Bailey, R. G. (1998). Ecoregions map of North America: Explanatory note. USDA Forest Service, Washington, DC. Miscellaneous Publication 1548.
Bennett, A. J., Thompson, W. L., & Mortenson, D. C. (2006). Vital signs monitoring plan, Southwest Alaska Network. National Park Service
. Retrieved 21 Jan 2008 from http://science.nature.nps.gov/im/monitor/monitoringplans.cfm
Bestelmeyer, B. T. (2003). Development and use of state-and-transition models for rangelands. Journal of Range Management
Busch, E. D., & Trexler, J. C. (2003). The importance of monitoring in regional ecosystem initiatives. In E. D. Busch, & J. C. Trexler (Eds.) Monitoring ecosystems: interdisciplinary approaches for evaluating ecoregional initiatives (pp. 1–23). Washington, DC: Island Press.
Chapin, F. S., Torn, M. S., & Tateno, M. (1996). Principles of ecosystem sustainability. American Naturalist
Cloern, J. E. (2001). Our evolving conceptual model of the coastal eutrophication problem. Marine Ecology Progress Series
Davis, G. E. (1989). Design of a long-term ecological monitoring programme for Channel Islands National Park. Natural Areas Journal, 9, 80–89.
Davis, G. E. (2005). National Park stewardship and ‘vital signs’ monitoring: a case study from Channel Islands National Park, California. Aquatic Conservation: Marine and Freshwater Ecosystems
Dennison, W. C., Lookingbill, T. R., Carruthers, T. J. B., Hawkey, J. M., & Carter, S. L. (2007). An eye-opening approach to developing and communicating integrated environmental assessments. Frontiers in Ecology & the Environment
EEA (2003). EUNIS web application
. Retrieved 21 Jan 2008 from http://eunis.eea.europa.eu/index.jsp
EPA (2002). A Framework for Assessing and Reporting on Ecological Condition: an SAB Report. Environmental Protection Agency, Science Advisory Board. Washington, DC. EPA-SAB-EPEC-02-009.
Garrett, L. K., Rodhouse, T. J., Dicus, G. H., Caudill, C. C. & Shardlow, M. R. (2007). Upper Columbia Basin Network vital signs monitoring plan. National Park Service, Moscow, ID. Natural Resource Report NPS/UCBN/NRR-2007/002.
Grossman D. H., Faber-Langendoen, D., Weakley, A. S., Anderson, M., Bourgeron, P., Crawford, R., et al. (1998). International classification of ecological communities: terrestrial vegetation of the United States, vol. I, The national vegetation classification system: Development, status, and applications. Arlington, VA: The Nature Conservancy.
Hansen, M. H., Madow, W. G., & Tepping, B. J. (1983). An evaluation of model dependent and probability sampling inferences in sample surveys. Journal of American Statistical Association
Harwell, M. A., Myers, V., Young, T., Bartuska, A., Gassman, N., Gentile, J. H., et al. (1999). A framework for an ecosystem integrity report card. BioScience
Kurtz, J. C., Jackson, L. E., & Fisher, W. S. (2001). Strategies for evaluating indicators based on guidelines from the Environmental Protection Agency’s Office of Research and Development. Ecological Indicators
McDonald, T. L. (2003). Review of environmental monitoring methods: survey designs. Environmental Monitoring and Assessment
Miller, M. E. (2005). The structure and functioning of dryland ecosystems – Conceptual models to inform long-term ecological monitoring. US Geological Survey, Moab, UT. Scientific Investigations Report 2005-5197.
National Park System Advisory Board (2001). Rethinking the national parks for the 21st century. National Park Service, Washington, DC
. Retrieved 21 Jan 2008 from http://www.nps.gov/policy/report.htm
Noss, R. F. (1990). Indicators for monitoring biodiversity. A hierarchical approach. Conservation Biology
NPS (2006). Management policies 2006
. Retrieved 21 Jan 2008 from http://www.nps.gov/policy
NPS (2007). Vital signs monitoring
. Retrieved 21 Jan 2008 from http://science.nature.nps.gov/im/monitor
NPS (2008). Southern Plains Network vital signs monitoring plan. Natural Resource Report NPS/SOPN/NRR-2008/028. National Park Service, Fort Collins, Colorado.
NRMP (2007). Natural Resource Monitoring Partnership
. Retrieved 21 Jan 2008 from http://nrmp.nbii.gov
Oakley, K. L., Thomas, L. P., & Fancy, S. G. (2003). Guidelines for long-term monitoring protocols. Wildlife Society Bulletin, 31, 1000–1003.
Ogden, J. D., Davis, S. M., Jacobs, K. J., Barnes, T., & Fling, H. E. (2005). The use of conceptual ecological models to guide ecosystem restoration in South Florida. Wetlands
Olsen, A. R., Sedransk, J., Edwards, D., Gotway, C. A., Liggett, W., Rathburn, S. L., et al. (1999). Statistical issues for monitoring ecological and natural resources in the United States. Environmental Monitoring and Assessment
Roman, C. T., & Barrett, N. E. (1999). Conceptual framework for the development of long-term monitoring protocols at Cape Cod National Seashore. US Geological Survey, Patuxent Wildlife Research Center, Cooperative National Parks Studies Unit, Narragansett, RI.
Schreuder, H. T., Ernst, R., & Ramirez-Maldonado, H. (2004). Statistical techniques for sampling and monitoring natural resources. USDA Forest Service, Rocky Mountain Research Station. RMRS-GTR-126.
Soukup, M. (2007). Integrating science and management: becoming who we thought we were. George Wright Forum, 24, 26–29.
Stevens Jr, D. L., & Olsen, A. R. (2003). Variance estimation for spatially balanced samples of environmental resources. Environmetrics
Stevens Jr, D. L., & Olsen, A. R. (2004). Spatially balanced sampling of natural resources. Journal of American Statistical Association
Vaughan, H., Brydges, T., Fenech, A., & Lumb, A. (2001). Monitoring long-term ecological changes through the Ecological Monitoring and Assessment Network: science-based and policy relevant. Environmental Monitoring and Assessment
Westoby, M., Walker, B., & Noy-Meir, I. (1989). Opportunistic management for rangelands not at equilibrium. Journal of Range Management
Woodley, S. J. (1993). Monitoring and measuring ecological integrity in Canadian National Parks. In S. J. Woodley, J. Kay, & G. Francis (Eds.)Ecosystem integrity and the management of ecosystems (pp. 155–176). Delray Beach, FL: St. Lucie.