LeRoy Hansen
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View article: What the past suggests about future development of ecosystem service values applicable to USDA agricultural program evaluations
What the past suggests about future development of ecosystem service values applicable to USDA agricultural program evaluations Open
Much of the research on ecosystem service values (ESVs) has limited applicability to USDA program benefit analyses, largely because the models/data/results (1) lack spatial breadth and hence cannot be applied in national analyses of USDA p…
View article: Reducing Nutrient Losses From Cropland in the Mississippi/Atchafalaya River Basin: Cost Efficiency and Regional Distribution
Reducing Nutrient Losses From Cropland in the Mississippi/Atchafalaya River Basin: Cost Efficiency and Regional Distribution Open
Every summer, a large area forms in the northern Gulf of Mexico where dissolved oxygen becomes too low for many aquatic species to survive. This “hypoxic zone” is fueled by nutrient (nitrogen and phosphorus) runoff from the Mississippi/Atc…
View article: Ecosystem Service Benefits Generated by Improved Water Quality from Conservation Practices
Ecosystem Service Benefits Generated by Improved Water Quality from Conservation Practices Open
Chapter 2 of "The Valuation of Ecosystem Services from Farms and Forests: Informing a systematic approach to quantifying benefits of conservation programs"
View article: Conservation Compliance: How Farmer Incentives Are Changing in the Crop Insurance Era
Conservation Compliance: How Farmer Incentives Are Changing in the Crop Insurance Era Open
Conservation Compliance ties eligibility for most Federal farm program benefits to soil and wetland conservation. To be eligible for farm program benefits, farmers must apply an approved soil conservation system on highly erodible cropland…
View article: Historical drivers of landscape and dietary change in an agricultural frontier: Bosawas Biosphere Reserve, Siuna, Nicaragua
Historical drivers of landscape and dietary change in an agricultural frontier: Bosawas Biosphere Reserve, Siuna, Nicaragua Open
Deforestation in Central America's rain forests is a growing problem that is typically attributed to the expansion of the agricultural frontier, yet little is known about the historical drivers of migration, settlement and forest loss. Thi…
View article: Targeting wetland restoration to cost-effectively reduce nitrogen loadings in the Gulf of Mexico
Targeting wetland restoration to cost-effectively reduce nitrogen loadings in the Gulf of Mexico Open
An estimated 50 percent of the nitrogen reaching the Gulf of Mexico is a byproduct of field crop production. Nitrogen entering the Gulf via the Mississippi River generates large algae blooms. At night, the algae absorb oxygen leaving oxyge…