appendix b final 2008 biological surveys of los angeles and long ...

6.0 Riprap Biota
Table 6.3-1. Mean Abundance, Biomass, Number of Species, Diversity, and Dominance of Riprap
Biota by Tidal Zones in Los Angeles and Long Beach Harbors, January and July 2008.
Harbor
Location - Substrate Station Abundance
Biomass
(g)
Number
of
Species
Shannon-
Wiener
Diversity
Margalef
Diversity
Dominance
Outer - Riprap LARR1 185 26.88 25 1.88 3.31 4.50
Inner – Cement Slabs
(W), Riprap (S)
LARR2 109 17.50 9 0.53 0.79 1.50
Inner - Piling LARR3 154 101.95 28 1.98 3.20 4.00
Outer – Cement slabs LARR4 128 11.78 10 1.14 1.98 3.00
(W), Riprap (S)
Outer - Riprap LBRR1 218 4.59 6 2.57 4.32 7.00
Inner – Boulders (1- to LBRR2 164 11.63 5 1.31 1.44 2.50
2-foot)
Outer – Cement slabs LBRR3 148 21.25 6 1.31 1.91 3.00
(W), riprap (S)
Outer – Boulders (1- to LBRR4 14 8.15 7 1.15 1.43 2.00
3-foot)
Upper Intertidal Mean 140 25.47 12 1.48 2.30 3.44
Outer - Riprap LARR1 670 8.59 51 2.56 6.99 6.00
Inner – Cement Slabs LARR2* 55 2.72 16 2.51 4.92 6.00
Inner - Piling LARR3 254 68.76 42 2.19 5.44 5.00
Outer – Cement slabs LARR4 * 170 5.26 20 2.35 4.37 6.00
(W), Riprap (S)
Outer - Riprap LBRR1 257 7.74 54 3.09 8.08 10.00
Inner – Boulders (1- to LBRR2 223 70.38 60 2.40 6.59 5.00
2-foot)
Outer – Cement slabs LBRR3 135 4.52 36 2.75 6.30 9.50
(W), riprap (S)
Outer – Boulders (1- to LBRR4 98 24.59 28 2.52 5.11 5.00
3-foot)
Lower Intertidal Mean 233 24.07 38 2.55 5.98 6.56
Outer - Riprap LARR1 285 5.77 62 3.11 9.21 11.00
Inner – Rocks (W), LARR2* 118 6.12 26 2.87 6.06 10.00
Riprap (S)
Inner – Piling LARR3 150 92.52 35 2.25 6.36 6.00
Outer – Cement slabs LARR4 226 5.22 30 1.14 1.98 3.00
(W), Riprap (S)
Outer – Riprap LBRR1 276 4.98 47 2.88 7.30 8.00
Inner – Few Rocks LBRR2 122 69.00 35 2.90 8.64 10.00
Outer – Cement
LBRR3 194 16.78 53 2.56 7.44 6.50
slabs/Rocks (W), Riprap
(S)
Outer – Boulders (3-foot) LBRR4 91 4.23 28 2.61 5.09 6.50
2008 Biological Surveys of Los Angeles and Long Beach Harbors 6–9
April 2010