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  • 1
    Online Resource
    Online Resource
    Recruitment, Colonization and Physical-Chemical Forcing in Marine Biological Systems : Proceedings of the 32nd European Marine Biology Symposium, Held in Lysekil, Sweden, 16-22 August 1997. (1998)
    Dordrecht :Springer Netherlands,
    Details
    Keywords: Colonization (Ecology)-Congresses. ; Marine ecology-Congresses. ; Recruitment (Population biology)-Congresses. ; Electronic books.
    Description / Table of Contents: Proceedings of the 32nd European Marine Biology Symposium.
    Type of Medium: Online Resource
    Pages: 1 online resource (369 pages)
    Edition: 1st ed.
    ISBN: 9789401728645
    Series Statement: Developments in Hydrobiology Series ; v.132
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=6502640
    DDC: 575.1
    Language: English
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    GEOMAR EBL
  • 2
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    Environmental constraints of the invasive Mnemiopsis leidyi in Scandinavian waters (2013)
    ASLO (Association for the Sciences of Limnology and Oceanography)
    In:  Limnology and Oceanography, 58 (1). pp. 37-48.
    Details
    Publication Date: 2016-01-01
    Description: We studied the seasonal dynamics of the invasive ctenophore Mnemiopsis leidyi over its distribution range from Skagerrak into the Baltic Proper during 1 yr and related this to ambient physical and biological variables. The appearance of M. leidyi was sporadic in the Baltic Proper, with 60-fold lower abundance than in the Skagerrak and Kattegat (mean 0.02 individual m−3 and 1.16 individual m−3, respectively). M. leidyi typically resided above the halocline (10–20 m depth), except in the Baltic Proper where they were found deeper. Smaller size classes were underrepresented in the Baltic Proper, indicating failed reproduction or high mortality of the younger life stages. Ninety percent of the M. leidyi were observed at salinities of 22–29 and 75% of the individuals in water masses warmer than 11°C, i.e., typical late summer to autumn temperatures. Results of a Generalized Additive Model (GAM) indicate that the spatio-temporal distribution of M. leidyi might be explained by advection of M. leidyi from the Skagerrak and Kattegat area to the Baltic Proper. We conclude that the low salinity (〈 9) of the Baltic Proper is likely to restrict successful reproduction and establishment of M. leidyi and that the advection of individuals from higher saline source areas sustained the observed Baltic Proper occurrence.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.4319/lo.2013.58.1.0037
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 3
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    A place for Mnemiopsis: Spatio-temporal habitat characterization in Scandinavian waters (2011)
    In:  [Poster] In: 5. International Zooplankton Production Symposium, 14.-18.03.2011, Pucón, Chile .
    Details
    Publication Date: 2014-05-07
    Type: Conference or Workshop Item , NonPeerReviewed
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    OceanRep: Poster
  • 4
    Electronic Resource
    Electronic Resource
    Propagation of planktonic copepods: production and mortality of eggs (1988)
    Springer
    Hydrobiologia 167-168 (1988), S. 219-225 
    Details
    ISSN: 1573-5117
    Keywords: copepods ; egg-production ; egg mortality ; distribution ; phenology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Data on fecundity and egg mortality of neritic copepods were collected in various seasons, areas and under various hydrographical conditions. On a seasonal basis variations in fecundity (F) were related to temperature rather than to the abundance of phytoplankton (P). However, a strong correlation between F and P was evident when water column stability varied horisontally or temporally (i.e. at a tidal front or subsequent to a storm). Estimated specific egg-mortalities were variable and occasionally very severe, up to 9.1 d−1, implying that down to 10−4% of the eggs survive to hatching. The implications for phenology and distribution of copepods are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00026308
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    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Vertical distribution, grazing and egg production of calanoid copepods during winter–spring in Gullmarsfjorden (1998)
    Springer
    Hydrobiologia 375-376 (1998), S. 343-351 
    Details
    ISSN: 1573-5117
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The vertical distribution of copepods in relation to their potential food was examined in Gullmarsfjorden, Sweden (58° 15.6′ N, 11° 27.2′ E). Plankton distributions were determined from bottle samples at 5 m intervals on four occasions; 30 January, 28 February, 7 March and 10 April 1996. Potential food was crudely divided into chlorophyll containing protists (generally phytoplankton) and ciliates. Weak correlations between copepods and phytoplankton were found in January and April, while there were no correlations during the diatom spring bloom (February-March) when phytoplankton were superfluous throughout the water column. Copepods and ciliates were never correlated. Ingestion as determined from gut fluorescence and egg production analyses suggested a higher degree of herbivory during the spring bloom than before and after. There was potential for copepod predation control of ciliate biomass throughout the study. Due to low copepod abundance in January through March estimated grazing pressure was not sufficient to control phytoplankton biomass until after the diatom spring bloom. Egg production rates were constant for Centropages hamatus (∼ 20 eggs female-1 day-1) on all dates but more variable (1–26 eggs female-1 day-1) for the other species. Temora longicornis and Acartia sp. both revealed their lowest fecundity during the bloom.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1017059613377
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    Paper (German National Licenses)
    Fulltext
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