Biological Invasions of Cold-Water Coastal Ecosystems - Aquatic ...

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Chapt 10. Biodiversity, page 10- 61 Table 10.11. Mammals. FAMILY GENUS SPECIES COMMON NAME BIOREGION SPECIMEN or SOURE HABITAT STATUS NEP NWP AR NWA Source Balaenopteridae Balaenoptera acutorostrata Minke Whale Wynne 1992 nsh/pel m x x x x Wynne 1992 Balaenopteridae Balaenoptera physalus Fin Whale Wynne 1992 nsh/pel m x x x x Wynne 1992 Balaenopteridae Megaptera novaeangliae Humpback Whale Wynne 1992 nsh m x x x x Wynne 1992 Delphinidae Orcinus orca Killer Whale Wynne 1992 nsh/pel r/m x x x x Wynne 1992 Eschrichtiidae Eschrichtius robustus Grey Whale Wynne 1992 pel m II III IV Wynne 1992 Mustelidae Enhydra lutris Sea Otter Wynne 1992 int/nsh r II III IV x Hall 1981 Mustelidae Lontra canadensis River Otter UAM Mammals int r x x x x Hall 1981 Otariidae Callorhinus ursinus Northern Fur Seal UAM Mammals pel m II III IV x Hall 1981 Otariidae Eumetopias jubatus Steller’s Sea Lion UAM Mammals nsh r II III IV x Hall 1981 Phocidae Phoca vitulina Harbor Seal UAM Mammals nsh r II III IV Hall 1981 Phoecoenidae Phocoena phocoena Harbor Porpoise Wynne 1992 nsh m/r II x x Wynne 1992 Phoecoenidae Phocoenoides dalli Dall’s Porpoise Wynne 1992 nsh/pel m/r II III IV x Wynne 1992 Ursidae Ursus americanus Black Bear UAM Mammals int r II III Hall 1981 Ursidae Ursus arctos Brown Bear UAM Mammals int r II III Hall 1981 10E. Discussion The data sets contain entries for 1878 taxa, of which all but 180 are species-level identifications. Thirty-nine species are recognized as possibly undescribed. Eighty-nine species had not previously been reported in Prince William Sound, and represent distributional range extension. (Table 10.12.) These species were probably overlooked in previous environmental surveys, because of their small size, cryptic appearance, similarity to more well-known species, or lack of taxonomic experts to work with them. Eighteen species are likely to represent nonindigenous species. At least 97 species are uncertain in origin (cryptogenic). Over 70% of the animals (1343) are invertebrates. Arthropods 24.3%, mollusks 16.8%, and polychaete annelids 12.4% make up the largest number of total species. (Table 10.13. Figure 10.4). Plants Cnidaria/ Ctenophora Nemertea Polychaeta Mollusca Arthropoda probable NIS 5 1 2 1 9 definate NIS 1 1 2 1 1 1 2 9 range extension within Alaska 4 9 1 8 1 8 31 range extension to Alaska 17 2 19 7 10 2 1 58 cryptogenic 68 7 1 6 82 potential new or undescribed species 1 6 2 1 1 11 not identified to species 10 27 1 7 1 109 19 5 3 182 total spcies-level taxa 231 102 45 233 315 455 68 74 30 23 178 113 14 1881 Echinodermata Bryozoa Urochordata Other invertebrates Fishes Birds Mammals TOTALS Table 10.12. Summary of Prince William Sound marine biota by NIS status and identification confidence.
Chapt 10. Biodiversity, page 10- 62 Plants Cnidaria/ Ctenophor Mollusca numer of species 231 102 315 233 455 66 74 98 178 113 14 percent of total fauna 6.2% 19.1% 14.2% 27.7% 4.0% 4.5% 6.0% 10.6% 6.9% 0.9% percent of total biota 12.3% 5.4% 16.8% 12.4% 24.3% 3.5% 3.9% 5.2% 9.3% 6.0% 0.7% total invertebrates 1343 total vertebrates 302 total plants 233 total biota considered 1876 Polychaeta Arthropoda Echinodermata Bryozoa Other invertebrates Fishes Birds Mammals Table 10.13. Summary of the plants and animals considered. Marine Plants Ascomycota Cyanophyta Xanthophyta Chlorophyta Rhodophyta Phaeophyta vascular plants Marine Biota total invertebrates total vertebrates total plants Marine Invertebrates Cnidaria/Ctenophora Polychaeta Mollusca Arthropoda Echinodermata Bryozoa other invertebrate phyla Vertebrates fishes birds mammals Figure 10.4. Species composition of Prince William Sound marine biota by major taxon.
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page i BIOLOGICAL INVASIONS OF COLD
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page iii • Stephan Benda, Valdez
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page v • From an industry and man
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page vii • The magnitude of seaso
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page xi microscopes for the study.
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page xiii 9C9. Echinoderms 9C9-1 9C
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Chapt 5 Ballast Water Exchange Expe
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Chapt 9A. Overview of NIS Surveys,
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Chapt 9B. NIS Surveys: Rapid Commun
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Appendix Table 9C4.5. Continued Cha
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Appendix Table 9C4.7. UAF unidentif
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Chapt 9C5. Copepod Crustaceans, pag
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Chapt 9C6 Decapod Crustaceans, page
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Chapt 9C7. Shelled Molluscs, page 9
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Chapt 9C10. Ascidians, page 9C10- 2
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Chapt 9D. Fouling Community Surveys
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