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Sökning: WFRF:(Josefsson Per O)

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1.
  • Anderson, Leif G., et al. (författare)
  • The effect of the Siberian tundra on the environment of the shelf seas and the Arctic Ocean
  • 1999
  • Ingår i: Ambio. - 0044-7447. ; 28:3, s. 270-280
  • Tidskriftsartikel (refereegranskat)abstract
    • The Tundra Ecology -94 expedition investigated inflow of inorganic and organic carbon to the shelf seas by river runoff, and its transformation by biochemical processes in seawater and sediment. In addition, anthropogenic radionuclides, 137Cs, 90Sr, and 239,240Pu, were studied in water and sediments. The distribution of dissolved inorganic carbon indicates that the majority of the Ob and Yenisey discharges flow into the Laptev Sea before entering the central Arctic Ocean. The sediment study shows that there is a marked difference in benthic oxygen uptake, efflux of dissolved inorganic carbon and nutrients between localities. 137Cs activity from the Chernobyl accident is 30% in the Barents, Kara, and Laptev Seas. 137Cs increased from 5-8 Bq m-3 in Barents Sea, 5-13 Bq m-3 in the Kara Sea to 8-15 Bq m-3 in the Laptev Sea, but with locally low concentrations at the river mouths. Corresponding values for 90Sr were 2.5, 3, and 4 Bq m-3, respectively.
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2.
  • Josefsson, Per O, et al. (författare)
  • Jones fracture. Surgical versus nonsurgical treatment
  • 1994
  • Ingår i: Clinical Orthopaedics and Related Research. - 0009-921X. ; 299, s. 252-255
  • Tidskriftsartikel (refereegranskat)abstract
    • Sixty-three patients with 66 transverse and short oblique fractures of the proximal shaft of the fifth metatarsal bone (Jones fracture) were evaluated an average of five years (range, one to ten years) after the injury. There were 27 acute fractures and 39 chronic, or stress, fractures. The primary treatment was surgical for one third of the injuries and nonsurgical for the others. Surgical treatment consisted of the insertion of medullary screws. Nonsurgical treatment consisted of the application of either a plaster cast or an elastic bandage. Almost one fourth of the fractures treated nonsurgically later had to be treated surgically because of delayed unions or refractures. Late surgery was required in 12% of acute fractures and in 50% of chronic fractures with sclerosis narrowing the medullary canal. Irrespective of the primary treatment, all the patients had full function at the time of the follow-up evaluation, and no nonunions were diagnosed.
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3.
  • Petersen, Jens Kjerulf, et al. (författare)
  • Reference conditions and EQOs for aquatic vegetation and macrozoobenthos.
  • 2005
  • Ingår i: Final report from The project RETRO - ”Reference conditions and typologies for aquatic vegetation and macrozoobenthos in the Skagerrak and Kattegat” - is an 2002-4 RTD-project funded by Nordic Council of Ministers involving partners from Denmark, Norway and Sweden..
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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  • Resultat 1-3 av 3

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