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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 of…
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Effects of permethrin on phytoplankton and zooplankton in an enclosure ecosystem in a pond
TLDR
Photosynthesis and phytoplankton were not significantly affected by permethrin, except for Ceratium hirundinella, and the number of rotifer Keratella valga increased, suggesting a close relationship between these two species.
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A PRELIMINARY STUDY ON THE FAUNAL MAKE-UP AND SPATIOTEMPORAL DISTRIBUTION OF CARRION BEETLES (COLEOPTERA : SILPHIDAE) ON THE ISHIKARI COAST, NORTHERN JAPAN
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Seasonal dynamics of the activities of dissolved 137Cs and the 137Cs of fish in a shallow, hypereutrophic lake: Links to bottom-water oxygen concentrations.
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Chemical control of white grub Liogenys fuscus (Blanchard 1851) (Coleoptera: Melolonthidae) in cornfields
TLDR
Under conditions similar to those prevalent during the execution of these trials, in furrow application of chlorpyrifos and fipronil as well as seed treatment with fipronsil and thiamethoxan may be used to control L. fuscus outbreaks in cornfields.
The fate, concentration factors and ecological half-life of cesium-137 in a freshwater snail and a freshwater mussel in Lake Kasumigaura after the Fukushima Nuclear Accident
After the Fukushima Daiichi Nuclear Power Plant accident on 11 March 2011, we sampled the lake water, a freshwater snail (Sinotaia quadrata histrica) and a freshwater mussel (Limnoperna fortunei) at…
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Variability of benthic methane‐derived carbon along seasonal, biological, and sedimentary gradients in a polymictic lake
The spatial and seasonal variations of methane‐derived carbon contributions to Chironomus plumosus larvae and oligochaetes biomass at four stations in a polymictic, eutrophic lake were examined to…
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DNA barcoding supports reclassification of Japanese Chironomus species (Diptera: Chironomidae)
TLDR
The results suggest a possible reclassification of Japanese species of Chironomus and the need for further sampling to unveil biogeographic variations among different countries and regions.
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Chironomid Fauna in the Emergent Plant Zone of Lake Kasumigaura, Japan.
TLDR
Chironomid fauna in littoral hydrophyte zones was more diverse than in pelagic zones in Lake Kasumigaura, and species composition differed more markedly among substratum types than among localities in the lake.
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Functional Assessment for Restoration of Intertidal Sandy and Muddy Flat Ecosystems
The restoration of the wetland ecosystems is an essential problem in the world, however, the evaluation technique for the functions of ecosystems, especially in the intertidal wetlands, has not been…
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