Ecological studies on subtropical evergreen broad-leaved forest in Okinawa, Japan: Litter production and nutrient input

被引：1
作者：
Xu, Xiaoniu
Tokashiki, Yoshihiro
Hirata, Eiji
Enoki, Tsutomu
Nogami, Kangoro
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来源：
Journal of Forest Research | 2000年 / 5卷 / 03期
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摘要：
Patterns of litterfall and nutrient input in a subtropical evergreen broad-leaved forest in northern Okinawa, Japan, were studied during May, 1996-April, 1999. The mean annual rate of litterfall in the five sampling plots ranged from 6.84 to 8.93 Mg ha-1 yr-1 of which 63.3-68.5% were leaves; 22.4-29.1% woody parts (including branches -1 yr-1 of leaf litter, which covered 30.5% of the annual litter production, and the nutrient input from those litterfall contributed 32.3, 28.3, 30.2, 22.2, 32.5, and 30.5% of total N, P, K, Ca, Mg, and Na, respectively. Nutrient use efficiency in litter production was high, especially for P and K compared with other broad-leaved forests in Japan indicating that P and K may be limiting in Okinawan evergreen broad-leaved forest.
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页码：151 / 156
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