Yoshitake TAKADA
Japan Sea National Fisheries Research Institute
Fisheries Research and Education Agency, Japan
Analysis of Ecological Assemblages by R
R codes to analyze diversity, ordination, clutering, and indicator species: move to the analysis page
nMDS ordination of Ecological Assemblages
nMDS ordination and K-medoid clusters of assemblages: move to the analysis page
Calculating Biodiversity Indices
Diversity indices and αβγ diversities: move to the calculation page
Expertise
Ecology of benthic animals, Molluscs, Crustaceans, sandy beaches, coral reefs, coastal environment, multivariate analysis of ecological communities
Recent publications
- Takada, Y., Kajihara, N., Sawada, H., Mochizuki, S., Murakami, T. 2018. Environmental factors affecting benthic invertebrate assemblages on sandy shores along the Japan Sea coast: implications for coastal biogeography. Ecol. Res. 33: 271-281
- Takada, Y., Sakuma, K., Fujii, T., Kojima, S. 2018. Phylogeography of the sandy beach amphipod Haustorioides japonicus along the Sea of Japan: paleogeographical signatures of cryptic regional divergences. Estuar. Coast. Shelf Sci. 200: 19-30
- Tsujino, M., Uchida, M., Tezuka, N., Takada, Y., Abe, S. 2017. Spatial distribution and size composition of free-living marine nematodes on the Mae tidal flat, Hatsukaichi, Hiroshima Bay. Jpn. J. Benthology 72: 1-11 (in Japanese with English abstract)
- Takada Y., Tezuka N. 2016. Biodiversity indices in tidal-flat fisheries. Aquabiology 227: 633-640 (in Japanese with English abstract)
- Takada Y., Uchida M. 2016. Preface: Biodiversity at inshore fisheries. Aquabiology 227: 631-632 (in Japanese with English abstract)
- Takada Y. 2016. Seasonal growth fluctuations of four species of neritid gastropods in an upper mangrove estuary, Ishigaki Island, Japan. Pac. Sci. 70: 463-476
- Yang S., Sassa S., Watanabe K., Takada Y. 2016. Wave-induced changes in species distributions and the role of geoenvironment of sandy beaches. J. Jpn. Soc. Civil Engineers, Ser.B3 (Ocean Enginering) 72: I_1058-I_1062 (in Japanese with English abstract)
- Takada Y., Kajihara N., Iseki T., Yagi Y., Abe S. 2016. Zonation of macrofaunal assemblages on microtidal sandy beaches along the Japan Sea coast of Honshu. Plankton Benthos Res. 11: 17-28
- Takada, Y., Abe, O., Hashimoto, K., Shibuno, T. 2016. Colonization of coral rubble by motile cryptic animals: differences between contiguous versus raised substrates from the bottom. J. Exp. Mar. Biol. Ecol. 475: 62-72
- Masunari, N., Hiro-oku, M., Dan, S., Nanri, T., Kondo, M., Goto, M., Takada, Y., Saigusa, M. 2015. Chela asymmetry in a durophagous crab: predominance of right handedness, and handedness reversal linked with chela size and closing force. J. Exp. Biol. 218: 3658-3670
- Takada, Y. 2015. Morisita's prosperity index revisited. Biodiv. Conserv. 24: 2093-2097
- Takada, Y., Kajihara, N., Mochizuki, S., Murakami, T. 2015. Effects of environmental factors on the density of three species of peracarid crustaceans in micro-tidal sandy shores in Japan. Ecol. Res. 30: 101-109
- Takada, Y., Kajihara, N., Abe, S., Iseki, T., Yagi, Y., Sawada, H., Saito, H., Mochizuki, S., Murakami, T. 2015. Distribution of Donax semigranosus and other bivalves on sandy shore swash zones along the Japan Sea coast of Honshu. Venus 73: 51-64
- Kajihara, N., Takada, Y. 2014. Estimation of the distributional lower limit of gammaridean amphipod Haustorioides japonicus with a simple method of characteristic littoral drift in shoreline of sandy beache. Fish. Engineer. 51: 129-132 (in Japanese with English abstract)
- Ubaldo, J. P., Nanri, T., Takada, Y., Saigusa, M. 2014. Prevalence and patterns of infection by the epicaridean parasite, Gyge ovalis and the emergence of intersex in the estuarine mud shrimp, Upogebia major. J. Mar. Biol. Ass. UK 94: 557-566
- Takada, Y., Ikeda, H., Hirano, Y., Saigusa, M., Hashimoto, K., Abe, O., Shibuno, T. 2014. Assemblages of cryptic animals in coral rubble along an estuarine gradient spanning mangrove, seagrass, and coral reef habitats. Bull. Mar. Sci. 90: 723-740
- Sassa, S., Yang, S., Watabe, Y., Kajihara, N., Takada, Y. 2014. Role of suction in sandy beach habitats and the distributions of three amphipod and isopod species. J. Sea Res. 85: 336-342
- Takada, Y., Kajihara, N., Sassa, S. 2013. Effects of sediment hardness on the upper limit of the distribution of the burrowing amphipod Haustorioides japonicus on sandy shores: a field evaluation. Plankton Benthos Res. 8: 195-198
- Takada, Y., Ito, Y., Hayashi, I. 2013. Swimming ability of juvenile Mactra chinensis by pedal flapping. Venus 71: 199-207
- Sato, T., Yoseda, K., Abe, O., Shibuno, T., Takada, Y., Dan, S., Hamasaki, K. 2013. Growth of the coconut crab Birgus latro estimated from mark-recapture using passive integrated transponder (PIT) tags. Aquat. Biol. 19: 143-152
- Suzuki, Y., Yamahira, K., Kajihara, N., Takada, Y. 2013. Spatial variation in population dynamics of the sand-burrowing amphipod Haustorioides japonicus. Popul. Ecol. 55 : 107-119
- Kogure, Y., Takada, Y. 2012. Analysis of food habit of ghost crab, Ocypode stimpsoni, inhabiting sandy beaches at Niigata city, using carbon and nitrogen stable isotope ratios. Bull. biogeogr. Soc. Japan 67: 163-168 (in Japanese with English abstract)
- Abe, S., Sakanishi, Y., Takada, Y., Kajihara, N. 2012. Japanese consumer's purchase intention of an edible brown alga (Sargassum horneri) harvesting in Niigata Prefecture. Jpn. J. Phyol. 60: 15-20 (in Japanese with English abstract)
- Kong, L., Matsukuma, A., Hayashi, I., Takada, Y., Li, Q. 2012. Taxonomy of Macridiscus species (Bivalvia:Veneridae) from the western Pacific: insight based on molecular evidence, with description of a new species. J. Mollus. Stud. 78: 1-11
- Takada, Y., Abe, O., Shibuno, T. 2012. Variations in cryptic assemblages in coral-rubble interstices at a reef slope in Ishigaki Island. Fisheries Science 78: 91-98
- Takada, Y., Wada, K. 2011. A new record of the tropical ghost crab, Ocypode ceratophthalma (Ocypodidae) from the Japan Sea coast of the Honshu Is. Cancer 20: 5-8 (in Japanese with English abstract)
- Nanri, T., Fukushige, M., Ubald J. P., Kang, B. J., Masunari, N., Takada, Y., Hatakeyama, M., Saigusa, M. 2011. Occurrence of abnormal sexual dimorphic structures in the gonochoristic crustacean, Upogebia major (Thalassinidea: Decapoda), inhabiting mud tidal flats in Japan. J. Mar. Biol. Ass. UK 91: 1049-1057