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

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5.0 Benthic <strong>and</strong> Epibenthic Invertebrates<br />

Table 5.3-6. Historical Comparison <strong>of</strong> the Ten Most Abundant Benthic Infauna Taxa, in Descending Order <strong>of</strong> Dominance, in Los<br />

Angeles <strong>and</strong> Long Beach Harbors.<br />

Year 1954 1973-1974 1978 1983 1986-1987 1994 <strong>and</strong> 1996 2000 <strong>2008</strong><br />

Source Reish 1959 HEP 1976 HEP 1980 MBC 1984 ** MEC 1988*<br />

1 Pseudopolydora Tharyx ? parvus Cossura Cossura Cossura<br />

paucibranchiata<br />

c<strong>and</strong>ida c<strong>and</strong>ida c<strong>and</strong>ida<br />

2 Tharyx parvus Capitita<br />

ambiseta<br />

3 Cossura<br />

c<strong>and</strong>ida<br />

4 Capitella<br />

capitata<br />

5 Cirriformia<br />

luxuriosa<br />

6 Dorvillea<br />

articulata<br />

Cossura<br />

c<strong>and</strong>ida<br />

Capitella<br />

capitata<br />

Paraonis gracilis<br />

oculata<br />

Euchone<br />

limnicola<br />

7 Phoronids Chaetozone<br />

corona<br />

8 Nereis procera Sigambra<br />

tentaculata<br />

9 Capitita<br />

ambiseta<br />

Prionospio<br />

cirrifera<br />

10 Macoma nasuta Schistomeringos<br />

<strong>long</strong>icornis<br />

Mediomastus<br />

californiensis<br />

Tharyx sp.<br />

Prionospio<br />

cirrifera<br />

Capitella<br />

capitata<br />

Paraonis<br />

gracilis oculata<br />

Euchone<br />

limnicola<br />

Hap<strong>los</strong>colop<strong>los</strong><br />

e<strong>long</strong>atus<br />

Sigambra<br />

tentaculata<br />

Nephtys<br />

cornuta<br />

franciscana<br />

Prinospio<br />

cirrifera<br />

Capitella<br />

capitata<br />

Pseudopolydora<br />

paucibranchiata<br />

Polydora ligni<br />

Prionospio lighti Leitoscolop<strong>los</strong><br />

pugettensis<br />

Mediomastus<br />

spp.<br />

Levinsenia<br />

gracilis<br />

Euchone<br />

limnicola<br />

SAIC/MEC<br />

1997 ** MEC 2002 Present Study<br />

Cossura c<strong>and</strong>ida Pseudopolydora Theora lubrica<br />

paucibranchiata<br />

Aphelochaeta<br />

multifilis<br />

Type 2<br />

Chaetozone<br />

corona<br />

Amphideutopus<br />

oculatus<br />

Amphideutopus<br />

oculatus<br />

Cossura sp. A<br />

Theora lubrica<br />

Euphilomedes<br />

carcharodonta<br />

Tharyx sp. Theora lubrica Mediomastus sp. Monticellina<br />

siblina<br />

Mediomastus<br />

ambiseta<br />

Carinomella<br />

lactea<br />

Mediomastus<br />

californiensis<br />

Paraprionospio<br />

pinnata<br />

Tharyx sp. C<br />

Monticellina<br />

tesselata<br />

Euchone limnicola<br />

Nebalia<br />

pugettensiscomplex<br />

Cossura spp. A<br />

Streb<strong>los</strong>oma spp.<br />

B<br />

Monticellina<br />

siblina<br />

Amphideutopus<br />

oculatus<br />

Scleroplax<br />

granulata<br />

Nematoda Monticellina sp. 1 Mediomastus spp. Pista agassizi<br />

Tharyx sp. A<br />

Tharyx<br />

tesselata<br />

Paraprionospio<br />

pinnata<br />

Euclymene<br />

grossanewporti<br />

Spiophanes<br />

berkeleyorum<br />

Chaetozone<br />

corona<br />

Pseudopolydora<br />

paucibranchiata<br />

Pista wui<br />

<strong>2008</strong> Biological Surveys <strong>of</strong> Los Angeles <strong>and</strong> Long Beach Harbors 5–17<br />

April 2010

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