Characterization of agroecosystem based on land utilization indices using remote sensing and GIS

Journal of the Indian Society of Remote Sensing - Tập 34 - Trang 23-37 - 2006
Indrani Choudhury1, M. Chakraborty1, S. C. Santra2, J. S. Parihar1
1Space Applications Centre, ISRO, Ahmedabad, India
2Department of Environmental Science, University of Kalyani, Kalyani, India

Tóm tắt

Information on various agricultural resource parameters at various levels is essential for proper management and efficient resource allocation for sustainable agricultural development. Limitations in ground-based method have encouraged the use of satellite data coupled with geographical information system (GIS) in providing spatial as well as temporal information over large and inaccessible areas. In the present study, an attempt has been made to generate raster maps using remote sensing and GIS techniques to characterize the agroecosystem of South 24 Paraganas district of West Bengal, based on land utilization indices. Information on multi-season landcover derived from the analysis of the multi-temporal RADARSAT-1 SAR and IRS-ID LISS III data as well as other ancillary information in GIS environment are the basic inputs used in the study. The present analysis shows that northern and northwestern parts are more diverse in terms of agricultural intensification as compared to the southern and northeastern parts whereas the central parts show moderate density. In terms of carrying capacity, the high carrying capacity has been observed in the southern to northeastern parts whereas the northwestern and central parts show moderate and northern parts show low carrying capacity. Overall, the characterization of agroecosystem using land utilization indices can be identified as major input to formulate a management plan for sustainable agriculture with concerns for the environment.

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Journal of the Indian Society of Remote Sensing

Tập 34

23-37

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