SEASONAL DIFFERENCES IN NITROGEN STORAGE IN DECIDUOUS AND EVERGREEN SPECIES OF A TROPICAL DRY FOREST

被引:3
|
作者
SOBRADO, MA
机构
[1] Departmento de Biologia de Organismos, Universidad Simon Bolivar, Caracas, 1080A
关键词
BEURERIA CUMANENSIS; CAPPARIS ARISTIGUETAE; COURSETIA ARBOREA; LONCHOCARPUS DIPTERONEURUS; MORISONIA AMERICANA; PITHECELLOBIUM DULCE;
D O I
10.1007/BF02913228
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Reserves of twig nitrogen of drought-deciduous species changed seasonally and provided some of the nitrogen required for canopy reconstruction after drought relief. By contrast, in evergreen species, nitrogen mobilization from old leaves and use in expanding leaves occurred simultaneously at the time of leaf exchange and twig nitrogen remained constant.
引用
收藏
页码:291 / 295
页数:5
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