Final Technical Report: - Southwest Fisheries Science Center - NOAA

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Redfern JV, Barlow J, Ballance LT, Gerrodette T, Becker EA (2008) Absence of scale dependence in dolphin-habitat models for the eastern tropical Pacific Ocean. Mar Ecol Prog Ser 363:1–14 Redfern JV, Ferguson MC, Becker EA, Hyrenbach KD, Good C, Barlow J, Kaschner K, Baumgartner MF, Forney KA, Ballance LT, Fauchald P, Halpin P, Hamazaki T, Pershing AJ, Qian SS, Read A, Reilly SB, Torres L, Werner F (2006) Techniques for Cetacean-Habitat Modeling: A Review. Mar Ecol Prog Ser 310:271-295 Reilly SB (1990) Seasonal changes in distribution and habitat differences among dolphins in the eastern tropical Pacific. Mar Ecol Prog Ser 66:1-11 Reilly SB, Fiedler PC (1994) Interannual variablity of dolphin habitats in the eastern tropical Pacific. I: research vessel surveys 1986-1990. Fish Bull 92:434-450 Smith RC, Dustan P, Au D, Baker KS, Dunlap EA (1986) Distribution of cetaceans and seasurface chlorophyll concentrations in the California Current. Mar Biol 91:385-402 Smith RJ (1993) Logarithmic transformation bias in allometry. American Journal of Physical Anthropology 90:215-228 U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Geophysical Data Center (2006) 2-minute Gridded Global Relief Data (ETOPO2v2) http://www.ngdc.noaa.gov/mgg/fliers/06mgg01.html Vilchis LI, Ballance LT (2005) Developing indices of cetacean prey from manta and bongo net tows conducted in the northeastern and eastern tropical Pacific between 1987 and 2003. Report No. Adminstrative report LJ-05-012, U.S. Department of Commerce, National Marine Fisheries Service, Southwest Fisheries Science Center, La Jolla, CA Wade PR, Gerrodette T (1993) Estimates of cetacean abundance and distribution in the eastern tropical Pacific. Report of the International Whaling Commission 43:477-493 Wang ZA, Bovik C, Sheikh HR, Simoncelli EP (2004) Image quality assessment: from error visibility to structural similarity. IEEE Transactions on Image Processing 13:600-612 Wessel P, Smith WHF (1998) New, improved version of the Generic Mapping Tools, released EOS Trans. AGU, 79, 579. Wiens JA (1989) Spatial scaling in ecology. Funct Ecol 3:385-397 Wood SN (2006) Generalized additive models: an introduction with R, Vol. Chapman & Hall/CRC, Boca Raton, FL 102
Wood SN, Augustin NH (2002) GAMs with integrated model selection using penalized regression splines and applications to environmental modelling. Ecol Model 157:157-177 103
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U N I R A P E D T T E M D S E N TA
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C O L A N IO T A N U N C I EA .S. D
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This report was prepared under cont
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Table of Contents Acronyms and Abbr
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C.1 Journal Publications ..........
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Figure 18. Encounter rate models bu
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List of Tables Table 1. Summary of
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Appendix B, Table B-6. Summary of m
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Acknowledgements This project was f
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of these choices as possible and us
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Although our models include most of
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2.0 Background The Navy and other m
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comparison is based on a separate s
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Figure 1. Transects (green lines) s
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used to evaluate the ability of sum
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3.1.5 Mid-trophic Sampling with Net
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variable. Interpolated maps of the
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Table 2. Variogram model results. A
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“number of individuals” as the
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Encounter Rate and Group Size Model
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were built separately for each of t
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Expanding models to the entire U.S.
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Table 4. Summary of the weighted ef
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Consistent with Barlow and Forney (
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incorporation of geographic coordin
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overwhelming majority of “Bryde
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the genera Ziphius and Mesoplodon.
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Table 7. Geographically stratified
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above, and the data themselves, are
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(hereafter “summer”). SWFSC has
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avoid these problems, we decided to
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Figure 9. Thermocline depth (m) obs
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Attempts to adjust search parameter
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CAMMS 1991 PODS 1993 ORCAWALE 1996
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4.2 Modeling Framework : GLM and GA
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4.2.4 Conclusions Regardings Modeli
Page 74 and 75: Table 10 cont. Comparison of the si
Page 76 and 77: Table 11 cont. Comparison of the si
Page 78 and 79: Figure 15. The transect lines used
Page 80 and 81: A) Striped dolphin 10 km B) Short-b
Page 82 and 83: dependent. For example, the number
Page 84 and 85: Figure 19. Predicted average densit
Page 86 and 87: ecosystem, eastern spinner dolphins
Page 88 and 89: Table 13. Variables selected for mo
Page 90 and 91: Table 14. Starting and final AIC va
Page 92 and 93: Table 17. Ratios of observed to pre
Page 94 and 95: species represented in the acoustic
Page 96 and 97: 0.29 (Risso’s dolphin) to 3.20 (n
Page 98 and 99: Figure 25. Sample 2005 validation p
Page 100 and 101: Table 18. (continued) 1991 1993 Nor
Page 102 and 103: Blue whales had the greatest deviat
Page 104 and 105: Table 20. Abundance (number of anim
Page 106 and 107: Table 22. Proportion of deviance ex
Page 108 and 109: Figure 27. Average density (AveDens
Page 110 and 111: Table 23. Effective degrees of free
Page 112 and 113: We attempted to build encounter rat
Page 114 and 115: 5.0 Conclusion The field of predict
Page 116 and 117: 6.0 Transition Plan The models of c
Page 118 and 119: needed to ensure that the SDSS rema
Page 120 and 121: Administrative Report LJ-07-02. NOA
Page 122 and 123: Forney KA, Barlow J (1993) Prelimin
Page 126 and 127: Appendix A: Detailed Model Results
Page 128 and 129: Table A-1 (continued) Blue whale 19
Page 130 and 131: Figure A-1a. Striped dolphin 108
Page 132 and 133: Figure A-1c. Risso’s dolphin 110
Page 134 and 135: Figure A-1e. Northern right whale d
Page 136 and 137: Figure A-1g. Sperm whale 114
Page 138 and 139: Figure A-1i. Blue whale 116
Page 140 and 141: Figure A-1k. Baird’s beaked whale
Page 142 and 143: Figure A-2. Predicted average densi
Page 144 and 145: Figure A-2b. Short-beaked common do
Page 146 and 147: Figure A-2d. Pacific white-sided do
Page 148 and 149: Figure A-2f. Dall’s porpoise 126
Page 150 and 151: Figure A-2h. Fin whale 128
Page 152 and 153: Figure A-2j. Humpback whale 130
Page 154 and 155: Figure A-2l. Small beaked whales 13
Page 156 and 157: Table B-2. Summary of model validat
Page 172 and 173: Table B-10. Summary of model valida
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Table B-11. Summary of model valida
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Figure B-1. Predicted yearly and av
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Figure B-1. b) Eastern spinner dolp
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Figure B-1. c) Whitebelly spinner d
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Figure B-1. d) Striped dolphin 168
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Figure B-1. e) Rough-toothed dolphi
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Figure B-1. f) Short-beaked common
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Figure B-1. g) Bottlenose dolphin 1
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Figure B-1. h) Risso’s dolphin 17
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Figure B-1. i) Cuvier’s beaked wh
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Figure B-1. j) Blue whale 180
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Figure B-1. k) Bryde’s whale 182
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Figure B-1. l) Short-finned pilot w
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Figure B-1. m) Dwarf sperm whale 18
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Figure B-1. n) Mesoplodon beaked wh
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Figure B-1. o) Small beaked whales
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Figure B-2. Predicted average densi
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Figure B-2. (cont.) c) Whitebelly s
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Figure B-2. (cont.) g) Bottlenose d
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Figure B-2. (cont.) k) Bryde’s wh
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Figure B-2. (cont.) o) Small beaked
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Ferguson MC (2005) Cetacean Populat
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Barlow J, Kahru M, Mitchell BG (In
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Memorandum NMFS-SWFSC-374, U.S. Dep
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