In GCSE Geography students will look at wildlife corridors. This quiz examines some of the ways we can give animals safe passage through the landscape and around our developments. It also looks at how some of our activities are an obstruction to them.
Nature reserves and wildlife areas may be allowing individuals to live and survive, but without being able to move safely from one area to another the genetic diversity of a group is extremely restricted. Wildlife corridors allow the safe passage of animals between reserves and protected areas. As well as increasing the genetic diversity, these corridors protect the species as a whole against localised disasters such as forest fires or disease. These routes also allow animals to forage over a wider area and to migrate. They also make it possible for juveniles to disperse.
Some examples of massive wildlife corridors include the China-Russia Tiger Corridor and the Siju-Rewak Corridor in the Garo Hills of India. This corridor protects an important population of elephants, linking the Siju Wildlife Sanctuary and the Rewak Reserve Forest together. As well as elephants, the area contains another 139 species of animals, including tigers, bears and leopards. The Paseo del Jaguar is a proposed corridor running from the United States, through Mexico and Central America to South America to allow the movement of jaguars. As well as the corridor there will be a series of refuges, large enough for the jaguars to stop for a day or two and hunt.
Underpasses and bridges can provide safer passage for both animals and humans, reducing the interaction between road users and wildlife and therefore the number of deaths and accidents. Migratory species seem to be quick to learn where the safe passes are, and local species equally begin to use them if the surrounding human activity and the design of the refuge is correct.
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