Three-quarters of these cork oak forests could be lost within the decade, threatening jobs and ecosystems.
Independent musicians help to keep the ecosystem of popular music healthy.
• Biodiversity setting
• Certain scientific niche
• Community of organisms
• Environmental community
• Environmental group functioning as a unit
• Environmentalist's concern
• A system formed by the interaction of a community of organisms with their physical environment
экосистема, экологическая система; биогеоценоз
экосистема; экологическая система.