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首页> 外文期刊>Zoological Science >Effects of Grazing on Nesting of the Oriental Pratincole (Glareola maldivarum) in Bueng Boraphet Wetland, Thailand
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Effects of Grazing on Nesting of the Oriental Pratincole (Glareola maldivarum) in Bueng Boraphet Wetland, Thailand

机译：放牧对泰国Bueng Boraphet湿地东方Pra（Glareola maldivarum）筑巢的影响

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摘要

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.
机译：家畜放牧可能会对湿地栖息地的鸟类筑巢产生不利影响。本研究在六个密度不同的放牧牛和水牛的研究地点，评估了放牧对沿湿地草原的东方普拉托克（Glareola maldivarum）巢的影响。研究区的物种丰富度，密度，覆盖度和植被高度不同（P <0.05）。不同地点的牛和水牛密度影响植被组成和数量，进而影响鸟巢密度。研究地点之间的估计践踏率，幼雏数量和践踏卵数量不同（P <0.05）。牛和水牛的密度对筑巢失败率有影响。影响东方p草死亡率的因素是践踏和未孵化的卵。只有48.5％的巢穴在高密度的草原上持续放牧牛和水牛的地方成功。因此，增加牛和水牛的密度将减少东方p草的巢穴数量，这可能导致未来总人口减少。

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