Trajectories of land cover transformation in zonal types of landscapes of Indochina
https://doi.org/10.31857/S0869-607115141-14
Abstract
The article deals with the study of the land cover change of Indochina based on the MODIS Land Cover database for 2001-2012. Geospatial land cover data, which are objectively recorded land surface characteristics, are widely used for small-scale mapping of landscapes and ecological systems. The case region of Indochina was selected for the analysis of land cover transformation. In recent decades it has been undergoing active transformation of land use, associated with rapid economic development, substantial population growth, and reorientation of the agricultural sector to foreign markets. The processes of land cover change were studied within the boundaries of zonal types of landscapes, altitudinal zonality spectra, and groups of intrazonal landscapes. The density of changes is uneven in different zonal types of landscapes, the greatest range of transformations is characteristic to the deciduous monsoon forests, semi-evergreen forests (in the subequatorial belt), and within river valleys. The main trajectories of land cover change for 2001-2012 are as follows: 1) expansion of arable areas due to the reduction of forests, savannas and grasslands; 2) the likely increase in the area of perennial plantations (mainly rubber trees and oil palm); 3) forest degradation and spread of savannas; 4) fluctuations of land under shifting cultivation. Since the 2000s commercial production of perennial cash crops is the main cause of deforestation in the region. Land clearing for these needs could have a greater impact on forest cover than logging. The revealed features of land cover change for Indochina made it possible to specify the regional characteristics of the transformation processes as compared to global typology of land cover changes.
About the Authors
N. N. Alekseeva
Lomonosov Moscow State University
Russian Federation
Russian Federation
O. A. Klimanova
Lomonosov Moscow State University
Russian Federation
Russian Federation
D. A. Tretyachenko
Lomonosov Moscow State University
Russian Federation
Russian Federation
A. I. Bancheva
Lomonosov Moscow State University
Russian Federation
Russian Federation
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Review
For citations:
Alekseeva N.N., Klimanova O.A., Tretyachenko D.A., Bancheva A.I. Trajectories of land cover transformation in zonal types of landscapes of Indochina. Proceedings of the Russian Geographical Society. 2019;151(4):1-14. (In Russ.) https://doi.org/10.31857/S0869-607115141-14
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