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首页> 美国政府科技报告 >Gulf Coast Network Winter Bird Monitoring Report: 2012 and 2013 Results from Palo Alto Battlefield National Historical Park.
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Gulf Coast Network Winter Bird Monitoring Report: 2012 and 2013 Results from Palo Alto Battlefield National Historical Park.

机译：墨西哥湾沿岸网络冬季鸟类监测报告：2012年和2013年帕洛阿尔托战场国家历史公园的结果。

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The Gulf Coast region provides habitat for many resident and migratory wildlife species. However, changes in land use to urbanization, agriculture, and ranching have led to significant declines in the extent of naturally vegetated coastal habitat. Additionally, past land use practices and current land use of adjacent areas has exacerbated encroachment by invasive species and shrubs on remaining coastal grassland habitats. Monitoring of bird populations on public lands in coastal habitats provides useful information for management of these species. The semi-tropical climate of south Texas provides conditions that support a diverse avifauna which includes species that are not found elsewhere within the borders of the United States. Migratory and resident birds are among 19 high-priority vital signs targeted for monitoring within the 8 National Parks of the Gulf Coast Network (GULN) as developed under the Ecological Monitoring Framework of the national vital signs monitoring program. Parks in the Gulf Coast Network provide important breeding, wintering, and migratory stop-over habitats to a wide variety of avian species. In particular, the semi-tropical climate and extant natural habitat of Palo Alto National Battlefield makes the park important for maintaining the diverse avifauna of south Texas and the Gulf Coast Network. In consequence, these avifauna are an attraction for visitors to Palo Alto National Battlefield. This report focuses on the birds utilizing Palo Alto National Battlefield during the winters of 2011-2012 and 2012-2013.

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