Environmental covariates included in initial
(global) models of habitat associations for Wood Thrush (Hylocichla
mustelina) in Bird Conservation Region 23, the Prairie-Hardwood
Transition. A
priori model reviewed by Larkin Powell.
|
Environmental
Variable
|
|
Percent composition of the landscape described as moist,
as indexed by a measure of wetness potential (as opposed
to, say, the National Wetland Inventory, which is not available
for all areas in our study area)
|
|
Percent composition of landscape in white-red-jack pine,
spruce, and fir OR Percent composition of landscape in coniferous
|
|
Percent composition of landscape in oak, elm, maple, and
birch OR Percent composition of landscape in deciduous land
cover
|
|
Percent composition of landscape in woody wetlands
|
|
Percent composition of landscape in urban grass
|
Note: No weather variables have been
identified associated with this species distribution or abundance |
Environmental covariates included in initial
(global) models of habitat associations for Cerulean Warbler (Dendroica
cerulea) in Bird Conservation Region 23, the Prairie-Hardwood Transition.
A priori model reviewed by Tom Will.
|
Environmental
Variable
|
|
Mean size of deciduous patch
|
|
Mean size of deciduous patch x Northing
|
|
Mean size of deciduous patch x Easting x Northing
|
|
Percent class of landscape in woody wetlands
|
|
Percent class of landscape in oak and elm
|
|
Percent composition of the landscape described as moist,
as indexed by a measure of wetness potential (as opposed
to, say, the National Wetland Inventory, which is not available
for all areas [i.e., Wisconsin] in our study area)
|
Note: No weather variables have been
identified associated with this species distribution or abundance |
Environmental covariates included in initial
(global) models of habitat associations for Red-headed Woodpecker
(Melanerpes erythrocephalus) in Bird Conservation Region 23, the
Prairie-Hardwood Transition. A priori model reviewed by Kimberly
G. Smith.
|
Environmental
Variable
|
|
Percent composition of landscape in herbaceous land cover
(grassland) OR Mean patch size of grassland
|
|
Percent composition of landscape in fallow land cover
|
|
Percent composition of landscape in beech and oak OR Percent
composition of landscape in deciduous
|
|
Percent composition of landscape in row crop
|
|
Mean stream density
|
|
Percent composition of landscape in urban grass
|
|
Percent composition of landscape in fragmented forest
|
|
Percent composition of the landscape described as moist,
as indexed by a measure of wetness potential (as opposed
to, say, the National Wetland Inventory, which is not available
for all areas in our study area)
|
|
Percent composition of landscape in woody wetland
|
Note: No weather variables have been
identified associated with this species distribution or abundance |
Environmental covariates included in initial
(global) models of habitat associations for Golden-winged Warbler
(Vermivora chrysoptera) in Bird Conservation Region 23, the Prairie-Hardwood
Transition. A priori model reviewed by Tom Will.
|
Environmental
Variable
|
|
Percent composition of landscape in fragmented forest
|
|
Percent composition of landscape in deciduous forest
|
|
Percent composition of landscape in aspen forest
|
|
Interspersion and juxtaposition of shrub, grass, and forest
land covers
|
|
Interaction of interspersion index and percent composition
of forest
|
|
Percent composition of landscape in shrub
|
|
Percent composition of landscape in coniferous forest
|
|
Percent composition of landscape in urban grass
|
|
Percent composition of landscape in pasture/hay
|
|
Percent composition of landscape in transitional landcover
(e.g., forest clearcuts, temporary clearing of vegetation)
|
Note: No weather variables have been
identified associated with this species distribution or abundance |
Environmental covariates included in initial
(global) models of habitat associations for Sedge Wren (Cistothorus
platensis) in Bird Conservation Region 23, the Prairie-Hardwood
Transition.
|
Environmental
Variable
|
|
Percent composition of landscape in emergent herbaceous
wetlands
|
|
Percent composition of landscape in herbaceous land cover
(grassland) OR Mean patch size of grassland OR Mean shape
of grassland patch
|
|
(-) Percent composition of landscape in forest
|
|
Percent composition of the landscape described as moist,
as indexed by a measure of wetness potential (as opposed
to, say, the National Wetland Inventory, which is not available
for all areas in our study area)
|
|
Interaction between grassland and percent moist land (index
of moist meadows) OR GIS-derived moist meadows (overlay of
grassland and moisture index)
|
|
Percent composition of landscape in shrub
|
|
Mean stream density
|
|
Interaction of stream density and percent grassland
|
|
Percent composition of landscape in small grains a
|
|
Mean temperature in January a
|
|
Mean number of frostfree days OR mean number of growing
days a
|
a 30-yr average |
Environmental covariates included in initial
(global) models of habitat associations for Henslow's Sparrow (Ammodramus
henslowii) in Bird Conservation Region 23, the Prairie-Hardwood
Transition. A priori model reviewed by Eileen Kirsch and David
W. Sample.
|
Environmental
Variable
|
|
Percent composition of landscape in herbaceous land cover
(grassland)
|
|
Percent composition of the landscape described as moist,
as indexed by a measure of wetness potential (as opposed
to, say, the National Wetland Inventory, which is not available
for all areas in our study area)
|
|
(-) Percent composition of landscape in forest
|
|
Percent composition of landscape in agriculture
|
|
Interaction between percent grassland and percent moist
land (index of moist meadows) OR GIS-derived moist meadows
(overlay of grassland and moisture index)
|
|
Mean temperature during the driest quarter of the yeara
|
|
Mean precipitation during the hottest quarter of the yeara
|
|
Range annual precipitationa
|
a 30-yr average |
Environmental covariates included in initial
(global) models of habitat associations for Upland Sandpiper (Bartramia
longicauda) in Bird Conservation Region 23, the Prairie-Hardwood
Transition. A priori model reviewed by David W. Sample.
|
Environmental
Variable
|
|
Percent composition of landscape in herbaceous land cover
(grassland) OR Mean patch size of grassland
|
|
Percent composition of the landscape described as moist,
as indexed by a measure of wetness potential (as opposed
to, say, the National Wetland Inventory, which is not available
for all areas in our study area)
|
|
Interaction between percent grassland and percent moist
land (index of moist meadows) OR GIS-derived moist meadows
(overlay of grassland and moisture index)
|
|
Percent of landscape in sandy parent material
|
|
Interaction of sandy parent material and percent landscape
in grassland
|
|
3-way interaction between sandy substrate, moist soils,
and grassland
|
|
Mean precipitation during the hottest quarter of the year a
|
|
Variability in precipitation during the hottest quarter
of the year a
|
|
Mean summer precipitation a
|
|
Range of annual temperature a
|
|
Mean precipitation during the coldest quarter of the year a
|
|
Range of annual precipitation a
|
a 30-yr average |
Environmental covariates included in initial
(global) models of habitat associations for Grasshopper Sparrow
(Ammodramus savannarum) in Bird Conservation Region 23, the Prairie-Hardwood
Transition. A priori model reviewed by David W. Sample and Peter
Vickery.
|
Environmental
Variable
|
|
Percent composition of landscape in herbaceous land cover
(grassland) OR Mean patch size of grassland
|
|
Percent composition of the landscape described as moist,
as indexed by a measure of wetness potential (as opposed
to, say, the National Wetland Inventory, which is not available
for all areas in our study area)
|
|
Percent composition of landscape in agriculture
|
|
(-) Percent composition of landscape in shrub and forest
land cover
|
|
Percent of landscape in sandy parent material
|
|
Interaction of sandy parent material and percent landscape
in grassland
|
|
Maximum temperature during the hottest quarter of the year a
|
|
Variability in temperature during the hottest quarter of
the year a
|
|
Mean fall precipitation a
|
|
Variability in mean autumn precipitation a
|
|
Mean summer precipitation a
|
|
Variability in mean summer precipitation a
|
|
Mean temperature during the wettest quarter of the year a
|
|
Minimum temperature during the coldest quarter of the year a
|
a 30-yr average |
Environmental covariates included in initial
(global) models of habitat associations for Bobolink (Dolichonyx
oryzivorus) in Bird Conservation Region 23, the Prairie-Hardwood
Transition. A priori model reviewed by David W. Sample.
|
Environmental
Variable
|
|
Mean patch size of herbaceous land cover (grassland)
|
|
Percent composition of the landscape described as moist,
as indexed by a measure of wetness potential (as opposed
to, say, the National Wetland Inventory, which is not available
for all areas in our study area)
|
|
Percent composition of landscape in agriculture
|
|
Percent composition of landscape in shrub land cover
|
|
Mean temperature during the coldest quarter of the yeara
|
|
Variability in temperature during the coldest quarter of
the yeara
|
|
Mean spring precipitationa
|
|
Variability in mean spring precipitationa
|
|
Interaction between percent grassland and percent moist
land (index of moist meadows) OR GIS-derived moist meadows
(overlay of grassland and moisture index)
|
a 30-yr average |
Environmental covariates included in initial
(global) models of habitat associations for Black-billed Cuckoo
(Coccyzus erythropthalmus) in Bird Conservation Region 23, the
Prairie-Hardwood Transition.
|
Environmental
Variable
|
|
Percent composition of landscape in beech and oak
|
|
Mean patch size of deciduous land cover
|
|
Percent composition of the landscape described as moist,
as indexed by a measure of wetness potential (as opposed
to, say, the National Wetland Inventory, which is not available
for all areas in our study area)
|
|
Interaction between deciduous forest and percent moist
land (index of moist meadows) OR GIS-derived moist forests
(overlay of forest and moisture index)
|
|
Percent composition of landscape in shrub
|
|
Mean stream density
|
|
Percent composition of landscape in woody wetlands
|
|
Percent composition of landscape in urban grass
|
Note: No weather variables have been
identified associated with this species distribution or abundance |
Environmental covariates included in initial
(global) models of habitat associations for American Woodcock (Scolopax
minor) in Bird Conservation Region 23, the Prairie-Hardwood Transition.
|
Environmental
Variable
|
|
Percent composition of landscape in shrub
|
|
Percent composition of landscape in woody wetlands
|
|
Percent composition of landscape in oak, elm, maple, and
birch OR Percent composition of landscape in deciduous land
cover OR Mean size of deciduous patches
|
|
Percent composition of landscape in fragmented forest
|
|
Percent composition of landscape in pasture/hay
|
Note: No weather variables have been
identified associated with this species distribution or abundance |
|
U.S. Department of the Interior |
U.S. Geological Survey