Abstract
Avifaunal study was carried out in Panipat refinery area before and after commissioning. A total of 63 birds were observed during the study, of which 39 and 49 birds were present during 1992 and 2001 respectively. Of these, 25 birds were common during both the study period. Blue rock pigeon was most dominant during 1992 whereas house sparrow was dominant during 2001. Species diversity index was found to be 5.26 and 6.64 in respective years. Jaccard's and Sorenson similarity indices were 0.40 and 0.57 respectively. Majority of birds were insectivorous in habits followed by granivorous birds in 1992 and piscivorous birds in 2001. The study reveals that less diversity was observed in 1992 when Panipat refinery was commissioned, but more birds especially aquatic ones were observed after the commissioning of the refinery. This has been attributed to increase in birds habitats due to developments of wetlands in and outside refinery, development of green belt around refinery and increase in green cover of area due to boosting of agroforestry and social forestry.
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