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Nayak, Lakshman
- Conservation and Management of Salt Water Crocodile (Crocodylus porosus) in Relation to Some Physico-Chemical Parameters from Bhitarkanika Sanctuary, Orissa
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Authors
Affiliations
1 Department of Marine Sciences, Berhampur University, Berhampur-760 007, Orissa, IN
1 Department of Marine Sciences, Berhampur University, Berhampur-760 007, Orissa, IN
Source
Nature Environment and Pollution Technology, Vol 10, No 3 (2011), Pagination: 389-394Abstract
Bhitarkanika is the second largest mangrove forest of India, situated in the East Coast of Orissa. It stretches over an area of 672 sq. km inhabiting several flora and fauna. The rare and endangered species like saltwater crocodile (Crocodylus porosus) is found in Bhitarkanika Wildlife Sanctuary. The salt water crocodile breeding centre started from 1975 with 24 number of crocodiles. Within 36 years of its existence, the salt water crocodiles have reached up to 1610 during 2009-10. The water temperature of the sanctuary varied from 27.6°C to 36.10°C, and air temperature from 27.3°C to 35°C. The pH value ranged from 6.7 to 9.2. Salinity fluctuated from 8.1 to 31.2 ppt. The dissolved oxygen concentration ranged from 5.1 to 9.9 mL/L. The highest percentage of population of saltwater crocodile result was +26.58 % in the year 1999-2000 and the lowest percentage was -6.70 % in the year 2004-05. Though, there is an increase in the crocodile population over the years, it is not quite satisfactory. Therefore, it is our obligatory duty to conserve the rare and endangered species of salt water crocodile and to make proper management plan for increase in its population in Bhitarkanika sanctuary.Keywords
Bhitarkanika Sanctuary, Mangrove Forest, Saltwater Crocodile, Conservation.- A Study on Bhitarkanika Mangrove Forest: A Sensitive Fragile Ecosystem
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Authors
Affiliations
1 Deptt. of Marine Sciences, Berhampur University, Bhanja Bihar, Berhampur-760 007, Orissa, IN
1 Deptt. of Marine Sciences, Berhampur University, Bhanja Bihar, Berhampur-760 007, Orissa, IN
Source
Nature Environment and Pollution Technology, Vol 8, No 1 (2009), Pagination: 43-47Abstract
Out of 110 species of mangroves, identified on the globe, 63 species are found in Bhitarkanika. The mangroves support marine life of 60 genera and 64 species of microfauna, 34 genera and 55 species of meiofauna, 19 species of amphibians, 42 species of reptiles including the rare and endangered sea turtle, more than 200 species of birds, 60 species of mammals, and 6 species of marine mammals. Three hundred species of fishes and 229 species of crustaceans also inhabit this sanctuary. The wild animals such as leopard, cat, fishing cat, jungle cat, hyena, wild boar, spotted dear, sambar, porcupine, python, dolphin, king cobra, salt water crocodiles, water monitor lizard, terrapins, common mongooses, Indian field mouse, and Indian mole rat are living in this sanctuary. The water temperature of the sanctuary varied from 25°C to 32°C, and air temperature from 28°C to 36°C. The pH value ranged from 6.98 to 8.7. Salinity fluctuated from 9 ppt to 33.8 ppt. The dissolved oxygen ranged from 2.325 mg/ L to 7.250 mg/L, carbonate alkalinity from 25 mg/L to 60 mg/L, and bicarbonate alkalinity from 65 mg/L to 120 mg/L.Keywords
Bhitarkanika Forest, Mangroves, Coastal Wetland, Hydrological Parameters.- Socioeconomic Condition of Fishermen and its Effect on Environment: A Case Study of Ganjam District, Orissa
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Authors
Affiliations
1 P.G. Department of Marine Sciences, Berhampur University, Berhampur-760 007, Orissa, IN
2 Department of Agriculture Economics, Orissa University of Agriculture & Technology, Bhubaneswar -751 003, Orissa, IN
1 P.G. Department of Marine Sciences, Berhampur University, Berhampur-760 007, Orissa, IN
2 Department of Agriculture Economics, Orissa University of Agriculture & Technology, Bhubaneswar -751 003, Orissa, IN