Full text: Resource and environmental monitoring (A)

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IAPRS & SIS, Vol.34, Part 7, “Resource and Environmental Monitoring”, Hyderabad, India, 2002 
  
year. Thus the difference was 11.9 ma or 3.64 per cent of the 
reported figure by DES for the entire country during 1988 — 89. 
The GCA accounted for 204.58 mha and cropping intensity is 
135.05 per cent (Table 3). 
The forest (within notified area) accounted for 42.05 mha or 
12.79 per cent to TGA and the forest (outside notified area) 
accounted for 5.57 mha (excluding area under forest blanks of 
0.08 mha or 0.02 per cent) or 1.71 per cent of TGA. Also, 
about 2.44 mha or 0.03 per cent of area (within notified area) 
was devoid of forest cover and was utilised for other land use / 
land cover such as crop land, shifting cultivation, built up area 
and wastelands. Total area under wastelands estimated in the 
country based on 1:250,000 scale of mapping was 75.53 mha or 
22.98 per cent to TGA (Table-1 and 2). 
Table 3: Area under Agricultural land use categories, India 
(1988 — 89) 
  
  
  
  
  
  
  
  
  
Sl. | Category Area in | Percentage of 
No. hectares total agricultural 
area 
1; Kharif / crop land 120586769 72,97 
2, Rabi crop land 76300445 46.17 
3. Double cropped 53105792 32.14 
area 
4. Net area sown 143781426 87.01 
5. Gross cropped area 19687218 
6. Fallow land* 13762590 8.33 
7; Agricultural 7700343 4.66 
plantation 
  
  
  
  
  
*Current / seasonal 
Total agricultural land: 1652,44,359 ha; Cropping intensity: 
136.94 per cent (Gross cropped area / net area sown x 100) 
Table —4: Area under land use / land cover categories within notified forest area, India (1988 — 89) 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
SI. No. Category Area in hectare Percentage of total forest 
area 
1. Evergreen / semi-evergreen* 13472546 21:56 
2. Deciduous Forest* 27150351 43.45 
3. Degraded forest 16274270 26.04 
4. Forest blank* 1733512 2.71 
3. Forest plantation* 1077793 1772 
6. Mangrove forest* 350067 0.56 
7. Cropland 501278 0.80 
8. Fallow 937 Negligible 
0. Agricultural plantation 9618 0.01 
10. Abandoned jhum / bamboo 1385720 2:22 
forest 
11. Abandoned jhum / juvenile tree 150838 0.24 
forest 
12. Shifting cultivation 62719 0.10 
13. Grassland grazing land 813 Negligible 
14. Gullied ravinous area 29493 0.05 
15. Marshy / swampy area 24585 0.04 
16. Sandy area 2113 Negligible 
17. Barren rocky / stony waste 274920 0.44 
sheet rock area 
18. Built-up area 1728 Negligible 
19, Salt pans area 13 Negligible 
Total: 62503314 100.00 
  
  
* Area of 711,820 ha of evergreen / semi-evergreen 46.63,524 ha of deciduous, 41,659 ha of forest plantation 80,341 ha of forest 
blanks and 1,54,932 ha of mangrove forest outside the notified forest boundaries, is not included. 
3.3 Reconciliation of Area Statistics generated by Remote 
Sensing and Ground based Techniques 
The land use / land cover area statistics derived from satellite 
data at the district level for the base year 1988 — 89 were 
compared with the figures published by the Bureau of 
Economics and Statistics, Directorate of Economics and 
Statistics (DES), Ministry of Agriculture (MOA), Government 
of India, for the same period for consistency and compatibility. 
Firstly, the comparison was made by matching the different 
land use classes in both to ‘one-to-one’ common group and 
secondly by comparing the definitions / explanations of each 
class with respect to the ‘Nine-fold Classification’ on the land 
utilisation adopted by BES and DES / MOA. On comparison, 
difference in areas were noticed with respect to the net area 
sown (NAS), land put to non-agricultural use and pasture land. 
541 
But the major difference in area was observed with respect to 
net area sown and land put to non-agricultural use. 
The difference in the area reported under net area sown was 
around 15 — 20 per cent less than the figure derived by remote 
sensing in most of the districts / states in the country. To 
enable to understand the causes of variation of difference in 
figures (on request from the Planning Commission, and 
Ministry of Agriculture, Government of India) a reconciliation 
survey (verification of information derived from Remote 
sensing techniques and ground data collection / reportiifg 
system by BES) was jointly undertaken between NRSA, BES, 
Agriculture, Revenue and Land Records Departments, from 
Government of Andhra Pradesh, in selected three sample 
districts (representing different agro-climatic conditions) viz, 
Krishna, Kurnool and Nalgonda covering 15 mandals, 45 
 
	        
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