Annual variation in recruitment rates for the sika deer (Cervus nippon) population in eastern Hokkaido, Japan
Hiroyuki Uno,
Hayato Iijima
Abstract:To understand wildlife population dynamics, it is crucial to determine the factors influencing annual variations in recruitment rates. Over a 12‐year period (1995–2007), we conducted herd count surveys in Akan‐Mashu National Park, eastern Hokkaido, Japan, to investigate the recruitment rate of the sika deer (Cervus nippon) population. The observed trend revealed a decline in fawn‐female ratio (number of fawns per 100 females) from January to April each year. Furthermore, there was significant annual variation … Show more
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