Considerations for using spawner reference levels for managing single- and mixed-stock fisheries of Atlantic salmon     

Chaput  Gerald 《ICES Journal of Marine Science》2004,61(8):1379-1388

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Zonal Wavelengths of Planetary Rossby Waves Derived from Hydrographic Transects in the Northeast Atlantic Ocean?     

Eberhard Hagen 《Journal of Oceanography》2005,61(6):1039-1046

Using hydrographic data of three extended zonal sections, which cover the upper 1000 dbar layer along 10°, 21°, and 32°N in the North-East Atlantic between 20° and 45°W, observational evidence is presented for zonal wavelengths of resonantly excited, first mode, long, baroclinic Rossby waves. The amplitudes of associated anomalies in the mass field decrease with increasing offshore distance. The associated zonal wavelengths reach several hundred kilometres and decrease with increasing latitude. Due to the Rossby dispersion, the detected wave patterns slowly propagate westward, somewhat faster in the south than in the north. The results obtained confirm the data sets remotely sensed by satellites, as well as the outcomes of analytical and numerical models.  相似文献   

Measurements of dissolved organic carbon (DOC) in sea water by high temperature combustion method     

Guo Laodong  Peter H. Santschi 《海洋学报(英文版)》1997,16(3):339-353

Dissolved organic carbon (DOC) is the largest organic carbon reservoir in sea water and plays an imporrant role in the marine carbon cycle and other biogeochemical processes in the ocean. Accurate and precise determinalion of the bOC concentration in sea water is thus a prerequisite for any interpretation of DOC biogeochemistry. A key factor in analytical quality control is an accurate determination of the blank. The assessment and distinction of DOC blanks are essential for the precise measurements of oceanic DOC. The total DOC blank includes instrument and water blanks in the high temperature catalytic oxidation (HTCO) method. DOC can be measured accurately using the HTCO method only when the instrument blank is correctly distinguished from the total DOC blank and corrected in the sample measurements. Low DOC blanks can be achieved by extensive conditioning of new catalysts and the whole instrument system, whereas instrument blanks can be quantified by subtracting the water blank from the total DOC blank. We have been able to produce low carbon nanopure water [≤2μmol/dm³(C)] and have a low instrumental blank [< 5-6 μmol/dm³(C)] when using the HTCO method. Results of concentrations and distributions of DOC in the Gulf of Mexico and the North Atlantic are oceanographically consistent. Results from DOC measurements on samples from the international DOC methods comparison program further confirmed our low values of both nenopure water and the instrument blank.  相似文献   

The quantitative definition of the Barents Sea Atlantic Water: mapping of the annual climatic cycle and interannual variability     

Smolyar  I.; Adrov  N. 《ICES Journal of Marine Science》2003,60(4):836-845

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Genetic variation between populations of the harp seal, Phoca groenlandica     

Meisfjord  J.; Sundt  R. C. 《ICES Journal of Marine Science》1996,53(1):89-95

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Carotenoids of sea lice (Lepeophtheirus salmonis) as potential indicators of host Atlantic salmon (Salmo salar L.) origin     

Noack  P. T.; Laird  L. M.; Priede  I. G. 《ICES Journal of Marine Science》1997,54(6):1140-1143

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Do environmental factors affect recruits per spawner anomalies of New England groundfish?   总被引：2，自引：1，他引：2  

Brodziak  Jon; O'Brien  Loretta 《ICES Journal of Marine Science》2005,62(7):1394-1407

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Biomass and productivity distributions and their variability in the Barents Sea   总被引：8，自引：0，他引：8  

Sakshaug  Egil 《ICES Journal of Marine Science》1997,54(3):341-350

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Sea surface temperature changes in the North Sea and their causes   总被引：2，自引：0，他引：2  

Becker  Gerd A.; Pauly  Manfred 《ICES Journal of Marine Science》1996,53(6):887-898

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A Wandering Population of the HexactinelIid Sponge Pheronema carpenteri on the Continental Slope off Morocco, Northwest Africa     

D. Barthel    O. S. Tendal  H. Thiel 《Marine Ecology》1996,17(4):603-616

Abstract. A photo transect along the continental slope off Morocco, Northwest Africa revealed an extensive population of the hexactinellid sponge Pheronema carpenteri ( thomson , 1869). The population forms a distinct band parallel to the depth contours between 740 and 820 m. Because of the long persistence of dead hexactinellid skeletons, living and dead individuals of P. carpenteri were recorded, together with the spicular remains of disintegrated individuals. Furthermore, the presence of small individuals and that of other epifaunal elements were recorded. The peaks of abundance of dead and living sponges, respectively. are not at the same depth, the maximum abundance of living individuals being above that of the dead ones; small, i.e ., probably young P. carpenteri individuals were observed only in the upper zone. This can be interpreted as a successional phenomenon, i.e ., the population of P. carpenteri has apparently 'moved' slowly up the slope. The fauna associated with the P. carpenteri population along the Moroccan coast seems to be much poorer than that associated with another band-shaped population in the Porcupine Seabight investigated by B ett & R ice (1992). indicating that the presence of dense hexactinellid populations does not invariably lead to conspicuous benthic faunal enrichment.  相似文献