Results 111 to 120 of about 653,772 (212)

An Economic Analysis of a Dairy Anaerobic Digestion (A.D.) System: Will Dairy Producers Invest in A.D. Technology to Reduce Potential Litigation Suits? [PDF]

open access: yes
In many areas of the United States, dairy and livestock farmers are facing lawsuits due to a variety of externalities, such as odor and other forms of non-point source pollution, caused by Confined animal feeding operations (CAFO's).
Davis, Brandon L.
core   +1 more source

Modeling soil organic carbon change in croplands of China [PDF]

open access: yes, 2003
Using 1990 conditions, we modeled carbon (C) and nitrogen (N) biogeochemical cycles in croplands of China (and, for comparison, the United States) to estimate the annual soil organic-carbon (SOC) balance for all cropland.
Frolking, Steve   +7 more
core   +1 more source

Delayed effects of oil exposure on fish [PDF]

open access: yes, 2012
Thesis (M.S.) University of Alaska Fairbanks, 2012Polycyclic aromatic hydrocarbons (PAHs) are continuously added to aqueous environments through point source and non-point source pollution and can cause deleterious effects on exposed fish populations ...
Hicken, Corinne E.
core  

Economic regulation of non-point source pollution

open access: yes, 2012
The work presented in this thesis had two purposes : to identify the key deter-minants to regulate the nitrogen pollution, and to test the ability of appliedmodels to assess the impacts of the regulation policies. We first define a fra-mework for understanding the role of land-use in the optimal management ofnitrogen pollution.
openaire   +1 more source

SALMOD, a Salinity Management Tool for Irrigated Agriculture [PDF]

open access: yes
This paper presents an irrigation farm management tool, SALMOD (Salinity And Leaching Model for Optimal irrigation Development), that calculates the profit maximizing crop enterprise composition and irrigation management options for farm specific soil ...
Armour, R.J., Viljoen, Machiel F.
core   +1 more source

Towards Design For a Nutrient Trading Programme to Improve Water Quality in Lake Rotorua [PDF]

open access: yes
This paper explores how to enhance the role for academic research (natural sciences, economics and their integration; and stakeholder management) within the development and implementation of water quality policy in New Zealand. Our focus is on the use of
Fairman, David, Kerr, Suzi, Lauder, Glen
core   +4 more sources

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