a_species page (willow - (Salix sp.))

willow (Salix sp.) Family: Salicaceae
Guild: Pioneer, moist-site, shade intolerant
Functional Lifeform: variable: shrublike or medium/large
Silvics Manual: Click here for willow
(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 willow:

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

Current-FIA

GISS

GFDL

Hadley

UKMO

CCC

Summary (All-5)

5-GCM Average

Distribution Tables for willow: (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 willow:
(Output appears in Output Area: below)

Ecological Attributes Soil Elevation Climate

Output Area:

Salix spp. Willow Salicaceae

FIA distributions (452 counties) quartiles: min 1st mean median 3rd max rank

Diameter, cm (1015 plots) 0.3 3.0 19.1 10.7 32.1 142.7 62

Growth Rate, cm2/yr (476 plots) 0.3 11.8 32.9 24.9 46.6 271.3 12

Annual Temperature, �C 2.2 13.2 14.8 16.3 18.0 22.0 15

January Temperature, �C -12.0 1.3 3.7 5.1 8.1 16.2 16

Precipitation, mm 777 1120 1240 1240 1360 1610 20

Potential Evapotranspiration, mm/month 12.6 58.6 68.2 73.0 80.3 107.0 23

Maximum Elevation, m 3 87 281 169 335 1860 65

Slope, percent 0.4 1.9 7.1 5.4 10.1 42.4 68

pH 2.1 4.3 4.7 4.7 5.1 7.3 36

Permeability, cm/hr 0.3 1.1 2.6 1.7 3.7 10.7 32

Organic Matter, percent 0.8 1.5 3.4 1.9 4.2 34.5 59

Clay, percent 3.1 16.8 22.7 22.5 28.8 53.1 54

Water-Holding Capacity, cm/cm 3.9 6.1 7.4 7.2 8.8 11.9 34

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 (452 counties) quartiles:	min	1st	mean	median	3rd	max	rank
Diameter, cm (1015 plots)	0.3	3.0	19.1	10.7	32.1	142.7	62
Growth Rate, cm2/yr (476 plots)	0.3	11.8	32.9	24.9	46.6	271.3	12
Annual Temperature, �C	2.2	13.2	14.8	16.3	18.0	22.0	15
January Temperature, �C	-12.0	1.3	3.7	5.1	8.1	16.2	16
Precipitation, mm	777	1120	1240	1240	1360	1610	20
Potential Evapotranspiration, mm/month	12.6	58.6	68.2	73.0	80.3	107.0	23
Maximum Elevation, m	3	87	281	169	335	1860	65
Slope, percent	0.4	1.9	7.1	5.4	10.1	42.4	68
pH	2.1	4.3	4.7	4.7	5.1	7.3	36
Permeability, cm/hr	0.3	1.1	2.6	1.7	3.7	10.7	32
Organic Matter, percent	0.8	1.5	3.4	1.9	4.2	34.5	59
Clay, percent	3.1	16.8	22.7	22.5	28.8	53.1	54
Water-Holding Capacity, cm/cm	3.9	6.1	7.4	7.2	8.8	11.9	34