Raita Kobayashi

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Rice fields provide important habitats for many endemic and endangered species originally dependent on wetlands as habitat. However, the value of rice fields has rarely been evaluated from a multi-scale perspective. We examined abundance of two frogs, the montane brown frog Rana ornativentris and the forest green tree frog Rhacophorus arboreus, that use(More)
To evaluate the effects of allochthonous litter input on the population density of invasive red swamp crayfish (Procambarus clarkii) in Japanese farm ponds, we analyzed gut contents, stable isotope ratios, and the correlation between crayfish biomass and environmental factors in the ponds. For our correlation analysis, we used Akaike’s information criterion(More)
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