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Research ArticleArticles

Plant Species Richness on an Electric Transmission Right-Of–Way Using Integrated Vegetation Management

Richard H. Yahner and Russell J. Hutnik
Arboriculture & Urban Forestry (AUF) May 2005, 31 (3) 124-130; DOI: https://doi.org/10.48044/jauf.2005.015
Richard H. Yahner
*School of Forest Resources, The Pennsylvania State University, University Park, PA, 16802, U.S.
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Russell J. Hutnik
*School of Forest Resources, The Pennsylvania State University, University Park, PA, 16802, U.S.
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Article Figures & Data

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  • Figure 1.
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    Figure 1.

    Diagram of a 230-kV electric transmission line, showing wire and border zone. A combination of a low-growing, forb–shrub–grass cover type develops in the wire zone, and a tall shrub cover type occurs in the border zone. Adjacent to the border zone is mature forest.

  • Figure 2.
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    Figure 2.

    A basal low-volume spray unit (BLV-3). Note the diversity of plant species in this unit (photo credit: R. Yahner, July 2003).

Tables

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    Table 1.

    The total number of plant species in wire and border zones of 15 treatment units at the State Game Lands 33 Research and Demonstration Area from late May through mid-August 2003 and 2004. The number of exotic species is given in parentheses.

    TreatmentNumber of species
    Replicate unitWire zoneBorder zoneEither zone
    MowingM-122 (1)32 (1)35 (1)
    M-239 (3)35 (1)46 (3)
    M-430 (2)34 (2)40 (2)
    Average31 (2)34 (1)40 (2)
    Mowing plus herbicideMH-134 (6)38 (1)48 (5)
    MH-343 (10)41 (5)60 (13)
    Average39 (8)40 (3)54 (9)
    Stem–foliage spraySF-134 (3)39 (1)43 (3)
    SF-247 (10)41 (8)55 (13)
    Average41 (7)40 (5)49 (8)
    Foliage sprayF-129 (1)32 (1)38 (1)
    F-236 (5)37 (3)49 (6)
    Average33 (3)35 (2)44 (4)
    Basal low-volumeBLV-123 (1)32 (0)36 (1)
    BLV-232 (1)41 (2)47 (2)
    BLV-350 (10)46 (12)63 (16)
    BLV-431 (0)31 (0)39 (0)
    Average34 (3)38 (4)46 (5)
    HandcutHC-127 (0)41 (3)42 (3)
    HC-242 (6)41 (3)42 (9)
    Average35 (3)41 (3)47 (6)
    All units combined95 (18)110 (24)125 (29)
    Number found exclusive to a zone14 (3)27 (11)41 (14)
  • SpeciesM-lM-2M-4MH-1MH-3zSF-1SF-2zF-lF-2BLV-1BLV-2BLV-3zBLV-4HC-1HC-2
    Lycopodium spp.B——BW——W——WB——————B————
    Osmunda claytoniana————————————————————————W————
    Dennstaedtia punctilobulaWBWBWBBWBWBWBWBWBBWBWBWBWBWB
    Pteridium aquilinumWBWBWBB——WBWBWB——WBWBWBWBWBWB
    Tsuga canadensis————————————————————————————B
    Sassafras albidumBB——B——————B————————WB————
    Aquilegia canadensis——W——————————————B——————————
    Berberis spp.y————————————————————————————B
    Hammamelis VirginianaBWBWBWBWBWBWBBWBWBWBWBWBWBWB
    Laportea canadensis————W——————————WB——B————————
    Comptonia peregrinaWBWBWBWBWBWBWBWBWWBWBWBWB——WB
    Querarcus albaBWBWBWB——WB——WBBWBWBBBWBWB
    Castanea dentate——————————————————————————B——
    Querarcus ilicifoliaBW——WB——————WB——B——WBBWBW
    Querarcus montanaWBWBBBBWBWBWBBB——WWBWBB
    Querarcus rubraWBWBWBWBBWBWBWBWBWBWBWBWBWBWB
    Querarcus velutina————BB——————————B——————WBB
    Corylus cornuta————————————————————————B——W
    Phytolacca americana——————————WB————————————————B
    Dianthus armeriay————————W————————————————————
    Silene vulgarusy————————————————————B——————B
    Polygonum scandens——WB————WWBWBWWB——BW——WBWB
    Rumex acetosellayWB——WBWBWBWWBWBWWWBWB——————
    Hyperieum perforatum————————————B————————B——————
    Viola spp.————————————————W——B————————
    Adiaria paiolatay————————————B——————————————W
    Barbarea vulgarisy——WB————W——WB————————W——————
    Hesperis matronalisy——————————————————————B——————
    Gaylussada barcataWBWB——————————B——W——WB——B——
    Kalmia latifolia——————————————————————WBWBB——
    Rhododendron canescens————————B————————————WWB————
    Vaeeinium angustifoliumWBWBWBWBWBWBWBWBBWBWBWBWBWBWB
    Vaccinium pallidumWBWBWBWBWBWBWBWBWBWBWBWBWWBWB
    Vaeeinium stamineumB——WBWBBWB——WB————WBWBW
    Lysimachia quadrifoliaWBWBWBWBWBWBWBWBWBWBWBWBWBWBWB
    Ribes rotundifoliumBWB——————WBWWBWBWBWBWBBWBWB
    Amelanchier spp.WWBWBWBBWBWBWBWBBWB——WBWBWB
    Aronia melanoearpa——————B——————WB——————WW————
    Crataegus spp.BWBBBWBBWBBWBBWB——WBWWB
    Fragaria Virginiana——B————W————————————W————W
    Malus coronaria————————B————————————————————
    Potentilla simplex——WWBWBWB——WB——WBBBWB——WBWB
    Potentilla rectoy————————W——W————————————————
    Prunus serotinaWBWBBWBWBBWBWWBBWBWBWBWBWB
    Rosa multifloray——————————————————————B——B——
    Rubus allegheniensisWBWBWBWBWBWBWBWBWBWBWBWBWBWBWB
    Rubus hispidusWBWBWBWB——WBWBWBWBWBWWBWBWBWB
    Rubus idaeus——————————————————————B——————
    Spiraea alba————WB——W——WB——W——WW——————
    Amphicarpaea bracteata————————————————————B————————
    Coronilla variay——————WW————————————W——B——
    Lotus corniculatusy————————————B————————————————
    Robinia pseudoacacia————————————————————————————B
    Elaeagnus umbellatay——————————————————————B——————
    Circaea lutetianaW——WW——————WWBW——WB——WB——
    Oenothera biennis——WWWW——W——W——W————————
    Cornus amomum——————B——————————————————————
    Cornus florida————————————————————W————————
    Comandra umbellata——————WB——————B——————B——————
    Parthenocissus quinquefolia——————————B————————————————WB
    Vitis aestivalis——————————B————————————————B
    Acer rubrumWBWBWBWBWBBBWBWBWBWBWBWBWBWB
    Zanthoxylum americanum——B——————————————————————————
    Oxalis stricta————————————————W——————B——W
    Geranium maculatum————————————————————————————W
    Aralia nudicaulis——————————WB————————————————B
    Impatiens pallida——————B——————————————————————
    Aralia nudlcaulisBWB——WBBWBWB——BBBWBWBWBWB
    Cicuta maculata——W——W——————————————————————
    Doucus carotay————————W——WB————————W——————
    Apocynum eannabinum——B————WB————W——WBW————WB——
    Asclepias syriaca——W——WBWBWB————W——W——————W
    Solanum dulcamaray——————————————————————WB——————
    Blephilia hirsute————WB——————W——WB————WB——W
    Glechoma hederaceay——————————————————————B——————
    Prunella vulgaris————————————B————————————————
    Plantago lanceolatay——————————WW——————————————W
    Fraxinus americana————————B——————————B————————
    Verbascum thapsusy——————————————————————W——————
    Veronica peregrina————————W——————————————W————
    Lobelia inflata——————————————————————W——————
    Hedyotis caerulea————————W————————————W——————
    Diervilla lonicera——B————WB——B——————B————————
    Lonicera tataricay——————————————————————WB——————
    Sambucas canadensis————————W————————————————————
    Viburnum acerifolium————————B——————————B————————
    Viburnum recognitum——————————————————————B————W
    Dipsacus sylvestrisy——————————————————————B——————
    Achillea millefoliumy——W——WB——W——WB——————————WB
    Succisela inflexay————————B————————————————————
    Arctium lappay——————————————————————B——————
    Centaurea maculosay——————W————WB——W————WB————W
    Chrysanthemum leucanthemumy——W——WWB——WB——B————WB————W
    Cirsium arvensey————————W——————————————————W
    Erigeron philadelphicus————————————WB————————WB——————
    Erigeron annuus————————W——W————————W——————
    Euthamia graminifolia——WBWBWBWBWBWWW——WBWB——WBW
    Eupatorium rugosum————————————————————————————WB
    Hieracium aurantiacumy————————————WB——WB————————————
    Hieracium scrabrum——W——WWB——WB————————B——BW
    Lactuca biennis——————————————————————W——————
    Prenanthes trifoliolata——————B————————B————————————
    Solidago rugosaWBWBWBWBWBWBWBWBWBWBWBWBWBWBWB
    Taraxacum officinaley——————WW————————————WB——BW
    Tragopogon pratensisy————————WB——W————————————————
    Juncus spp.——BW——W——W——W————————————
    Carex spp.WBWBBWB——WBWBWBWWBWBWBWBWB
    Agrostis perennansB——B——BB————————B————————
    Danthonia spicata——WBWBWBWBWBWBWBWBBWBWBWBWBWB
    Festuca elatiorWBWWBWBWBWBWBWBWBWBWBWB——BWB
    Osyzopsis asperifoliaWBBBB——WBW——BBBBWB——
    Panicum spp.——WBWBBWBWBWBWBWB——WBWBWBWB
    Panicum spp.————WB——————————————————————
    Panicum clandestinumBWWB——BWBBBWBWWB——WBB
    Poa compressay————WB————WBW——W————————————
    Medeola VirginianaWB——————B————BBBB————————
    Maianthemum canadense——B————WBB——BB——WB——WB——WB
    Lilium philadelphicum——————————————————————W——————
    Smilacina racemosaBWBBWBWBWWBW——BW————W
    Streptopus roseus————————BWBW——B——WB——————WB
    Trillium undulatumB————————————————————BB————
    Uvularia perfoliata————————BB————B——B————————
    Uvularia sessilifolia——————————————————————————B——
    Smilax herbaceaWWBWBWBWBWBWBBBWBWB——WBW
    Cypripedium acaule————————————W————————B——————
    • ↵z Unit that was adjacent to an unpaved state forest road.

    • ↵y Considered an exotic species (Rhoads and Klein 1993).

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Arboriculture & Urban Forestry (AUF): 31 (3)
Arboriculture & Urban Forestry (AUF)
Vol. 31, Issue 3
May 2005
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Plant Species Richness on an Electric Transmission Right-Of–Way Using Integrated Vegetation Management
Richard H. Yahner, Russell J. Hutnik
Arboriculture & Urban Forestry (AUF) May 2005, 31 (3) 124-130; DOI: 10.48044/jauf.2005.015

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Plant Species Richness on an Electric Transmission Right-Of–Way Using Integrated Vegetation Management
Richard H. Yahner, Russell J. Hutnik
Arboriculture & Urban Forestry (AUF) May 2005, 31 (3) 124-130; DOI: 10.48044/jauf.2005.015
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Keywords

  • Exotic species
  • Herbicides
  • Integrated Vegetation Management
  • rights-of-way
  • species richness
  • tree control
  • vegetation

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