Aim Twelve per cent of the Earth's terrestrial surface is covered by protected areas, but
neither these areas nor the biodiversity they contain are evenly distributed spatially. To …

For metrics, such as extent of protected areas, to inform global conservation efforts, the data
sets on which the metrics are based must be comparable. The World Database on Protected …

Over the past 30 years, conservationists have sought ways to assess the quality of coverage
provided by protected areas and to guide future site selection. One scheme among these …

There are now over 100 000 protected areas worldwide, covering over 12% of the Earth's
land surface. These areas represent one of the most significant human resource use …

In late 2020, governments will set the next decade of conservation targets under the UN
Convention on Biological Diversity. Setting new targets requires understanding how well …

Map-based prioritization systems have become ubiquitous tools for allocating resources for
biological conservation. Although the scientific basis for these systems continues to be …

To contribute to the aspirations of recent international biodiversity conventions, protected
areas (PAs) must be strategically located and not simply established on economically …

Background Protected areas, regarded today as a cornerstone of nature conservation, result
from an array of multiple motivations and opportunities. We explored at global and regional …

Governments have agreed to expand the global protected area network from 13% to 17% of
the world's land surface by 2020 (Aichi target 11) and to prevent the further loss of known …

Biodiversity hotspots are rich in endemic species and threatened by anthropogenic
influences and, thus, considered priorities for conservation. In this study, conservation …