Foot morphology and distribution of Sika deer in relation to snow depth in Japan
Foot morphology and distribution of Sika deer in relation to snow depth in Japan
复制标题
日本梅花鹿足部形态及分布与雪深的关系
DOI：
10.1007/bf02348593
复制
发表时间：
1992
影响因子：
2
通讯作者：
S. Takatsuki
中科院分区：
文献类型：
--
作者：
S. Takatsuki
日本列岛梅花鹿（Cervus nippon）的分布偏向积雪较少的东部。为了解释这种与雪相关的偏差分布，测量了梅花鹿的足部形态。雄性成虫的蹄负荷最大（0.78 kg cm−2），小鹿的蹄负荷最小（约0.43 kg cm−2）。这些值与白尾鹿的值相似，并且小于驯鹿和羚羊等适应雪的物种的值。前腿长度 wasc。 50厘米和60厘米，后脚（下半部分）长度是c。小鹿和成年鹿分别为 40 厘米和 45 厘米。胸部高度。小鹿和成人分别为 45 厘米和 53 厘米。这些数字表明，积雪深度超过 50 厘米的地区不适合作为梅花鹿的栖息地。梅花鹿目前的分布与积雪深度有明显关系：它们大多集中在<50厘米积雪的“适宜区”，有的可以生活在50-100厘米积雪的“宜居区”，很少生活在>100厘米积雪的“宜居区”。
The distribution of Sika deer (Cervus nippon) on Japanese islands is biased toward, the east where there is less snow. To explain this biased distribution in relation to snow, the foot morphology of Sika deer was measured. Hoof load was greatest in male adults (0.78 kg cm−2) and smallest in fawns (c0.43 kg cm−2). The values were similar to those for white‐tailed deer, and were smaller than those for snow‐adapted species like caribou and chamois. Foreleg length wasc. 50 cm and 60 cm, and hind feet (lower half) length wasc. 40 cm and 45 cm for fawns and adult deer, respectively. Chest heights werec. 45 cm and 53 cm for fawns and adults, respectively. These figures suggest that areas where snow accumulates deeper than 50 cm are not favorable as a Sika deer habitat. The present distribution of Sika deer is clearly related to snow depth: they are mostly concentrated in the ‘preferable area’ of <50 cm of snow, some of them can live in the ‘habitable area’ of 50–100 cm of snow, and they rarely live in the ‘inhabitable area’ of >100 cm of snow.