Protected area
A clearly defined geographical space designated and managed to conserve nature, including biodiversity, ecosystems, and associated cultural values.
IUCN protected area categories: A six-category framework classifying protected areas by management objective, from strict nature reserves to protected landscapes. These categories distinguish the conservation objectives and permitted uses that shape management.
National park: A large protected area established to conserve natural features and support compatible recreation. National parks are a widely recognized form of protected area, though rules vary by country.
Yellowstone National Park: A United States national park established in 1872, widely recognized as the first national park. Its creation became an influential precedent for state-designated protected landscapes.
Biodiversity conservation: The protection and sustainable management of biological diversity at genetic, species, and ecosystem levels. Protected areas are one major strategy for conserving biodiversity in place.
Other effective area-based conservation measure: A geographically defined area outside formal protected-area status that achieves sustained, effective in-situ biodiversity conservation. OECMs recognize conservation outcomes in places not designated as protected areas.
Protected area management: The planning and practice of governing a protected area to meet its conservation objectives. Management turns a designation into rules, staffing, monitoring, and conservation action.
Wilderness area: A protected landscape kept largely free from intensive human development and modification. Wilderness areas emphasize ecological integrity and minimal infrastructure.
World Commission on Protected Areas: An IUCN commission that supports the establishment and effective management of protected areas. It developed standards and expertise that influence protected-area practice internationally.
Habitat fragmentation: The breaking of continuous habitat into smaller, isolated patches, often through human land use. Protected areas can limit habitat loss but may remain isolated within fragmented landscapes.
Conservation easement: A legally binding agreement that limits land uses to conserve specified values, usually on privately owned land. Easements can conserve land without creating the same public designation or governance structure.