Coastal Cutthroat Trout as Sentinels of Lower Mainland Watershed ...

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2Coastal Cutthroat Trout as Sentinelsof Lower Mainland Watershed HealthStrategies for Coastal Cutthroat TroutConservation, Restoration and RecoveryByPat SlaneyPSlaney Aquatic Science Ltd.214 Nelson StreetCoquitlam, B.C.V3K 4M4viaBC Conservation Foundation206-17564 Ave.,Surrey, B.C. V3S 1G3andJim RobertsMinistry of EnvironmentLower Mainland Region 2Surrey, B.C.August, 2005
3Sea-run cutthroat caught and released from an ocean beach in Lower Mainland Region (J. Roberts photo)AcknowledgementsThis project was supported by the Habitat Conservation Trust Fund and was administeredby the BC Conservation Foundation (BCCF), via Melinda Coleman. Jim Roberts andRob Knight of the Ministry of Environment (MOE) provided overall supervision of thecontract. Daiva Zaldokas of Ecologic Resources provided a helpful literature search atthe inception of the project. Susan Jesson, of BCCF assisted with information retrievalsfrom the coastal cutthroat data base regarding cutthroat waters and stocking histories inthe Lower Mainland Region, and Allen Hanson of BCCF provided cutthroat data fromthe Salmon River counting fence and from underwater steelhead counts, which wereappreciated. Additional references were contributed by Greg Wilson, steelhead biologistfor the Ministry. Several individuals provided input and were helpful and enthusiasticincluding Allan Costello, Ron Ptolemy, Marvin Rosenau and Jordon Rosenfeld. PeterCaverhill and Bruce Usher provided valuable information on cutthroat fisheries of theLower Mainland, based on their past tenure in fisheries management with the Ministry.Fish culturists and cutthroat anglers Ken Scheer and Nick Basok provided information onbrood stock collections and current stocking, as well as informative views on stock statusand the Fraser River fishery. Don McCubbing provided data on the incidence ofsteelhead-cutthroat hybridization at Keogh River. Instructive review comments on thedraft report were provided by Scott Barrett, Peter Caverhill, Allan Costello, Ron Ptolemy,Jordan Rosenfeld and Rick Taylor.
Page 1: Coastal Cutthroat Trout as Sentinel
Page 5 and 6: 5EXECUTIVE SUMMARYA provincial stra
Page 7: 74. Cutthroat Nursery Habitat Resto
Page 10 and 11: 10Cutthroat trout are prized by man
Page 12 and 13: 12Vancouver Island. Large streams w
Page 14 and 15: 14excessively warm and too low in d
Page 16 and 17: 16prefer pools in allopatric condit
Page 18 and 19: 18that are warmer and more producti
Page 20 and 21: 20Comparative benefits to densities
Page 22 and 23: 222, 23 % saltwater age 3 and 15 %
Page 24 and 25: 24are sexually immature (Leider 199
Page 26 and 27: 26management concerns are related t
Page 28 and 29: 28practices. Life-history profiling
Page 30 and 31: 30available in south coastal Britis
Page 32 and 33: 32Cutthroat smolt survivals are abo
Page 34 and 35: 34unproductive or oligotrophic stre
Page 36 and 37: 36were only small variable numbers
Page 38 and 39: 38Populations of juvenile cutthroat
Page 40 and 41: 40Unlike flood boxes with sluice ty
Page 42 and 43: 42weight/m 2 /yr (Wipfli and Gregov
Page 44 and 45: 44juvenile fish and non-target spec
Page 46 and 47: 46Figure 12. Trend in sea-run cutth
Page 48 and 49: 48at Hood Canal in Puget Sound (Big
Page 50 and 51: 50years owing to operational constr
Page 52 and 53:
5249 adult cutthroat were counted (
Page 54 and 55:
54Table 4. Areas of anadromous and
Page 56 and 57:
56population estimation and samplin
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58Clayburn Creek, Draper Creek, Win
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60females in 2000; hatchery females
Page 62 and 63:
625.2.4. Cutthroat Stream Stock Man
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64Table 7. Cutthroat lake (stream)
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66because piscivorous Taylor Lake c
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68and- Angler use was largely at th
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70spawners. This suggests that prot
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72• Public education initiative t
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74Management Strategy 3: Recovery o
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76successful (Ptolemy 1997), and fu
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78It is widely assumed that most ad
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80annual frequency of repeat spawne
Page 82 and 83:
82• Refinement of the minimum siz
Page 84 and 85:
848. ReferencesAndrusak, H. and T.G
Page 86 and 87:
86Clark, B.J. 1988. The status of c
Page 88 and 89:
88Glova, G. L.1987. Comparison of a
Page 90 and 91:
90Knight, R. and J. Teskey. 1992. H
Page 92 and 93:
92eastern Fraser Valley. Prepared f
Page 94 and 95:
94Thomson, A.R. and Associates. 200
Page 96 and 97:
969. GlossaryIt should be noted tha
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98large woody debris (LWD): Entire
Page 100 and 101:
100Appendix 1. Known coastal cutthr
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102CHEAMSLOUGHCHEEKYERIVERCHEHALISR
Page 104:
104CRANBY LAKE LAKE ERROCK SAKINAW
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