首页> 外文期刊>Florida field naturalist: a semi-annual journal of the Florida Ornithological Society >HUMAN DISTURBANCE OF SNOWY PLOVERS (Charadrius nivosus) IN NORTHWEST FLORIDA DURING THE BREEDING SEASON
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HUMAN DISTURBANCE OF SNOWY PLOVERS (Charadrius nivosus) IN NORTHWEST FLORIDA DURING THE BREEDING SEASON

机译:繁殖季西北花粉LO(Charadrius nivosus)的人为干扰

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摘要

Snowy Plovers (Charadrius nivosus), a state-threatened shorebird in Florida, are subject to human-caused disturbance due to the proximity of their habitat to development and recreation. The degree to which human disturbance is a limiting factor for reproduction is unknown, and even basic data on disturbance rates and behavioral responses are lacking. Fencing often protects nesting areas from disturbance, but foraging and brood-rearing areas are typically unprotected. We measured rates of disturbance in plover habitat and response distances in Northwest Florida in 2010, using focal observations and track counts for unprotected foraging sites and brood-rearing sites as well as protected nest sites. Our results suggested that a 40-m buffer could prevent flushing of foraging adults by pedestrians, while a 50-m buffer could prevent alertness responses by incubating adults to pedestrians and vehicles. Foraging adults were more sensitive to humans than to potential competitors and predators, and chicks did not respond to potential disturbances except for in one observation where a pedestrian approached within 10 m. Current 50-m buffers appear adequate to prevent incubating birds from being flushed by humans in our study area. Consequences of disturbance to foraging adults require further evaluation. Chicks may be susceptible to mortality due to vehicles because they did not exhibit disturbance responses to vehicles as close as 10 m.
机译:佛罗里达州受威胁的水鸟雪奴(Charadrius nivosus)由于栖息地靠近发展和娱乐场所而受到人为干扰。人为干扰是生殖限制因素的程度尚不清楚,甚至缺乏关于干扰率和行为反应的基本数据。围栏通常可以防止筑巢区受到干扰,但是觅食和育雏区通常不受保护。我们使用重点观察和无保护的觅食地点,育雏地点以及受保护的巢穴地点的追踪计数,测量了2010年佛罗里达西北部pl生境的扰动率和响应距离。我们的结果表明,40米的缓冲区可以防止行人冲进觅食的成年人,而50米的缓冲区可以通过将成年人与行人和车辆一起孵化来防止机敏反应。觅食的成年对人类比对潜在的竞争者和掠食者更敏感,并且小鸡对潜在的干扰没有反应,除非在一项观察中,行人接近10 m。当前的50 m缓冲液似乎足以防止我们研究区域的鸟类被人冲洗。觅食成年人的干扰后果需要进一步评估。小鸡可能因车辆而死亡,因为它们对近10 m的车辆没有表现出干扰反应。

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