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File Case Study: Analysis of scale on boosted regression tree fish habitat models
Recent modeling efforts at the regional and FHP scale have indicated that smaller-scale models are likely necessary to pinpoint localized stressors. From discussions with experienced modelers and fishery professionals, HUC8 watersheds were agreed upon as the most appropriate scale. This report summarizes a case study that demonstrates the effect of scale on the assignment of stressors from predictive BRT models. Specifically, we modeled the same response at three different scales and for two separate HUC8 watersheds
Located in Projects / Downstream Strategies Project / Public working documents
File Octet Stream Great Marsh Resiliency Workshop Agenda
Meeting agenda with links to presentations
Located in Topics / / Workshops / Great Marsh Resiliency Workshop
Project iPlover: Piping plover habitat suitability in a changing climate
Designed by scientists to simplify consistent data collection and management, the iPlover smartphone application gives trained resource managers an easy-to-use platform where they can collect and share data about coastal habitat utilization across a diverse community of field technicians, scientists, and managers. With the click of a button, users can contribute biological and geomorphological data to regional models designed to forecast the habitat outlook for piping plover, and other species that depend upon sandy beach habitat.
Located in Projects / North Atlantic Hurricane Sandy Resiliency Science Projects / iPlover
The Stream Habitat Viewer helps bring people together to restore and conserve Maine’s natural heritage while looking for opportunities to ease the financial burdens of road and dam owners. The Viewer displays habitats for several stream-dependent species important to Maine’s economy, ecology and way of life. It also provides locations and information about dams and road crossings, which can act as barriers to the movements of fish and wildlife and the stream processes that create and maintain habitat. Use the Contacts list to learn more about the habitats in your area, funding sources for projects and Stream-Smart crossings.
Located in Resources / Links
File Midwest and Great Plains Assessment Models Data Summary
The top five anthropogenic and top five natural variables from each model for each FHP and a regional model are summarized in this brief. This summary pinpoints only those variables that were most important in structuring the responses for each model. Across all models, each variable is tabulated for the number of times it is occurs as one of the most influential (top 5 of each category). This analysis presents the relative usefulness of the most important variables in structuring regional- and fhp-scale model responses
Located in Projects / Downstream Strategies Project / Public working documents
File Preliminary Framework Concept: Inland fish habitat modeling for the North Atlantic Landscape Conservation Cooperative
Downstream Strategies is committed to a stakeholder-driven process to guide each phase of this project, we propose the following methodology as a potential template for much of the work for inland stream modeling. It is not our intention to dictate the process, but inform the NALCC stakeholders about a generalized methodology that has shown to be useful in the past, and that could be implemented for this project, should the stakeholders find that it would meet their objectives and expectations.
Located in Projects / Downstream Strategies Project / Public working documents
File ECMAScript program Project Overview Brochure
A two page brochure providing an overview of the NALCC aquatic habitat assessment project.
Located in Projects / Downstream Strategies Project
File SDM SLR Decision Model Presentation
PDF of a presentation by Erika Lentz February 28, 2013 of initial decision model developed by USGS and related to decision problem and fundamental objectives articulated in SDM workshop in September 2012.
Located in Teams / Coastal and Marine Technical Team / Files for March 2013 Meeting