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Integrating small mammal community variables into aircraft–wildlife collision management plans at Namibian airports

Integrative Zoology 2015年第6期10卷 515-530页

作者： Morgan L.HAUPTFLEISCH Nico L.AVENANT Department of Agriculture and Natural Resources Sciences Polytechnic of NamibiaWindhoekNamibia Department of Mammalogy National Museumand Centre for Environmental ManagementUniversity of the Free StateBloemfonteinSouth Africa

Understanding ecosystems within and around airports can help to determine the causes and possible mitigation measures for collisions between aircraft and *** mammal communities are an important component of the semi-arid savanna ecosystems of Namibia,its productivity and its ecosystem *** are also a major direct attractant for raptors at *** present study compared the abundance and diversity of small mammals between Namibia’s 2 main airport properties(Hosea Kutako International Airport and Eros Airport),and among areas of land used for various purposes surrounding the airports.A total of 2150 small mammals(3 orders,11 species)were captured over 4 trapping *** mammal abundance was significantly higher at the end of the growing season than during the non-growing *** grass mowing regimen in current management plans at the airports resulted in a significant reduction of small mammal abundance at Hosea Kutako during the non-growing season only,thus indicating that annual mowing is effective but insufficient to reduce the overall abundance of mammal prey species for *** mammal numbers were significantly higher at Hosea Kutako Airport compared to the cattle and game farming land surrounding the airport,while no differences in small mammal densities or diversity were found for areas with different land uses at and surrounding *** study suggests that the fence around Hosea Kutako provides a refuge for small mammals,resulting in higher *** also indicates that different surrounding land use practices result in altered ecosystem function and productivity,an important consideration when identifying wildlife attractants at airports.

关键词： airport ecosystems bird strike risk Namibia small mammal indicators

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