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Full-Text Articles in Physical Sciences and Mathematics

Soil Conservation/Water Quality Wetlands And Symposium Jan 1995

Soil Conservation/Water Quality Wetlands And Symposium

Journal of the Minnesota Academy of Science

No abstract provided.


Influence Of Vegetated Wetlands On The Water Quality Of Two Glacial Prairie Lakes, Lois Haertel, Walter G. Duffy, Daniel E. Kokesh Jan 1995

Influence Of Vegetated Wetlands On The Water Quality Of Two Glacial Prairie Lakes, Lois Haertel, Walter G. Duffy, Daniel E. Kokesh

Journal of the Minnesota Academy of Science

We investigated the influence of vegetated wetlands on water quality of two eastern South Dakota glacial prairie lakes. Surface water from a 5,880 ha pastured basin drains into a 90 ha upstream Typha wetland and enters Lake Enemy Swim passing 400 m through Typha-Scirpus littoral wetland. A second 1,290 ha basin characterized by row crops and pasture drains into a 260 ha open water slough entering L. Enemy Swim adjacent to Typha-Scirpus littoral wetland. Water enters Lake Cochrane from two smaller drainage basins. Water from a 180 ha basin consisting of a pasture and wet meadow enters the lake after …


Wetlands/Groundwater Quality In Agricultural Landscapes, D. H. Rickerl, D. E. Kringen, T. A. Machacek Jan 1995

Wetlands/Groundwater Quality In Agricultural Landscapes, D. H. Rickerl, D. E. Kringen, T. A. Machacek

Journal of the Minnesota Academy of Science

In the Prairie Pothole Region (PPR - SO, NO, MN, IA), wetlands classified as "semi-permanent" or "seasonal" can act as groundwater recharge sites. The nutrient filtering capacity of wetlands has been investigated for both natural and constructed wetlands linked to surface water, but there is little information available on their subsequent impact on groundwater quality. This study investigates four seasonal and two semi-permanent wetlands in the PPR of eastern South Dakota. Transitional no-till (TNT) and organic farm (ORG) management systems border the wetlands. The objective is to determine the effects of farm management system on wetland surface water and groundwater …


Restoring Agricultural Drained Wetlands: A "Reinvest In Minnesota" (Rim) Initiative, Thomas A. Wenzel, David H. Behm Jan 1995

Restoring Agricultural Drained Wetlands: A "Reinvest In Minnesota" (Rim) Initiative, Thomas A. Wenzel, David H. Behm

Journal of the Minnesota Academy of Science

Minnesota possessed about 18.5 million acres of wetlands in 1950; by the 1980s, the acreage had been reduced to 7.5 million acres. An innovative, locally-administered state program is helping to bring back a part of this heritage.

The wetland restoration component of the Reinvest In Minnesota (RIM) Reserve Program acquires perpetual conservation easements from landowners to restore drained wetlands and convert them back to their natural state. The program provides limited funding to cover costs associated with restoring drained wetlands and establishing vegetative cover on adjacent uplands. The Board of Water and Soil Resources (BWSR) administers the program through local …


Minnesota Wetland Conservation Act: Wetland Banking System, John Jaschke, Greg Larson Jan 1995

Minnesota Wetland Conservation Act: Wetland Banking System, John Jaschke, Greg Larson

Journal of the Minnesota Academy of Science

The Minnesota Wetland Conservation Act (WCA), is a "no-net-loss" state wetland protection program that became law in June 1991. The WCA prohibits the draining and filling of wetlands unless replaced by restored or created wetlands of equal or greater public value under an approved replacement plan. Local government units (LGUs) administer this state program that includes a comprehensive yet simple wetland function and value assessment to achieve wetland replacement. The WCA also was the impetus for the development of a state wetland banking system which allows both public and private sector project sponsors to participate.

The resultant system evaluates existing …


The Role Of Economic, Management And Public Policy Factors On Post-Contract Conservation Reserve Program Land Use Decisions, Larry L. Janssen, Tecleberhan Ghebremicael Jan 1995

The Role Of Economic, Management And Public Policy Factors On Post-Contract Conservation Reserve Program Land Use Decisions, Larry L. Janssen, Tecleberhan Ghebremicael

Journal of the Minnesota Academy of Science

Most Conservation Reserve Program (CRP) contracts will expire from 1996 to 2001 , directly affecting land use of 36.4 million acres of highly erodible cropland enrolled in this land retirement program. The major objective of this study is to estimate the role of economic, management, and public policy factors on post-contract CRP land use decisions in South Dakota, a Northern Plains state with 2.1 million acres of enrolled land, 10% of the State's cropland base.

The major data source is a 1993 CRP survey sent to a random sample of 8.33 %of South Dakota CRP contract holders and completed by …


Influence Of Vegetated Wetlands On The Water Quality Of Two Glacial Prairie Lakes, Lois Haertel, Walter G. Duffy, Daniel E. Kokesh Jan 1995

Influence Of Vegetated Wetlands On The Water Quality Of Two Glacial Prairie Lakes, Lois Haertel, Walter G. Duffy, Daniel E. Kokesh

Journal of the Minnesota Academy of Science

We investigated the influence of vegetated wetlands on water quality of two eastern South Dakota glacial prairie lakes. Surface water from a 5,880 ha pastured basin drains into a 90 ha upstream Typha wetland and enters Lake Enemy Swim passing 400 m through Typha-Scirpus littoral wetland. A second 1,290 ha basin characterized by row crops and pasture drains into a 260 ha open water slough entering L. Enemy Swim adjacent to Typha-Scirpus littoral wetland. Water enters Lake Cochrane from two smaller drainage basins. Water from a 180 ha basin consisting of a pasture and wet meadow enters the lake after …


How A Refocused Crp Could Be Administered In Minnesota, David H. Behm Jan 1995

How A Refocused Crp Could Be Administered In Minnesota, David H. Behm

Journal of the Minnesota Academy of Science

Reinvest In Minnesota (RIM) Reserve and Permanent Wetland Preserves (PWP) are state conservation easement programs designed to keep certain marginal agricultural land, including drained restorable wetlands, and existing types 1, 2, 3, or 6 wetlands out of crop production to protect soil and water quality and enhance fish and wildlife habitat.

The Minnesota Board of Water and Soil Resources (BWSR) suggests an alternative approach to administering a refocused Conservation Reserve (CRP) and the new Wetland Reserve Programs (WRP), in Minnesota. BWSR could enter into a delegation agreement with the U. S. Department of Agriculture to transfer easement acquisition, practice establishment, …