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近20a木里地区草原植被盖度与生产力动态监测分析

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以青藏高原北缘的木里地区为例,通过遥感监测及数据反演,获取近20a木里草原植被盖度和生产力变化趋势,并结合驱动因素分析,形成结论如下:(1)近20a木里地区草原植被覆盖度和NPP呈现波动,但整体呈增长趋势;(2)水热条件对木里地区草原植被变化影响明显,气温因素对该地区植被生长的影响高于降水.
DYNAMIC MONITORING AND ANALYSIS OF GRASSLAND VEGETATION COVERAGE AND PRODUCTIVITY IN MULI REGION IN RECENT 20 YEARS
Taking the Muli region on the northern edge of the Qinghai Tibet Plateau as an example,through remote sensing monitoring and data inversion,the trend of vegetation coverage and productivity changes in Muli grassland over the past 20 years were obtained,and driving factors were analyzed.Conclusion:(1)In the past 20 years,the grassland vegetation coverage and NPP in the Muli region have shown fluctuating changes,but overall shown an increasing trend;(2)The hydrothermal conditions have a significant impact on the changes in grassland vegetation in the Muli region,and the impact of temperature on vegetation growth in the area is higher than that of precipitation.

Muli regionVegetation coverageProductivityMonitoring

辛玉春、李宏达、王双双、赵新来、王九峦

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青海省草原总站青海木里草原生态系统国家定位观测研究站,青海西宁 810008

江苏及象生态环境研究院有限公司,江苏南京 210013

木里地区 植被盖度 生产力 监测

省级林草科技推广项目

2024

青海草业
青海省草原学会 青海省草原总站

青海草业

影响因子:0.316
ISSN:1008-1445
年,卷(期):2024.33(1)
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