The Davis Strait - DCE - Nationalt Center for Miljø og Energi

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Figure 3.3.2. Probability of sea ice in West Greenland waters based on data from the period 1960-96. (A) March 1 st (B) June 4 th (C) September 3 rd and (D) December 3 rd . Based on data from the Danish Meteorological Institute (DMI) and Canadian Ice Service – Environment Canada (CIS). 58
Figure 3.3.3. Average sea ice extent as percentage ice cover in West Greenland waters based on data in the period 1979-2007 (medio March). Blue colours indicate highest percentage ice cover while red indicates lowest percentage cover. White has no data value. ’High’ ice cover is encountered west of Disko Island while low ice cover is found south of Sisimiut in March (Data sources: Ocean and Sea ice (EUMETSAT). 75°N 70°N 70°W 80°W Average sea ice extent (medio march 1979-2007) 65°N Percent ice cover 0 - 3 4 - 13 14 - 29 30 - 45 46 - 61 62 - 77 78 - 88 89 - 94 95 - 100 Assessment area 0 150 300 Km 60°N 70°W The process of calving from the front of a glacier produces an infinite variety of icebergs, bergy bits and growlers. Icebergs are described by their size according to the following classification: Type Height (m, above sea level) Length (m) growler less than 1 up to 5 bergy bit 1 to 5 5 to 15 small iceberg 5 to 15 15 to 60 medium iceberg 16 to 45 61 to 120 large iceberg 46 to 75 121 to 200 very large iceberg Over 75 Over 200 The production of icebergs on a volumetric basis varies only slightly from year to year. Once calving has been accomplished, meteorological and oceanographic factors begin to affect the icebergs. Icebergs are carried by sea currents directed by the integrated average of the water motion over the 60°W 60°W 50°W 50°W 40°W 75°N 70°N 65°N 59
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THE DAVIS STRAIT A preliminary stra
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AU THE DAVIS STRAIT A preliminary s
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Contents Preface 5 Summary and conc
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Preface The Bureau of Minerals and
Page 9 and 10: anks are normally ice free or have
Page 11 and 12: ed in large numbers in the assessme
Page 13 and 14: cetaceans (whales and harbour porpo
Page 15 and 16: placement and transport corridors.
Page 17 and 18: shrimp and Greenland halibut, for i
Page 19 and 20: Mitigation The risk of accidents an
Page 21 and 22: Miljøet Det pelagiske miljø De fy
Page 23 and 24: Fangst og udnyttelse Menneskelig ud
Page 25 and 26: Indenfor fiskeriet, er risikoen for
Page 27 and 28: Kumulative effekter Der vil være e
Page 29 and 30: dybde, kan muligvis ændre på konk
Page 31 and 32: ingsæl, spættet sæl, finhval, pu
Page 33 and 34: tassannga misilittagarineqalersut s
Page 35 and 36: Timmisat imarmiut amerlasoorsuit, q
Page 37 and 38: lu klimami pissutsinut atuutunut tu
Page 39 and 40: toqunartoqarneri arrortikkuminarner
Page 41 and 42: toqusarnermik taarserneqarluni, uum
Page 43 and 44: minguttitamiit ajoquserneqarsinnaan
Page 45 and 46: Kalaallit Nunaanni immikkut ulorian
Page 47 and 48: Figure 1.1.1. The assessment area,
Page 49 and 50: VEC = Valued Ecosystem Components V
Page 51 and 52: tings/well and in total 6,000 tons
Page 53 and 54: 2.9 Other activities Ship transport
Page 55 and 56: Figure 3.2.1. Major sea surface cur
Page 57 and 58: 3.2.3 The coasts The coastal zone b
Page 59: Jan Feb May Apr May Jul Aug Sep Oct
Page 63 and 64: Figure 3.3.4. Major iceberg sources
Page 65 and 66: 4 Biological environment 4.1 Primar
Page 67 and 68: Figure 4.1.1. Monthly progressions
Page 69 and 70: Figure 4.2.1. Calanus spp. biomass
Page 71 and 72: 69 Fish larvae are important compon
Page 73 and 74: Figure 4.2.4. Red dots indicate san
Page 75 and 76: focus should improve our understand
Page 77 and 78: The coastal zone of the assessment
Page 79 and 80: 183 macroalgal species (excl. the b
Page 81 and 82: Table 4.3.1. Distribution of macroa
Page 83 and 84: Chaetomorpha capillaris Chaetomorph
Page 85 and 86: egistered in the area. A similar pa
Page 87 and 88: The sea ice algal production in the
Page 89 and 90: 1990) and then north (mid-2000s) in
Page 91 and 92: September when they have reached a
Page 93 and 94: Salmon, Salmo salar Biology and dis
Page 95 and 96: tween 1 and 2.4 billion individuals
Page 97 and 98: It should be noted that the breedin
Page 99 and 100: 66°N 64°N 62°N 60°W 60°W Arcti
Page 101 and 102: Knowledge on habitat use of the win
Page 103 and 104: Great shearwater, Puffinus gravis T
Page 105 and 106: Common eider, Somateria mollissima
Page 107 and 108: Figures 4.7.7. At-sea distribution
Page 109 and 110: Figure 4.7.9. Distribution and inte
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Figure 4.7.11. At-sea distribution
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The Iceland gull has a favourable c
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Figure 4.7.12. Distribution and int
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Murres spend very long time on the
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The puffins are migratory, but thei
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Figure 4.7.16. Density of whitetail
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sonal communication 1984) varied wi
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Numbers: The status of the walrus s
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tively impacted by disturbance from
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surround the eyes and line the oral
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Sensitivity: Non-whelping hooded se
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winter in reoccurring leads and pol
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Critical and important habitats: Th
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Figure 4.8.6. The main frequency ra
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tude breeding grounds and high lati
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Figure 4.8.7. Migration routes for
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long-finned squid (Loligo pealei) (
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Until recently the abundance of har
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Figure 4.8.9. Main summer and winte
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4.9.1 Pelagic hotspots The shelf ba
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5 Natural resource use 5.1 Commerci
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66°N 64°N 62°N 60°W Snow crab c
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Figure 5.1.4. Distribution and size
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Salmon, Salmo salar The fishery for
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Figure 5.2.2. Annual number of king
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2003/04-2007/08 the catch averaged
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66°N 64°N 62°N 66°N 64°N 62°N
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Figure 5.2.6. The West Greenland ca
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Figure 5.3.1. The number of cruise
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6.2 National nature protection legi
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formation see the IBA website (http
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glaucous gulls, great black-backed
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7.2 Conclusions on contaminant leve
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structures containing up to 10 ring
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The current warming trends are ofte
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species interactions. In the review
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8.5 Marine mammals and seabirds The
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9 Impact assessment David Boertmann
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10 Impacts of the potential routine
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Impact of seismic noise on zoo- and
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type or timing of vocalisations. In
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detailed studies on the effect of s
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Table 10.1.1. Overview of potential
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een eliminated on the grounds of en
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10.3 Development and production act
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hydrocarbon activities in Greenland
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parts of the shelf. Activities in t
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Seabird hunting is widespread and i
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There is a risk of reduced availabi
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General knowledge on the potential
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week period after the Exxon Valdez
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In general, species with distinct s
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A study of the density and distribu
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majority of the biomass. From a bio
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waters longer. The coastal fishery
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Seal pups are very sensitive to dir
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indicates that similar long-term im
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other parameters. It should be note
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Autumn (September-November) During
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to oil spills and produced water. I
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12.2.1 Ecotoxicological Monitoring
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Andersen JB, Böcher J, Guttmann B,
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Anon (2011b). Selvstyrets bekendtg
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Blackwell SB, Lawson JW, Williams M
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Born EW (2003). Reproduction in mal
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Buch E, Nielsen MH, Pedersen SA (20
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Clark RC, Finley JS (1977). Effects
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Dietz R, Heide-Jørgensen MP (1995)
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Falk K, Møller S (1997). Breeding
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Gjertz I, Kovacs KM, Lydersen C, Wi
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Hansen JLS, Hjorth M, Rasmussen MB,
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Heide-Jørgensen MP, Laidre KL (201
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Horsted SA (2000). A review of the
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Jonas RF (1974). Prospect for the e
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Ketten DR, Lien J, Todd S (1993). B
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Lick R, Piatkowski U (1998). Stomac
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Melle W, Serigstad B, Ellertsen B (
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Mosbech A, Danø R, Merkel FR, Sonn
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Nielsen OK, Lyck E, Mikkelsen MH, H
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Parry GD, Gason A (2006). The effec
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Popper AN, Fewtrell J, Smith ME, Mc
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Rivkin RB, Tian R, Anderson MR, Pay
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Schaaning MT, Trannum HC, Øxnevad
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Simpson AC, Howell BR, Warren PJ (1
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Taylor MK, Akeeagok S, Andriashek D
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Wegeberg S, Bangsholt J, Dolmer P,
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The Davis Strait - DCE - Nationalt Center for Miljø og Energi

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