Figure 3.5.3. Comparison of benthic species richness (mean + 1 SD) among (A) all, 
California, Oregon, and Washington sample locations, and (B) California NMS, 
California non-NMS, Olympic Coast NMS, and Washington-Oregon non-NMS sample 
locations.90 
Figure 3.5.4. Percent area (and 95% confidence interval) of overall West Coast Shelf 
sampling area vs. benthic species richness (# taxa/0.1-m' 2 grab).91 
Figure 3.5.5. Map illustrating the distribution of benthic species richness (# taxa per 
0.1- m 2 grab) throughout the West Coast region.92 
Figure 3.5.6. Comparison of benthic species diversity (H\ mean + 1 SD) among (A) all, 
California, Oregon, and Washington sample locations, and (B) California NMS, 
California non-NMS, Olympic Coast NMS, and Washington-Oregon non-NMS sample 
locations.93 
Figure 3.5.7. Percent area (and 95% confidence interval) of overall West Coast Shelf 
sampling area vs. Shannon-Wiener (H') diversity index.94 
Figure 3.5.8. Comparison of benthic density (mean + 1 SD) among (A) all, California, 
Oregon, and Washington sample locations, and (B) California NMS, California non- 
NMS, Olympic Coast NMS, and Washington-Oregon non-NMS sample locations.97 
Figure 3.5.9. Percent area (and 95% confidence interval) of overall West Coast Shelf 
sampling area vs. benthic abundance (number of individuals/m 2 ).98 
Figure 3.5.10. Marine ecoregions bordering the Pacific Coast of the United States from 
Southern California through the Aleutian Islands.104 
Figure 3.5.11. Latitudinal pattern of abundance of the polychaete Magelona longicornis. 
.105 
Figure 3.5.12. Latitudinal pattern of abundance of the bivalve Axinopsida serricata.. 105 
Figure 3.5.13. Latitudinal pattern of abundance of the ophiuroid Amphiodia urtica. ..106 
Figure 3.5.14. Latitudinal pattern of abundance of the decapod Pinnixa occidentalis. . 
.106 
XIV 
