Disturbance to Surface Lithic Components of Archaeological Sites by Drill Seeding |
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| Authors: | Neal M. Bryan Val Jo Anderson Rachel A. Fugal |
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| Affiliation: | 1. Doctoral candidate, Department of Agronomy and Horticulture, University of Nebraska–Lincoln, Lincoln, NE 68521, USA;2. Department Chair, Department of Plant and Wildlife Sciences, Brigham Young University, Provo, UT 84602, USA;3. Research Associate, Department of Plant and Wildlife Sciences, Brigham Young University, Provo, UT 84602, USA;1. Sostenipra Research Group (ICTA-IRTA-Inèdit; 2014 SGR 1412), Institute of Environmental Sciences and Technology (ICTA; Unidad de excelencia “María de Maeztu” (MDM-2015-0552)), Z Building, Universitat Autònoma de Barcelona (UAB), Campus UAB, 08193 Bellaterra, Barcelona, Spain;2. Institut Cartogràfic i Geològic de Catalunya, Parc de Montjuïc, 08038, Barcelona, Spain;3. Department of Projects and Construction Engineering (DEPC), Universitat Politècnica de Catalunya, BarcelonaTech. Diagonal 647, Ed. H, 08028, Barcelona, Spain;4. Department of Chemical Engineering, Universitat Autònoma de Barcelona (UAB), Campus UAB, 08193 Bellaterra, Barcelona, Spain;5. Department of Civil and Environmental Engineering (DECA), Universitat Politècnica de Catalunya (UPC-BarcelonaTech), Campus Nord, C/Jordi Girona 1-3, 08034, Barcelona, Spain;6. Institute for Sustainability Science and Technology (IS.UPC), Universitat Politècnica de Catalunya (UPC-BarcelonaTech), Campus Nord, C/Jordi Girona 31, 08034, Barcelona, Spain;1. Necmettin Erbakan University, Faculty of Fine Arts, Department of Interior Architecture and Environmental Design, Konya, Turkey;2. Ni?de Ömer Halisdemir University, Faculty of Engineering, Department of Geological Engineering, Ni?de, Turkey;3. Ni?de Ömer Halisdemir University, Industrial Raw Materials and Building Materials Application and Research Center, Ni?de, Turkey;4. German Archaeological Institute, Istanbul Department, ?stanbul, Turkey;5. Konya Technical University, Faculty of Engineering and Natural Sciences, Department of Geological Engineering, Konya, Turkey |
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| Abstract: | Federally funded range improvement treatments in the United States require that land managers consider the treatment’s impacts to archaeological sites. Pending archaeological clearance can result in the postponement or exclusion of effective seeding practices, which in turn can result in poor seed establishment, increased weeds, recurrent fire, accelerated soil erosion, and damage to cultural sites. Less intensive requirements would help relieve time restrictions, but less-conspicuous sites might be missed. We quantified the displacement and damage that lithic artifacts would incur if missed in an inventory and subsequently subjected to drill seeding treatments. We subjected chert, quartzite, and obsidian materials to impact by a rangeland drill and a no-till drill on sandy and silty soils. Soil texture was the most important factor in perpendicular lithic movement. In the silty soil, lithics were displaced perpendicular to the direction of the drill nearly twice as far as in the sandy soil (7.8 cm ± 0.9 SE vs. 4.1 cm ± 0.6 SE, P < 0.01). No experimental factor showed a difference in absolute displacement (mean = 15 cm). Damage to lithics was infrequent (25%) and minor with no experimental factor showing statistical significance. Approximately 30% of lithics were buried by treatments. In the sandy soil, the rangeland drill buried lithics 6.5 mm ± 1.6 SE deep, on average, which was twice as deep as the no-till drill in the sandy soil (3.0 mm ± 0.9 SE) and four times as deep as both drills in the silty soil (1.5 mm ± 0.5 SE; P = 0.03). Minimal effects of drill seeding on lithics suggest that drill seeding could proceed with less-intensive archaeological surveys. |
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