Vegetation dynamics influenced by climate change and human activities in the Hanjiang River Basin, central China
Assessing the dynamics of vegetation and its response to environmental changes is essential to understanding ecosystem changes and the sustainable use of natural resources. In this study, we investigated the impacts of climate change and human activities on vegetation growth in the Hanjiang River Ba...
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2022-12-01
|
| Series: | Ecological Indicators |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S1470160X22010597 |
| _version_ | 1811190736848158720 |
|---|---|
| author | Shaokang Yang Ji Liu Chenghao Wang Te Zhang Xiaohua Dong Yanli Liu |
| author_facet | Shaokang Yang Ji Liu Chenghao Wang Te Zhang Xiaohua Dong Yanli Liu |
| author_sort | Shaokang Yang |
| collection | DOAJ |
| description | Assessing the dynamics of vegetation and its response to environmental changes is essential to understanding ecosystem changes and the sustainable use of natural resources. In this study, we investigated the impacts of climate change and human activities on vegetation growth in the Hanjiang River Basin. We classified the basin into the portion mainly affected by climate change (VClimate) and the portion affected by both climate change and anthropogenic activities (VClimate+Human). Using an improved residual trend method that considers both lag effect and nonlinear response, we analyzed the relative contributions of climate change and human activities to observed NDVI changes. Results suggest that the basin experienced a statistically significant increase in growing-season NDVI during 2001–2016 (0.047 decade-1). Precipitation was the dominant climatic factor for NDVI change in VClimate+Human, whereas precipitation and temperature were nearly equally important for NDVI change in VClimate. On average, both climate change and human activities promoted vegetation growth during the study period, and their average contributions were 41.4 % and 15.5 %, respectively. In particular, climate change and human activities in general enhanced vegetation growth in non-urban areas, while human activities mainly reduced vegetation growth in urban areas. The findings of this study can benefit regional ecological restoration and environmental management projects. |
| first_indexed | 2024-04-11T14:55:16Z |
| format | Article |
| id | doaj.art-b855602ab9894641bf9a80efb1080b64 |
| institution | Directory Open Access Journal |
| issn | 1470-160X |
| language | English |
| last_indexed | 2024-04-11T14:55:16Z |
| publishDate | 2022-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Ecological Indicators |
| spelling | doaj.art-b855602ab9894641bf9a80efb1080b642022-12-22T04:17:17ZengElsevierEcological Indicators1470-160X2022-12-01145109586Vegetation dynamics influenced by climate change and human activities in the Hanjiang River Basin, central ChinaShaokang Yang0Ji Liu1Chenghao Wang2Te Zhang3Xiaohua Dong4Yanli Liu5Engineering Research Center of Eco-environment in Three Gorges Reservoir Region, Ministry of Education, Yichang, Hubei 443002, China; Hubei Collaborative Innovation Center for Water Resources Security, Wuhan 430072, China; College of Hydraulic and Environmental Engineering, China Three Gorges University, Yichang, Hubei 443002, ChinaEngineering Research Center of Eco-environment in Three Gorges Reservoir Region, Ministry of Education, Yichang, Hubei 443002, China; Hubei Collaborative Innovation Center for Water Resources Security, Wuhan 430072, China; College of Hydraulic and Environmental Engineering, China Three Gorges University, Yichang, Hubei 443002, China; Corresponding author at: Engineering Research Center of Eco-environment in Three Gorges Reservoir Region, Ministry of Education, Yichang, Hubei 443002, China.Department of Earth System Science, Stanford University, Stanford, CA 94305, USA; School of Meteorology, University of Oklahoma, Norman, OK 73072, USA; Department of Geography and Environmental Sustainability, University of Oklahoma, Norman, OK 73019, USACollege of Water Resources and Architectural Engineering, Northwest A & F University, Yangling 712100, ChinaEngineering Research Center of Eco-environment in Three Gorges Reservoir Region, Ministry of Education, Yichang, Hubei 443002, China; Hubei Collaborative Innovation Center for Water Resources Security, Wuhan 430072, China; College of Hydraulic and Environmental Engineering, China Three Gorges University, Yichang, Hubei 443002, ChinaState Key Laboratory of Hydrology, Water Resources and Hydraulic Engineering, Nanjing Hydraulic Research Institute, Nanjing 210098, ChinaAssessing the dynamics of vegetation and its response to environmental changes is essential to understanding ecosystem changes and the sustainable use of natural resources. In this study, we investigated the impacts of climate change and human activities on vegetation growth in the Hanjiang River Basin. We classified the basin into the portion mainly affected by climate change (VClimate) and the portion affected by both climate change and anthropogenic activities (VClimate+Human). Using an improved residual trend method that considers both lag effect and nonlinear response, we analyzed the relative contributions of climate change and human activities to observed NDVI changes. Results suggest that the basin experienced a statistically significant increase in growing-season NDVI during 2001–2016 (0.047 decade-1). Precipitation was the dominant climatic factor for NDVI change in VClimate+Human, whereas precipitation and temperature were nearly equally important for NDVI change in VClimate. On average, both climate change and human activities promoted vegetation growth during the study period, and their average contributions were 41.4 % and 15.5 %, respectively. In particular, climate change and human activities in general enhanced vegetation growth in non-urban areas, while human activities mainly reduced vegetation growth in urban areas. The findings of this study can benefit regional ecological restoration and environmental management projects.http://www.sciencedirect.com/science/article/pii/S1470160X22010597Normalized difference vegetation indexVegetation growthResidual trend analysisPrecipitationTemperatureUrbanization |
| spellingShingle | Shaokang Yang Ji Liu Chenghao Wang Te Zhang Xiaohua Dong Yanli Liu Vegetation dynamics influenced by climate change and human activities in the Hanjiang River Basin, central China Ecological Indicators Normalized difference vegetation index Vegetation growth Residual trend analysis Precipitation Temperature Urbanization |
| title | Vegetation dynamics influenced by climate change and human activities in the Hanjiang River Basin, central China |
| title_full | Vegetation dynamics influenced by climate change and human activities in the Hanjiang River Basin, central China |
| title_fullStr | Vegetation dynamics influenced by climate change and human activities in the Hanjiang River Basin, central China |
| title_full_unstemmed | Vegetation dynamics influenced by climate change and human activities in the Hanjiang River Basin, central China |
| title_short | Vegetation dynamics influenced by climate change and human activities in the Hanjiang River Basin, central China |
| title_sort | vegetation dynamics influenced by climate change and human activities in the hanjiang river basin central china |
| topic | Normalized difference vegetation index Vegetation growth Residual trend analysis Precipitation Temperature Urbanization |
| url | http://www.sciencedirect.com/science/article/pii/S1470160X22010597 |
| work_keys_str_mv | AT shaokangyang vegetationdynamicsinfluencedbyclimatechangeandhumanactivitiesinthehanjiangriverbasincentralchina AT jiliu vegetationdynamicsinfluencedbyclimatechangeandhumanactivitiesinthehanjiangriverbasincentralchina AT chenghaowang vegetationdynamicsinfluencedbyclimatechangeandhumanactivitiesinthehanjiangriverbasincentralchina AT tezhang vegetationdynamicsinfluencedbyclimatechangeandhumanactivitiesinthehanjiangriverbasincentralchina AT xiaohuadong vegetationdynamicsinfluencedbyclimatechangeandhumanactivitiesinthehanjiangriverbasincentralchina AT yanliliu vegetationdynamicsinfluencedbyclimatechangeandhumanactivitiesinthehanjiangriverbasincentralchina |