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Extreme clonal uniformity of Phoxinus eos/neogaeus gynogens (pisces: Cyprinidae) among variable habitats in northern Minnesota beaver ponds.
Proceedings of the National Academy of Sciences of the United States of America·1995
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Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface
Published on: June 8, 2015
Water resources and the land-water interface.
Science (New York, N.Y.)
|July 21, 1978
Summary
Effective agricultural watershed planning requires integrated "best management systems" that consider the land-water interface, not just erosion control, to improve water quality.
Area of Science:
- Environmental Science
- Water Resource Management
- Agricultural Engineering
Background:
- Section 208 of Public Law 92-500 mandates nonpoint source pollution control plans for agricultural lands.
- Current planning often incorrectly equates erosion control with water quality improvement.
- Some management practices can harm water quality, reducing overall effectiveness.
Purpose of the Study:
- To highlight the critical role of the land-water interface in agricultural watershed water quality.
- To advocate for a more holistic approach to nonpoint source pollution planning.
- To promote the development of comprehensive 'best management systems'.
Main Methods:
- Review of current planning practices and their limitations.
- Analysis of the relationship between land use, erosion, and water quality.
Main Results:
- Erosion control alone does not guarantee water quality improvements.
- Channel management practices can negatively impact water quality.
- The land-water interface is a crucial, often overlooked, factor in water quality regulation.
Conclusions:
- Effective nonpoint source pollution control requires integrated planning.
- Developing 'best management systems' incorporating multiple disciplines is essential.
- A comprehensive understanding of watershed dynamics, including the land-water interface, is vital for successful water quality management.