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The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...
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Towards tradable permits for filamentous green algae pollution.

W J de Lange1, A M Botha2, P J Oberholster1

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Developing effective water pollution permit systems is crucial, especially for nutrient enrichment from agriculture. This study estimates pollution impact value to set permit prices, aiding environmental management in developing nations.

Keywords:
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Area of Science:

  • Environmental Science
  • Environmental Economics
  • Agricultural Science

Background:

  • Designing and implementing functional water pollution permit systems is challenging, particularly in developing countries.
  • Nutrient enrichment from commercial agriculture is a significant source of water pollution.
  • Existing operational systems are scarce, highlighting the need for new approaches.

Purpose of the Study:

  • To present progress on developing a nutrient enrichment water pollution permit system.
  • To estimate the monetary value of agricultural pollution impacts.
  • To establish a reserve price for pollution permits based on estimated economic impacts.

Main Methods:

  • Applied a production function approach to estimate the monetary value of pollution impacts.
  • Defined a five-step market-making process for pollution permits.
  • Included permit design, terms, conditions, transactional protocols, monitoring, piloting, and implementation.

Main Results:

  • The monetary value of pollution impact was estimated at R1887 per hectare per year.
  • This value provides a management budget for filamentous green algae mitigation.
  • A reserve price for filamentous green algae pollution permits was calculated between R2.25 and R111 per gram, with a preferred state price of R8.99 per gram.

Conclusions:

  • The study demonstrates a viable method for valuing pollution impacts to inform permit pricing.
  • The developed framework can support the creation of functional water pollution permit systems.
  • This approach offers a pathway for managing agricultural nutrient pollution and its environmental consequences.