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

More documents

Recommendations

Info

40%. The population growth rate criteria (
7 are summarized in Table 1-2. A 5% chance of extinction in 500 years corresponds to a population size of 8,500~ Thus, the delisting population size of 10,000 pairs corresponds to
Page 2 and 3:
SPECTACLED EIDER RECOVERY PLAN Team
Page 4 and 5:
LITERATURE CITATION U.S. Fish and W
Page 6 and 7:
EXECUTIVE SUMMARY OF THE RECOVERY P
Page 8 and 9:
TABLE OF CONTENTS DISCLAIMER PAGE 1
Page 10 and 11:
LIST OF FIGURES Figure 1. Breeding
Page 12 and 13:
A. Status of the Spectacled Eider R
Page 14 and 15:
) a) j~ 25000 0 2 220000 C ~15000 ~
Page 16 and 17:
B. Causes for Decline and Obstacles
Page 18 and 19:
Increasing interest in avicultural
Page 20 and 21:
Other conservation measures include
Page 22 and 23:
D. Natural History of the Spectacle
Page 24 and 25:
Figure 4. Yukon-Kuskokwim Delta loc
Page 26 and 27:
DEL?A RUSSIA SPECTACLED EIDER RANGE
Page 28 and 29:
helicopter surveys in the Prudhoe B
Page 30 and 31:
geographic populations, because imm
Page 32 and 33:
Figure 8. Study sites and land stat
Page 34 and 35:
their diseases (e.g., Schiller 1954
Page 36 and 37:
E. Distinct Population Segments The
Page 38 and 39:
A final consideration involves info
Page 40 and 41:
Trend data are analyzed to inform w
Page 42 and 43:
Figure 10. A hypothetical posterior
Page 44 and 45:
thresholds are not “magic numbers
Page 46 and 47:
Criteria for Reclassifying from Thr
Page 48 and 49:
Criteria for Delisting from Threate
Page 50 and 51:
The final aspect ofSpectacled Eider
Page 52 and 53:
concordance in their descriptions o
Page 54 and 55:
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 106 and 107: — TASK U — 135.2 PRIOR- TASK DE
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 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
show all

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

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?