yurimoto, Yukio Maeno, Yasuo Nakamura, Fumihiko Yamada, Akio Tamaki
Molluscan Research   32 159-176   Sep 2012
Mactra veneriformis occurs commonly on estuarine tidal flats in temperate East Asia. Based on population sampling and recording of environmental variables over an extensive sandflat at a river mouth in Ariake Sound, southern Japan for 39 months, s...
F. Yamada, N. Kobayashi, Y. Shirakawa, Y. Watabe, S. Sassa, A. Tamaki
Journal of Waterway, Port, Coastal and Ocean Engineering   138(2) 172-180   Mar 2012
Fine-grained sediment budgets based on the monthly bed level and net sediment flux monitoring from October 2006 to October 2007 are estimated to examine the relative contributions of tides and river discharge to mud transport on an intertidal flat...
Yasuo Nakamura, Tadashi Nakano, Tatsuya Yurimoto, Yukio Maeno, Takayoshi Koizumi, Akio Tamaki
Fisheries Science   76(6) 931-941   Oct 2010
We assessed the reproductive cycle of the venerid clam Meretrix lusoria by histological analysis of the gonads. Individuals for study were collected from natural populations on the Shirakawa tidal flat, Ariake Sound, and from populations that had ...
Sumit Mandal, Akio Tamaki, Satoshi Ohashi, Seiji Takeuchi, Yoshihiro Agata, Yusuke Takahara, Kazuyuki Harada, Fumihiko Yamada
Journal of Experimental Marine Biology and Ecology   389(1-2) 18-37   Jan 2010
In macrobenthos with meroplanktonic larvae, larval settlement and recruitment are two crucial processes for population cohort formation, yet only a few studies have given explicit definitions for newly settled and recruited juveniles (settlers and...
Akio Tamaki, Sumit Mandal, Yoshihiro Agata, Ikumi Aoki, Toshikazu Suzuki, Hisao Kanehara, Takashi Aoshima, Yasushi Fukuda, Hideshi Tsukamoto, Tetsuo Yanagi
Estuarine, Coastal and Shelf Science   86(1) 125-136   Jan 2010
The position of meroplanktonic larvae in the water column with depth-dependent current velocities determines horizontal transport trajectories. For those larvae occurring in inner shelf waters, little is known about how combined diel and tidally-s...
Fumihiko Yamada, Nobuhisa Kobayashi, Yoshihiro Sakanishi, Akio Tamaki
Journal of Coastal Research   25(2) 350-358   Mar 2009
The water depth, flow velocity, salinity, and suspended sediment concentration on an intertidal mudflat in the vicinity of a river mouth were measured for 564 wet cycles from July 2004 to October 2005. The measured time series were analyzed using ...
Akio Tamaki, Ayumi Nakaoka, Hideki Maekawa, Fumihiko Yamada
Estuarine, Coastal and Shelf Science   78 727-738   Jul 2008
The fishery yield of Manila clams, Ruditapes philippinarum, increased considerably in the 1970s but has decreased rapidly since the middle 1980s on extensive intertidal sand flats in Ariake Sound (Kyushu, Japan). A survey conducted in 2004 on a 3....
Katsumasa Shimoda, Yosuke Aramaki, Jun Nasuda, Hisashi Yokoyama, Yuka Ishihi, Akio Tamaki
Journal of Experimental Marine Biology and Ecology   342 292-312   Apr 2007
Three species of the callianassid genus Nihonotrypaea occur intertidally in the Ariake Sound estuarine system, southern Japan; they consist of two sandflat species (N. japonica; N. harmandi) and one boulder-beach species (N. petalura). Nihonotrypa...
Wataru Fujiie, Tetsuo Yanagi, Akio Tamaki
Mer   44 67-84   May 2006
In Tachibana Bay and the outermost one-third of Ariake Sound, western Kyushu, Japan, there are a number of intertidal sandflats inhabited by the ghost shrimp Nihonotrypaea harmandi (Decapoda: Thalassinidea: Callianassidae). An intertidal sandflat ...
K. Kubo, K. Shimoda, A. Tamaki
Journal of the Marine Biological Association of the United Kingdom   86 103-111   Feb 2006
Three species of the callianassid genus Nihonotrypaea occur in the Ariake Sound estuarine system, southern Japan; they consist of two tidal-flat species (N. harmandi; N. japonica) and one boulder-beach species (N. petalura), with maximum populatio...
Hisashi Yokoyama, Akio Tamaki, Kazuki Koyama, Yuka Ishihi, Katsumasa Shimoda, Kazuyuki Harada
Marine Ecology Progress Series   304 101-116   Dec 2005
To delineate a soft-shore trophic structure, macrobenthos was collected from an intertidal sandflat at the mouth of the Shirakawa River in the central part of Ariake Sound, Kyushu, Japan, on 3 occasions in 2003 (January, March, and June to July du...
Hisashi Yokoyama, Akio Tamaki, Kazuyuki Harada, Katsumasa Shimoda, Kazuki Koyama, Yuka Ishihi
Marine Ecology Progress Series   296 115-128   Jul 2005
Juveniles of bivalves Mactra veneriformis and Ruditapes philippinarum, and ghost shrimps Nihonotrypaea japonica and N. harmandi were reared on a microalga of a constant isotopic value to quantify their diet-tissue isotopic fractionation. The weigh...
K. Shimoda, Y. Wardiatno, K. Kubo, A. Tamaki
Marine Biology   146 543-557   Feb 2005
Decapod callianassid shrimps are usually solitary occupants of their burrows. They are known to show distinct sexual dimorphism of the major cheliped, which is used as a weapon for intraspecific fighting. Three species of Nihonotrypaea occur in an...
Y. Nakamura, K. Hashizume, K. Koyama, A. Tamaki
Journal of Shellfish Research   24 1053-1059   Jan 2005
Mactra veneriformis, Ruditapes philippinarum, and Meretrix lusoria are dominant clams in Japanese tidal flats. Juveniles and adults of these species were reared in the laboratory and the effects of salinity on their sand burrowing activity and gro...
Effect of salinity on sand burrowing activity, feeding and growth of the clams Mactra veneriformis, Ruditapes philippinarum and Meretrix lusoria
24 1053-1060   2005
Alongshore configuration and size of local poulations of the callianassid shrimp Nihonotrypaea harmandi (Bouvier, 1901) (Decapoda: Thalassinidea) in the Ariake-Sound estuarine system, Kyushu, Japan
34 65-86   2005
Experimentally determined diet-tissue isotopic fractionation and the estimation of food sources for macrobenthos on an intertidal sandflat, Ariake Sound
1 67-71   2005
Embryonic and larval development of the trochid gastropod Umbonium moniliferum reared in the laboratory
63 135-143   2005
K. Shimoda, A. Tamaki
Marine Biology   144 723-734   Apr 2004
The callianassid shrimp Nihonotrypaea petalura (Stimpson, 1860) is a common member on boulder beaches in Japanese waters. Its burrow morphology was investigated, based on 28 resin casts collected from a steeply sloping beach with dense boulders an...
Ghost shrimps, snails, and clams on intertidal sandflats in the Ariake Sound estuarine system: seeking for unified perspectives on their population explosions and declines
1 87-94   2004
Assessment of the predation impact of the stingray Dasyatis akajei (Muller & Henle, 1841) on the population of the ghostshrimp Nihonotrypaea harmandi (Bouvier, 1901) on an intertidal sandflat (preliminary report)
1 81-86   2004
The recruitment of Nihonotrypaea harmandi in Ariake Sound, Japan
1 77-80   2004
Burrow morphology of Nihonotrypaea petalura (Stimpson, 1860) (Decapoda: Thalassinidea: Callianassidae)
1 23-32   2004
Ecology of large bioturbators in tidal flats and shallow sublittoral sediments - from individual behavior to their role as ecosystem engineers
0 1-118   2004
Akio Tamaki
Bulletin of the Plankton Society of Japan   50 41-47   May 2003
It has long been recognized that for the community organization of marine benthic invertebrates, processes during pelagic larval stages, mostly lasting for several weeks, are important as well as processes during benthic stages. However, such reco...
A rebuttal to Sakai (2001), "A review of the common Japanese callianassid species, Callianassa japonica and C. petalura (Decapoda, Thalassinidea)
76 115-124   2003
Hiroshi Kimura, Kazuyuki Harada, Kenji Hara, Akio Tamaki
Marine Ecology   23 157-183   Aug 2002
In the callianassid shrimp Nihonotrypaea harmandi (Bouvier 1901), the trichomycete fungus Enteromyces callianassae Lichtwardt 1961 occurs exclusively on the foregut lining. The enzymes from both the shrimp and the fungus apparently hydrolyze certa...
Effects of predation and disturbance by stingrays on the ghost shrimp population on an intertidal sandflat (preliminary report)
1 277-280   2002
Y. Wardiatno, A. Tamaki
Journal of Crustacean Biology   21(4) 1042-1048   Jan 2001
For two callianassid shrimps, Nihonotrypaea japonica (Ortmann) and N. harmandi (Bouvier), morphometric character variations [carapace length (CL), eyestalk width (EsW), cornea width (COW), and rostrum angle (RA)] were examined based on the materia...
Akio Tamaki, Shin Miyabe
Journal of Crustacean Biology   20(Special 2) 182-191   Jun 2000
Based on plankton samples collected from an estuarine system in western Kyushu, Japan, in summer, 1998, larval abundance patterns for three species of Nihonotrypaea were examined in relation to the intertidal habitats of adults [N. japonica - sand...
Shin Miyabe, Akio Tamaki
Journal of Crustacean Biology   20(Special 2) 182-191   Jan 2000
© 2000 by Koninklijke Brill NV, Leiden, The Netherlands. Based on plankton samples collected from an estuarine system in western Kyushu, Japan, in summer, I 998, larval abundance patterns for three species of Nihonotrypaea were examined in relatio...
Hidetoshi Saito, Akio Tamaki, Minoru Imajima
Journal of Natural History   34(11) 2019-2043   Jan 2000
Armandia amakusaensis sp. nov. (Polychaeta: Opheliidae) is described from an intertidal sandflat in western Kyushu, Japan. The holotype measures 13.14 mm in total body length, and has 32 setigers, with branchiae on setigers 2–31. Eleven pairs of l...
Raymond B. Manning, Raymond B. Manning, Akio Tamaki
Proceedings of the Biological Society of Washington   111 889-892   Dec 1999
A new genus, Nihonotrypaea, is recognized for three species from Japan formerly assigned to Callianassa sensu lato: N. japonica (Ortmann, 1891), the type species; N. harmandi (Bouvier, 1901); and N. petalura (Stimpson, 1860).
T. Matsuno, M. Shigeoka, A. Tamaki, T. Nagata, K. Nishimura
Journal of Oceanography   55(4) 515-529   Aug 1999
We have investigated the water mass distribution and circulation in Tachibana Bay, which is located in the junction area between Ari-ake Sound and Amakusa-Nada in western Kyushu, Japan. This was done to clarify the mechanism by which ghost shrimp ...
Burrow morphology of two callianassid shrimps, Callianassa japonica Ortmann、1891 and Callianassa sp. (=C. japonica : de Man, 1928)(Decapoda : Thalassinidea)
27(1) 28-39   1998
A new genus of ghost shrimp from Japan (Crustacea : Decapoda : Callianassidae)
111(4) 889-892   1998
The complete larval development of the ghost shrimp, Callianassa japonica Ortmann, 1891 (Decapoda: Thalassinidea: Callianassidae), reared in the laboatory
27 101-121   1998
A. Tamaki, B. Ingole, K. Ikebe, K. Muramatsu, M. Taka, M. Tanaka
Journal of Experimental Marine Biology and Ecology   210(2) 223-250   Mar 1997
Growth, density, survival, and reproduction were examined for the population of the ghost shrimp. Callianaasa japonica Oftmann, inhabiting all intertidal sandflat in western Kyushu, Japan, based on samples collected from May, 1989 to April, 1991. ...
Life history and zonation dynamics of the cirolanid isopod, Eurydice nipponica Bruce & Jones, on an interfidal sandflat in western Kyushu, Japan
26(1) 83-102   1997
Akio Tamaki, Hirotaka Tanoue, Junichi Itoh, Yasushi Fukuda
Journal of the Marine Biological Association of the United Kingdom   76(3) 675-689   Aug 1996
Estimations of the brooding and larval developmental periods of the callianassid ghost shrimp, Callianassa japonica Ortmann (Decapoda: Thalassinidea), under field conditions, were made on an intertidal sandflat in western Kyushu, Japan, during the...
Akio Tamaki
Researches on Population Ecology   36(2) 225-236   Dec 1994
On an intertidal sandflat in western Kyushu, Japan in 1979, the trochid gastropod, Umbonium (Suchium) moniliferum (Lamarck), and the thalassinidean ghost shrimp, Callianassa japonica Ortmann, densely inhabited the lower and upper zones, respectvel...
A. Tamaki, B. Ingole
Journal of Crustacean Biology   13(1) 175-183   Jan 1993
On an intertidal sand flat in W Kyushu, Japan, adults of Callianassa japonica inhabited the upper tidal zone in 1979. Their distribution later expanded greatly to occupy almost the entire sand flat by 1983, the situation remaining unchanged until ...
Characteristics of species interactions of macrobenthos in tidal flats : a summary with a perspective
4124(1) 27-41   1993
Utilization of adult burrows by juveniles of the ghost shrimp Callianassa japonica Ortmann : evidence from resin casts of burrows
21(1) 113-120   1992
Abundance pattern of the ghost shrimp Callianassa japonica Ortmann and the snake eel Pisodonophis cancrivorus (Richardson) and their possible interaction on an intertidal sand flat
43 11-22   1992
Akio Tamaki, Kenji Suzukawa
Ecological Research   6(1) 87-100   Apr 1991
On a moderately protected intertidal sand flat in west Kyushu, Japan, most of the population of the cirolanid isopod Eurydice nipponica Bruce & Jones (89%-100%) was found in the zones occupied by the thalassinidean ghost shrimp Callianassa japonic...
Akio Tamaki
Journal of Experimental Marine Biology and Ecology   120 81-95   Aug 1988
From previous observations on the abundance pattern of the deposit-feeding mobile polychaete Armandia sp. relative to the ghost shrimp Callianassa japonica Ortmann on an intertidal sand flat in western Kyushu, Japan, it was suggested that the migr...
Effects of the bioturbating activity of the ghost shrimp Callianassa japonica Ortmann on an intertidal sand flat
120(1) 81-95   1988
Comparison of resistivity to transport by wave action in several polychaete species on an intertidal sand flat
37(2/3) 181-189   1987
A. Tamaki
Japanese Journal of Ecology   36 55-68   Jan 1986
Species interactions such as reduced competition through partition of resources, inhibition of larval recruitment by established adults, strong competition between adults, and promotive effects on small-sized organisms by large-sized bioturbating ...
Akio Tamaki
Journal of Experimental Marine Biology and Ecology   90(3) 277-287   Aug 1985
The presence or absence of intraspecific interference was tested in the deposit-feeding, mobile polychaete Armandia sp. (Opheliidae) in the laboratory. The experimental system was constructed on the basis of a mathematical model for the diffusion ...
Akio Tamaki
Journal of Experimental Marine Biology and Ecology   87(1) 277-287   Apr 1985
Inhibition of larval settlement by a dense assemblage of established adults was examined by observing natural and experimental abundance patterns of two polychaete species on an intertidal sand flat in west Kyushu, Japan. A cage left for 43 days i...
Zonation by size in the Armandia sp. (Polychaeta : Opheliidae) populaton on an intertidal sand flat
27(1/2) 123-133   1985
Structural characteristics of an intertidal sand flat in Tomioka Bay, Amakusa, west Kyushu
7(2) 125-150   1984
Spatial arrangement of macrobenthic assemblages on an intertidal sand flat, Tomioka Bay, west Kyushu
7(1) 41-60   1983

Books etc

Assessment of time-space evolutions of intertidal flat geo-environments using X-ray CT scanner, In: Alshibli, K.A. and Reed, A.H. (eds.), Advances in Computed Tomography for Geomaterials, pp. 343-351
Wiley InterScience   2010   

Conference Activities & Talks

Rapid collapse of ghost shrimp and mud shrimp populations on an extensive intertidal sandflat


Taxonomic revision of three callianassid shrimps, genus┣DBNihonotrypaea(/)-┫DB

Research Grants & Projects

Dynamics of benthic community on intertidal flats
Grant-in-Aid for Scientific Research
Project Year: 1979   
Ecological and taxonomic study on ghost shrimp (Decapoda: Thalassinidea: Callianassidae)
Grant-in-Aid for Scientific Research
Project Year: 1989   
Dispersal and recruitment processes in larval stages of benthos
Grant-in-Aid for Scientific Research
Project Year: 1992   
Bivalve resource dynamics on intertidal sandflats in Ariake Sound
Funded Research
Project Year: 2005