Spatio-Temporal Characteristics of Landscape Ecological Risks in the Ecological Functional Zone of the Upper Yellow River, China.

Int J Environ Res Public Health · 2021 · PMC8700936 · PMID 34948554

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a decreasing trendno p-value reported

(2) The fragmentation degree of built-up areas is 0.1097, 0.1053, 0.0811 and 0.0762 in 1990, 2000, 2010 and 2018, respectively, with a decreasing trend.

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an increasing trendno p-value reported

Cultivated land showed an increasing trend first and then decreased slowly from 1990 to 2018.

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showed a trendno p-value reported

Water also showed a trend of fluctuant increase in area and increased by 4.57 km2, with an increased rate of 1.42%.

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