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Alam, Badre
- Assessment of Carbon Storage Potential and Area under Agroforestry Systems in Gujarat Plains by Co2fix Model and Remote Sensing Techniques
Abstract Views :186 |
PDF Views:99
Authors
R. H. Rizvi
1,
Ram Newaj
1,
Rajendra Prasad
1,
A. K. Handa
1,
Badre Alam
1,
S. B. Chavan
1,
Abhishek Saxena
1,
P. S. Karmakar
1,
Amit Jain
1,
Mayank Chaturvedi
1
Affiliations
1 ICAR-Central Agroforestry Research Institute, Jhansi 284 003, IN
1 ICAR-Central Agroforestry Research Institute, Jhansi 284 003, IN
Source
Current Science, Vol 110, No 10 (2016), Pagination: 2005-2011Abstract
Agroforestry is a traditional and ancient land use practice, having deliberate integration of trees with crop and livestock components. In India, agroforestry practices are prevalent in different agro-ecological zones and occupy sizeable areas. These practices have great potential for climate change mitigation through sequestration of atmospheric CO2. Carbon sequestration potential was studied in four districts of Gujarat (Anand, Dahod, Patan and Junagarh), for which field survey was conducted to collect primary data on existing agroforestry systems. The extent of agroforestry area in these districts was estimated by sub-pixel classifier using medium resolution remote sensing data (RS-2/LISS III). By sub-pixel classifier, the highest area under agroforestry was estimated in Dahod (12.48%) followed by Junagarh district (10.95%) with an average of 9.12%. Sapota (Manilkara zapota) based agroforestry was also mapped in Junagarh district, which occupied an area of 1.13%. An accuracy of 87.2% was found by sub-pixel classifier in delineation of sapota-based agroforestry in the district. Dynamic CO2FIX model has been used to estimate total carbon (biomass + soils) and net carbon sequestered in existing agroforestry systems. Net carbon sequestered over a simulated period of 30 years in Anand, Dahod, Patan and Junagarh districts was found to be 2.70, 6.26, 1.61 and 1.50 Mg C ha-1 respectively. Total carbon stock in all four districts for baseline and simulated period of 30 years was estimated to be 2.907 and 3.251 million tonnes respectively. Thus, agroforestry systems in Gujarat have significant potential in carbon storage and trapping atmospheric CO2 into biomass and soils. Hence, CO2FIX model in conjunction with remote sensing techniques can be successfully applied for estimating carbon sequestration potential of agroforestry systems in a district or a region.Keywords
Agroforestry, Geospatial, Remote Sensing, Sub-Pixel, Tree Cover.- Soil Organic Carbon Stock in Agroforestry Systems in Western and Southern Plateau and Hill Regions of India
Abstract Views :285 |
PDF Views:99
Authors
Ram Newaj
1,
O. P. Chaturvedi
1,
Dhiraj Kumar
1,
Rajendra Prasad
1,
R. H. Rizvi
1,
Badre Alam
1,
A. K. Handa
1,
S. B. Chavan
1,
Anil Kumar Singh
1,
Mayank Chaturvedi
1,
P. S. Karmakar
1,
Abhishek Maurya
1,
Abhishek Saxena
1,
Gargi Gupta
1,
Kedari Singh
1
Affiliations
1 ICAR-Central Agroforestry Research Institute, Jhansi 284 003, IN
1 ICAR-Central Agroforestry Research Institute, Jhansi 284 003, IN
Source
Current Science, Vol 112, No 11 (2017), Pagination: 2191-2193Abstract
The rising level of carbon dioxide (CO2) in the atmosphere is a major concern, as scientific evidences show that it is the primary cause of global warming. CO2 concentration is expected to double by the middle or end of the 21st century, with a temperature rise between 1.5°C and 4.5°C (ref. 1). The importance of agroforestry as a land-use system is receiving wider recognition not only in terms of agricultural sustainability, but also in issues related to carbon sequestration or climate change.References
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