Changes in the wetland vegetation growth patterns in large lakes on the Yangtze Plain

Hou, Xuejiao1; Chen, Xiaoling1,2; Liu, Weizhe1; Feng, Lian3; Ali, Tarig A.4

2019

10.1080/01431161.2018.1562583

INTERNATIONAL JOURNAL OF REMOTE SENSING   影响因子和分区

0143-1161

1366-5901

In this study, the vegetation emergence times (VET), an important phenological characteristics, were obtained for 25 large lakes on the Yangtze Plain between 2001 and 2014. This was carried out by extracting the normalized difference vegetation index (NDVI) time series from the moderate-resolution imaging spectroradiometer (MODIS) data using a decision tree method. This is the first comprehensive documentation of the changes in temporal and spatial distribution in wetland vegetation phenology for large lakes on the Yangtze Plain. The results showed that considerable changes in the VET occurred in 25 wetland ecosystems in the Yangtze Plain. Specifically, 76% of the lakes showed delayed trends in the VET, and 32% of them were statistically significant (p<0.05). In contrast, 24% of the lakes displayed advanced trends in the VET and 17% of them were statistically significant (p<0.05) over the past 14years. An analysis of the driving factors of VET revealed that a VET change was more sensitive to temperature and sunshine duration than to precipitation for most of the lakes. The temperature in 1-2months before VET had great effect on the vegetation growth, while such a pattern was not evident for sunshine duration for 5months before VET. Furthermore, the amounts of chemical fertilizers used in nearby farmlands have also played an important role in the vegetation growth for some of the lakes. This record of change in vegetation phenology provides critical information for wetland ecosystem monitoring in the Yangtze Plain.

SCI ; EI

英语

其他

Collaborative Innovation Center for Major Ecological Security Issues of Jiangxi Province and Monitoring Implementation[JXS-EW-08]

Remote Sensing ; Imaging Science & Photographic Technology

Remote Sensing ; Imaging Science & Photographic Technology

WOS:000465245700010

TAYLOR & FRANCIS LTD

20190306397949

Data mining ; Decision trees ; Ecosystems ; Fertilizers ; Lakes ; Radiometers ; Trees (mathematics) ; Wetlands

Ecology and Ecosystems:454.3 ; Chemical Products Generally:804 ; Combinatorial Mathematics, Includes Graph Theory, Set Theory:921.4 ; Radiation Measuring Instruments:944.7

GEOSCIENCES

Web of Science

1.Wuhan Univ, State Key Lab Informat Engn Surveying Mapping & R, Wuhan 430079, Hubei, Peoples R China
2.Jiangxi Normal Univ, Key Lab Poyang Lake Wetland & Watershed Res, Minist Educ, Nanchang, Jiangxi, Peoples R China
3.Southern Univ Sci & Technol China, Sch Environm Sci & Engn, Shenzhen, Peoples R China
4.Amer Univ Sharjah, Dept Civil Engn, Sharjah, U Arab Emirates

Hou, Xuejiao,Chen, Xiaoling,Liu, Weizhe,et al. Changes in the wetland vegetation growth patterns in large lakes on the Yangtze Plain[J]. INTERNATIONAL JOURNAL OF REMOTE SENSING,2019,40(11):4290-4301.

Hou, Xuejiao,Chen, Xiaoling,Liu, Weizhe,Feng, Lian,&Ali, Tarig A..(2019).Changes in the wetland vegetation growth patterns in large lakes on the Yangtze Plain.INTERNATIONAL JOURNAL OF REMOTE SENSING,40(11),4290-4301.

Hou, Xuejiao,et al."Changes in the wetland vegetation growth patterns in large lakes on the Yangtze Plain".INTERNATIONAL JOURNAL OF REMOTE SENSING 40.11(2019):4290-4301.