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Hoski Schaafsma

Hoski Schaafsma

IGERT in Urban Ecology Fellow, School of Life Sciences

hschaaf@asu.edu

480-727-7360

School of Life Sciences
Arizona State University
PO Box 874501
Tempe, AZ 85287-4501
USA

Titles

  • IGERT in Urban Ecology Fellow, School of Life Sciences

Journal Articles

2013

Hall, S. J., J. Trujillo, D. K. Nakase, C. A. Strawhacker, M. Kruse-Peeples, H. Schaafsma and J. M. Briggs. 2013. Legacies of prehistoric agricultural practices within plant and soil properties across an arid ecosystem. Ecosystems DOI: 10.1007/s10021-013-9681-0. (link )

2007

Briggs, J. M., H. Schaafsma and D. Trenkov. 2007. Woody vegetation expansion in a desert grassland: Prehistoric human impact?. Journal of Arid Environment 69(3):458-472. DOI: 10.1016/j.jaridenv.2006.10.012. (link )

Schaafsma, H. and J. M. Briggs. 2007. Hohokam silt capturing technology: Silt fields in the northern Phoenix basin. Kiva 72(4):443-469.

2006

Briggs, J. M., K. A. Spielmann, H. Schaafsma, K. W. Kintigh, M. Kruse, K. Morehouse and K. Schollmeyer. 2006. Why ecology needs archaeologists and archaeology needs ecologists. Frontiers in Ecology and the Environment 4(4):180-188. DOI: 10.1890/1540-9295(2006)004[0180:WENAAA]2.0.CO;2. (link )

Book Chapters

2010

Kruse, M., H. Schaafsma, K. A. Spielmann and J. M. Briggs. 2010. Landscape legacies of prehistoric agriculture land-use in the Perry Mesa region, Central Arizona. In: Dean, R. ed., Anthropogenic Landscapes: Archaeological Perspectives. Southern Illinois University Press.

2008

Rodrigues, T. and H. Schaafsma. 2008. Isolated human remains and the archaeological visibility of prehistoric ritual practices in the American Southwest. In: Stodder, A. L. ed., Reanalysis and Reinterpretation in Southwestern Bioarchaeology. Arizona State University.

2006

Schaafsma, H. 2006. Physical setting. Pp. 1-6 In: Hackbarth, M. R. ed., Archaeological Investigations at the Mueller Site, AZ U:1:307 (ASM), Cave Creek, Arizona. Arizona Archaeological Society.

Posters

2008

McGee, S. J., J. Giron, S. J. Hall and H. Schaafsma. 2008. Effects of ancient agricultural practices on soil nitrogen levels. Poster presented March 28th 15th annual ASU Undergraduate Biology Enrichment Program undergraduate research poster symposium, Arizona State University, Tempe, AZ.

Russell, W., H. Schaafsma and K. A. Spielmann. 2008. P.C. in the P-III (and beyond): Ceremonial racing as an integrative strategy in Central Arizona. Poster presented at the 73rd Annual Meeting of the Society for American Archaeology meeting. Vancouver, BC Canada.

Schaafsma, H., J. M. Briggs, C. L. Redman, S. J. Hall and W. Russell. 2008. Defining gradients of prehistoric landscape modification in agricultural features. Poster presented at the 9th annual symposium of Graduates in Earth, Life and Social Sciences (GELSS), Arizona State University, Tempe, AZ.

Schaafsma, H., J. M. Briggs, C. L. Redman, S. J. Hall and W. Russell. 2008. Defining gradients of prehistoric landscape modification in agricultural features. Poster presented March 19 at the 20th Anniversary Southwest Symposium, Arizona State University, Tempe, AZ.

Schaafsma, H., M. Kruse, W. Russel, J. M. Briggs, K. A. Spielmann and S. J. Hall. 2008. Ancient agriculture of the Perry Mesa tradition in central Arizona: Interpreting ancient land-use and modern landscapes. Poster presented at 10 January 2008 CAP LTER 10th Annual Poster Symposium, Global Institute of Sustainability, Arizona State University, Tempe, AZ. (link )

Trujillo, J., S. J. Hall and H. Schaafsma. 2008. Prehistoric agricultural legacies: Do they affect modern biogeochemistry?. Poster presented July 11-13 at the Regional LTER Symposium, University of New Mexico, Albuquerque, NM.

2007

Ontl, T. A., H. Schaafsma, S. J. Hall and J. M. Briggs. 2007. Legacies of prehistoric agriculture on herbaceous plant community composition in a desert grassland. Poster presented at the Ecological Society of America/Society of Ecological Restoration International 91st Annual Meeting, Memphis, TN.

Ontl, T. A., H. Schaafsma, S. J. Hall and J. M. Briggs. 2007. Legacies of prehistoric agriculture on herbaceous plant community composition in a desert grassland. Poster presented at the August 6-10, 2007 Ecological Restoration in a Changing World at the 92nd Annual Meeting of the Ecological Society of America held with the Society for Ecological Restoration 18th International Conference, San Jose, CA.

Schaafsma, H. and J. M. Briggs. 2007. Examining the creation of alternate stable states in herbaceous community structure on ancient agricultural fields. Poster presented at the Ecological Society of America/Society of Ecological Restoration International 91st Annual Meeting, Memphis, TN.

2006

Gade, K. J. and H. Schaafsma. 2006. Useful yesterday, invasive today: Landscape pattern, process, perceptions, and the history of salt cedar (Tamarix spp.) in the U.S. and implications for global species movements. Poster presented at January 8-12, 2006, Ecological Society of America Meeting, Ecology in an Era of Globalization: Challenges and Opportunities for Environmental Scientists in the Americas, Merida, Yucatan, Mexico.

Hanson, E. D., L. Zajac and H. Schaafsma. 2006. A qualitative study of dry litter sustainable pig farming in Tutuila, American Samoa. Poster presented at Ecological Society of America 91st Annual Meeting, Memphis, TN.

Johnson, M. and H. Schaafsma. 2006. Legacies on the landscape: The lasting legacies of agricultural activities on the landscape. Poster presented at the May 3, 2006 Community of Undergraduate Research Scholars (COURS) Poster Symposium, Arizona State University, Tempe, AZ.

Kruse, M., H. Schaafsma, K. Schollmeyer, J. M. Briggs, K. Horn, K. W. Kintigh, C. Lai, K. A. Spielmann and C. Wichlacz. 2006. Legacies on the landscape: Integrating ecology and archaeology on the Agua Fria National Monument, Arizona. Poster presented at the 19 January 2006 CAP LTER 8th Annual Poster Symposium, Global Institute of Sustainability, Arizona State University, Tempe, AZ. (link )

Kruse, M., H. Schaafsma, K. Schollmeyer, J. M. Briggs, K. Horn, K. W. Kintigh, R. Lai and K. A. Spielmann. 2006. Legacies on the landscape: Integrating ecology and archaeology on the Agua Fria National Monument, Arizona. Poster presented February at the 7th Annual Meeting of the Graduates in Life, Earth and Social Sciences Research Symposium, Arizona State University, Tempe, AZ.

Schaafsma, H. and K. J. Gade. 2006. The cultural perception, science, and policy of changing landscape processes: How an invasive species is defined and implications for national and international policies. Poster presented at January 8-12, 2006, Ecological Society of America Meeting, Ecology in an Era of Globalization: Challenges and Opportunities for Environmental Scientists in the Americas, Merida, Yucatan, Mexico.

Schaafsma, H., K. Johnson and J. M. Briggs. 2006. Messages from the past: How modern landscapes reveal prehistoric land use patterns. Poster presented at the 19 January 2006 CAP LTER 8th Annual Poster Symposium, Global Institute of Sustainability, Arizona State University, Tempe, AZ. (link )

Schaafsma, H., K. Johnson and J. M. Briggs. 2006. Messages from the past: How modern landscapes reveal prehistoric land use patterns. Poster presented at February 2006, 7th Annual Meeting of the Graduates in Earth, Life, and Social Sciences Symposium, Arizona State University, Tempe, AZ.

Walker, J. S. and H. Schaafsma. 2006. Biological impacts of human migration to a desert city. Poster presented 8-12 January at the Ecological Society of America meeting, Ecology in an Era of Globalization: Challenges and Opportunities for Environmental Scientists in the Americas, Merida, Yucatan, Mexico.

Walker, J. S. and H. Schaafsma. 2006. Ecological impacts of prehistoric and modern Phoenicians. Poster presented February at the Annual Meeting of the Graduates in Earth, Life and Social Sciences Research Symposium, Arizona State University, Tempe, AZ.

Zajac, L. 2006. Ground-truthing weather station data with Traditional Ecological Knowledge (TEK) and scientific tools on Tutuila, American Samoa. Ecological Society of America 91st Annual Meeting, Memphis, TN.

2005

Schaafsma, H. 2005. Landscape legacies of farming in Central Sweden: An archaeological perspective on modern plant communities. Poster presented at February 2005, 6th Annual Meeting of the Graduates in Earth, Life, and Social Sciences Symposium, Arizona State University, Tempe, AZ.

Schaafsma, H. and J. M. Briggs. 2005. Legacies of farming in central Sweden: An archaeological perspective on modern plant communities. Poster presented at the 19 January 2005 CAP LTER Seventh Annual Poster Symposium, International Institute of Sustainability, Arizona State University, Tempe, AZ. (link )

Schaafsma, H. and K. Gade. 2005. Pattern versus process: Are invasive species really the problem?. Poster presented at the American Society for Testing Materials Symposium: Invasive Species: Their ecological impacts and alternatives for control, Reno, NV.

Schollmeyer, K., J. M. Briggs, K. Horn, K. W. Kintigh, M. Kruse, C. Lai, H. Schaafsma, K. A. Spielmann and C. Wichlacz. 2005. Legacies on the landscape: Integrating ecology and archaeology on the Agua Fria National Monument, Arizona. Poster presented March 31-April 3 at the 70th Annual Meeting of the Society for American Archaeology, Salt Lake City, UT.

2004

Gade, K. and H. Schaafsma. 2004. The Sonoran Desert: A palimpsest of prehistoric and modern human activities. Poster presented at July 30-August 7, 200, 89th Annual Meeting of the Ecological Society of America, Portland, OR.

Schaafsma, H. 2004. Pattern versus process: Are invasive species really the problem?. Poster presented March 31-April 2 at the "Team Tamarisk: Cooperating for Results," National Invasive Species Council and the US Department of the Interior, Albuquerque, NM.

Schaafsma, H. 2004. Recognizing ancient patterns of human activities in modern plant communities. Poster presented at the Department of Systems Ecology, Stockholm, Sweden.

Schaafsma, H. and J. M. Briggs. 2004. The Sonoran desert: A palimpsest of prehistoric human activities. Poster presented at the 23 February 2004 Sixth Annual Meeting of the CAP LTER Poster Symposium, Center for Environmental Studies, Arizona State University. Tempe, AZ. (link )

Schaafsma, H. and J. M. Briggs. 2004. The Sonoran desert: A palimpsest of prehistoric human activities. Poster presented at the 19th Annual Symposium of the United States Regional Association of the International Association for Landscape Ecology Las Vegas, NV.

2003

Elliott, M., K. Gade, H. Schaafsma, C. M. Meegan and S. Swanson. 2003. Investigating environmental and social heterogeneity in a landscape perspective: A Hohokam case study. Poster presented at February 19, 2003, CAP LTER Fifth Annual Poster Symposium, Center for Environmental Studies, Arizona State University. Tempe, AZ. (link )

Schaafsma, H. and J. M. Briggs. 2003. The ecological legacy of prehistoric Hohokam agriculture in Arizona. Poster presented at the Annual Meeting of the Ecological Society of America, Tucson, AZ.

Schaafsma, H. and K. Gade. 2003. Pattern versus process: Are invasive species really the problem?. Poster presented at November 3-8, 2003, Invasive Plants in Natural and Managed Systems: Linking Science and Management and 7th International Conference on the Ecology and Management of Alien Plant Invasions, Ft. Lauderdale, FL.

Schaafsma, H. and K. Gade. 2003. Pattern versus process: Are invasive species really the problem? Team Tamarisk: Cooperating for results. Poster presented at March 31-April 2, 2003, Meeting of the National Invasive Species Council and the US Department of Interior, Albuquerque, NM.

Schaafsma, H., K. Gade and J. M. Briggs. 2003. Anthropogenic changes in the Sonoran Desert landscape from prehistory to the present. Poster presented at September 18-21, 2003, Annual Meeting of the Long Term Research Network All Scientist Meeting, Seattle, WA.

Schaafsma, H., K. Gade and J. M. Briggs. 2003. Changes in the Sonoran desert landscape from prehistory to the present. Poster presented at September 18-21, 2003, Long Term Ecological Research Network, All Scientists Meeting, Seattle WA.

Schaafsma, H., K. Johnson and J. M. Briggs. 2003. The palimpsest landscape: Ancient land use intensities revealed by modern soils and plant communities. Poster presented January at the 5th Annual Meeting of the CAP LTER Research Poster Symposium, International Institute of Sustainability, Arizona State University, Tempe, AZ.

Swanson, S., D. Crider, C. M. Meegan, M. Elliott, K. Gade and H. Schaafsma. 2003. Long-term cultural and ecological responses to change in climate in Central Arizona AD 900-AD1200. Poster presented at February 21, 2003, Fourth Annual Meeting of the Graduates in Earth, Life and Social Sciences Research Symposium, Arizona State University, Tempe, AZ.

Swanson, S., D. Crider, C. M. Meegan, M. Elliott, K. Gade and H. Schaafsma. 2003. Long-term cultural and ecological responses to changes in climate in Central Arizona AD 900-AD 1200. Poster presented at February 19, 2003, CAP LTER Fifth Annual Poster Symposium, Center for Environmental Studies, Arizona State University, Tempe, AZ. (link )

2002

Schaafsma, H. and J. M. Briggs. 2002. Agricultural perturbations and the herbaceous legacy of the prehistoric Hohokam people in Arizona. Poster presented at the 4-9 August 2002 87th Annual Meeting of the Ecological Society of America, Tucson, AZ.

Schaafsma, H. and J. M. Briggs. 2002. The ecological legacy of prehistoric Hohokam agriculture in Arizona. Poster presented at the 87th Ecological Society of America annual meeting Tucson, AZ.

Presentations

2008

Hall, S. J., H. Schaafsma, J. Trujillo and J. M. Briggs. 2008. Legacies of prehistoric agriculture in the arid US Southwest. Presentation at the August 3-8, 93rd Annual Meeting of the Ecological Society of America, Milwaukee, WI; Symposium "Combining Archaeological and Ecological Perspectives to Understand the Reciprocal Dynamics of People Ecosystems that Sustain Them".

Spielmann, K. A., J. M. Briggs, S. J. Hall, M. Kruse and H. Schaafsma. 2008. Legacies on the landscape: The enduring effects of long-term human-ecosystem interactions. Presentation March 19 at the 20th Anniversary Southwest Symposium, Arizona State University, Tempe, AZ.

Spielmann, K. A., H. Schaafsma, J. M. Briggs, S. J. Hall and M. Kruse. 2008. Legacies on the landscape: The enduring effects of long-term human-ecosystem interactions. Presentation at the 73rd Annual Meeting of the Society for American Archaeology meeting. Vancouver, BC Canada.

2007

Kruse, M. and H. Schaafsma. 2007. Landscape legacies of prehistoric agricultural land-use in the Perry Mesa Region, Central Arizona. Presentation at the 24th Annual Visiting Scholar Conference, Southern Illinois University Center for Archaeological Investigations, Carbondale, IL.

Schaafsma, H. 2007. Pre-Columbian Hohokam agricultural fields along Cave Creek: Past shapes present. Presentation September 2 at the State Botany Conference, Cave Creek, AZ.

Schaafsma, H. and J. M. Briggs. 2007. Patterns of modern & ancient societies: Learning from plants and soils. Presentation at the Arizona Master Gardeners Meeting Phoenix, AZ.

Schaafsma, H. and J. M. Briggs. 2007. Patterns of modern & ancient societies: Learning from plants and soils. Presentation May 9, 2007 at the Arizona Master Gardener meeting, Phoenix, AZ.

Schaafsma, H., J. M. Briggs and S. J. Hall. 2007. Legacies on the landscape: On-going research on Perry Mesa. Presentation at the Arizona Archaeological Society meeting, Glendale, AZ.

Schaafsma, H., J. M. Briggs and S. J. Hall. 2007. Legacy effects of prehistoric landscape management on Perry Mesa. Presentation at the Gila River Indian Community Cultural Resource Management Program, Sacaton, AZ.

Schaafsma, H., J. M. Briggs, S. J. Hall and K. A. Spielmann. 2007. Prehistoric anthropogenic changes in the Arizona landscape. Presentation as Key Note Address at the Southwest Vegetation Management Associations Annual Conference, Tucson, AZ.

Schaafsma, H., M. Kruse, J. M. Briggs, S. J. Hall and K. A. Spielmann. 2007. News from the landscape: Ongoing research on the Perry Mesa Culture of Central Arizona. Presentation at the 80th Pecos Conference, Pecos NM.

Schaafsma, H. and T. Rodrigues. 2007. A reinterpretation of isolated human remains from archaeological contexts. Presentation at the Arizona Archaeological Society meeting, Glendale, AZ.

2006

Schaafsma, H. 2006. Defining urban ecological knowledge: A search for urban sustainability by incorporating local ecological knowledge and scientific ecological knowledge in the urban setting. Presentation August 6-11 2006 meeting of the Ecological Society of America 91st Annual Meeting, Memphis, TN.

Schaafsma, H. 2006. Reading modern plant communities to learn about the past: Legacies of prehistoric farming in the Sonoran Desert. Presentation at the Arizona Native Plant Society at the Desert Botanical Garden, Phoenix, AZ.

Schaafsma, H. 2006. Topics in education: Communicating between ways of knowing. Presentation at the ESA Ecology in an Era of Globalization meeting, Merida, Yucatan, MX.

Schaafsma, H., J. M. Briggs and K. Johnson. 2006. Soils matter! Ecological legacies on centuries old agricultural terraces in the Sonoran Desert created by permanently altered soils. Presentation August 6-11 at the 91st Annual Meeting of the Ecological Society of America, Memphis, TN.

Schaafsma, H., J. M. Briggs and M. Kruse. 2006. Reading modern plant communities to learn about the past: Legacies of prehistoric farming in the Sonoran Desert. Presentation June 15-17at the Arizona Historic Preservation Conference, Glendale, AZ.

Schaafsma, H., M. Kruse and K. Johnson. 2006. The palimpsest landscape: Ancient land use intensities revealed by modern soils and plant communities. Presentation April 26-30 at the Society for American Archaeology 71st Annual Meeting, San Juan Puerto Rico.

Walker, J. S. and H. Schaafsma. 2006. Ecological effects of human migration to a desert city. Presentation 8-12 January at the Ecological Society of America meeting, Ecology in an Era of Globalization: Challenges and Opportunities for Environmental Scientists in the Americas, Merida, Mexico.

Zajac, L., E. Hanson and H. Schaafsma. 2006. Invasive or useful plants traditional ecological knowledge and use of introduced plant species on Tutuâila, American Samoa. Presentation August 6 - 11, 2006 at the Ecological Society of America 91st Annual Meeting, Memphis, TN.

2005

Gade, K. and H. Schaafsma. 2005. What does "invasive" mean? Using local environmental conditions and species traits to sharpen the definition. Presentation at May 16-19, 2005, American Society for Testing and Materials Symposium: Invasive Species: Their ecological impact and alternatives for control. Reno, NV.

Schaafsma, H. 2005. Hohokam: Field-builders of the northern Phoenix basin: Implications for prehistoric people and modern plants. Presentation at the US Water Conservation Laboratory, Phoenix, AZ.

Schaafsma, H. 2005. How plants domesticated people and accidentally caused civilization. Presentation at the Arizona Archaeological Society meeting in Cave Creek, AZ.

Schaafsma, H. 2005. Legacies of Bronze Age and Medieval Period farming in central Sweden: Finding ancient land use in modern plants. Presentation at the ASU IGERT in Urban Ecology Brown Bag Talk, Arizona State University, Tempe.

Schaafsma, H. and K. Gade. 2005. Pattern versus process: Where shall we allocate our resources?. Presentation at May 16-19, 2005, American Society for Testing and Materials. Symposium: Invasive Species: Their Ecological Impacts and Alternatives for Control. Reno, NV.

2004

Schaafsma, H. 2004. lnterpreting modern landscape patches as a palimpsest of landscape history: Examples from Arizona and Sweden. Presentation at the School of Life Sciences, Arizona State University, Tempe, AZ.

Schaafsma, H. 2004. Recognizing ancient patterns of human activities in modern plant communities. Presentation at the Department of Systems Ecology, Stockholm University. Stockholm, Sweden.

Schaafsma, H. 2004. Ways of knowing: Seeking an understanding of the Earth. Presentation at the 89th Ecological Society of America annual meeting Portland, OR.

2003

Rodrigues, T. and H. Schaafsma. 2003. The ritual use of human body parts in the prehistoric and historic American Southwest: Archaeological data and ethnographic correlates. Presentation at the September 2 meeting of the Arizona Archaeological Society, Cave Creek, AZ.

Schaafsma, H. 2003. The implications for Hohokam farmers and the modern ecological legacy of anthropogenic solid in Cave Creek, Arizona. Presentation at the Arizona Archaeological Society Meeting, Cave Creek, AZ.

Schaafsma, H. and J. M. Briggs. 2003. A legacy on the modern landscape of prehistoric farming in the Sonoran Desert of Arizona. Presentation 3-8 August at the 88th Annual Meeting of the Ecological Society of America, Savannah, GA.

2002

Schaafsma, H. 2002. Hohokam: The field builders. Presentation at the 75th Pecos Conference, Pecos, NM.

Reports

2009

Kruse, M., W. G. Russell, H. Schaafsma, C. Strawhacker and J. Wallace. 2009. Report of the 2007 archaeological survey of northwestern portions of Perry Mesa within Agua Fria National Monument, Yavapai County, Arizona. Report submitted to the BLM, Phoenix, AZ. Ms on file at Arizona State University.

Thesis (Masters)

2003

Schaafsma, H. 2003. Legacies of prehistoric agriculture in the Sonoran Desert. MS thesis. Arizona State University.