A. Status of the Spectacled Eider - U.S. Fish and Wildlife Service

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— TASK U — 135.2 PRIOR- TASK DESCRIPTION ITY U —____ 2 kavestlgase lend sha distujintlon saddeasity on Urn YKD. 136 2 Deslgoaaallssaplenrnsts monitoringprogasan toassess costansinsut levele haeach populationover tamo. ElI 2 Assesefoodbebltsfraan incidestally oltaisrnd data. FI.3 2 Deaerjoiarnbeavestlevelaonths NSsad kathe lacing Strait region (otlur thanSi. Lawrenco Islaud). 02 2 Assess fox predation levele on Spoctacled Elder productivity. 02 2 Evahtte Speetacledelder population-wlde orasrol of foxes as a ornaca to inaprove repreductive st.mssof Spoctaclod Elders. G3 2 Detesaasisrngullfosaging pettent sad populationtreads ontlrn YKD. 04 2 Evahtte Spectacled Elder population.wlde costrol of gulls as a nusas to inaprove reprodaajive success of Spoctacled Elders. 112 2 Assessevklenceforeoologicsl sad gesrntlcdiatinonrnas ofthe YKD, NS, sad AR p0—sa II 2 Screonelderefordlseaaassad psasuisas. TASK DURA. ~ ma ~s RESPONS- IDLE PA’S NM TOTAL COST - YEA2U . YEAR2 - YEAR3 . COST ESTIMATES ($2,000) YEAR4 5+ FWS 225.00 45 45 45 45 45 5+ FWS NM 5+ •FW5 NAO ADFG TRD FWS NM TBD FWS NM I FWS NM TBD FWS NM 2 FWS NM ongoing FWS NM 22.2 2 Collect stisalsadblood posrnla. ongoing ~I’WS NM 22.2 2 Deseamiare body coudltion kdiess forSpoctacled Elders. 2 FWS NM 25.00 5 5 5 5 S 250.00 50 50 50 - 50 50 . . . COMMENTSI study dlsomtle.td . susapllng of lend in sadutawies was Isselbus - . . TED bated on saaonrnsy seposo on predation. . . . . - TDDbased on sttonrnsy ofreport on predatIon. 20 20 0 0 0 0 TRD . . . - Cost TIDasa mask oftask C.S.4 20.00 20 20 0 0 0 25.00 5 5 5 5 5 5.00 2 I I I I 0.00 20.00 20 10 0 0 0 96
TASK PRIOR- 22.3 ITY U TASK DESCRIPTION TASK Evsltrnsstbeplyalologiosl cadition ofSpoctacled Elders lii Uvarn~,aUrn~vu SUBTOTAL DURA- TBD RESPONS- - IDLE TOTAL ~ COST ESTIMATES ($2,000) 1 YEAR 2 YEAR 3 YEAR 4 YEAR S [COMMENTSI YEARI TDD . Methods ofstadytobadsssa~d. 2354.00 826.00 97 776.00 476.00 I—T-—I
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SPECTACLED EIDER RECOVERY PLAN Team
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LITERATURE CITATION U.S. Fish and W
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EXECUTIVE SUMMARY OF THE RECOVERY P
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TABLE OF CONTENTS DISCLAIMER PAGE 1
Page 10 and 11:
LIST OF FIGURES Figure 1. Breeding
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A. Status of the Spectacled Eider R
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) a) j~ 25000 0 2 220000 C ~15000 ~
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B. Causes for Decline and Obstacles
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Increasing interest in avicultural
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Other conservation measures include
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D. Natural History of the Spectacle
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Figure 4. Yukon-Kuskokwim Delta loc
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DEL?A RUSSIA SPECTACLED EIDER RANGE
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helicopter surveys in the Prudhoe B
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geographic populations, because imm
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Figure 8. Study sites and land stat
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their diseases (e.g., Schiller 1954
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E. Distinct Population Segments The
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A final consideration involves info
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Trend data are analyzed to inform w
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Figure 10. A hypothetical posterior
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thresholds are not “magic numbers
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Criteria for Reclassifying from Thr
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Criteria for Delisting from Threate
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The final aspect ofSpectacled Eider
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concordance in their descriptions o
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data on both levels and effects oft
Page 56 and 57: implicated. In the absence of histo
Page 58 and 59: . - currently small size of the YKD
Page 60 and 61: implementation of the Memoranda ofA
Page 62 and 63: . take of Spectacled Eiders. In add
Page 64 and 65: . AlS. Produce a handbook summarizi
Page 66 and 67: . Bl.4. 1.3. Develop visibility cor
Page 68 and 69: B2. 1.1. Implement YKD satellite tr
Page 70 and 71: . Appendix Ill). Since epidermal ag
Page 72 and 73: . feasible if post-fledging staging
Page 74 and 75: presumed that their activities have
Page 76 and 77: contaminants within Spectacled Eide
Page 78 and 79: limited ability to withstand additi
Page 80 and 81: surface after a year and is no long
Page 82 and 83: . The reproductive stages (eggs, yo
Page 84 and 85: is inadequate to sustain “normal
Page 86 and 87: ___________ 1967. The geese of the
Page 88 and 89: Dementev, G.P., and N.A. Gladkov (e
Page 90 and 91: ___________ 1 964a. Observations on
Page 92 and 93: Nelson, E.W: 1887. Report upon natu
Page 94 and 95: ________ P.R. Wade, R.A. Stehn, and
Page 96 and 97: Robert M. Platte, Migratory Bird Ma
Page 98 and 99: KEY Task Duration and Costs TBD - T
Page 100 and 101: TASK 324.2 I 12.4.1 .2 PRIOR- — 2
Page 102 and 103: TASK I — [37 E12 EI.3 fTYU —PRI
Page 104 and 105: TASK PRIOR- Dj ITYU — — A12.3 2
Page 108 and 109: TASK U PRIOR- ITY U TASK DESCRIPTIO
Page 110 and 111: TASK PRIOR. U — DS.3 3 TASK DESCR
Page 112 and 113: The final risk factor is the effect
Page 114 and 115: This PVA will treat two population
Page 116 and 117: Both aerial surveys are conducted a
Page 118 and 119: 0.2 0.15 -j i 4 0.1 0 -I 0.05 0.08
Page 120 and 121: emaining before the population reac
Page 122 and 123: ) critical population size; and (2)
Page 124 and 125: 40%. The population growth rate cri
Page 126 and 127: Table 1-2. Results of simulation wh
Page 128 and 129: Hilborn, R. and C.J. Walters. 1992.
Page 130 and 131: APPENDIX II TECHNICAL DETAILS OF TH
Page 132 and 133: The likelihood function for the par
Page 134 and 135: initial sample. Then the O~ were re
Page 136 and 137: LU ~0.8 z -J ~0.6 I-ET1 w107 480 m1
Page 138 and 139: LITERATURE CITED APPENDIX LI De la
Page 140 and 141: where x = age. The fertility rate i
Page 142 and 143: of older females: (1) older females
Page 144 and 145: RESULTS Solutions for single cause
Page 146 and 147: 0.1 0.08 ~0.06 4 0 0.04 0. 0.02 0 0
Page 148 and 149: growth rate. Perhaps this can be mo
Page 150 and 151: decline, by far the fastest way to
Page 152 and 153: LITERATURE CITED APPENDIX In Bailli
Page 154 and 155: APPENDIX IV SPECTACLED EIDER RECOVE
Page 156 and 157:
APPENDIX V COMMENTS RECEIVED ON DRA
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A. Status of the Spectacled Eider - U.S. Fish and Wildlife Service

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