Abstract:Abstract. We investigated the reproductive success of Mountain Hawk-Eagles Nisaetus nipalensis between 1990 and 2008 in Yamagata Prefecture, northern Japan. The existence of a correlation between fluctuations in Japanese Beech Fagus crenata seed production and nesting success was verified using observations of breeding attempts. A generalized linear mixed model (GLMM) was used to examine the relationship between nesting outcome and environmental factors (forest type, complexity of forest edges, nesting outcome… Show more
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