منابع مشابه
Impacts of roads and linear clearings on tropical forests.
Linear infrastructure such as roads, highways, power lines and gas lines are omnipresent features of human activity and are rapidly expanding in the tropics. Tropical species are especially vulnerable to such infrastructure because they include many ecological specialists that avoid even narrow (<30-m wide) clearings and forest edges, as well as other species that are susceptible to road kill, ...
متن کاملImpacts of roads and hunting on central African rainforest mammals.
Road expansion and associated increases in bunting pressure are a rapidly growing threat to African tropical wildlife. In the rainforests of southern Gabon, we compared abundances of larger (>1 kg) mammal species at varying distances from forest roads and between hunted and unhunted treatments (comparing a 130-km2 oil concession that was almost entirely protected from bunting with nearby areas ...
متن کاملquantifying the impacts of roads on isfahan landscape pattern using gradient analysis and landscape metrics methods
quantifying urban landscape is fundamental for monitoring and assessing ecological and socioeconomic consequences of urbanization. expansion of roads is a significant factor driving urban landscape change. the aim of this research is quantifying impacts of roads on isfahan city landscape. to achieve this aim, land use map of isfahan was created in 6 classes: urban, green spaces, agricultural, b...
متن کاملA conceptual framework for assessing impacts of roads on aquatic biota
Roads are pervasive features of modern landscapes and have major impacts on air, land, and water quality. The United States has >6.2 million km of public roads used by >200 million vehicles (National Research Council [NRC]1997). Road corridors (road plus maintained parallel strips) cover 1% of the United States (NRC 1997) but their direct environmental impacts extend to 20% of the land surface ...
متن کاملCrash Prediction on Rural Roads
Historical data confirm that rural roadways carry less than half of America’s traffic but account for the majority of the nation’s vehicular deaths. According to NHTSA, Wyoming has the highest crash fatality rate in the nation with a reported 2009 road death rate of 24.6 per 100,000 population, more than twice the national average of 11.0. High speed two-lane rural roads are believed to contrib...
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ژورنال
عنوان ژورنال: Nature Climate Change
سال: 2013
ISSN: 1758-678X,1758-6798
DOI: 10.1038/nclimate1919