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United States Department of Agriculture

Agricultural Research Service

Research Project: Making Ecosystem Services Pay for Diversified Land-Uses in Agricultural Watersheds

Location: Soil Management Research

Project Number: 3645-11610-001-09
Project Type: General Cooperative Agreement

Start Date: Sep 03, 2013
End Date: Oct 31, 2013

Objective:
Build integrated models to predict the impact of targeted land-use changes on managed and natural ecosystem services and to mitigate effects of environmental stressors on these systems in the Chippewa River Watershed (CRW).

Approach:
We will utilize simulation models (Agricultural Production Systems Simulator, APSIM, and Decision Support System for Agrotechnology Transfer, DSSAT) that can integrate predictions based on climate change (Hadley Center Coupled Model, HadCM3), General Circulation Model (GCM) and whole-farm systems modeling for strategic and tactical planning at the farm and watershed levels in the CRW. This will lead to improved understanding of site-specific impact of climate, soil types, and management on agricultural production and will be extrapolated to the watershed level using GIS technology. Currently existing databases compiled by NCSCRL from on-station (8 years) and on-farm (4 years) on traditional and alternative cropping systems, including organic cropping systems and perennial biomass crops will be utilized to calibrate field- and watershed-level simulation models and to develop necessary inputs for the SWAT applications. Additional data will be collected from the same experimental plots and farmers' fields during the duration of the project. The databases include detailed quantitative measurements on crops, soils, nutrients, (mainly C, N and P, and micronutrients), water and residues. Additionally, data on the impact of management practices (e.g., tillage implements, timing and frequency), on crops and soils is also available in electronic formats.

Last Modified: 9/10/2014
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