Publication: Effects of grazing on nesting of the Oriental pratincole (Glareola maldivarum) in Bueng Boraphet Wetland, Thailand.
Accepted Date
2013-10-02
Issued Date
2014-02
Resource Type
Language
eng
ISSN
0289-0003
Rights
Mahidol University
Rights Holder(s)
Zoological Society of Japan
Bibliographic Citation
Zoological Science. Vol. 31, No. 2 (2014), 77-82.
Suggested Citation
Rattanawat Chaiyarat, Kairat Eiam-Ampai, รัตนวัฒน์ ไชยรัตน์ Effects of grazing on nesting of the Oriental pratincole (Glareola maldivarum) in Bueng Boraphet Wetland, Thailand.. Zoological Science. Vol. 31, No. 2 (2014), 77-82.. doi:http://dx.doi.org/10.2108/zsj.31.77 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/48401
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Title
Effects of grazing on nesting of the Oriental pratincole (Glareola maldivarum) in Bueng Boraphet Wetland, Thailand.
Abstract
Livestock grazing may negatively impact bird nesting in wetland habitats. This study evaluated the effect of grazing on the nests of the Oriental pratincole (Glareola maldivarum) along the grassland of a wetland at six study sites with different densities of grazing cattle and buffalo. Species richness, density, cover, and height of vegetation in the study areas were different (P < 0.05). The density of cattle and buffalo at the various sites affected vegetation composition and amount, which in turn influenced bird nest density. The estimated trampling rates, number of fledglings, and number of trampled eggs were different among study sites (P < 0.05). The density of cattle and buffalo has an influence on nest failure rates. The factors that influenced the mortality rates of the Oriental pratincole were trampling and unhatched eggs. Only 48.5% of the nests were successful at sites where cattle and buffalo continuously grazed in the grasslands at high densities. Thus, increases in the density of cattle and buffalo will reduce the number of nests of the Oriental pratincole, which may result in a reduction of the overall population in the future