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Eco Evo Exam 4(c.23)

Definitions

TermDefinition
Instrumental value of biodiversity A focus on the economic value a species can provide.
Intrinsic value of biodiversity A focus on the inherent value of a species, not tied to any economic benefit.
Provisioning services Benefits of biodiversity that humans use, including lumber, fur, meat, crops, water, and fiber.
Regulating services Benefits of biodiversity that include climate regulation, flood control, and water purification.
Cultural services Benefits of biodiversity that provide aesthetic, spiritual, or recreational value.
Supporting services Benefits of biodiversity that allow ecosystems to exist, such as primary production, soil formation, and nutrient cycling.
Mass extinction events Events in which at least 75 percent of the existing species go extinct within a 2-million-year period.
Biotic homogenization The process by which unique species compositions originally found in different regions slowly become more similar due to the movement of people, cargo, and species.
Biomagnification The process by which the concentration of a contaminant increases as it moves up the food chain.
Half-life The time required for a chemical to break down to half of its original concentration.
Minimum viable population (MVP) The smallest population size of a species that can persist in the face of environmental variation.
Created by: BriawnaW