The State of Circumpolar Walrus Populations

Recommendations

Info

95 Figure 5. Map of Pacific walrus populations in Russia and the USA. Populations: BCS = Bering and Chukchi Seas; LVS = Laptev Sea.
TABLES Table 1. Assessment of Atlantic walruses by population, see text for sources. Reported estimate is generally the most recent available, with some exceptions where older (but still within 5 years) estimates were more precise. Population 1 Stock or area 2 Stock size Year of estimate Quality of abundance estimate 3 (method) Hunted Est. landed catch 4 Quality of catch estimate 3 Population trend CHA- NWG PS-LS 727 (CV 0.07, 95% CI 623- 831) WJS 503 (CV 0.07, 95% CI 473- 534) BB 1,759 (CV 0.29) 2009 G (adjusted haulout counts) 2008 G (adjusted haulout counts) 2010 G (fully corrected aerial line-transect survey) Yes Canada: 2001- 2010 mean 8 (±3) (all 3 stocks); Yes Greenland: 2012 quota of 64, historic harvests higher Yes (BB) 5 Canada: F; Greenland: G Stable since late 1970s Stable since late 1970s Unknown CCA-WG FB 10,379 (CV 0.42) 2011 G (adjusted haulout counts) Yes 2001-2010 mean 167 (±62) F Unknown SEB 2,100-2,500 2007 F (adjusted haulout counts) Yes Canada: 2001- 2010 mean 42 (±10); Greenland: current quota Canada: F; Greenland: G Unknown
Page 1 and 2:
REPORT © Mikhail Cherkasov / WWF-R
Page 3 and 4:
2 ABSTRACT The walrus (Odobenus ros
Page 5 and 6:
4 PURPOSE AND SCOPE The WWF Arctic
Page 7 and 8:
6 beginning ca. 50,000 yBP that lim
Page 9 and 10:
8 Walruses from the Foxe Basin stoc
Page 11 and 12:
10 al. 2003). These differences coi
Page 13 and 14:
12 under favourable environmental c
Page 15 and 16:
14 appeared to be male. Crude measu
Page 17 and 18:
16 comparable data for proper asses
Page 19 and 20:
18 (Fay 1982). The walruses that ar
Page 21 and 22:
20 A joint U.S.-Russia survey, with
Page 23 and 24:
22 for the conservation of walruses
Page 25 and 26:
24 provisions for walrus protection
Page 27 and 28:
26 northwestern and northeastern Gr
Page 29 and 30:
28 Franz Josef Land was discovered
Page 31 and 32:
30 USFWS 2014). The population is c
Page 33 and 34:
32 they return from hunting trips (
Page 35 and 36:
34 The USFWS has also developed gui
Page 37 and 38:
36 how many walruses are represente
Page 39 and 40:
38 (www.iucn.org/about/). The IUCN
Page 41 and 42:
40 Atlantic Walruses In Canada, the
Page 43 and 44:
42 Pacific walruses The primary sou
Page 45 and 46: 44 Foxe Basin (BIMC 2012). It has b
Page 47 and 48: 46 define shipping channels, season
Page 49 and 50: 48 Alaska may be a successful manag
Page 51 and 52: 50 of the population (Born et al. 1
Page 53 and 54: 52 In the Bering and Chukchi seas,
Page 55 and 56: 54 Garlich-Miller et al. (2011) ass
Page 57 and 58: 56 Hamilton et al. (2014) assessed
Page 59 and 60: 58 Canadian High Arctic - Northwest
Page 61 and 62: 60 2014a, b; Lindqvist et al. 2016)
Page 63 and 64: 62 reproduction and survival rates,
Page 65 and 66: 64 Jurisdictions with walrus popula
Page 67 and 68: 66 REFERENCES Allen, J.A. 1880. His
Page 69 and 70: 68 Boertmann, D., A. Mosbech, D. Sc
Page 71 and 72: 70 Chernook, V.I., C. Lydersen, D,M
Page 73 and 74: 72 Durner, G.M., D.C. Douglas, R.M.
Page 75 and 76: 74 Galicia, M.P., G.W. Thiemann, M.
Page 77 and 78: 76 Environmental Ltd., Edmonton AB
Page 79 and 80: 78 Collection of scientific papers
Page 81 and 82: 80 University of Guelph, Ontario, C
Page 83 and 84: 82 Noren S.R., M.S. Udevitz, and C.
Page 85 and 86: 84 Phillipa, J.D.W., F.A. Leighton,
Page 87 and 88: 86 Shitova M., M. Babushkin, A. Bol
Page 89 and 90: 88 Swenson, J.E., A. Bjørge, K. Ko
Page 91 and 92: 90 Witting, L. and E. Born. 2014. P
Page 93 and 94: 92 Figure 2. Atlantic walruses in F
Page 95: Figure 4. Map of Atlantic walrus po
Page 99 and 100: 98 Population 1 Stock or area 2 Sto
Page 101 and 102: 100 Table 2. Assessment of Pacific
Page 103 and 104: 102 Table 3. Conservation status of
Page 105 and 106: 104 Table 4. Summary of primary wal
Page 107 and 108: 106 Country Subspecies Hunt managem
Page 113 and 114: 112 Subspecies Population 1 Knowled
Page 115: 114 Subspecies Population 1 Knowled
show all

The State of Circumpolar Walrus Populations

Create successful ePaper yourself

Delete template?

Save as template?