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Welcome to Dr. Healy Hamilton

Sound Science LLC welcomes new Senior Associate Dr. Healy Hamilton, who specializes in ecological forecasting and biological response to global change.

A Recent Sound Science Project:

Ecological Integrity Framework:
Sound Science Chief Scientist Bob Unnasch and Senior Associate David Braun are authors of the Ecological Integrity Framework, a document that provides a methodology to guide planning for the conservation of biological and ecological resources in U.S. National Parks. Click here.

A Recent Sound Science Project:

Sound Science was the principle technical support provider to the U.S. Army Environmental Command's Range and Training Lands Assessment (RTLA) program (2007-2010) and Land Rehabilitation and Management (LRAM) program (2009-2010).

RTLA and LRAM are two of the programs that manage sustainable land use in the military's training lands. Our support included the design of monitoring projects, strategic advice on program goals and planning, creation of land management tools, teaching, and the coordination of various program activities.

A Recent Sound Science Project:

NatureServe and Sound Science has teamed up to win three contracts from the Bureau of Land Management (BLM). The work is to map and evaluate conditions and prospects for important natural resources in the Mojave Desert, the Great Basin, and Alaska's Seward Peninsula. BLM land managers will use the information that the NatureServe team will develop to clarify strategies and priorities for land management and natural resource conservation on BLM lands. Click here.


Bob Unnasch discusses Tamarisk control in Colorado.
(Photo by David Maddox)

Land Management, Ecological Forcasting, and Adaptive Management:
Matching goals to results

Forecasting future conditions based on current conditions and trends is critical to planning for natural resources sustainability, climate change adaptation, and estimates of carbon storage. Our work includes:

• Calculating carbon sequestration in current and future forests and other ecosystems
• Modeling of how ecosystems and ecosystem services change under different scenarios
• Forecasting species distributions under climate change scenarios

Sound information that is grounded in a conceptual understanding of how ecological systems work is crucial for effective management planning. Modeling is a core feature of our work.

• Ecological models that capture key states and drivers
• On-the-ground and remote data that validate models
• Creation of valid scorecards for effective management decisions


Our staff has expertise in conservation planning, ecological integrity measures, climate change planning, urban ecology, conceptual modeling, creation of monitoring programs, fire management planning,water resources management, arid lands and rangeland management, remote sensing, geospatial data analysis, recreation,biocontol, ecosystem restoration, and NEPA analysis. See our staff list for specific information.

Here are just a few of the publications and reports that illustrate the kind of work Sound Science staff do in these areas (Sound Science staff in bold):

Maddox, G.D
., K.E. Poiani, and R.E. Unnasch 1999. Evaluating Management Success: Using ecological models to ask the right monitoring questions. IN N. Johnson (Ed.) The Ecological Stewardship Project: A common reference for Ecosystem Management (3 Volumes)
Elsvier Science: Oxford.

Conservation Planning
Parrish, J.D., D.P. Braun & R.S. Unnasch 2003. Are we conserving what we say we are? Measuring ecological integrity within protected areas. Bioscience 53(9): 851.

Ecological Integrity
Unnasch, R.S
., D. P. Braun, P. J. Comer, G. E. Eckert. 2008. The Ecological Integrity Assessment
Framework: A Framework for Assessing the Ecological Integrity of Biological and Ecological Resources of
the National Park System. Report to the National Park Service.

Urban Ecology and Green Infrastructure
Jacqueline W.T. Lu, Megan Shane, Erika Svendsen, Lindsay Campbell, Cristiana Fragola, Marianne Krasny, Gina Lovasi, G. David Maddox, Simon McDonnell, P. Timon McPhearson, Franco Montalto, Andrew Newman, Ellen Pehek, Ruth A. Rae, Richard Stedman, Keith G. Tidball, Lynne Westphal, Tom Whitlow 2009. MillionTreesNYC, Green Infrastructure, and Urban Ecology: Building a Research Agenda. 48pp.

Monitoring Programs
Ottke, C., P. Kristensen, G. David Maddox and E. Rodenburg 2000. Monitoring for Impact: A Handbook on Natural Resources Monitoring based on Lessons from 13 NGOs, Volume 1. World Resources Institute, 90pp.

Ottke, C., P. Kristensen, G. David Maddox and E. Rodenburg 2000. Monitoring for Impact: A Handbook on Natural Resources Monitoring based on Lessons from 13 NGOs, Volume 2. World Resources Institute, 70pp.

Climate Change
Dalton, S.E., Ed. (2009). Climate Change Adaptation, Preparation, and Mitigation in New Brunswick, Report to the NB Environmental Trust Fund.

Morse, L.E, L.S. Kutner, G. David Maddox, L.L. Honey and C.M. Thurman 1993. The potential effects of climate change on the native vascular flora of North America: A preliminary climate envelope analysis. Report to the Electric Power Research Institute, 90pp.

Maddox, G. David and L.E. Morse 1990. Plant conservation and global climate change. The Nature Conservancy Magazine. July/August 1990.

Water Resources
Braun, D.P.
2006. Measuring Freshwater Biodiversity Conservation Success. In N. Silk and K. Ciruna, editors, A Practitioner’s Guide to Freshwater Biodiversity Conservation. Island Press and The Nature Conservancy: Washington, D.C.

Dalton, S.E. & Prentice, J. (2006). Science, policy and civil society: opportunities and constraints for watershed groups in New Brunswick. Report of New Brunswick Watershed Groups’ Institute November 22-24, 2005. Fredericton, NB: Environment and Sustainable Development Research Centre, University of New Brunswick.

Grieser, K. and S. Dalton, (2006). Quantification and Characterization of Recreational Paddling on Tivoli Bays and Constitution Marsh. Section VII: 83 pp. In W.C. Nieder & J.R. Waldman (eds). Final Reports of the Tibor T.Polgar Fellowship Program, 2005 Hudson River Foundation.

Remote Sensing and Invasive Species
Karl, J.W
., and M. Porter. 2006. Digital aerial sketch-mapping for early detection and mapping of invasive species. In Invasive Plant Inventory Methods. Center for Invasive Plant Management, Montana State University, Bozeman, MT.

Prescribed Fire
Batcher, M
. 2008. Site fire management plan for Maple Hill Savanna. Prepared for The Nature Conservancy, North Carolina Chapter, Durham, NC.

Batcher, M. 2006. Ecological management plan for Ossipee Pine Barrens. Report prepared for The Nature Conservancy, New Hampshire Chapter, Concord, NH.

Arid Lands
Salo, L.F.
, G.R. McPherson, and D.G. Williams. 2005. Sonoran Desert winter annuals affected by density of red brome and soil nitrogen. The American Midland Naturalist 153:102-116.

David Maddox discusses range research in Ganzu, China.
(Photo by Marta Tellado)


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