4.4 Biological Resources
Table 4.4-1
R
Percent of Least Tern Foraging Habitat(1) Affected By Worst-Case Turbidity(2)
R
R
R
R
Within One Mile
Within Two Miles
R
Receiver Site
R
Maximum Typical
Maximum Typical
R
Average Current
Average Current
R
R
Cutterhead Dredge
R
Oceanside
0
0
0.02
0.5
R
N. Carlsbad
0
0
0.02
0.5
R
S. Carlsbad (N)
0.01
0.5
0.003
0.1
R
S. Carlsbad (S)
0.01
0.5
0.009
0.2
R
Batiquitos
0.03
1.1
0.009
0.2
R
Leucadia
0.03
1.1
0.009
0.2
R
Moonlight
0.01
0.5
0.003
0.1
R
Cardiff
0.14
2.0
0.03
0.5
R
Solana Beach
0.3
1.0
0.07
0.3
R
Del Mar
0
0
0
0
R
Torrey Pines
0
0
0
0
R
Mission Beach
0.02
0.05
0.007
0.02
R
Imperial Beach
0.1
0.3
0.03
0.07
R
Hopper Dredge
R
Oceanside
0
0
0.06
1.0
R
N. Carlsbad
0
0
0.06
1.0
R
S. Carlsbad (N)
0.05
1.8
0.01
0.5
R
S. Carlsbad (S)
0.05
1.8
0.02
0.5
R
Batiquitos
0.07
2.4
0.02
0.6
R
Leucadia
0.07
2.4
0.02
0.6
R
Moonlight
0.07
1.8
0.02
0.5
R
Cardiff
0.3
3.9
0.07
1.0
R
Solana Beach
0.3
1.0
0.07
0.3
R
Del Mar
0
0
0
0
R
Torrey Pines
0
0
0
0
R
Mission Beach
0.02
0.15
0.01
0.4
R
Imperial Beach
0.18
0.5
0.04
0.1
R
(1)
Does not consider habitat within the lagoons which is also known to be used for foraging.
R
(2)
Worst-case turbidity assuming nearshore placement and no reduction for training dikes.
R
(3)
Radii calculated from river/lagoon mouth, not necessarily exact for tern nesting locations.
R
Page 4.4-26
Regional Beach Sand Project EIR/EA
99-69\SANDAG EIREA 4.1 to 4.13.wpd 7/17/00
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