China and the New Silk Road by Unknown

Author:Unknown
Language: eng
Format: epub
ISBN: 9783030433994
Publisher: Springer International Publishing

Linear Infrastructures as Drivers of Biodiversity Changes

Linear infrastructures, including roads, railways, power-lines, pipelines and fences are responsible for a number of direct and indirect impacts on biodiversity, where the negative effects often outweigh any positive outcomes (Forman and Alexander 1998; Forman et al. 2003; Van der Ree et al. 2015; Borda-de-Água et al. 2017).

Direct Impacts

The most visible and perhaps the most pernicious direct impact is the mortality due to animal-vehicle collisions. Throughout the world several studies have reported striking mortality rates for numerous species. For example, over two million mammals are estimated to be road-killed every year solely in Brazil (González-Suárez et al. 2018), and the annual bird mortality in the United States is estimated to range from 12 to 64 Mio. on power lines (Loss et al. 2013). However, such studies are uncommon in Africa and given the exceptional biodiversity of this continent, particularly the megafauna of central Africa and their vast migrations (Wilkie et al. 2000), there is still scarce information on how wildlife population will respond to the new linear infrastructures and increasing traffic volumes.

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