Annual periodicity in fruiting in temperate forests in Yakushima, Japan
Annual periodicity in fruiting in temperate forests in Yakushima, Japan
复制标题
日本屋久岛温带森林结果的年周期
DOI：
10.1007/s11632-011-0206-7
复制
发表时间：
2011
期刊：
影响因子：
--
通讯作者：
Hanya G & Aiba S
中科院分区：
文献类型：
--
作者：
Sawada A;Clauss M;Sakaguchi E & Hanya G;Hanya G & Bernard H;Hanya G & Aiba S
在日本南部屋久岛的5个暖温带和冷温带森林中，通过种子掉落来评估结果物候，在一个50 m × 50 m的样地中进行了两年的研究，在4个100 m × 50 m的样地中进行了4年的研究。这些地块的海拔高度在170至1200米之间。种子秋季物候表现出年度周期性在所有五个地块。这是很明显的物种数量进行评估时，但变得不太清楚，当评估的种子凋落物的生物量。群落水平的年周期性是基于种群水平的年周期性和种间秋季到冬季结果高峰的同步性。肉质水果种子下降的高峰在一个更广泛的月份比非肉质水果，因为它有时是有益的，以避免种间竞争的动物种子传播的社区水平的结果高峰之外的结果。没有一致的气候因素对种子下降物候的影响。
Fruiting phenology, assessed by seed fall, in five warm- and cool-temperate forests on Yakushima Island, southern Japan, was studied for two years in one 50 m × 50 m plot and for four years in four 100 m × 50 m plots. The elevation of the plots ranged between 170 and 1200 m a.s.l. Seed fall phenology showed annual periodicity in all five plots. This was clear when assessed by the number of species but became less clear when assessed by the biomass of seed litter. Community-level annual periodicity was based on the prevalence of population-level annual periodicity and interspecific synchronization of the fruiting peak from autumn to winter. Fleshy fruits had peaks of seed fall in a wider range of months than non-fleshy fruits, since it is sometimes beneficial to bear fruit outside the community-level fruiting peaks in order to avoid interspecific competition for animal seed dispersers. No consistent effect of climatic factors on seed fall phenology was detected.