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Passages For Wildlife! How To Reduce The Dramatic Effect Of Roads On Biodiversity By Margaux d’Ambly and Andréa Poiret Landscape fragmentation is known to be one of the main causes for the decline of biodiversity worldwide. The multiplication of transport infrastructures over the last decades has changed the landscape drastically, heavily affecting natural ecosystems and wildlife. Highways are acting as physical barriers, which hampers wildlife movements and disrupts habitat connectivity. Additionally, collisions with vehicles are direct sources of wildlife mortality, which can be catastrophic to some animal populations. The “barrier effect” The survival of animal populations relies on their ability to move freely across the landscape. Indeed, animals are always searching for food, a shelter or a partner to reproduce with. The construction of transport infrastructures enhances a “barrier effect,” induced by the fencing of roads and/or the noise and light ....
Tony Clevenger, a wildlife scientist living in Banff for the past six months, recently launched a petition in the hopes of silencing trains' blaring horns when they pass through the townsite, which he says happens multiple times a day. ....