The Effects of Grass Cutting at Paddy Levee on Food Habit of <i>Fejervarya limnocharis</i>

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  • 畦畔の草刈りがヌマガエルの食性に及ぼす影響
  • アゼ ハン ノ クサカリ ガ ヌマガエル ノ ショクセイ ニ オヨボス エイキョウ

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The effects of mowing with grass cutters at paddy levees on food habit of the Indian Rice Frog, Fejervarya limnocharis, were evaluated to establish preferable weeding methods for conserving habitats. The prey animals at the levee along with the stomach contents of the frogs were compared between before and after mowing sections. The numbers of prey animals per square meter were not different for both sections, while the species compositions were different. Not only the total numbers but also the gross wet mass of stomach contents per frog in after mowing section was more than that in before mowing section. The frog in after mowing section can eat the prey animals in the plants mowed down. These results suggest that leaving the mowed plants may serve prey animals to the frog.

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