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

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6.0 Riprap Biota<br />

Table 6.3-3. Mean Number <strong>of</strong> Species <strong>of</strong> Riprap Biota within Taxonomic Groups By <strong>and</strong> Across<br />

Tidal Zones in Los Angeles <strong>and</strong> Long Beach Harbors, January <strong>and</strong> July <strong>2008</strong>.<br />

Mean Total<br />

Crustaceans<br />

Mean Total<br />

Echinoderms<br />

Mean Total<br />

Molluscs<br />

Mean Total<br />

Polychaetes<br />

Mean<br />

Total<br />

Other<br />

Minor<br />

Phyla<br />

Total<br />

Mean<br />

Total<br />

Number<br />

<strong>of</strong><br />

Species<br />

Station<br />

Upper Intertidal<br />

LARR-1 5 0 7 12 1 25 38<br />

LARR-2 5 0 3 1 0 9 15<br />

LARR-3 5 0 9 9 5 28 47<br />

LARR-4 5 0 4 1 0 10 14<br />

LBRR-1 3 0 2 0 1 6 9<br />

LBRR-2 3 0 2 0 0 5 9<br />

LBRR-3 3 0 3 0 0 6 11<br />

LBRR-4 2 0 2 3 0 7 11<br />

Upper Intertidal<br />

4 0 4 3 1 12 19<br />

Mean<br />

Lower Intertidal<br />

LARR-1 24 1 6 14 6 51 75<br />

LARR-2* 5 0 2 9 0 16 29<br />

LARR-3 11 2 8 17 4 42 66<br />

LARR-4* 12 1 3 3 1 20 38<br />

LBRR-1 23 3 7 16 5 54 84<br />

LBRR-2 24 2 9 20 5 60 93<br />

LBRR-3 7 2 7 18 2 36 57<br />

LBRR-4 8 1 4 11 4 28 48<br />

Lower Intertidal<br />

14 2 6 14 3 38 61<br />

Mean<br />

Subtidal<br />

LARR-1 27 1 9 19 6 62 99<br />

LARR-2* 7 1 4 11 3 26 49<br />

LARR-3 8 1 6 18 2 35 60<br />

LARR-4 11 2 7 9 1 30 57<br />

LBRR-1 22 3 7 12 3 47 71<br />

LBRR-2 15 3 6 10 1 35 57<br />

LBRR-3 11 2 10 25 5 53 91<br />

LBRR-4 6 1 8 12 1 28 48<br />

Subtidal Mean 13 2 7 15 3 40 67<br />

Total Mean Across 11 1 6 10 2 30 49<br />

Tidal Zones<br />

Notes: Values are per 0.01-m2 quadrat.<br />

* Summer sample only<br />

<strong>2008</strong> Biological Surveys <strong>of</strong> Los Angeles <strong>and</strong> Long Beach Harbors 6–13<br />

April 2010

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