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Dragonfly crisis in Japan: A likely consequence of recent agricultural habitat degradation

Taku Kadoya, Auteur ; Shin-ichi Suda, Auteur ; Izumi Washitani, Auteur

Dans Biological Conservation (142(9) SEP 2009)

Many Japanese dragonfly species depend on habitat complexes maintained in rice paddy systems. We postulated that recent alterations to habitat complexes in paddy systems have had adverse effects on dragonfly populations, especially those 'once c[...]

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Article

Habitat and flower resource partitioning by an exotic and three native bumble bees in central Hokkaido, Japan

Hiroshi S. Ishii, Auteur ; Taku Kadoya, Auteur ; Reina Kikuchi, Auteur ; Shin-ichi Suda, Auteur ; Izumi Washitani, Auteur

Dans Biological Conservation (141(10) OCT 2008)

Studies of the interspecific relationships between alien and native pollinator species can help forecast the success of alien species as well as assess the extent of disturbance to native plant-pollinator interactions. We examined the habitat an[...]

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Article

Using monitoring data gathered by volunteers to predict the potential distribution of the invasive alien bumblebee Bombus terrestris

Taku Kadoya, Auteur ; Hiroshi S. Ishii, Auteur ; Reina Kikuchi, Auteur ; Shin-ichi Suda, Auteur ; Izumi Washitani, Auteur

Dans Biological Conservation (142(5) MAY 2009)

We explored the use of ecological niche-modeling from data compiled in a participatory program of thousands of volunteer observers to quantitatively evaluate the spatial risk of invasion by the alien species Bombus terrestris. B. terrestris has [...]

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