Humans get in the way of mammal movement – Humans modify natural landscapes in a variety of ways, from constructing expansive cityscapes to fencing off otherwise untouched rangeland. A new study, co-authored by biologists at the University of Maryland, describes the extent to which highly modified landscapes impede the movement of 57 land-based mammal species from around the world. On average, these mammals cover about a third to half of the distance they would otherwise travel in wild, unm…

http://ow.ly/Xi9F50gfK6u

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