Research ArticleAGRICULTURE

Engineered feature used to enhance gardening at a 3800-year-old site on the Pacific Northwest Coast

See allHide authors and affiliations

Science Advances  21 Dec 2016:
Vol. 2, no. 12, e1601282
DOI: 10.1126/sciadv.1601282
  • Fig. 1 Site location and setting.

    Dotted line represents the approximate historic extent of Pitt Polder wetlands.

  • Fig. 2 DhRp-52 site topography, major Late Component (4100 cal B.P. to 3200 cal B.P.) features, wet-site activity areas, and garden patch stratigraphy.
  • Fig. 3 Perishable materials from DhRp-52 wetland garden.

    (A) Sample of conserved wood digging stick tips. (B) Ancient wapato tubers (preconservation) excavated from DhRp-52 wet-site garden area deposits.

  • Fig. 4 Density distribution of water nymph (N. flexilis) and wapato (S. latifolia) from the oldest (S7W/S9W) to the most recent (S2W) deposits in the garden stratigraphic sequence at DhRp-52.

Supplementary Materials

  • Supplementary material for this article is available at http://advances.sciencemag.org/cgi/content/full/2/12/e1601282/DC1

    fig. S1. Radiocarbon sequence for DhRp-52.

    fig. S2. Plan view of SRP feature from garden area.

    fig. S3. Sample of conserved wapato (S. latifolia) tubers excavated from DhRp-52 wet-site deposits.

    table S1. Radiocarbon dates from DhRp-52.

    table S2. Frequency and distribution of abundant seed taxa in the garden deposits at DhRp-52.

    table S3. Total counts of perishable artifacts from DhRp-52.

    table S4. Species identification of a sample of perishable artifacts excavated from DhRp-52 wet-site (area II) deposits.

  • Supplementary Materials

    This PDF file includes:

    • fig. S1. Radiocarbon sequence for DhRp-52.
    • fig. S2. Plan view of SRP feature from garden area.
    • fig. S3. Sample of conserved wapato (S. latifolia) tubers excavated from DhRp-52 wet-site deposits.
    • table S1. Radiocarbon dates from DhRp-52.
    • table S2. Frequency and distribution of abundant seed taxa in the garden deposits at DhRp-52.
    • table S3. Total counts of perishable artifacts from DhRp-52.
    • table S4. Species identification of a sample of perishable artifacts excavated from DhRp-52 wet-site (area II) deposits.

    Download PDF

    Files in this Data Supplement:

Stay Connected to Science Advances

Navigate This Article