primary productivity

基本解释

How much carbon land plants store during photosynthesis, a measure known as net primary productivity, changes from season to season.
淨初級生産力被定義爲植物在光和作用可以儲存的碳的縂量，這個值會伴隨季節而變化。
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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産量的關鍵決定因子，而在乾旱地區，初級生産量隨降雨量的增加大致是一個線性增長。
This study focused on the effects of annual net primary productivity of forest ecosystem and habitat complexity of Huanglong Nature Reserve on the species diversity of small mammals.
本研究主要探討黃龍自然保護區森林生態系統年淨初級生産力水平和棲息地複襍程度對小型獸類物種多樣性的影響。

His primary task is to help farmers improve the productivity and quality of their farms and to reduce environmental harm.
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Over the period of the next three decades following the introduction of Package A, it is reported that the illiteracy rate was halved from approximately 21 per cent in 1970, to approximately 11 per cent in 2000, and that increased productivity of newly-literate people in various primary and secondary industries was observed.
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Their primary mission: to convince hiring managers that they are turbocharged engines of productivity.
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初級生産力
The primary productivity at the surveyed stations is 0.0502.453 mg/（μm3·h）. The primary productivity of the Chukchi shelf is higher than that of the Chukchi Plateau,the Canada Basin,the Beaufout Sea and the Mendeleev Ride.
觀測站初級生産力（C）爲0.0502.453 mg/（m3.h）,陸架區平均生産力高於海台區、海盆區、波弗特海以及海嵴區。
第一性生産力