a_species page (black locust - (Robinia psuedoacacia))

black locust (Robinia psuedoacacia) Family: Cupressaceae
Guild: pioneer, dry-site intolerant
Functional Lifeform: small to medium-size evergreen
Silvics Manual: Click here for black locust
(Main Silvics Page: http://www.na.fs.fed.us/spfo/pubs/silvics_manual/table_of_contents.htm)

Life History Attributes & Disturbance Response

Ecological Attributes & Status of Species

Distribution Maps/Tables for black locust:

Distribution Maps for black locust: (Outputs will appear in new window)

Current-FIA

GISS

GFDL

Hadley

UKMO

CCC

Summary (All-5)

5-GCM Average

Distribution Tables for black locust: (Outputs will appear in new window)

IV Change Average IV IV*Area Area Change Total Area(%) N-S Shift Potential Winners/Losers

Ecological Attributes and Status of black locust:
(Output appears in Output Area: below)

Ecological Attributes Soil Elevation Climate

Output Area:

Robinia pseudoacacia Black Locust Leguminosae

FIA distributions (657 counties) quartiles: min 1st mean median 3rd max rank

Diameter, cm (3001 plots) 0.3 11.4 21.6 21.1 30.2 90.4 36

Growth Rate, cm2/yr (1274 plots) 0.4 7.2 14.8 12.0 18.6 138.9 49

Annual Temperature, �C 4.3 9.9 11.5 11.7 13.2 19.8 52

January Temperature, �C -12.3 -3.4 -1.2 -1.1 0.9 11.1 45

Precipitation, mm 516 986 1110 1090 1220 1930 45

Potential Evapotranspiration, mm/month 26.0 52.5 61.7 61.5 69.2 121.0 56

Maximum Elevation, m 6 287 544 394 701 2000 15

Slope, percent 0.9 7.6 15.9 13.6 21.4 51.0 5

pH 2.5 3.7 4.5 4.2 5.1 7.4 73

Permeability, cm/hr 0.3 1.0 1.9 1.5 2.2 11.7 59

Organic Matter, percent 1.0 1.8 2.7 2.2 2.7 16.2 37

Clay, percent 3.5 18.0 22.8 23.4 27.3 43.3 40

Water-Holding Capacity, cm/cm 3.6 5.8 7.1 6.7 8.3 11.8 66

Maps of Current FIA's IV, Predicted-Current IV (acc. to RTA Model) & Geographic Predictors

Maps of Predicted-Current IV, Predicted IV (GISS GCM), the Difference with Current & Potential Shifts (acc. to RTA Model)

Maps of Predicted-Current IV, Predicted IV (GFDL GCM), the Difference with Current & Potential Shifts (acc. to RTA Model

Maps of Predicted-Current IV, Predicted IV (Hadley GCM),the Difference with Current & Potential Shifts (acc. to RTA Model)

Maps of Predicted-Current IV, Predicted IV (UKMO GCM), the Difference with Current & Potential Shifts (acc. to RTA Model)

Maps of Predicted-Current IV, Predicted IV (CCC GCM), the Difference with Current & Potential Shifts (acc. to RTA Model)

Predicted IVs of Current & 5 GCM models for quick comparison

IV Change for all 5 Climate Change Scenarios

Average IV for all 5 Climate Change Scenarios

Area Weighted IV % change for all 5 Climate Change Scenarios

Area Change for all 5 Climate Change Scenarios

Percent of Total Area for all 5 Climate Change Scenarios

N-S Shift for all 5 Climate Change Scenarios

Sorted table of % Change of IV*Area averaged across all 5 Climate Change Scenarios

Statistical-range table of ecological attributes for some key variables

Chart of optimum IV range for pH and permeablility

Chart of optimum IV range for max. elevation and soil slope

Chart of optimum IV range for avg. annual temperature and annual precipitation

Average IV of all 5 GCMs.

FIA distributions (657 counties) quartiles:	min	1st	mean	median	3rd	max	rank
Diameter, cm (3001 plots)	0.3	11.4	21.6	21.1	30.2	90.4	36
Growth Rate, cm2/yr (1274 plots)	0.4	7.2	14.8	12.0	18.6	138.9	49
Annual Temperature, �C	4.3	9.9	11.5	11.7	13.2	19.8	52
January Temperature, �C	-12.3	-3.4	-1.2	-1.1	0.9	11.1	45
Precipitation, mm	516	986	1110	1090	1220	1930	45
Potential Evapotranspiration, mm/month	26.0	52.5	61.7	61.5	69.2	121.0	56
Maximum Elevation, m	6	287	544	394	701	2000	15
Slope, percent	0.9	7.6	15.9	13.6	21.4	51.0	5
pH	2.5	3.7	4.5	4.2	5.1	7.4	73
Permeability, cm/hr	0.3	1.0	1.9	1.5	2.2	11.7	59
Organic Matter, percent	1.0	1.8	2.7	2.2	2.7	16.2	37
Clay, percent	3.5	18.0	22.8	23.4	27.3	43.3	40
Water-Holding Capacity, cm/cm	3.6	5.8	7.1	6.7	8.3	11.8	66