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Forests 2017, 8(7), 238; doi:10.3390/f8070238

Assessment of Forest Degradation in Vietnam Using Landsat Time Series Data

Earth Resources Observation and Science Center, United States Geological Survey, Sioux Falls, SD 57198, USA
Vietnam National University of Forestry, Xuan Mai, Chuong My, Hanoi 100000, Vietnam
Department of Science, Technology and Environment, Ministry of Agriculture and Rural Development, No. 2 Ngoc Ha, Badinh, Hanoi 100000, Vietnam
Eastern Geographic Science Center, United States Geological Survey, Reston, VA 20192, USA
Inuteq, Earth Resources Observation and Science Center, Sioux Falls, SD 57198, USA
Geospatial Science Center of Excellence, South Dakota State University, Brookings, SD 57006, USA
Department of Agriculture and Rural Development of Lam Dong Province, No. 36, Tran Phu, Ward 4, Dalat City 670000, Lam Dong Province, Vietnam
Bidoup Nui Ba National Park, No. 5E, Tran Hung Dao, Dalat City 670000, Lam Dong Province, Vietnam
Author to whom correspondence should be addressed.
Academic Editor: Sean Healey
Received: 18 April 2017 / Revised: 27 June 2017 / Accepted: 29 June 2017 / Published: 4 July 2017
(This article belongs to the Special Issue Remote Sensing of Forest Disturbance)
View Full-Text   |   Download PDF [35762 KB, uploaded 4 July 2017]   |  


Landsat time series data were used to characterize forest degradation in Lam Dong Province, Vietnam. We conducted three types of image change analyses using Landsat time series data to characterize the land cover changes. Our analyses concentrated on the timeframe of 1973–2014, with much emphasis on the latter part of that range. We conducted a field trip through Lam Dong Province to develop a better understanding of the ground conditions of the region, during which we obtained many photographs of representative forest sites with Global Positioning System locations to assist us in our image interpretations. High-resolution Google Earth imagery and Landsat data of the region were used to validate results. In general, our analyses indicated that many land-use changes have occurred throughout Lam Dong Province, including gradual forest to non-forest transitions. Recent changes are most marked along the relatively narrow interfaces between agricultural and forest areas that occur towards the boundaries of the province. One important observation is that the most highly protected national reserves in the region have not changed much over the entire Landsat timeframe (1972–present). Spectral changes within these regions have not occurred at the same levels as those areas adjacent to the reserves. View Full-Text
Keywords: forest degradation; land use change; Vietnam; Lam Dong Province; Landsat time series forest degradation; land use change; Vietnam; Lam Dong Province; Landsat time series

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Vogelmann, J.E.; Khoa, P.V.; Lan, D.X.; Shermeyer, J.; Shi, H.; Wimberly, M.C.; Duong, H.T.; Huong, L.V. Assessment of Forest Degradation in Vietnam Using Landsat Time Series Data. Forests 2017, 8, 238.

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