The birds of Araku, Visakhapatnam, Andhra Pradesh, India

Avifaunal survey carried out from December 2006 to September 2007 in Araku Valley, Visakhapatnam, Andhra Pradesh, revealed the presence of a total of 147 species of birds belonging to 43 families. One-hundred-twelve species of birds in Araku Valley were resident breeders, 23 species winter visitors, nine species local migrants, two species passage migrants and one species summer visitor. Many bird species were seen in more than one habitat for nesting, roosting and foraging. The dominant feeding guild of birds was insectivorous. Four globally threatened species, namely, the Purple Wood-Pigeon Columba punicea Blyth, 1842, the Greater Spotted Eagle Aquila clanga Pallas, 1811, the Lesser Kestrel Falco naumanni Fleischer, 1818 and the Pallid Harrier Circus macrourus (S.G. Gmelin, 1770), were recorded during the survey from the are

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Not AvailableTroll line fisheries of Androth islands of Lakshadweep has basically two types of sharing systems showing different BC ratios - 1.55 was observed for 2/3 sharing system against relatively lower value of 1.23 for 1/2 sharing system. In troll line operation, the major fixed cost involved is interest on fixed capital accounting for 52.93% of total fixed cost. Fuel accounted for a massive 78.33% contribution to the variable cost. The operating cost ratio for 1/2 and 2/3 sharing systems were 0.75 and 0.59 respectively and the current estimate of labour productivity was estimated as Rs. 3088.09. KeywordsNot Availabl

Consolidated checklist of birds in the Pallikaranai Wetlands, Chennai, India

We documented the avifauna of Pallikaranai marshes located near the Chennai metropolis in southern India. In total, 110 species of migratory and resident birds including those listed in the Red Data Book were recorded. Presently the wetland is facing severe threats from various anthropogenic pressures caused due to unplanned waste disposal and land conversion. The high population of migratory as well as wetland birds in this area emphasizes the urgent need of conservation of this urban wetland