Version 5 Tree Atlas


Betula nigra

river birch

elev

Betula nigra Occurrence Sites

Environmental Variables Included
Order of Importance of Environmental Variables for Betula nigra

USDA Plants Database entry for Betula nigra
Silvics Manual entry for Betula nigra


Click on any map to enlarge

SynonymsFIA PlotsGBIF SitesOther SitesOther TypesTotal SitesNotes
706116822range is well-represented

Occurrence Locations and Hargrove's Present Suitable Range Outline
Betula_nigra_final Occurrences
Hargroves Present Suitable Range Outline for Betula_nigra_final
Betula nigra - Occurrence Locations Betula nigra - Hargrove's Present Suitable Range Outline
Present Conditions
Betula_nigra_final.4.conus
Betula_nigra_final.4.global
Betula nigra - CONUS
Compare with Current Range from the Silvics Manual for Betula nigra
Compare with Current Range from Biota of North America Program (BONAP) for Betula nigra

Compare with Betula nigra modeled for Current conditions by Iverson and Prasad
Betula nigra not modeled by Crookston and Rehfeldt
Betula nigra not modeled by Coops and Waring
Betula nigra - Global

PCM - Parallel Climate Model
Betula_nigra_final.4.conus
Betula_nigra_final.4.global
PCM, Scenario A1FI, 2050 - Betula nigra - CONUS
PCM, Scenario A1FI, 2050 - Betula nigra - Global
Betula_nigra_final.4.conus
Betula_nigra_final.4.global
PCM, Scenario A1FI, 2100 - Betula nigra - CONUS
Compare with Betula nigra modeled for PCM A1FI in 2100 by Iverson and Prasad
PCM, Scenario A1FI, 2100 - Betula nigra - Global

Betula_nigra_final.4.conus
Betula_nigra_final.4.global
PCM, Scenario B1, 2050 - Betula nigra - CONUS
PCM, Scenario B1, 2050 - Betula nigra - Global
Betula_nigra_final.4.conus
Betula_nigra_final.4.global
PCM, Scenario B1, 2100 - Betula nigra - CONUS
Compare with Betula nigra modeled for PCM B1 in 2100 by Iverson and Prasad
PCM, Scenario B1, 2100 - Betula nigra - Global

Hadley Climate Model
Betula_nigra_final.4.conus
Betula_nigra_final.4.global
Hadley, Scenario A1FI, 2050 - Betula nigra - CONUS
Betula nigra not modeled by Crookston and Rehfeldt
Hadley, Scenario A1FI, 2050 - Betula nigra - Global
Betula_nigra_final.4.conus
Betula_nigra_final.4.global.
Hadley, Scenario A1FI, 2100 - Betula nigra - CONUS
Compare with Betula nigra modeled for Hadley A1FI in 2100 by Iverson and Prasad
Betula nigra not modeled by Crookston and Rehfeldt
Betula nigra not modeled by Coops and Waring
Hadley, Scenario A1FI, 2100 - Betula nigra - Global

Betula_nigra_final.4.conus
Betula_nigra_final.4.global.
Hadley, Scenario B1, 2050 - Betula nigra - CONUS
Betula nigra not modeled by Crookston and Rehfeldt
Betula nigra not modeled by Coops and Waring
Hadley, Scenario B1, 2050 - Betula nigra - Global
Betula_nigra_final.4.conus
Betula_nigra_final.4.global
Hadley, Scenario B1, 2100 - Betula nigra - CONUS
Compare with Betula nigra modeled for Hadley B1 in 2100 by Iverson and Prasad
Betula nigra not modeled by Crookston and Rehfeldt
Hadley, Scenario B1, 2100 - Betula nigra - Global
Range Shift and Summary Statistics for Hadley, Scenario B1, 2050
Betula_nigra_final.elev

Number of Suitable Ecoregions (Niche Breadth)

69

Percent Rank of Generalist Niche Breadth of all ForeCASTS species

31.2329

Area in Present Suitable Range (in km2)

909242

Area in Future Suitable Range (Had B1 2050, in km2)

339322

Area of Overlap of Future Suitable Range with
Present Suitable Range (Had B1 2050, in km2)

235021

Percent Overlap of Future Suitable Range with
Present Suitable Range (Had B1 2050)

25.8400

Percent Rank of Largest Proportion of Overlap of all ForeCASTS species

88.6301

Percent Change in Area of Suitable Range (Had B1 2050)

-62.6800

Percent Rank of Largest Percent Change in Suitable Area of all ForeCASTS species

93.9726

Mean Non-Zero Fine Minimum Required Movement Distance
(Had B1 2050, in km)

19416.9 +/- 23701.3

Percent Rank of Longest Fine MRM Distance of all ForeCASTS species

36.5753

Mean Non-Zero Coarse Minimum Required Movement Distance
(Had B1 2050, in map cells)

9.15715 +/- 10.658

Percent Rank of Longest Coarse MRM Distance of all ForeCASTS species

35.8904

Mean Non-Zero Coarse Optimum Required Movement Distance
(Had B1 2050, in map cells)

159.443 +/- 567.081

Percent Rank of Longest Coarse ORM Distance of all ForeCASTS species

35.3425

Area of Present Range that has No Home in the Future
(Had B1 2050, in map cells)

34373

Proportion of Present Range that has No Home in the Future
(Had B1 2050, percent)

3.7800

Percent Rank of Largest Proportion with No Home of all ForeCASTS species

32.6027

Area of Present Range that is already Home in the Future
(Had B1 2050, in map cells)

118020

Proportion of Present Range that is already Home in the Future
(Had B1 2050, percent)

12.9800

Percent Rank of Largest Proportion Already Home of all ForeCASTS species

86.7123

Present and Future Ranges - Hadley, Scenario B1, 2050 - Betula nigra Betula nigra - Range Change Statistics
Fine Minimum Required Movement (MRM) Distance and Direction for Hadley, Scenario B1, 2050
Betula_nigra_final.elev Fine MRM Distance
Betula_nigra_final.elev Fine MRM Direction
Fine Minimum Required Movement (MRM) Distance - Hadley, Scenario B1, 2100 - Betula nigra Fine Minimum Required Movement (MRM) Direction - Hadley, Scenario B1, 2100 - Betula nigra
Coarse Minimum Required Movement (MRM) and Optimum Required Movement (ORM) Distance for Hadley, Scenario B1, 2050
Betula_nigra_final.elev Coarse MRM Distance
Betula_nigra_final.elev Coarse ORM Distance
Coarse Minimum Required Movement (MRM) Distance - Hadley, Scenario B1, 2100 - Betula nigra Coarse Optimum Required Movement (ORM) Distance - Hadley, Scenario B1, 2100 - Betula nigra

Thu Jul 21 10:05:49 EDT 2016


For additional information contact:

William W. Hargrove
Eastern Forest Environmental Threat Assessment Center (EFETAC)
USDA Forest Service
Southern Research Station
200 WT Weaver Boulevard
Asheville, NC 28804-3454
(828) 257-4846
(865) 235-4753 (cell)
(828) 257-4313 (fax)
hnw@geobabble.org

William W. Hargrove (hnw@geobabble.org)