连续放牧群落净初级生产量高于禁牧群落，为超补偿生长。
The primary production under CG is higher than the FG and appeared as over-compensatory growth.
文中讨论了水化学特点、生物生产力的限制因子以及浮游植物量和初级生产量的分布和变化。
Hydrochemistry characteristics, the limited factors of biological productivity and the distribution and fluctuations of biomass and production of phytoplankton are discussed.
降雨量是森林植物生产量的关键决定因子，而在干旱地区，初级生产量随降雨量的增加大致是一个线性增长。
Precipitation is a key determinant of plant productivity in forest, whilst in arid regions there is an approximately liner increase in primary productivity with increasing precipitation.
降雨量是森林植物生产量的关键决定因子，而在干旱地区，初级生产量随降雨量的增加大致是一个线性增长。
Precipitation is a key determinant of plant productivity in forest, whilst in arid regions there is an approximately liner increase in primary productivity with increasing precipitation.
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