Analysis of Net Primary Productivity Variation and Quantitative Assessment of Driving Forces-A Case Study of the Yangtze River Basin.

Plants (Basel) · 2023 · PMC10574783 · PMID 37836151

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an overall trendno p-value reported

From 2003 to 2020, there was an overall trend of fluctuating increase in NPP, and the NPP for each river system also exhibited an upward trend.

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a decreasing trendno p-value reported

In the study area, 81.98% of the regions exhibit an increasing trend in precipitation, while 18.02% show a decreasing trend.

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highly significantno p-value reported

Regions with a significant increase in NPP (including highly significant and significant increases) account for 37.87% of the entire basin.

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an increasing trendno p-value reported

The research findings are as follows: (1) Over the 18-year period, the average NPP within the basin amounted to 543.95 gC/m 2 , displaying a noticeable fluctuating upward trend with a growth rate of approximately 3.1 gC/m 2 ; (2) The areas exhibiting an increasing trend in NPP account for 82.55% of the total study area.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.