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Effectiveness of protected areas edges on vegetation greenness, cover and productivity on the Tibetan Plateau, China
Highlights PAs’ edges performed a weak but significant role in vegetation growth on the TP. Over 40% of the areas showed the positive impact on vegetation growth. A few samples showed a opposite effect on greenness, cover, and productivity. Attention should be paid to these PAs’ edge with a high fragmented landscape.
Abstract Protected areas (PAs) are the cornerstones of global vegetation conservation efforts, but growing evidence showed the limited effectiveness of PAs in some regions. Recent attempts to quantify conservation efficiency were mainly focused on vegetation coverage, overlooking other vegetation characteristics, such as greenness and productivity. Here, using multiple indices of vegetation status from satellite observations and a windows search strategy, we measured the conservation efficiency of nature reserves (NRs, the primary category of PAs in China) edge on vegetation greenness, cover, and productivity on the Tibetan Plateau. The results showed that NRs’ edges performed a weak, but significant role in vegetation growth. Over 40% of the areas showed a positive impact of NRs’ edge on vegetation growth in different degrees. However, about 10% of the areas located on NRs’ edge showed a noticeable opposite effect on greenness, cover, and productivity. Compared to some climatic and socio-economic factors (e.g., population density and air temperature), fragmented landscapes and landforms are more likely to inhibit conservation efficiency. The findings of this work can help better understand PAs’ role in securing vegetation conservation and optimize the design of PAs for preventing vegetation losses.
Effectiveness of protected areas edges on vegetation greenness, cover and productivity on the Tibetan Plateau, China
Highlights PAs’ edges performed a weak but significant role in vegetation growth on the TP. Over 40% of the areas showed the positive impact on vegetation growth. A few samples showed a opposite effect on greenness, cover, and productivity. Attention should be paid to these PAs’ edge with a high fragmented landscape.
Abstract Protected areas (PAs) are the cornerstones of global vegetation conservation efforts, but growing evidence showed the limited effectiveness of PAs in some regions. Recent attempts to quantify conservation efficiency were mainly focused on vegetation coverage, overlooking other vegetation characteristics, such as greenness and productivity. Here, using multiple indices of vegetation status from satellite observations and a windows search strategy, we measured the conservation efficiency of nature reserves (NRs, the primary category of PAs in China) edge on vegetation greenness, cover, and productivity on the Tibetan Plateau. The results showed that NRs’ edges performed a weak, but significant role in vegetation growth. Over 40% of the areas showed a positive impact of NRs’ edge on vegetation growth in different degrees. However, about 10% of the areas located on NRs’ edge showed a noticeable opposite effect on greenness, cover, and productivity. Compared to some climatic and socio-economic factors (e.g., population density and air temperature), fragmented landscapes and landforms are more likely to inhibit conservation efficiency. The findings of this work can help better understand PAs’ role in securing vegetation conservation and optimize the design of PAs for preventing vegetation losses.
Effectiveness of protected areas edges on vegetation greenness, cover and productivity on the Tibetan Plateau, China
Hua, Ting (author) / Zhao, Wenwu (author) / Cherubini, Francesco (author) / Hu, Xiangping (author) / Pereira, Paulo (author)
2022-04-01
Article (Journal)
Electronic Resource
English
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