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Indirect effect of salmon carcasses on growth of a freshwater amphipod, Jesogammarus jesoensis (Gammaridea): An experimental study
  • T. Ito
  • Biology
  • Ecological Research
  • 2003
The effect of salmon carcasses on the growth of a freshwater amphipod, Jesogammarus jesoensis (Schellenberg) (Gammaridea, Anisogammaridae), was examined experimentally. Growth rate was determined byExpand
Environmental gradients determining the distribution of benthic macroinvertebrates in Lake Takkobu, Kushiro wetland, northern Japan
Effects of environmental variables on the distribution of benthic macroinvertebrates inhabiting sediments were studied at 25 sites along the shoreline of Lake Takkobu in the Kushiro wetland ofExpand
Trichoptera fauna of the Kushiro Marsh, northern Japan, with particular references to the fauna of Lake Takkobu
2003-2006年に北海道釧路湿原達古武沼とその流入河川でトビケラ相を調べた。16科52種のトビケラ成虫が採集された。このうち21種は釧路湿原初記録であり,他に未記載種1種が新たに採集された。これにより,釧路湿原で確認されたトビケラは74種となり,他に種名の明らかでない7分類群が記録されていることになる。
The genus Plectrocnemia Stephens of Japan (Trichoptera; Polycentropodidae)
The Japanese species of the genus Plectrocnemia Stephens (Trichoptera; Polycentropodidae) are revised based on examination of male material. Five new species are described: P. divisa, P. suzukii, P.Expand
Abundance of salmon carcasses at the upper reach of a fish trap
Abundance, biomass and retention of salmon carcasses (Oncorhynchus keta and O. masou masou) were studied in a spring-fed tributary, the Naibetsu River, Chitose River system, Hokkaido, northern Japan,Expand
On the Genus Goerodes (Trichoptera, Lepidostomatidae) in Japan
  • T. Ito
  • Geography
  • 25 December 1984
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