1. Consumptive use Value: These are direct use values where the biodiversity products can be harvested and consumed directly e.g. fuel, food, drugs, fibre etc.
What is the value of biodiversity?
Biodiversity is essential for preserving ecological processes, such as fixing and recycling of nutrients, soil formation, circulation and cleansing of air and water, global life support, maintaining the water balance within ecosystems, watershed protection, maintaining stream and river flows throughout the year, …
What is non consumptive value of biodiversity?
Term. the value of resources which are not diminished by their use. Values that do not require access to or active use of a biological resource by the valuer.
What is the economic value of biodiversity?
The Indirect Economic Value of Biodiversity. Biodiversity is an input to aspects of ecosystem functioning and thus to the supply of ecosystem services (such as pollination), which in turn provide benefits to people (such as outputs of insect-pollinated crops).
What is the direct value of biodiversity?
Direct values include the ways in which biodiversity is used or consumed by man e.g. fishery and forestry products, as well as the ways in which it affects mankind through its ecological processes e.g. watershed protection or the role of vegetation in the carbon and water cycles.
How many types of values are there for biodiversity?
Explanation: Economically there are two main types of values of biodiversity are there. They are, a) Use value, and b) Non use value. In Use value there are three types namely direct values, indirect values, and option values.
Which is the greatest value of biodiversity for us?
The biggest impact of biodiversity is on the environment. Healthy ecosystems help to maintain the Earth’s natural processes. Soil turnover, water purification, pest control, and other processes wouldn’t be possible without the species that support them.
What is a consumptive value?
Consumptive Use Value refers to non-market value of resources such as firewood, game meat, etc. Such resources are consumed directly, without passing through a market. They usually are not calculated (but often can be approximated). … In a number of poor countries, firewood and dung are primary energy sources.
What are non consumptive values?
Quick Reference. The value of natural resources which are not diminished by their use, that do not require the valuer to have access to them or make active use of them. Also known as non‐use value, passive use value, or existence value. Contrast use value.
What is consumptive and non consumptive?
Consumptive uses are generally considered to be those in which wildlife is killed, as in hunting, fishing and trapping. … Nonconsumptive uses are generally considered to be those in which any wildlife is watched, studied, or recorded without being killed, such as in hiking, bird- watching.
What are the 7 values of biodiversity?
Biodiversity value may be classified as follows:
- Consumptive use Value:
- Productive use Values:
- Social Value:
- Ethical Value:
- Aesthetic Value:
- Option Values:
- Ecosystem Service Value:
The social value of biodiversity includes aesthetic, recreational, cultural and spiritual values. … Thus apart from the local use or sale of products of biodiversity there is the social aspect in which more and more resources are used by affluent societies.
What are the six values of biodiversity?
The six major values are: (a) Total Environmental Value (TEnV), (b) Primary Value (PV), (c) Total Economic Value (TEV), (d) Use Value (UV), (e) Direct Use Value (DUV), (f) Indirect Use Value (IUV), and (g) Ethical and Aesthetic Values.
What is direct and indirect use value of biodiversity?
Biodiversity encompasses the variety of plant and animal species in a particular habitat or ecosystem. Direct values of biodiversity include an actual economic impact that can be gained through the various life forms. … Indirect values of biodiversity reflect the intrinsic value of the land.
What is direct and indirect value?
Use value – Can be split into Direct and Indirect use values: Direct use value: Obtained through a removable product in nature (i.e. timber, fish, water). Indirect use value: Obtained through a non-removable product in nature (i.e. sunset, waterfall).
Which value is the indirect value of biodiversity?
Indirect values would include ethical or moral value, existence value, ecological value, aesthetic value, cultural or spiritual value, option value and scientific or educational value. Social value of biodiversity lies in the more and more use of resources by affluent societies.