| The following are the predictors used in the RandomForest model. |  |
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Climate
Tmaysep: Mean May-September temperature (°C) Tjul: Mean July temperature (°C) Tjan: Mean January temperature (°C) Tavg: Mean annual temperature (°C) Pptmaysep: Mean May-September precipitation (mm) Ppt: Annual precipitation (mm)) Juljandiff: Mean difference between July and January Temperature (°C) |
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Elevation
Elv_rang: Range of elevation (m) Elv_min: Minimum elevation (m) Elv_mean: Average elevation (m) Elv_max: Maximum elevation (m) |
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Bird Species IV
IV12: balsam fir (Abies balsamea) IV68: eastern redcedar (Juniperus virginiana) IV71: tamarack (native) (Larix laricina) IV94: white spruce (Picea glauca) IV95: black spruce (Picea mariana) IV97: red spruce (Picea rubens) IV105: jack pine (Pinus banksiana) IV107: sand pine (Pinus clausa) IV110: shortleaf pine (Pinus echinata) IV111: slash pine (Pinus elliottii) IV115: spruce pine (Pinus glabra) IV121: longleaf pine (Pinus palustris) IV123: Table Mountain (pine Pinus pungens) IV125: red pine (Pinus resinosa) IV126: pitch pine (Pinus rigida) IV128: pond pine (Pinus serotina) IV129: eastern whitepine (Pinus strobus) IV131: loblolly pine (Pinus taeda) IV132: Virginia pine (Pinus virginiana) IV221: baldcypress (Taxodium distichum) IV222: pondcypress (Taxodium distichum var. nutans) IV241: northern white-cedar (Thuja occidentalis) IV261: eastern hemlock (Tsuga canadensis) IV315: striped maple (Acer pensylvanicum) IV316: red maple (Acer rubrum) IV318: sugar maple (Acer saccharum) IV319: mountain maple (Acer spicatum) IV332: yellow buckeye (Aesculus octandra) IV355: European alder (Alnus glutinosa) IV371: yellow birch (Betula alleghaniensis) IV372: sweet birch (Betula lenta) IV375: paper birch (Betula papyrifera) IV379: gray birch (Betula populifolla) IV391: American hornbeam: musclewood (Carpinus caroliniana) IV401: water hickory (Carya aquatica) IV403: pignut hickory (Carya glabra) IV407: shagbark hickory (Carya ovata) IV408: black hickory (Carya texana) IV409: mockernut hickory (Carya tomentosa) IV421: American chestnut (Castanea dentata) IV461: sugarberry (Celtis laevigata) IV462: hackberry (Celtis occidentalis) IV491: flowering dogwood (Cornus florida) IV531: American beech (Fagus grandifolia) IV541: white ash (Fraxinus americana) IV543: black ash (Fraxinus nigra) IV555: loblolly-bay (Gordonia lasianthus) IV580: silverbell (Halesia spp.) IV591: American holly (Ilex opaca) IV611: sweetgum (Liquidambar styraciflua) IV621: yellow-poplar (Liriodendron tuliperfia) IV641: osage-orange (Maclura pomifera) IV651: cucumberbird (Magnolia acuminata) IV653: sweetbay (Magnolia virginiana) IV692: Ogechee tupelo (Nyssa ogechee) IV693: blackgum (Nyssa sylvatica) IV694: swamp tupelo (Nyssa sylvatica var. biflora) IV711: sourwood (Oxydendrum arboreum) IV721: redbay (Persea borbonia) IV741: balsam poplar (Populus balsamifera) IV743: bigtooth aspen (Populus grandidentata) IV746: quaking aspen (Populus tremuloide) IV762: black cherry (Prunus serotina) IV802: white oak (Quercus alba) IV806: scarlet oak (Quercus coccinea) IV809: northern pinoak (Quercus ellipsoidalis) IV812: southern redoak (Quercus falcata var.falcata) IV813: cherrybark oak (Quercus falcata var.pagodifolia) IV817: shingle oak (Quercus imbricaria) IV819: turkey oak (Quercus laevis) IV820: laurel oak (Quercus laurifolia) IV822: overcup oak (Quercus lyrata) IV824: blackjack oak (Quercus marilandica) IV825: swamp chestnutoak (Quercus michauxii) IV826: chinkapin oak (Quercus muehlenbergii) IV827: water oak (Quercus nigra) IV831: willow oak (Quercus phellos) IV832: chestnut oak (Quercus prinus) IV833: northern redoak (Quercus rubra) IV835: post oak (Quercus stellata) IV837: black oak (Quercus velutina) IV838: live oak (Quercus virginiana) IV840: dwarf postoak (Quercus stellata var margaretta) IV931: sassafras (Sassafras albidum) IV951: American basswood (Tilia americana) IV952: white basswood (Tilia heterophylla) IV971: winged elm (Ulmus alata) IV972: American elm (Ulmus americana) |
