Recent Submissions

  • LTER : Long Term Ecological Research Network 

    Contributor:Yonker, C. M.; Kaplan, N. E.; Kelly, E. F.; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; California State University, Fullerton; United States. Agricultural Research Service; University of Northern Colorado
    Date:2005
    The Long Term Ecological Research (LTER) Network is a collaborative effort involving more than 1800 scientists and students investigating ecological processes over long temporal and broad spatial scales. Each LTER site ...
  • A team approach to data synthesis : the playbook for creating a centralized, dynamic, and sustainable ANPP database 

    Contributor:Laney, Christine; Cushing, Judith B.; Muldavin, Esteban; Vanderbilt, Kristin; Kaplan, Nicole E.; Zeman, Lee; Milchunas, Daniel; Leroy, Carri; Kruger, Judith; Gao, Jincheng; Ramsey, Ken; Mallett, Juli; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; California State University, Fullerton; United States. Agricultural Research Service; University of Northern Colorado
    Date:undated
    The Grasslands Data Integration (GDI) project has brought together ecologists, information managers and computer scientists to address the interdisciplinary challenges of integrating ANPP data from multiple sources. In ...
  • An IM toolbox for the present and future to support data synthesis activities 

    Contributor:Zeimet, Adam; Beer, Dianne; Norman, John; Kaplan, Nicole; Flynn, Bob; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; California State University, Fullerton; United States. Agricultural Research Service; University of Northern Colorado
    Date:2007
    This poster displays four examples of topics and tools currently being implemented and developed by information management staff at the Shortgrass Steppe LTER, across the LTER Network and within USDA Agricultural Research ...
  • Plague outbreaks in prairie-dog colonies associated with El Niño climatic events 

    Contributor:Stapp, Paul; Antolin, Michael F.; Ball Mark; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; California State University, Fullerton; United States. Agricultural Research Service; United States. Forest Service. Pawnee National Grasslands; University of Northern Colorado
    Date:2003
    Plague (Yersinia pestis) was introduced to the western U.S. in the mid-20th century and is a significant threat to the persistence of black-tailed prairie dog (Cynomys ludovicianus) populations. The social, colonial habits ...
  • Inter-annual differences in abundance of thirteen-lined ground squirrels (Spermophilus tridecemlineatus) in Colorado shortgrass steppe 

    Contributor:Stapp, Paul; Hanni, David; Lindquist, Mark; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; California State University, Fullerton; United States. Agricultural Research Service; University of Northern Colorado
    Date:1999
    We live-trapped thirteen-lined ground squirrels (Spermophilus tridecemlineatus) on three grassland and three saltbush-dominated sites in June and July 1999 to estimate population densities in representative vegetation types ...
  • Long-term ecological research on Colorado shortgrass steppe 

    Contributor:Milchunas, Daniel G.; Lauenroth, William K.; Knapp, Alan K.; Klein, Julia A.; Conant, Richard T.; Burke, Ingrid C.; Brown, Cynthia S.; Webb, Colleen T.; Augustine, David J.; Angert, Amy L.; Kelly, Eugene F.; Kaplan, Nicole E.; Derner, Justin D.; Antolin, Michael F.; Moore, John C.; Blumenthal, Dana M.; Wallenstein, Matthew D.; Von Fischer, Joseph C.; Stapp, Paul; Paustian, Keith H.; Parton, William J.; Morgan, Jack A.; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; California State University, Fullerton; United States. Agricultural Research Service; University of Northern Colorado
    Date:2012
    Poster presented at the LTER All Scientists Meeting held in Estes Park, CO on September 10-13, 2012.
  • Shortgrass steppe long term ecological research 

    Contributor:Moore, J. C.; Lauenroth, W. K.; Stapp, P. A.; Burke, I. C.; Kelly, E. F.; Antolin, M. F.; Pielke, R. A.; Paustian, K. H.; Parton, W. J.; Mosier, A. R.; Milchunas, D. G.; Detling, J. K.; Morgan, J. A.; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; Colorado State University. Atmospheric Science; California State University, Fullerton; United States. Agricultural Research Service; University of Northern Colorado
    Date:2005
    The shortgrass steppe (SGS) Long Term Ecological Research (LTER) site is part of a network of long-term research sites supported by the National Science Foundation. The network consists of 26 sites representing diverse ...
  • Plant community changes associated with prairie dog usage of a suburban remnant of the shortgrass steppe 

    Contributor:Hartley, Laurel; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; California State University, Fullerton; United States. Agricultural Research Service; University of Northern Colorado; Rocky Mountain High School
    Date:2005
    Dr. Detling and others have documented changes in plant communities in the mixed grass prairie caused by the herbivory of the Black-tailed prairie dog, Cynomys ludovicianus. Canopy height, litter cover, and graminoid cover ...
  • Livestock exclusion increases the spatial heterogeneity of vegetation in the shortgrass steppe 

    Contributor:Adler, Peter; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; California State University, Fullerton; United States. Agricultural Research Service; University of Northern Colorado
    Date:2001
    Ecologists have collected extensive information on how various factors affect the MEAN values of key response variables, but typically ignore how spatial distribution is affected. • Describing spatial heterogeneity is ...
  • Mediation of spatial organization in the swift fox, Vulpes velox 

    Contributor:Dabelsteen, Torben; Darden, Safi K.; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; California State University, Fullerton; United States. Agricultural Research Service; University of Northern Colorado; University of Copenhagen. Department of Pouulation Ecology
    Date:2005
    Animals communicate in a network of individuals. Acoustic, chemical, and visual signals can operate in this network to convey information about a signaller's identity, behaviour, physiological state and location. Poster ...
  • Database tools for ecological data integration and synthesis 

    Contributor:Cushing, Judy; Vanderbilt, Kristin; Ramsey, Ken; Nadkarni, Nalini; Kaplan, Nicole; Finch, Michael; Fiala, Anne; Melendez-Colom, Eda; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; California State University, Fullerton; United States. Agricultural Research Service; University of Northern Colorado
    Date:2003
    The challenge: 1. To synthesize across research sites syntactically disparate, but thematically similar, data. 2. To efficiently perform cross-site synthesis, using new informatics tools that exploit database component ...
  • Recreational shooting : how are sites selected and what are the implications for Burrowing Owl (Athene cunicularia) reproduction? 

    Contributor:Van Horne, Beatrice; Woodard, Jason D.; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; California State University, Fullerton; United States. Agricultural Research Service; University of Northern Colorado
    Date:2001
    Declines in burrowing owl populations are inextricably linked to human activity and associated disturbances. Habitat loss and rodent control programs are the primary cause of observed declines (Butts 1973). Recreational ...
  • A multi-scale assessment of beetle diversity and landscape properties 

    Contributor:Wiens, John A.; Hoffman, Aaron L.; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; California State University, Fullerton; United States. Agricultural Research Service; University of Northern Colorado
    Date:1999
    The issue of scale is important in ecology. Many studies have indicated that ecological patterns can vary with the grain and extent of the study, and thus it is difficult to extrapolate from fine to coarse scales. Furthermore, ...
  • Species interactions across three trophic levels : Cynomys ludovicianus colonies increase floral visitation by insects 

    Contributor:Hardwicke, K. B.; Detling, J. K.; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; California State University, Fullerton; United States. Agricultural Research Service; University of Northern Colorado
    Date:2005
    Poster presented at the 7th Shortgrass Steppe Symposium in Fort Collins, Colorado on 1/14/05.
  • Through the looking glass : what do we see, what have we learned, what can we share? Information management at the Shortgrass Steppe Long Term Ecological Research Site 

    Contributor:Zeimet, Adam; Beer, Dianne; Norman, John; Bennett, Christopher W.; Flynn, Bob; Stafford, Susan G.; Kaplan, Nicole E.; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; California State University, Fullerton; United States. Agricultural Research Service; University of Northern Colorado
    Date:2009
    This poster displays the development of a successful information management system at a Long Term Ecological Research (LTER) site that has a rich history of data collection and management. Over sixty years of data from ...
  • The influence of prey use and habitat on Burrowing Owl (Athene cunicularia) reproduction 

    Contributor:Van Horne, Beatrice; Woodard, Jason D.; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; California State University, Fullerton; United States. Agricultural Research Service; University of Northern Colorado
    Date:2001
    Food, competition, and predation dictate habitat use (Schmutz et al. 1991) and ultimately reproduction. Avian reproduction is frequently food-limited (Wellicome 2000), and predation is the primary cause of nest failure ...
  • Two years of carbon dioxide enrichment on the shortgrass steppe of Colorado 

    Contributor:Ojima, D. S.; Parton, W. J.; Milchunas, D. G.; Mosier, A. R.; LeCain, D. R.; Morgan, J. A.; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; California State University, Fullerton; United States. Agricultural Research Service; University of Northern Colorado
    Date:undated
    This study assessed how doubling the CO2 concentration over present levels affects the growth and physiology of shortgrass steppe vegetation in eastern Colorado. In March, 1997, six open-top chambers (OTCs) were installed ...
  • GIS data and tools available at SGS-LTER 

    Contributor:Kaplan, N. E.; Flynn, R. L.; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; California State University, Fullerton; United States. Agricultural Research Service; University of Northern Colorado
    Date:2005
    Poster presented at the 7th Shortgrass Steppe Symposium held in Fort Collins, Colorado on 1/14/05.
  • Colorado Front Range GK12 connecting kids and ecology — teachers and researchers 

    Contributor:Seemueller, Carol; Quirk, Meghan H.; Moore, John C.; Hartley, Laurel M.; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; California State University, Fullerton; United States. Agricultural Research Service; University of Northern Colorado; Rocky Mountain High School
    Date:2005
    The Colorado Front Range GK12 project is a collaborative effort of Colorado State University, the University of Northern Colorado, Weld County School District 6, and Poudre School District.
  • Black-tailed prairie dog mounds : Do they contribute to plant species diversity and nitrogen cycling? 

    Contributor:Detling, J. K.; Farrar, J. P.; Colorado State University. Natural Resource Ecology Laboratory; Colorado State University. Department of Forest and Rangeland Stewardship; Colorado State University. Department of Soil and Crop Sciences; Colorado State University. Department of Biology; California State University, Fullerton; United States. Agricultural Research Service; University of Northern Colorado
    Date:2001
    Soil mounds around burrows are natural disturbances in plant communities where prairie dogs (Cynomys spp.) occur. We hypothesized that one or more sub-dominant plant species are more abundant on black-tailed prairie dog ...

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