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Title:

Cover and density data of southwestern ponderosa pine understory plants in permanent chart quadrats (2002-2020+)

Author(s):

Moore, Margaret M.; Jenness, Jeffrey S.; Laughlin, Daniel C.; Strahan, Robert T.; Bakker, Jonathan D.; Dowling, Helen E.; Springer, Judith D.

Publication Year:

2021

How to Cite:

These data were collected using funding from the U.S. Government and can be used without additional permissions or fees. If you use these data in a publication, presentation, or other research product please use the following citation:

Moore, Margaret M.; Jenness, Jeffrey S.; Laughlin, Daniel C.; Strahan, Robert T.; Bakker, Jonathan D.; Dowling, Helen E.; Springer, Judith D. 2021. Cover and density data of southwestern ponderosa pine understory plants in permanent chart quadrats (2002-2020+). Fort Collins, CO: Forest Service Research Data Archive. Updated 17 February 2023. https://doi.org/10.2737/RDS-2021-0092

Abstract:

This data publication includes cover and density data collected on 101 permanent 1 meter (m) x 1 m (1-m²) quadrats located within southwestern ponderosa pine ecosystems near Flagstaff, Arizona, USA. Individual plants in these quadrats were identified and mapped annually for 21 years (2002-2022), and we plan to add data as we continue to survey these quadrats in the future. The original chart quadrats were established between 1912 and 1927. We provide the following data and data formats: (1) digitized maps of all plant locations in shapefile and geodatabase format, (2) shapefiles showing annual locations of each individual plant species, (3) exported annual maps of each quadrat in TIFF and PDF format, (4) annual basal area of each species per quadrat for species mapped as polygons, (5) tabular representation of polygon areas and centroid locations for plant species mapped as polygons, (6) tabular representation of point locations for plant species mapped as points, (7) plot-scale 20 m x 20 m overstory tree canopy cover, tree basal area, parent material, and elevation, (8) quadrat-scale information (e.g., quadrat site and number, coordinates in UTM Zone 12 and latitude/longitude, and descriptive comments for each quadrat), (9) plant species list, (10) summary of plant species observed in each quadrat, (11) summary of quadrats mapped by site and year, and (12) data formatted for use in Integral Projection Models (IPM) and plant population analyses.

Keywords:

biota; environment; Climate change; Climate change effects; Ecological adaptation; Ecology, Ecosystems, & Environment; Plant ecology; Forest & Plant Health; Botany; Climate effects; Human effects; Rangeland plants; Inventory, Monitoring, & Analysis; Monitoring; Natural Resource Management & Use; Range management & grazing; chart quadrat; demography; forbs; long-term study; graminoid; population dynamics; Arizona; Fort Valley Experimental Forest; Coconino National Forest

Related publications:

• Moore, Margaret M.; Jenness, Jeffrey S.; Laughlin, Daniel C.; Strahan, Robert T.; Bakker, Jonathan D.; Dowling, Helen E.; Springer, Judith D. 2022. Cover and density of southwestern ponderosa pine understory plants in permanent chart quadrats (2002-2020). Ecology. e3661. https://doi.org/10.1002/ecy.3661
• Jenness, Jeffrey S. 2021. Mapped_Chart_Quadrats_VBA_Code: Mapped chart quadrats VBA code. v1.0.0 Edition. Zenodo. https://doi.org/10.5281/zenodo.7581946

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  • RDS-2021-0092_Supplements.zip (36.99 KB; Checksum)
  • RDS-2021-0092_Data.zip (458.93 MB; Checksum)
  • RDS-2021-0092_QuadratMapImages.zip (2.35 GB; Checksum)

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