Role and Trends of Protected Areas in Conservation

摘要: Protected areas are the cornerstones of biodiversity conservation. Encompassing some 13% global land surface and almost 1.5% oceans, protected represent one largest forms land-use allocation management in existence. Over time, natural have been as sacred places, sources food, other resources, appreciation scenery recreation opportunities, to conserve biodiversity. Scientific knowledge shaped selection, design, sites. As area theory developed twentieth century, extent worldwide increased dramatically, though large gaps remain. It seems likely that within a few decades, ownership use world’s terrestrial will largely be assigned, with marine spaces lagging only short way behind. areas, their myriad systems, become more isolated fragmented by human activity surrounding these at once far most important tool for safeguarding nature yet less effective doing so. Perhaps, if social economic values this estate is clearly established, recognition lead reduction threats from without areas.