Urban Ecology Center Presentation

Planetary Systems and Operating Spaces

Rockstrom et al. Sept 2009. A safe opera5ng space for humanity. Nature.

41,755 MtCO2 equiv total in 2000

Slide Title goes here

www.glbrc.org

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4

www.glbrc.org

NRCS: Soil Biology Primer www.swcs.org

Indoor CO2 probe measurements with experimental treatments

CO2 traps using 5tra5on method-­‐”Communi5es” package

Agriscience Data Sept 2010

Cut vs. Uncut Grass Treatment

Column1 Column2 Column3

Values in parts per million (ppm)

r Collec9o n

Wet vs. Dry Soil

Column1 Column2 Column3 346136.11 11 1900 35469.444 44 1500 603211.11 11 535 1311.6666 67

701.71812 95

405.13715 1

2121.9409 501.39236 69 to 47

Control 1

1504 1243225

Control 1

Control 2

1274 1809025

Control 2

Control 3

5079 6051600 max value

Control 3

Ctrl Average (cut grass) Std Dev Std Error Range of Accuracy:

Uncut Grass 1 Uncut Grass 1 Uncut Grass 1 Uncut Average Std Dev Std Error Range of Accuracy:

Disturbed vs. Undisturbed Soil Control 1 Control 2 Control 3 Ctrl Average (undisturbed) Std Dev Std Error Range of Accuracy:

Disturbed 1 Disturbed 2 Disturbed Average Std Dev Std Error Range of Accuracy:

2619

2133.5240 8

1231.7907 02

5082.5814 155.41859 04 to 62

304336.11 11 1446

31093.444 44 718

140875.11 11 519

894.33333 33

488.00853 82

281.75186 09

1457.8370 330.82961 55 to 16

Ctrl Average

Column1 Column2 Column3 1504 1243225

1274 1809025

5079 6051600 max value 2619

2133.5240 8

1231.7907 02

5082.5814 155.41859 04 to 62

5079 144 max value 5055 144 max value 5067

16.970562 75

12

5091 to 5043

Fer5lized vs. Unfer5lized Column1

Std Dev Std Error Range of Accuracy:

Wet 1

2600

360000

Wet 2

1100

810000

Wet 3

2300

90000

Wet Average Std Dev Std Error Range of Accuracy:

2000 793.72539 33 458.25756 95 2916.5151 39 to

1083.4848 61

5500 2300

Fer5lized Control

Outgassing Buckets Student experiments