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  • GEOMAR Catalogue / E-Books
  • Journals
  • OceanRep  (7)
  • ICES  (5)
  • AMS (American Meteorological Society)  (2)
  • 2010-2014  (7)
  • 1
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    Biology and ecology of cephalopod species commercially exploited, Species accounts (2010)
    ICES
    In:  In: Cephalopod biology and fisheries in Europe. , ed. by Pierce, G. J., Allcock, L., Bruno, I., Bustamante, P., Gonzalez, A., Guerra, A., Jereb, P., Lefkaditou, E., Malham, S., Moreno, a., Pereira, J., Piatkowski, U., Rasero, M., Sanchez, P., Santos, M. B., Santurtun, M., Seixas, S., Sobrino, I. and Villanueva, R. ICES Cooperative Research Report, 303 . ICES, Copenhagen, Denmark, pp. 9-29. ISBN 978‐87‐7482‐078‐9
    Details
    Publication Date: 2019-06-25
    Type: Book chapter , NonPeerReviewed
    Format: text
    Location Call Number Limitation Availability
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    OceanRep: Book chapter
  • 2
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    The future of cephalopod populations, fisheries, culture, and research in Europe (2010)
    ICES
    In:  In: Cephalopod biology and fisheries in Europe. , ed. by Pierce, G. J., Allcock, L., Bruno, I., Bustamante, P., Gonzalez, A., Guerra, A., Jereb, P., Lefkaditou, E., Malham, S., Moreno, a., Pereira, J., Piatkowski, U., Rasero, M., Sanchez, P., Santos, M. B., Santurtun, M., Seixas, S., Sobrino, I. and Villanueva, R. ICES Cooperative Research Report, 303 . ICES, Copenhagen, Denmark, pp. 86-118. ISBN 978‐87‐7482‐078‐9
    Details
    Publication Date: 2019-06-25
    Type: Book chapter , NonPeerReviewed
    Format: text
    Location Call Number Limitation Availability
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    OceanRep: Book chapter
  • 3
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    Cephalopod biology and fisheries in Europe (2010)
    ICES
    Details
    Publication Date: 2022-03-10
    Description: Over the past two decades, cephalopod molluscs have attracted increased attention from marine biologists and fishery scientists. Several species are important for European fisheries, as targets of small‐scale coastal fisheries and/or as bycatch in multispecies fisheries for demersal fish. The present report draws on a series of reviews prepared in 2005 for the CEPHSTOCK project (see Section 1). The taxonomy of the main resource species is reviewed (Section 2), and brief descriptions of each species are provided, along with information from studies of population genetics, habitat requirements of paralarvae and adults, and health and ecotoxicology (Section 3). The main fisheries are described, including illustration of gears used in specialized small‐scale fisheries and a discussion of the socio‐economic importance of the fisheries. The current status of cephalopod aquaculture is reviewed, highlighting notable advances in commercial culture of octopus and cuttlefish (Section 4). Current fishery data collection and fishery management are described, noting that there is no setting of landings quotas and no routine assessment of stock status. Options for stock assessment are discussed, drawing on one‐off assessments made during specific projects and current practice elsewhere in the world. The “live fast, die young” lifehistory strategies of cephalopods present particular challenges, but parallels can be drawn with short‐lived fish (Section 5). Finally, the report looks to the future, reviewing possible effects of climate change on cephalopods. It discusses the future development of aquaculture and fisheries for cephalopods, including prospects for fishery forecasting and fishery management – especially in relation to the small‐scale directed fisheries. Various knowledge gaps are identified, and ideas for research to fill these gaps are presented.
    Type: Book , NonPeerReviewed
    Format: text
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    OceanRep: Book
  • 4
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    Mnemiopsis leidyi in the Baltic Sea region: Origin, transport and seasonality (2014)
    ICES
    In:  In: Report of the Joint CIESM/ICES Workshop on Mnemiopsis Science (JWMS). ICES Council Meeting Papers, SSGHIE:14 . ICES, Kopenhagen, Denmark, pp. 11-14.
    Details
    Publication Date: 2021-02-15
    Type: Book chapter , NonPeerReviewed
    Format: text
    Location Call Number Limitation Availability
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    OceanRep: Book chapter
  • 5
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    Cephalopod biology and fisheries in Europe (2010)
    ICES
    In:  , ed. by Pierce, G. J., Allcock, L., Bruno, I., Bustamante, P., Gonzalez, A., Guerra, A., Jereb, P., Lefkaditou, E., Malham, S., Moreno, a., Pereira, J., Piatkowski, U., Rasero, M., Sanchez, P., Santos, M. B., Santurtun, M., Seixas, S., Sobrino, I. and Villanueva, R. ICES Cooperative Research Report, 303 . ICES, Copenhagen, Denmark, pp. 9-29, 175 pp. ISBN 978‐87‐7482‐078‐9
    Details
    Publication Date: 2019-06-25
    Type: Book , NonPeerReviewed
    Format: text
    Location Call Number Limitation Availability
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    OceanRep: Book
  • 6
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    Application of Oxygen Eddy Correlation in Aquatic Systems (2010)
    AMS (American Meteorological Society)
    In:  Journal of Atmospheric and Oceanic Technology, 27 (9). pp. 1533-1546.
    Details
    Publication Date: 2018-07-04
    Description: The eddy correlation technique is rapidly becoming an established method for resolving dissolved oxygen fluxes in natural aquatic systems. This direct and noninvasive determination of oxygen fluxes close to the sediment by simultaneously measuring the velocity and the dissolved oxygen fluctuations has considerable advantages compared to traditional methods. This paper describes the measurement principle and analyzes the spatial and temporal scales of those fluctuations as a function of turbulence levels. The magnitudes and spectral structure of the expected fluctuations provide the required sensor specifications and define practical boundary conditions for the eddy correlation instrumentation and its deployment. In addition, data analysis and spectral corrections are proposed for the usual nonideal conditions, such as the time shift between the sensor pair and the limited frequency response of the oxygen sensor. The consistency of the eddy correlation measurements in a riverine reservoir has been confirmed—observing a night–day transition from oxygen respiration to net oxygen production, ranging from −20 to +5 mmol m−2 day−1—by comparing two physically independent, eddy correlation instruments deployed side by side. The natural variability of the fluctuations calls for at least ∼1 h of flux data record to achieve a relative accuracy of better than ∼20%. Although various aspects still need improvement, eddy correlation is seen as a promising and soon-to-be widely applied method in natural waters.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1175/2010JTECHO723.1
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 7
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    Agulhas Leakage Predominantly Responds to the Southern Hemisphere Westerlies (2013)
    AMS (American Meteorological Society)
    In:  Journal of Physical Oceanography, 43 (10). pp. 2113-2131.
    Details
    Publication Date: 2020-08-04
    Description: The Agulhas Current plays a crucial role in the thermohaline circulation through its leakage into the South Atlantic. Under both past and present climates, the trade winds and westerlies could have the ability to modulate the amount of Indian-Atlantic inflow. Compelling arguments have been put forward suggesting that trade winds alone have little impact on the magnitude of Agulhas leakage. Here, employing three ocean models for robust analysis – a global coarse resolution, a regional eddy-permitting and a nested high-resolution eddy-resolving configuration – and systematically altering the position and intensity of the westerly wind belt in a series of sensitivity experiments, it is shown that the westerlies, in particular their intensity, control the leakage. Leakage responds proportionally to the westerlies intensity up to a certain point. Beyond this, through the adjustment of the large-scale circulation, energetic interactions occur between the Agulhas Return Current and the Antarctic Circumpolar Current that result in a state where leakage no longer increases. This adjustment takes place within 1 to 2 decades. Contrary to previous assertions, our results further show that an equatorward (poleward) shift in westerlies increases (decreases) leakage. This occurs due to the redistribution of momentum input by the winds. It is concluded that the reported present-day leakage increase could therefore reflect an unadjusted oceanic response mainly to the strengthening westerlies over the last few decades.
    Type: Article , PeerReviewed , info:eu-repo/semantics/article
    Format: text
    Format: text
    DOI: 10.1175/JPO-D-13-047.1
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    OceanRep: Article in a Scientific Journal - peer-reviewed
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