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The Predictive Ecosystem Analyzer (PEcAn)

The Predictive Ecosystem Analyzer (PEcAn) is an integrated ecological bioinformatics toolbox and data assimilation system that synthesizes information contained in ecological models, data, and expert knowledge. This is done using modern statistical methods and state-of-the art ecosystem models. PEcAn has a web interface that enables users to run ecosystem models, as well as a suite of R packages that can be used for model-data fusion and more sophisticated analysis.

Technical Expertise Required: 
Basic programming skills
Cost: 
Free
Additional Information: 

PEcAn can be used to run ecosystem models through a web-based user interface, while advanced analyses can be performed using its suite of R packages. New models can be linked to PEcAn through the creation of model-specific wrapper functions that convert translate to and from the standard formats used by PEcAn. Although PEcAn is currently coupled to three diverse ecosystem models, it can be coupled to a broad class of simulation models. Integrating a new model requires writing a wrapper in R to convert inputs and outputs to and from the standards used by PEcAn, and registering the model and computer in the database.
PEcAn source repository is hosted at GitHub: (http://github.com/PecanProject/pecan). See the Wiki (http:// github.com/PecanProject/pecan ) for more information.
Citations:
LeBauer, D.S., D. Wang, K. Richter, C. Davidson, & M.C. Dietze. (2013). Facilitating feedbacks between field measurements and ecosystem models. Ecological Monographs. doi:10.1890/12-0137.1
Wang, D, D.S. LeBauer, and M.C. Dietze (2013) Predicting yields of short-rotation hybrid poplar (Populus spp.) for the contiguous US through model-data synthesis. Ecological Applications doi:10.1890/12-0854.1
Dietze, M.C., D.S LeBauer, R. Kooper (2013) On improving the communication between models and data. Plant, Cell, & Environment doi:10.1111/pce.12043

Examples: 

LeBauer, D.S., D. Wang, K. Richter, C. Davidson, & M.C. Dietze. (2013). Facilitating feedbacks between field measurements and ecosystem models. Ecological Monographs. doi:10.1890/12-0137.1

Platform: 
Linux, Mac OS X. Virtually on Windows, OS X, Linux, Solaris
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