Test Exam 2 Flashcards
Explain using an example what we mean by:
Economic valuation of nature
Total Economic Value [TEV]
You have a direct use/value consumptives/non-consumptives like food, fiber, fresh water.
So what the economic valuation of nature means is that you can suppress nature with a value for what it produces.
What is the relation between valuation of nature and the millennium ecosystem assessment?
Use The explanation of value of nature in your answer.
In the MEA, the ecosystem services are named, the ecosystem services van be valued because they give us provisions.
The value of nature means the value of what nature gives us in provisions, regulations, cultural services and supporting values.
What can be negative consequences of the valuation of nature? Mention at least two
Most valuations are all economic
Not everyone everywhere values the same things the same amount.
Mention and describe the ecosystem services and explain what is meant with ‘ecosystem services’
Ecosystem services are the many and varied benefits provided by the natural environment and healthy ecosystems.
These are divided in three categories:
- Provisional services: Food, fiber, biochemicals, fresh water.
- Regulation services: Thermoregulation, pollution, air purification, climate regulation, disease regulation, water purification.
- Cultural services: Aesthetic, education, spiritual believes, inspiration, sense of being.
The difference between rainwater and surface water for marshland vegetation succession.
Natural water levels are high in winter and dry in summer with rainfall, rainwater driven -> This water is nutrient poor.
Surface water is managed, it is low in winter for early access in spring and slightly higher in summer. -> This water is nutrient rich.
Name 5 management measures that are part of development and maintenance of flower-rich grassland.
- Mowing time
- Mowing area
- Different vegitation types
- Cycle management (from seed to flower)
- Green areas
- Specialized machinery
