Chapter 23 Flashcards
What is instrumental value of biodiversity?
A focus on the economic values a species can provide.
What is Intrinsic value of biodiveristy?
A focus on the inherent value of a species.
What are provisioning services?
Benefits of biodiversity that humans use.
What are regulating services?
Benefits of biodiversity that include climate regulation, flood control, water purification.
What are cultural services?
Benefits of biodiversity that provide aesthetic, spiritual, or recreational value.
What are supporting services?
Benefits of biodiversity that allow ecosystems to exist, such as primary production, soil formation, and nutrient cycling.
What are mass extinction events?
Events in which at least 75% of species go extinct within 2 million years.
What is biotic homogenization?
The process by which unique species compositions originally found in different regions slowly start to become more similar due to the movement of people, cargo and species.
What is biomagnification?
The process by which the concentration of a contaminant increases as it moves up the food chain.
What is the minimum viable population?
The smallest population size of a species that can persist in the fact of environmental variation.
