West Coast Groundfish Observer Program Manual, Part2 - NOAA

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CHAPTER 5 individuals of each non-targeted species and 50 individuals of the targeted species. ** **Fixed gear vessels that day fish may not catch more than 50 of the targeted species. On a vessel that catches only limited numbers of targeted species, devise a random systematic frame and collect retained individuals for weights throughout the set(s). At least 15 individuals should always be used for average weights. Random Sampling when Collecting Individuals for Average Weights There are two methods to use on a fixed gear vessel to randomly collect individuals for average weight determinations. These two methods, spatial and systematic sampling, are detailed below. In the explanations below all the gear subunits (skates, pots or poles) are generically referred to as “skates”. Spatial Sampling Spatial sampling is a good method to use for species caught in small quantities. 1. Select skates to use for collecting individuals using one of the following two methods: • Select all non-tally sampled skates. • Randomly select one or more skates from the entire set. 2. Collect all individuals. 3. Weigh the collected individuals for average weight determinations. 5-42 1/30/2004
CHAPTER 5 Example of Spatial Sampling 1. The Blue Dragon sets 20 pots. 2. The <strong>Observer</strong> on the Blue Dragon randomly selects 13 of the 20 pots to tally sample by pulling numbers out of a hat. 3. The <strong>Observer</strong> uses the remaining 7 pots to collect and weigh individuals for average weight determinations. Systematic Sampling Systematic sampling is a good method to use for species caught in large quantities and live fish fisheries. 1. Select skates to use for collecting individuals using one of the following two methods: • Select all non-tally sampled skates. • Randomly select one or more skates from the entire set. 2. Systematically collect a portion of the total number of individuals. • Estimate the total number of individuals that will be caught in the sampling frame. • Divide the estimated total individuals by the number of fish needed (at least 15) to determine the collection frequency (n). • Collect every n th individual. 3. Weigh the collected individuals for average weight determinations. 1/30/2004 5-43
Page 1 and 2: CHAPTER 5 Chapter 5 Fixed Gear Samp
Page 3 and 4: CHAPTER 5 anchor and groundline abo
Page 5 and 6: CHAPTER 5 Stick (Pipe) Gear Stick (
Page 7 and 8: CHAPTER 5 Vertical Hook and Line (A
Page 9 and 10: CHAPTER 5 Albacore Troll Fishery Ve
Page 11 and 12: CHAPTER 5 Figure 5 - 9: Groundfish
Page 13 and 14: CHAPTER 5 Sablefish Pots Sablefish
Page 15 and 16: CHAPTER 5 Safety Concerns on Fixed
Page 17 and 18: CHAPTER 5 II. Collecting and Docume
Page 19 and 20: CHAPTER 5 • Skipper Last Name Rec
Page 21 and 22: CHAPTER 5 • Gear Type - Enter a c
Page 23 and 24: CHAPTER 5 Trip Form-Hauls Instructi
Page 25 and 26: CHAPTER 5 TRIP FORM - HAULS Weight
Page 27 and 28: CHAPTER 5 • Gear consists of mult
Page 29 and 30: CHAPTER 5 • Sticks - Usually a re
Page 31 and 32: CHAPTER 5 1. Determine the total nu
Page 33 and 34: CHAPTER 5 • Poles - Vessels fishi
Page 35 and 36: CHAPTER 5 skipper gave you for EACH
Page 37 and 38: CHAPTER 5 around the waist. Observe
Page 39 and 40: CHAPTER 5 2. Decide how many skates
Page 41: CHAPTER 5 5. When sampling period 2
Page 45 and 46: CHAPTER 5 Tip* When doing an averag
Page 47 and 48: CHAPTER 5 Weight Method 9 - Pacific
Page 49 and 50: CHAPTER 5 • Pre-measure the lengt
Page 51 and 52: CHAPTER 5 Fixed Gear Catch Form Ins
Page 53 and 54: CHAPTER 5 TIP* Species which are un
Page 55 and 56: CHAPTER 5 Haul # FIXED GEAR CATCH F
Page 57 and 58: CHAPTER 5 • If only a portion of
Page 59 and 60: CHAPTER 5 • Reason for Discard -
Page 61 and 62: CHAPTER 5 Haul # SPECIES COMPOSITIO
Page 63 and 64: CHAPTER 5 • Weight Method - Docum
Page 65 and 66: CHAPTER 5 Trip Discard Form Page __
Page 67 and 68: CHAPTER 5 Haul # 0 1 FIXED GEAR CAT
Page 69 and 70: Species Composition Measurements an
Page 71 and 72: Haul # FIXED GEAR CATCH FORM* Page
Page 73 and 74: CHAPTER 5 Species Composition Measu
Page 75 and 76: CHAPTER 5 Haul # FIXED GEAR CATCH F
Page 77 and 78: CHAPTER 5 Rod and Reel Example Offi
Page 79 and 80: CHAPTER 5 Haul # SPECIES COMPOSITIO
Page 81 and 82: CHAPTER 6 Chapter 6 Biological Samp
Page 83 and 84: CHAPTER 6 II. Data Collection Prior
Page 85 and 86: CHAPTER 6 4. Scales • From the fi
Page 87 and 88: CHAPTER 6 III. Biological Specimen
Page 89 and 90: CHAPTER 6 Subsamples may be taken u
Page 91 and 92: CHAPTER 6 • Size the sample appro
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CHAPTER 6 IV. Data Collection Proce
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CHAPTER 6 Measure fish using the fo
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CHAPTER 6 Figure 6- 4: Location of
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CHAPTER 6 Sexing Sablefish The gona
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CHAPTER 6 Sexing Flatfish Flatfish
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CHAPTER 6 Sexing Salmon Salmon gona
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CHAPTER 6 4. Remove the otoliths fr
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CHAPTER 6 9. Record the weight, sex
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CHAPTER 6 3. Hook and Line Gear -
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CHAPTER 6 Collecting Salmon Scales
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CHAPTER 6 Tagged Fish Data Collecti
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CHAPTER 6 5. Collect otoliths from
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CHAPTER 6 Collecting Fish Specimens
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CHAPTER 6 Length Frequency Form Ins
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CHAPTER 6 Haul # LENGTH FREQUENCY F
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CHAPTER 6 • Species Code - Record
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CHAPTER 6 . Haul # BIOSPECIMEN FORM
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CHAPTER 6 • Time and Date of Capt
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CHAPTER 6 Specimen Collection Label
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CHAPTER 7 Chapter 7 Marine Mammals,
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CHAPTER 7 they should not be permit
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CHAPTER 7 Marine Mammal Data Collec
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CHAPTER 7 Figure 7-1: Pinniped Meas
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CHAPTER 7 Collecting Canine Teeth f
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CHAPTER 7 contamination. DNA contam
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CHAPTER 7 3. If the animal is a sea
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CHAPTER 7 Marine Mammal Behaviors A
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CHAPTER 7 Pinnipeds • Jug handle
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CHAPTER 7 • Catch Category - Reco
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CHAPTER 7 Haul # Page ____ of ____
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CHAPTER 7 SPECIMEN COLLECTION LABEL
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CHAPTER 7 • Closest approach - No
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CHAPTER 7 Figure 7-6: Marine Mammal
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CHAPTER 7 II. Seabirds Introduction
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CHAPTER 7 Endangered, Threatened an
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CHAPTER 7 identify birds to the hig
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CHAPTER 7 Collect seabird take, int
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CHAPTER 7 value is listed on the ba
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CHAPTER 7 SEABIRD SIGHTING FORM Tri
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CHAPTER 7 • Check to see if there
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CHAPTER 7 Eastern Pacific Marine Tu
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CHAPTER 7 Identification • Left C
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CHAPTER 7 Tags • Tags Present Whe
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CHAPTER 7 Figure 7-10: Sea Turtle L
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CHAPTER 8 CHAPTER 8 Chapter 8 Healt
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CHAPTER 8 CHAPTER 8 not passed a US
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CHAPTER 8 CHAPTER 8 3. Locate life
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CHAPTER 8 CHAPTER 8 20. Water/weath
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CHAPTER 8 CHAPTER 8 • Lift correc
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CHAPTER 8 CHAPTER 8 Seasickness One
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CHAPTER 8 CHAPTER 8 side, be aware
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CHAPTER 8 CHAPTER 8 you have a righ
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CHAPTER 8 CHAPTER 8 Illness and Acc
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CHAPTER 8 CHAPTER 8 Sending a May D
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CHAPTER 8 CHAPTER 8 Donning the Imm
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CHAPTER 8 CHAPTER 8 The Seven Steps
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CHAPTER 8 CHAPTER 8 Summary 7. Play
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CHAPTER 8 CHAPTER 8 Navigational Re
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CHAPTER 8 CHAPTER 8 Emergency Requi
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CHAPTER 8 CHAPTER 8 Means of Escape
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CHAPTER 8 CHAPTER 8 comply with the
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CHAPTER 8 CHAPTER 8 Injury Placard
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CHAPTER 8 CHAPTER 8 Miscellaneous R
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APPENDIX A Appendix A: Fish Species
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APPENDIX A Code Common Name Scienti
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APPENDIX B Appendix B: Invertebrate
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APPENDIX C Appendix C: Marine Mamma
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APPENDIX D Appendix D: Seabirds Spe
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APPENDIX E Appendix E: Catch Catego
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APPENDIX F aurora, S. aurora bank,
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APPENDIX H Appendix H: Random Numbe
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L Cylinder V=πR² x L R VOLUMETRIC
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APPENDIX J Centimeter Pounds Centim
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APPENDIX L Appendix L: Injury Key f
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APPENDIX M Appendix M: Injury Key f
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APPENDIX N Appendix N: List of Obse
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APPENDIX O The U.S. groundfish fish
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APPENDIX O may need to be considere
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APPENDIX O that are subject to the
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APPENDIX O (8) Fail to meet the ves
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APPENDIX P Appendix P: 50 CFR Part
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APPENDIX P vessel that would delay
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APPENDIX P safety rather than to su
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APPENDIX P sea as a result of this
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APPENDIX P § 600.746 Observers. (a
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APPENDIX R Appendix R: Radio Commun
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APPENDIX R Since most radio communi
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APPENDIX S Appendix S: Material Saf
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APPENDIX S FLAMMABILITY CLASS (OSHA
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APPENDIX S MUTAGENIC DATA: Availabl
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APPENDIX T Appendix T: Chattilon Fl
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APPENDIX U ANAL SPINE PRESENT YES N
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APPENDIX V ANAL FIN SLANT, AS COMPA
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APPENDIX W Describe the color and m
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APPENDIX Y Appendix Y: Useful Websi
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APPENDIX Y Observer Associations, I
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GLOSSARY A - B ABC - “Acceptable
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Flatfish - fish which are laterally
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which must be discarded in the grou
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if it is not at anchor or at dock,
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West Coast Groundfish Observer Program Manual, Part2 - NOAA

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