UBC Graduate Research

Changing jellyfish populations: Trends in large marine ecosystems Brotz, Lucas

Abstract

DIRECTOR'S FORWARD. ABSTRACT. INTRODUCTION. Definition of "Jellyfish". Problem Statement. Challenges of Studying Jellyfish Populations. Impacts of Jellyfish Blooms. Invasive Species. MATERIALS AND METHODS. Large Marine Ecosystem Approach. 1950 Baseline. The Jellyfish Chronicles. Data Selection. Abundance Trend. Scoring Chronicles. Identifying Invasive Species. Fuzzy Expert System. Uncertainty. RESULTS. Effects of Invasive Species. Effects of Jellyfish Overexploitation. DISCUSSION. Defining an ‘Increase’. Species Invasions. Taxonomic Concerns. LME #1 – East Bering Sea. LME #2 – Gulf of Alaska. LME #3 – California Current. LME #4 – Gulf of California. LME #5 – Gulf of Mexico. LME #6 – Southeast U.S. Continental Shelf. LME #7 – Northeast U.S. Continental Shelf. LME #8 – Scotian Shelf. LME #9 – Newfoundland-Labrador Shelf. LME #10 – Insular Pacific-Hawaiian. LME #11 – Pacific Central-American Coastal. LME #12 – Caribbean Sea. LME #13 – Humboldt Current. LME #14 – Patagonian Shelf. LME #15 – South Brazil Shelf. LME #16 – East Brazil Shelf. LME #18 – West Greenland Shelf. LME #21 – Norwegian Sea. LME #22 – North Sea. LME #23 – Baltic Sea. LME #24 – Celtic-Biscay Shelf. LME #25 – Iberian Coastal. LME #26 – Mediterranean Sea. LME #28 – Guinea Current. LME #29 – Benguela Current. LME #30 – Agulhas Current. LME #31 – Somali Coastal Current. LME #32 – Arabian Sea. LME #34 – Bay of Bengal. LME #35 – Gulf of Thailand. LME #36 – South China Sea. LME #40 – Northeast Australian Shelf. LME #41 – East Central Australian Shelf. LME #42 – Southeast Australian Shelf. LME #47 – East China Sea. LME #48 – Yellow Sea. LME #49 – Kuroshio Current. LME #50 – Sea of Japan. LME #51 – Oyashio Current. LME #52 – Sea of Okhotsk. LME #53 – West Bering Sea. LME #60 – Faroe Plateau. LME #61 – Antarctic. LME #62 – Black Sea. LME #63 – Hudson Bay. CONCLUSIONS. REFERENCES. APPENDICES. Appendix A - Jellyfish Chronicles. Appendix B - Belief Indexes.

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