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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue May 2015, 36 (3)                                     Back


nstantaneous and historical temperature effects on a-pinene

Population trend of wintering gulls in Kadalundi-Vallikkunnu Community Reserve, Southern India 

 

K.M. Aarif1*, P.K. Prasadan1, P. M. Basheer2 and S.V. Abdul Hameed3

1Department of Zoology, Mary Matha Arts and Science College, Vemom PO, Mananthavady, Wayanad-670 645, Kerala, India

2Palishakkottu Purayil, Elettil, Koduvally, Kozhikode-673 572, Kerala, India

3Department of Zoology, Wildlife Biology Division, Farook College, Calicut-673 632, Kerala, India

*Corresponding Author?s E-mail: achuarif@gmail.com

 

 

  

 Publication Data

Paper received:

04 September 2013

 

Revised received:

25 May 2014

 

Re-revised received:

03 August 2014

 

Accepted:

28 August 2014

 

Abstract

Data on population trend of birds in stop-over sites is a prerequisite for managers to implement/execute species/ecosystem-oriented conservation programme. However, such data for wetland birds and their associated ecosystems is meagre/unavailable in India. At this juncture, population trend of gulls in Kadalundi-Vallikkunnu Community Reserve (KVCR) was evaluated on the basis of primary and secondary data collected between 1989 and 2009. Data of 1,26,103 birds belonging to five species were recorded during the study. During 2005-2009, Black-headed Gull and Brown-headed Gull were dominant species, while Pallas's Gull and Slender-billed Gull were lesser in number. In response to data on observation made during 1989, population of scavenging gulls viz., Black-headed Gull and Brown-headed Gull was increased to 165 and 135 % respectively, while the population of specialist gulls such as Pallas's Gull and Slender-billed Gull found to be stable or on decline. Increasing trend of scavenging gulls and declining pattern of specialist gulls could be attributed to the consequences of habitat loss and other anthropogenic pressure (over-fishing, mining,? pro-human developmental activities and dumping of poultry wastes) in KVCR. Site-specific conservation measures need to be undertaken across the stop-over sites in the West and East Coast of India to conserve this vital habitat in the Central Asian Flyway.   

 

 

 Key words

Kadalundi-Vallikkunnu Community Reserve, Population trend, Stop-over sites, Wintering gulls

 

 

 

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