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

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80 Battersia arctica Chaetopteris plumosa Chorda filum Chordaria flagelliformis Delamarea attenuata Desmarestia aculeata Desmarestia viridis Dictyosiphon foeniculaceus Ectocarpus siliculosus Elachista fusicola Fucus distichus Fucus vesiculosus Halosiphon tomentosus Isthmoplea sphaerophora Laminaria nigripes Laminaria solidungula Laminariocolax aecidioides Laminariocolax tomentosoides Leptonematella fasciculata Lithosiphon filiformis Petalonia fascia Petroderma maculiforme Pleurocladia lacustris Punctaria plantaginea Pylaiella littoralis Rafsia fungiformis Saccharina latissima Saccorhiza dermatodea Scytosiphon lomentaria Sorapion kjellmanii Stictyosiphon tortilis Stragularia clavata Streblonema stilophorae Sphacelorbus nanus Coilodesme bulligera Hincksia ovata Pogotrichum filiforme Coelocladia arctica Dictyosiphon chordaria Pilinia rimosa Ralfsia ovata Omphallophyllum ulvaceum Ralfsia verrucosa Streblonema fasciculatum Chlorophyta Ulva lactuca Enteromorpha intestinalis Prasiola stipitata Pseudopringsheimia confluens Acrosiphonia arcta Acrosiphonia sonderi
Chaetomorpha capillaris Chaetomorpha melagonium Chlorochytrium cohnii Chlorochytrium dermatocolax Cladophora rupestris Enteromorpha compressa Enteromorpha prolifera Gomontia polyrhiza Kornmannia leptoderma Monostroma grevillei Ostreobium quekettii Pseudothrix groenlandica Percursaria percursa Pringsheimiella scutata Protomonostroma undulatum Rhizoclonium riparium Spongomorpha aeruginosa as Chlorochytrium inclusum Ulothrix flacca Ulothrix speciosa Ulvaria spelndens Urospora wormskioldii Urospora penicilliformis Acrochaete flustrae Bolbocoleon piliferum Derbesia marina Rosenvingiella constricta Rosenvingiella polyrhiza Blidingia minima 4.4 Benthos Martin Blicher (GINR) & Mikael Sejr (AU) The benthic habitat has a central role in the marine ecosystem in the Arctic, in terms of elemental cycling, ecosystem function, and biodiversity. The benthic flora is confined to a relatively narrow photic zone extending from the inter-tidal zone to approximately 40 m depth. The biomass and production of perennial kelps can be significant and the large macroalgae create specific habitats with a characteristic associated fauna. The benthic fauna is more widespread and is found at all depths and all types of substrate. The benthic fauna is often very species rich and more than 100 different species per m 2 are typically found in undisturbed soft sediments (Sejr et al. 2010a, Sejr et al. 2010b). Three benthic species are fished commercially in Greenland waters. The scallop (Chlamys islandica) and the snow crab (Chionoecetes opilio) live directly on the sea floor, whereas the northern shrimp (Pandalus borealis) is found closely associated with the bottom. Moreover, there have been attempts to develop commercial exploitation of blue mussels (Mytilus edulis), sea urchins (Strongylocentrotus sp.) and sea cucumbers (Cucumaria sp.). The benthic community is affected by a multitude of different biological and physical parameters; with temperature, depth, food input, sediment composition, particle load, disturbance level (e.g. ice scouring) and hydrographical 81
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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
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anks are normally ice free or have
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ed in large numbers in the assessme
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cetaceans (whales and harbour porpo
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placement and transport corridors.
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shrimp and Greenland halibut, for i
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Mitigation The risk of accidents an
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Miljøet Det pelagiske miljø De fy
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Fangst og udnyttelse Menneskelig ud
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Indenfor fiskeriet, er risikoen for
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Kumulative effekter Der vil være e
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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 and 60: Jan Feb May Apr May Jul Aug Sep Oct
Page 61 and 62: Figure 3.3.3. Average sea ice exten
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: Table 4.3.1. Distribution of macroa
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
Page 111 and 112: Figure 4.7.11. At-sea distribution
Page 113 and 114: The Iceland gull has a favourable c
Page 115 and 116: Figure 4.7.12. Distribution and int
Page 117 and 118: Murres spend very long time on the
Page 119 and 120: The puffins are migratory, but thei
Page 121 and 122: Figure 4.7.16. Density of whitetail
Page 123 and 124: sonal communication 1984) varied wi
Page 125 and 126: Numbers: The status of the walrus s
Page 127 and 128: tively impacted by disturbance from
Page 129 and 130: surround the eyes and line the oral
Page 131 and 132: 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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