Ecological Archives E088-084-A1

Noah Fierer, Mark A. Bradford, and Robert B. Jackson. 2007. Towards an ecological classification of soil bacteria. Ecology 88:1354–1364.

Appendix A. Soil and site characteristics for all samples included in the cross-site study. All sites are located within the United States. The average C mineralization rate is the average rate measured over the course of a 50 d incubation (see Methods).

Soil code

Location

Latitude (oN)

Longitude (oW)

Elevation (m)

Dominant plant species

MAT (oC)

MAP (mm)

Organic C (%)

Texture class

pH

Average C mineralization rate
(µg C-CO2·g soil-1·d-1)

BB1

Bear Brook, ME

44.9

68.1

400

Picea rubens

6.1

1200

12.8

sandy loam

4.3

5.6

BB2

Bear Brook, ME

44.9

68.1

400

Fagus grandifolia, Acer rubrum,
Acer saccharum,
Betula alleghaniensis

6.1

1200

5.2

sandy loam

4.6

2.2

BF1

Bousson Forest, PA

41.6

80.1

390

Acer saccharum, Fagus grandifolia,
Prunus serotina

7.8

1000

6.4

loam

4.1

7.0

BF2

Bousson Forest, PA

41.6

80.1

390

Acer saccharum, Fagus grandifolia,
Prunus serotina

7.8

1000

9.5

loam

3.6

8.7

BP1

Badlands National Park, SD

43.8

102.4

1000

Agropyron smithii, Schizachyrium scoparium

6.6

450

3.1

silt loam

7.5

2.7

BZ1

Bonanza Creek LTER, AK

64.8

148.3

300

Picea glauca

-2.9

260

3

silt loam

5.1

4.2

BZ2

Bonanza Creek LTER, AK

64.8

148.3

300

Picea glauca

-2.9

260

3

silt loam

5.2

8.1

BZ3

Bonanza Creek LTER, AK

64.8

148.3

300

Picea glauca

-2.9

260

3.7

silt loam

5.4

10.0

CA1

Cedar Mtn., AZ

36.1

111.8

2003

Pinus edulis

10.3

400

1.7

silt loam

7.3

2.3

CA2

Cedar Mtn., AZ

36.1

111.8

2003

Juniperus monosperma

10.3

400

2.2

silt loam

8

1.6

CC1

Cedar Creek LTER, MN

45.4

93.2

110

Carex muhlenbergii, Andropogon gerardii,
Poa pratensis,
Schizachyrium scoparium

5.8

720

1.9

sand

6.1

4.2

CF1

Catskills, NY

42.2

74.3

800

Acer saccharum, Fagus grandifolia,
Acer rubrum

5.3

1300

2.6

loam

3.9

2.3

CF2

Catskills, NY

41.9

74.4

800

Fagus grandifolia, Betula alleghaniensis,
Acer saccharum

5.3

1300

4.1

sandy loam

3.6

3.0

CF3

Catskills, NY

42.1

74.1

800

Tsuga canadensis

5.3

1300

4.3

silt loam

3.6

2.7

CL1

Calhoun Experimental Forest, SC

34.6

81.7

150

Quercus spp., Carya spp.,
Acer rubrum

15.9

1250

2.3

sandy loam

5.7

4.6

CL2

Calhoun Experimental Forest, SC

34.6

81.7

150

Bromus spp.

15.9

1250

2.3

sandy loam

5.6

4.1

CL3

Calhoun Experimental Forest, SC

34.6

81.7

150

Pinus taeda

15.9

1250

1.2

loamy sand

4.9

4.1

CM1

Clymer Meadow Preserve, TX

33.3

96.2

200

Andropogon gerardii, Sorghastrum nutans,
Schizachyrium scoparium

18.5

850

3

silty clay

7.9

2.0

CO1

Fort Collins, CO

40.4

105.7

3800

Geum rossii, Primula spp.,
Silene acaulis, Poa
spp.

-3

600

1.6

sand

6.1

4.5

CO2

Fort Collins, CO

40.6

105.3

2400

Pinus contorta

6.1

350

1.8

sandy loam

5.7

9.2

CO3

Shortgrass Steppe LTER, CO

40.8

104.8

1500

Bouteloua gracilis, Buchloe dactyloides,
Sphaeralcea coccinea

9.3

322

0.8

sandy loam

6

2.4

CR1

Coffey Ranch, TX

33.9

97.2

250

Schizachyrium scoparium, Andropogon gerardii,
Panicum virgatum

18.4

850

2.8

loam

8

3.1

DF1

Duke Forest, NC

36.0

79.1

163

Pinus taeda, Liquidambar styraciflua,
Liriodendron tulipifera,
Cornus florida

14.6

1100

2.8

sandy loam

5.4

13.2

DF2

Duke Forest, NC

36.0

79.1

150

Quercus alba

14.6

1100

1.7

loamy sand

5.1

4.1

GB1

Great Basin Experimental Range, UT

39.3

111.5

3750

Poa spp., Achillea millefolium

2

400

2.8

clay loam

6.8

6.1

GB2

Great Basin Experimental Range, UT

39.3

111.5

3290

Populus tremuloides, Vicia americana,
Bromus inermis understory

2

400

6.9

loam

7.6

5.4

GB3

Great Basin Experimental Range, UT

39.3

111.5

3270

Abies concolor, Picea engelmannii

2

400

5.7

clay loam

7.2

6.2

GB4

Great Basin Experimental Range, UT

39.3

111.5

3735

Penstemon rydbergii, Geranium richardsonii,
Achillea millefolium

2

400

3.6

clay loam

6.9

4.8

GB5

Great Basin Experimental Range, UT

39.4

111.6

2160

Juniperus osteosperma, Artemisia tridentata,
Bromus tectorum

4.8

400

1.7

silt loam

8.2

6.3

GB6

Great Basin Experimental Range, UT

39.3

111.5

3750

Lupinus perennis, Bromus inermis,
Achillea millifolium,
Taraxicum officinales

2

400

2.2

clay

7.2

3.4

HF1

Harvard Forest, MA

42.5

72.2

300

Pinus resinosa

7

1100

9.6

sandy loam

4

10.0

HI1

Kohala Peninsula, HI

20.1

155.7

700

Pennisetum clandestinum

23

750

15.8

sandy loam

6.3

11.8

HI2

Kohala Peninsula, HI

20.1

155.7

1000

Pennisetum clandestinum

23

1000

18.2

loamy sand

6.5

13.3

HJ1

H.J. Andrews Experimental Forest, OR

44.2

122.2

700

Pseudotsuga menziesii, Tsuga heterophylla,
Thuja plicata

9.4

2000

6.9

sandy loam

5.4

5.1

HJ2

H.J. Andrews Experimental Forest, OR

44.2

122.2

700

Alnus rubra, Rhododendron macrophyllum

9.4

2000

7.6

sandy loam

5.4

4.5

IE1

Institute for Ecosystem Studies, NY

41.8

73.8

75

Poa pratensis, Galium aparine,
Solidago
sp.

8.6

1200

2.7

sandy loam

5.3

7.5

IE2

Institute for Ecosystem Studies, NY

41.8

73.8

75

Anthoxanthum odoratum, Coronilla varia,
Galium aparine,
Schizachyrium scoparium

8.6

1200

4.1

sandy loam

5.5

11.4

IE3

Institute for Ecosystem Studies, NY

41.8

73.8

75

Galium aparine, Solidago sp.,
Phleum pratensis, Poa pratensis

8.6

1200

6.4

sandy loam

5.7

16.0

IE4

Institute for Ecosystem Studies, NY

41.8

73.8

75

Dactylis glomerata, Phleum pratensis,
Poa pratensis,
Anthoxanthum odoratum, Galium aparine

8.6

1200

3.3

sandy loam

6.3

11.3

IE5

Institute for Ecosystem Studies, NY

41.8

73.8

75

Anthoxanthum odoratum, Datcylis glomerata,
Galium aparine,
Solidago
sp.

8.6

1200

5.3

sandy loam

5.6

19.6

IT1

Itasca Lake State Park, MN

47.2

95.2

550

Acer saccharum, Corylus cornuta,
Populus tremuloides

3

750

6.3

sandy loam

5.8

16.1

IT2

Itasca Lake State Park, MN

47.2

95.2

550

Pinus resinosa

3

750

3.9

loamy sand

5.4

16.0

KP1

Konza Prairie LTER, KS

39.1

96.6

100

Andropogon gerardii, Sorghastrum nutans,
Poa pratensis

12.5

835

6.1

silt loam

6.4

4.3

KP2

Konza Prairie LTER, KS

39.1

96.6

100

Andropogon gerardii, Sorghastrum nutans,
Schizachyrium scoparium

12.5

835

4.6

silt loam

6.5

3.6

LQ1

Luquillo LTER, Puerto Rico

18.3

65.8

1000

Tabebuia rigida

19.3

5000

13.9

silt loam

4.9

6.0

LQ2

Luquillo LTER, Puerto Rico

18.3

65.8

400

Dacryodes excelsa

21.5

3500

4.1

silty clay loam

5

7.8

LQ3

Luquillo LTER, Puerto Rico

18.3

65.8

700

Cyrilla racemiflora

20.5

4500

6.4

sandy loam

4.7

3.7

MD1

Mojave Desert, CA

34.9

115.7

967

Larrea tridentata, Ambrosia dumosa,
Yucca shidigera

21

150

0.1

loamy sand

7.9

2.0

MD2

Mojave Desert, CA

35.2

115.9

776

Larrea tridentata, Ambrosia dumosa

21

150

0.6

loamy sand

8.1

5.7

MP1

Mary's Peak, OR

49.5

123.5

1300

Poa spp., Bromus spp.

8.8

2200

10.7

sandy loam

4.6

5.6

MP2

Mary's Peak, OR

49.5

123.5

1300

Abies procera

8.8

2200

9.9

sandy loam

4.4

7.1

RT1

USDA Grassland Research Center, Riesel, TX

31.5

96.9

50

Prosopis glandulosa, Gleditsia triacanthos,
Ulmus crassifolia

18.1

840

3.9

silty clay loam

7.9

1.9

RT2

USDA Grassland Research Center, Riesel, TX

31.5

96.9

50

Andropogon gerardii, Schizachyrium scoparium

18.1

840

3.8

silty clay loam

8.1

1.6

SA1

Sunset Crater, AZ

35.4

111.6

1905

Pinus edulis

10.3

400

2.3

sand

6.9

3.8

SB1

Santa Barbara, CA

34.5

119.8

500

Ceanothus megacarpus, Adenostoma fasciculatum

15

550

2.7

loam

7.9

7.2

SN1

Sierra Nevada Mts., CA

36.5

118.2

3000

Pinus jeffreyi, Abies concolor

3.6

600

4.3

loamy sand

5

13.0

SN2

Sierra Nevada Mts., CA

36.5

118.2

3000

Artemisia tridentata, Ceanothus prostratus

3.6

600

1.7

loamy sand

5.7

6.3

SP1

Sequoia National Park, CA

36.5

118.7

650

Adenostoma fasciculatum

12.7

650

1.7

sandy loam

6.25

7.7

SP2

Sequoia National Park, CA

36.6

118.6

3215

Calamagrostis breweri, Carex spp., Salix arctica,
Vaccinium caespitosum

3.6

750

8.1

loamy sand

5.1

6.5

SR1

Sedgwick Reserve, CA

34.7

120.1

300

Quercus douglasii, Bromus spp.

17.2

500

4.6

loam

6.8

6.1

SR2

Sedgwick Reserve, CA

34.7

120.1

300

Artemisia california and Salvia leucophylla

17.2

500

1.46

sandy loam

8

2.4

SR3

Sedgwick Reserve, CA

34.7

120.1

300

Bromus spp., Hordeum murinum

17.2

500

3.3

loam

7

7.2

SV1

Sevilleta LTER, NM

34.3

106.7

1480

Larrea tridentata

13.5

210

0.3

sandy loam

8.3

2.0

SV2

Sevilleta LTER, NM

34.3

106.7

1480

Bouteloua eriopoda, Bouteloua gracilis

13.5

210

0.2

loamy sand

8.4

1.4

SV3

Sevilleta LTER, NM

34.3

106.7

1480

Larrea tridentata, Bouteloua eriopoda

13.5

210

0.3

loamy sand

8.3

2.5

SV4

Sevilleta LTER, NM

34.3

106.7

1480

Larrea tridentata, Bouteloua eriopoda

13.5

210

0.3

loamy sand

8.3

2.0

TL1

Toolik Lake LTER, AK

68.6

149.6

894

Eriophorum vaginatum

-9.3

400

7

loam

4.6

9.2

VC1

Valles Caldera, NM

35.9

106.6

2746

Picea engelmannii, Populus tremuloides

2.5

500

5.7

sandy loam

5.6

15.2

VC2

Valles Caldera, NM

35.9

106.6

2733

Blepharoneuron tricholepis, Potentilla fruticosa,
Poa pratensis, Achillea millefolium

2.5

500

3.4

loam

6

6.3



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