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5.7 Biological Resources

TABLE 5.7-11
IMPACTS TO VEGETATION TYPES

Existing Existing Percent
On-Site Off-Site Total Impact of
Areas Areas a Existing Total (acres)
Vegetation Type (acres) (acres) (acres)
Rabbitbrush Scrub/Native Perennial 59.88%
Grassland*/California Annual Grassland 131.0 41.3 172.3
Wand Buckwheat Scrub/Native Perennial 5.4 – 5.4 0.00%
Grassland*/California Annual Grassland
Wright’s Buckwheat Scrub*/Native Perennial 4.3 – 4.3 0.00%
Grassland*/California Annual Grassland
Yucca Scrub/Native Perennial Grassland*/California 24.3 – 24.3 4.43%
Annual Grassland
Group Total 181.8 41.3 223.1 47.23%
Other Areas
Agricultural 602.8 – 602.8 100.00%
Developed 26.4 35.0 61.4 90.19%
Developed/Disturbed 1.7 4.5 6.2 93.98%
Disturbed 141.5 27.5 169.0 76.54%
Disturbed (Landslide) 2.4 – 2.4 0.00%
Not Yet Mapped 3.8 99.0 102.8 96.31%
Open Water/Developed – 1.5 1.5 100.00%
Ornamental – 2.0 2.0 100.00%
Group Total 778.5 146.9 925.4 94.49%
GRAND TOTAL 12,320.0 226.8 12,546.8 61.78%
a Off-site areas include all areas outside the Project impact boundary that would be impacted by Project activities.
b Vegetation type identified by Impact Sciences (2003).
c Wildflower fields are not specifically delineated but are expected to occur scattered throughout the grassland
vegetation types.
* Special status vegetation type.
NOTE: A cell with “–”indicates that there is no value, while a cell with “0.0” indicates that there is a value but that it is too
small to round up to one-tenth of an acre. Also, due to rounding error (a miscalculation that results from rounding
off numbers to a convenient number of decimals), figures may not add exactly to total shown.

R:\Projects\PAS\CEN\000306\Draft EIR\5.7 Bio_051117.docx 5.7-157 Centennial Project
Draft EIR