Wetlands Atlas - Ministry of Environment and Forests

7.1.6 Alwar
The district is situated in north east of Rajasthan between 27° 04' and 28° 04' North latitudes and 76° 07’ and
77° 13' East longitudes covering a geographical Area is about 8380 sq. km. The climate of the district is very
hot in summer and very cold in winter. The maximum temperature of the district has been 47°C. Two
seasonal rivers of the district are Ruparel and the Sabi.
In all 1200 wetlands are mapped including 1070 small wetlands (< 2.25 ha) with 12774 ha area. Rivers/
streams with 7066 ha. contributed 55.32% to the total wetland area. The tanks/ponds with 2891 ha (22.63%
area) is the second major wetland category, followed by reservoir/barrages with 949 ha area i.e. 7.43 %.
Thus, the district is dominated by man-made wetlands mainly comprised of tanks/ponds
Open water spread of the wetlands is significantly higher in Post-monsoon (3192 ha) than Pre-monsoon (747
ha) season. Aquatic vegetation is during Post-monsoon (16 ha) . The qualitative turbidity of water is low in
both the seasons. Details of estimates of wetlands in Alwar are given in Table 11.
Table 11: Area estimates of wetlands in Alwar
Area in ha
Sr.
No.
Wettcode
Wetland Category
Number
of
Wetlands
Total
Wetland
Area
% of
wetland
area
Open Water
Postmonsoon
Area
Premonsoon
Area
1100 Inland Wetlands - Natural
1 1101 Lakes/Ponds 2 798 6.25 459 279
2 1102 Ox-bow lakes/ Cut-off meanders - - - - -
3 1103 High altitude wetlands - - - - -
4 1104 Riverine wetlands - - - - -
5 1105 Waterlogged - - - - -
6 1106 River/Stream 21 7066 55.32 15 -
1200 Inland Wetlands -Man-made
7 1201 Reservoirs/Barrages 8 949 7.43 676 136
8 1202 Tanks/Ponds 99 2891 22.63 2042 332
9 1203 Waterlogged - - - - -
10 1204 Salt pans - - - - -
Sub-Total 130 11704 91.62 3192 747
Wetlands (