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1

Environmental gradients determining the distribution of benthic macroinvertebrates in Lake Takkobu, Kushiro wetland, northern Japan

Noriko Takamura, Tomiko Ito, Ryuhei Ueno, Akifumi Ohtaka, Isamu Wakana, Megumi Nakagawa, Youichi Ueno, Hirotsugu Nakajima

Journal:

Ecological Research

Year:

2009

Language:

english

File:

PDF, 380 KB

english, 2009

2

Redescription ofPiguetiella denticulata(Annelida, Clitellata, Naididae) from Japan and the Russian Far East, with a description of the genital organs in the species

Chiharu Sato, Akifumi Ohtaka

Journal:

Year:

2012

Language:

english

File:

PDF, 315 KB

english, 2012

3

Structure and abundance of “interrhizon” invertebrates in an oxbow lake in the peat swamp area of Central Kalimantan, Indonesia

Ohtaka, Akifumi, Uenishi, Makoto, Wulandari, Linda, Liwat, Yulintine, Ardianor,, Gumiri, Sulmin, Nagasaka, Masao, Fukuhara, Haruo

Journal:

Year:

2014

Language:

english

File:

PDF, 220 KB

english, 2014

4

The first record of the ectosymbiotic branchiobdellidanHoltodrilus truncatus(Annelida, Clitellata) and on the freshwater shrimpNeocaridina denticulata denticulata(Caridea, Atyidae) in Japan

Nobuaki NIWA, Jun OHTOMI, Akifumi OHTAKA, Stuart R. GELDER

Journal:

Fisheries Science

Year:

2005

Language:

english

File:

PDF, 79 KB

english, 2005

5

Freshwater Cladocera (Crustacea, Branchiopoda) in Lake Tonle Sap and its adjacent waters in Cambodia

Susumu Tanaka, Akifumi Ohtaka

Journal:

Year:

2010

Language:

english

File:

PDF, 623 KB

english, 2010

6

Studies on the aquatic oligochaete fauna in Lake Biwa, central Japan. II. Records and taxonomic remarks of nine species

Akifumi Ohtaka, Machiko Nishino

Journal:

Year:

1999

Language:

english

File:

PDF, 710 KB

english, 1999

7

Profundal oligochaete faunas (Annelida, Clitellata) in Japanese lakes

OHTAKA, AKIFUMI

Journal:

Year:

2014

Language:

english

File:

PDF, 1.90 MB

english, 2014

8

Long-anticipated new records of an ectosymbiotic branchiobdellidan and an ostracod on the North American red swamp crayfish, Procambarus clarkii (Girard, 1852) from an urban stream in Tokyo, Japan

Ohtaka, Akifumi, Gelder, Stuart R., Smith, Robin J.

Journal:

Plankton and Benthos Research

Year:

2017

Language:

english

File:

PDF, 532 KB

english, 2017

9

Vertical distribution of invertebrates in red snow (Akashibo) at Ozegahara mire, Central Japan

Fukuhara, Haruo, Ohtaka, Akifumi, Kimura, Naoya, Ochiai, Masahiko, Yamamoto, Yoko

Journal:

SIL Proceedings, 1922-2010

Year:

2010

Language:

english

File:

PDF, 1.57 MB

english, 2010

10

Redescriptions of Spirosperma apapillatus and Embolocephalus nikolskyi (Annelida, Clitellata, Tubificinae) from Japan, with Reference to Distribution of Papillate Tubificines in Japanese Freshwaters

Ohtaka, Akifumi, Martin, Patrick

Journal:

Zoological Science

Year:

2011

Language:

english

File:

PDF, 609 KB

english, 2011

11

Research on red snow 'Akashibo' in the Ozegahara mire-Relationships between the vertical distribution of red snow and alga-

YAMAMOTO, Yoko, HAYASHI, Takashi, OCHIAI, Masahiro, FUKUHARA, Haruo, OHTAKA, Akifumi, NOHARA, Seiichi, FUKUI, Manabu, KIKUCHI, Yoshiaki, Oze Akashibo Research Group,

Journal:

Japanese Journal of Limnology (Rikusuigaku Zasshi)

Year:

2006

File:

PDF, 1.13 MB

2006

12

Oligochaetes in Lake Towada, Japan, an oligotrophic caldera

Journal:

Year:

2001

Language:

english

File:

PDF, 589 KB

english, 2001

13

Specimens of the Japanese native crayfish Cambaroides japonicus (De Haan, 1841) and ectosymbiotic crayfish worms (Branchiobdellida) collected from Lake Akan in Hokkaido, northern Japan, in 1872: observation of the specimens preserved by Dr. Saburo Hatta

NAKATA, Kazuyoshi, NAGANO, Yuki, OHASHI, Shinpei, KAWAI, Toshio, OHTAKA, Akifumi

Year:

2014

File:

PDF, 747 KB

2014

14

Studies on the aquatic oligochaete fauna in Lake Biwa, central Japan. IV. Faunal characteristics in the attached lakes (naiko)

Akifumi Ohtaka, Machiko Nishino

Journal:

Year:

2006

Language:

english

File:

PDF, 539 KB

english, 2006

15

Spring red snow phenomenon caused by iron accumulated around algal spores in alpine mires in Japan

Yamamoto, Yoko, Ohtaka, Akifumi, Hayashi, Takashi, Fukuhara, Haruo, Nohara, Seiichi, Ochiai, Masahiro

Journal:

SIL Proceedings, 1922-2010

Year:

2006

Language:

english

File:

PDF, 466 KB

english, 2006

16

Aquatic oligochaete fauna (Annelida, Clitellata) in Lake Tonle Sap and adjacent waters in Cambodia

Ohtaka, Akifumi

Journal:

Year:

2018

Language:

english

File:

PDF, 1.04 MB

english, 2018

17

Faunal composition of meio- and macroinvertebrates associated with aquatic macrophytes in Central Kalimantan and West Java, Indonesia, with special reference to oligochaetes

OHTAKA, Akifumi, HARTOTO, Dede Irving, SUDARSO, Yoyok, BUCHAR, Tariono, WIDJAJA, Fifi, IWAKUMA, Toshio, KUNII, Hidenobu

Journal:

Year:

2006

Language:

english

File:

PDF, 273 KB

english, 2006

18

Spring red snow phenomenon ‘Akashibo’ in the Ozegahara mire, Central Japan, with special reference to the distribution of invertebrates in red snow

Fukuhara, Haruo, Ohtaka, Akifumi, Kimura, Naoya, Fukui, Manabu, Kikuchi, Yoshiaki, Nohara, Seiichi, Ochiai, Masahiro, Yamamoto, Yoko

Journal:

SIL Proceedings, 1922-2010

Year:

2002

File:

PDF, 1.26 MB

2002

19

Spring red snow phenomenon ‘Akashibo’ in the Ozegahara mire, Central Japan, with special reference to the distribution of invertebrates in red snow

Fukuhara, Haruo, Ohtaka, Akifumi, Kimura, Naoya, Fukui, Manabu, Kikuchi, Yoshiaki, Nohara, Seiichi, Ochiai, Masahiro, Yamamoto, Yoko

Journal:

SIL Proceedings, 1922-2010

Year:

2002

Language:

english

File:

PDF, 1.26 MB

english, 2002

20

Multi-locus phylogenetic analysis of the genus Limnodrilus (Annelida: Clitellata: Naididae)

Liu, Yingkui, Fend, Steven V., Martinsson, Svante, Luo, Xu, Ohtaka, Akifumi, Erséus, Christer

Journal:

Molecular Phylogenetics and Evolution

Year:

2017

Language:

english

File:

PDF, 6.26 MB

english, 2017

21

Vegetational changes in the coral-gravelly barrier spit appearing after the 2004 Indian Ocean Tsunami at Pakarang Cape, southwestern Thailand, related to topographical changes

Baba, Satomi, Ohtaka, Akifumi, Koiwa, Naoto, Takahashi, Mio, Katsukawa, Kenzo, Tippakdee, Nichanapit

Journal:

Year:

2016

Language:

english

File:

PDF, 2.44 MB

english, 2016

22

Composition of aquatic invertebrates associated with macrophytes in Lake Tonle Sap, Cambodia

Akifumi Ohtaka, Tetsuya Narita, Takahiro Kamiya, Haruo Katakura, Yuji Araki, Sokrithy Im, Rachna Chhay, Shinji Tsukawaki

Journal:

Year:

2011

Language:

english

File:

PDF, 420 KB

english, 2011

23

A21 Polypedilum kamotertium Sasa, 1989 (Chironomidae; Diptera)-ectoparasitic chironomid on Hydropsychidae

Kobayashi, Tadashi, Ohtaka, Akifumi, Takahashi, Tomohiro

Journal:

Medical Entomology and Zoology

Year:

2002

File:

PDF, 120 KB

2002

24

Disappearance of deep profundal zoobenthos in Lake Ikeda, southern Kyushu, Japan, with relation to recent environmental changes in the lake

Akifumi Ohtaka, Machiko Nishino, Tadashi Kobayashi

Journal:

Year:

2006

Language:

english

File:

PDF, 278 KB

english, 2006

25

Seasonal Changes in Vertical Distribution, Biomass and Faecal Production of Tubificids in the Profundal Region of a Shallow Japanese Lake

Haruo Fukuhara, Akifumi Ohtaka, Yoshiaki Isobe and Mitsuru Sakamoto

Journal:

Holarctic Ecology

Year:

1987

Language:

english

File:

PDF, 1.15 MB

english, 1987

26

New records and distributions of two North American branchiobdellidan species (Annelida: Clitellata) from introduced signal crayfish,Pacifastacus leniusculus,in Japan

Akifumi Ohtaka, Stuart R. Gelder, Tadashi Kawai, Kazuhiro Saito, Kazuyoshi Nakata, Machiko Nishino

Journal:

Biological Invasions

Year:

2005

Language:

english

File:

PDF, 254 KB

english, 2005

27

A New Species of the Genus Rhyacodrilus Bretscher (Oligochaeta, Tubificidae) from Japanese Lakes

Ohtaka, Akifumi

Journal:

Zoological Science

Year:

1995

File:

PDF, 2.54 MB

1995

28

A New Species of the Subterranean Genus Krenedrilus Dumnicka (Oligochaeta, Tubificidae) from the Deep Bottom of an Oligotrophic Caldera Lake in Japan

Ohtaka, Akifumi

Journal:

Zoological Science

Year:

2004

Language:

english

File:

PDF, 904 KB

english, 2004

29

Spatial and seasonal changes of net plankton and zoobenthos in Lake Tonle Sap, Cambodia

Akifumi Ohtaka, Ryusei Watanabe, Sokrithy Im, Rachna Chhay, Shinji Tsukawaki

Journal:

Year:

2010

Language:

english

File:

PDF, 390 KB

english, 2010

30

First record of the North American invasive crayfish Pacifastacus leniusculus from the Kanto region, Tone River basin, central Japan: a range expansion to a warm water area

Nakata, Kazuyoshi, Hayashi, Norio, Ozaki, Masumi, Ohtaka, Akifumi, Miwa, Junji

Journal:

Plankton and Benthos Research

Year:

2010

Language:

english

File:

PDF, 1.15 MB

english, 2010

31

Yamaguchia toyensis n. sp., n. gen. (Annelida, Clitellata, Lumbriculidae) from Profundal Lake Habitat in Japan

Fend, Steven V., Ohtaka, Akifumi

Journal:

Zoological Science

Year:

2004

Language:

english

File:

PDF, 346 KB

english, 2004

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