primary productivity

基本解釋

How much carbon land plants store during photosynthesis, a measure known as net primary productivity, changes from season to season.
淨(jìng)初級(jí)生産力被定義爲(wèi)植物在光和作用可以儲(chǔ)存的碳的縂量，這個(gè)值會(huì)伴隨季節(jié)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(guān)鍵決定因子，而在乾旱地區(qū)，初級(jí)生産量隨降雨量的增加大致是一個(gè)線性增長(zhǎng)。
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(hù)區(qū)森林生態(tài)系統(tǒng)年淨(jìng)初級(jí)生産力水平和棲息地複襍程度對(duì)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(jí)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(cè)站初級(jí)生産力（C）爲(wèi)0.0502.453 mg/（m3.h）,陸架區(qū)平均生産力高於海臺(tái)區(qū)、海盆區(qū)、波弗特海以及海嵴區(qū)。
第一性生産力

初級(jí)生産力
The primary productivity (E%) was 1.37%.3.
初級(jí)生産力（E％）爲(wèi)1.37。
地球科學(xué)
初級(jí)生産率
初級(jí)生産力