The impact of changing irrigation practices in rice fields on frog populations of the Kanto Plain, central Japan

Rice fields are important substitute wetlands for frogs. Traditionally, rice fields in Japan were supplied with water and drained via shallow earth ditches (old‐style). In the last 30 years, however, more than 80% of rice fields have been converted to a new irrigation system in which water is typica...

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Veröffentlicht in:	Ecological research 1997-04, Vol.12 (1), p.101-108
Hauptverfasser:	Fujioka, Masahiro, Lane, Simon J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Amphibians Ditches Frogs Hyla japonica Irrigation Irrigation practices Irrigation systems Irrigation water Rana japonica Rana porosa Rana porosa porosa Rice fields Spawning Water management wetland conservation
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