Data from: Canopy closure exerts weak controls on understory dynamics: a 30-year study of overstory-understory interactions

 

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Title Plot_Resource_Environments
Downloaded 30 times
Description Classification of sample plots by resource environment. Column headings are: Plot number (first digit is watershed number, 1 or 3); Moisture (soil moisture availability class), and Aspect (aspect class). Moisture = Moist, Mesic, or Xeric. Aspect = Northerly, Southerly, or Intermediate (intermediate aspects were not analyzed for this attribute).
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Title Biomass_Herb_Colonist
Downloaded 20 times
Description Plot-level estimates of total above-ground biomass over the study period (1979 to 2008) for colonizing herbaceous species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are Mg/ha.
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Title Biomass_Herb_Residual
Downloaded 21 times
Description Plot-level estimates of total above-ground biomass over the study period (1979 to 2008) for residual herbaceous species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are Mg/ha.
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Title Biomass_Herb_Total
Downloaded 19 times
Description Plot-level estimates of total above-ground biomass over the study period (1979 to 2008) for all herbaceous species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are Mg/ha.
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Title Biomass_Shrub_Colonist
Downloaded 13 times
Description Plot-level estimates of total above-ground biomass over the study period (1979 to 2008) for colonizing shrub species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are Mg/ha.
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Title Biomass_Shrub_Residual
Downloaded 18 times
Description Plot-level estimates of total above-ground biomass over the study period (1979 to 2008) for residual shrub species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are Mg/ha.
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Title Biomass_Shrub_Total
Downloaded 18 times
Description Plot-level estimates of total above-ground biomass over the study period (1979 to 2008) for all shrub species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are Mg/ha.
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Title Biomass_Total
Downloaded 19 times
Description Plot-level estimates of total above-ground biomass over the study period (1979 to 2008) for all understory species. Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are Mg/ha.
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Title Biomass_Total_Colonist
Downloaded 14 times
Description Plot-level estimates of total above-ground biomass over the study period (1979 to 2008) for all colonizing species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are Mg/ha.
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Title Biomass_Total_Residual
Downloaded 18 times
Description Plot-level estimates of total above-ground biomass over the study period (1979 to 2008) for all residual species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are Mg/ha.
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Title Cover_Herb_Colonist
Downloaded 18 times
Description Plot-level values of total (summed) cover over the study period (1979 to 2008) of colonizing herbaceous species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are % (values can exceed 100%).
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Title Cover_Herb_Residual
Downloaded 14 times
Description Plot-level values of total (summed) cover over the study period (1979 to 2008) of residual herbaceous species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are % (values can exceed 100%).
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Title Cover_Herb_Total
Downloaded 13 times
Description Plot-level values of total (summed) cover over the study period (1979 to 2008) of all herbaceous species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are % (values can exceed 100%).
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Title Cover_Shrub_Colonist
Downloaded 15 times
Description Plot-level values of total (summed) cover over the study period (1979 to 2008) of colonizing shrub species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are % (values can exceed 100%).
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Title Cover_Shrub_Residual
Downloaded 16 times
Description Plot-level values of total (summed) cover over the study period (1979 to 2008) of residual shrub species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are % (values can exceed 100%).
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Title Cover_Shrub_Total
Downloaded 16 times
Description Plot-level values of total (summed) cover over the study period (1979 to 2008) of all shrub species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are % (values can exceed 100%).
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Title Cover_Total
Downloaded 15 times
Description Plot-level values of total (summed) cover over the study period (1979 to 2008) of all understory species. Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are % (values can exceed 100%).
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Title Cover_Total_Colonist
Downloaded 14 times
Description Plot-level values of total (summed) cover over the study period (1979 to 2008) of all colonizing species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are % (values can exceed 100%).
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Title Cover_Total_Residual
Downloaded 19 times
Description Plot-level values of total (summed) cover over the study period (1979 to 2008) of all residual species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are % (values can exceed 100%).
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Title Richness_Herb_Colonist
Downloaded 17 times
Description Richness over the study period (1979 to 2008) of colonizing herbaceous species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are number of species/plot.
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Title Richness_Herb_Residual
Downloaded 14 times
Description Richness over the study period (1979 to 2008) of residual herbaceous species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are number of species/plot.
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Title Richness_Herb_Total
Downloaded 14 times
Description Richness over the study period (1979 to 2008) of all herbaceous species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are number of species/plot.
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Title Richness_Shrub_Colonist
Downloaded 15 times
Description Richness over the study period (1979 to 2008) of colonizing shrub species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are number of species/plot.
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Title Richness_Shrub_Residual
Downloaded 13 times
Description Richness over the study period (1979 to 2008) of residual shrub species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are number of species/plot.
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Title Richness_Shrub_Total
Downloaded 13 times
Description Richness over the study period (1979 to 2008) of all shrub species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are number of species/plot.
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Title Richness_Total
Downloaded 18 times
Description Richness over the study period (1979 to 2008) of all understory species. Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are number of species/plot.
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Title Richness_Total_Colonist
Downloaded 14 times
Description Richness over the study period (1979 to 2008) of colonizing species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are number of species/plot.
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Title Richness_Total_Residual
Downloaded 17 times
Description Richness over the study period (1979 to 2008) of residual species (see Appendix A for species classification). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are number of species/plot.
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Title Overstory_Cover
Downloaded 11 times
Description Plot-level values of total (summed) tree species cover (foliage >2 m tall) over the study period (1979 to 2008). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1979, 1980, 1983, 1987, 1990, 1994, 1997, 2002, and 2008. Units are % (values can exceed 100%).
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Title Overstory_Density
Downloaded 17 times
Description Plot-level values of tree density (>1.4 m tall) over the study period (1980 to 2007). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1980, 1984, 1988, 1991, 1995, 2001, and 2007. Units are trees/ha.
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Title Overstory_Bole_Biomass
Downloaded 11 times
Description Plot-level estimates of tree (>1.4 m tall) bole biomass over the study period (1980 to 2007). Column headings are: Plot number (first digit is watershed number, 1 or 3); the remainining columns are sampling dates (1980, 1984, 1988, 1991, 1995, 2001, and 2007. Units are Mg/ha.
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When using this data, please cite the original publication:

Halpern CB, Lutz JA (2013) Canopy closure exerts weak controls on understory dynamics: a 30-year study of overstory-understory interactions. Ecological Monographs 83(2): 221–237. http://dx.doi.org/10.1890/12-1696.1

Additionally, please cite the Dryad data package:

Halpern CB, Lutz JA (2013) Data from: Canopy closure exerts weak controls on understory dynamics: a 30-year study of overstory-understory interactions. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.1q88j
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