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  • 1
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    Quantitative Larvenanalyse des Rügenschen Frühjahrsherings in den Laichsaisons 1991 und 1992 (2021)
    In:  osf@vti.bund.de | http://aquaticcommons.org/id/eprint/4321 | 1240 | 2012-11-10 20:12:09 | 4321 | Bundesforschungsanstalt für Fischerei
    Details
    Publication Date: 2021-07-02
    Description: Das bereits vom ehemaligen Institut für Hochseefischerei, Rostock, routinemäßig durchgeführte Heringslarvenprogramm im Greifswalder Bodden wird als Beitrag zur Bestandsschätzung des Rügenschen Frühjahrsherings (RFH) zunehmend unter ökologischen Gesichtspunkten im Institut für Ostseefischerei (IOR) in Kooperation mit der Universität Rostock (Fachbereich Biologie) weitergeführt. Die quantitative Larvenanalyse ermöglicht über den Anteil des aus dem Greifswalder Bodden stammenden Nachwuchses eine Voraussage über den Erfolg der in einem weitaus größeren Seegebiet (ICES SD 22+24) produzierten Nachwuchsjahresklassen. Vorliegende Publikation dokumentiert erste Ergebnisse hinsichtlich der Heringslarvenverteilung im Saisonverlauf 1991 und 1992.
    Description: Johann Heinrich von Thünen-Institut, Federal Research Institute for Rural Areas, Forestry and Fisheries began publishing the Informationen aus der Fischereiforschung = Information on Fishery research in 2010
    Keywords: Fisheries ; herring ; recruitment ; Baltic Sea ; Greifswalder Bodden ; ecological aspects ; spawning season
    Repository Name: AquaDocs
    Type: article , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 118-124
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  • 2
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    Ichthyoplanktonuntersuchungen in der westlichen Ostsee/ Arkonasee unter dem Aspekt der Rekrutierung des Dorschbestandes (2021)
    In:  osf@vti.bund.de | http://aquaticcommons.org/id/eprint/4277 | 1240 | 2012-11-10 19:50:06 | 4277 | Bundesforschungsanstalt für Fischerei
    Details
    Publication Date: 2021-07-01
    Description: Das Ichthyoplanktonsurvey in der westlichen Ostsee / Arkonasee ergab im Juni 1993 ein mäßiges Fischlarvenaufkommen im Untersuchungsgebiet. Dorschlarven (Gadus morhua) wurden nicht gefangen, obwohl 1993 nach dem mittleren Salzwassereinstrom in die Ostsee mit verbesserten Umweltbedingungen für die Dorschrekrutierung gerechnet wurde.
    Description: Johann Heinrich von Thünen-Institut, Federal Research Institute for Rural Areas, Forestry and Fisheries began publishing the Informationen aus der Fischereiforschung = Information on Fishery research in 2010
    Keywords: Biology ; recruitment ; abundance ; ichthyoplnkton ; hydrographic data ; Gadus morhua ; larvae ; eggs
    Repository Name: AquaDocs
    Type: article , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 81-85
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  • 3
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    Guter Nachwuchsjahrgang 2004 des Herings der westlichen Ostsee, des Kattegats und Skagerraks (ICES-Gebiete IIIa und 22 – 24) (2021)
    In:  birgitt.weise@vti.bund.de | http://aquaticcommons.org/id/eprint/3061 | 1240 | 2011-09-29 17:58:27 | 3061 | Bundesforschungsanstalt für Fischerei
    Details
    Publication Date: 2021-07-01
    Description: Several fishery independent estimates of the year-class strength are necessary for the assessment and the ma-nagement of the total fish stock. An index for the year-class strength of the spring spawning herring in the western Baltic Sea is estimated on the basis of larvae surveys in the most important spawning ground. The results indicate a good year-class 2004.
    Description: Johann Heinrich von Thünen-Institute, Federal Research Institute for Rural Areas, Forestry and Fisheries began publishing the Informationen aus der Fischereiforschung = Information on Fishery Research in 2010.
    Keywords: Fisheries ; spawning stock ; recruitment ; Rügenscher Frühjahrshering ; Greifswald Bodden
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 21-22
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  • 4
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    Schwacher Nachwuchsjahrgang 2001 des Herings in der westlichen Ostsee (2021)
    In:  birgitt.weise@vti.bund.de | http://aquaticcommons.org/id/eprint/3197 | 1240 | 2012-11-10 14:20:27 | 3197 | Bundesforschungsanstalt für Fischerei
    Details
    Publication Date: 2021-06-26
    Description: Several fishery independent estimates of the year-class strength are necessary for the assessment and the management of the total fish stock. An index for the year-class strength of the spring spawning herring in the western Baltic Sea is estimated on the basis of larvae surveys in the most important spawning ground. The results indicate a weak year-class 2001.
    Description: Johann Heinrich von Thünen-Institute, Federal Research Institute for Rural Areas, Forestry and Fisheries began publishing the Informationen aus der Fischereiforschung = Information on Fishery Research in 2010.
    Keywords: Fisheries ; stock assessment ; recruitment ; Heringslarvenprogramm ; Greifswalder Bodden
    Repository Name: AquaDocs
    Type: article , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 164-165
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  • 5
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    Schwacher Nachwuchsjahrgang 2000 des Herings in der westlichen Ostsee (2021)
    In:  birgitt.weise@vti.bund.de | http://aquaticcommons.org/id/eprint/3267 | 1240 | 2012-11-10 14:42:35 | 3267 | Bundesforschungsanstalt für Fischerei
    Details
    Publication Date: 2021-06-26
    Description: Several fishery independent estimates of the year-class strength are necessary for the assessment and the managementof the total fish stock. An index for the year-class strength of the spring spawning herring in the western Baltic Sea is estimated on the basis of larvae surveys in the most important spawning ground. The results of this year’s herring larvae survey indicate a weak year-class 2000.
    Description: Johann Heinrich von Thünen-Institute, Federal Research Institute for Rural Areas, Forestry and Fisheries began publishing the Informationen aus der Fischereiforschung = Information on Fishery research in 2010.
    Keywords: Fisheries ; recruitment ; abundance ; herring ; Baltic Sea
    Repository Name: AquaDocs
    Type: article , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 191-192
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  • 6
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    Das deutsche Larvenprogramm im Hauptlaichgebiet des Herings der westlichen Ostsee - eine Forschungsaufgabe von internationaler Bedeutung (2021)
    In:  birgitt.weise@vti.bund.de | http://aquaticcommons.org/id/eprint/3282 | 1240 | 2012-11-10 17:42:11 | 3282 | Bundesforschungsanstalt für Fischerei
    Details
    Publication Date: 2021-06-27
    Description: The German larvae surveys in the main spawning area of the herring of the western Baltic Sea - an international important program. The article gives an overview over the German herring larvae surveys in the Greifswalder Bodden and Strelasund. This program is performed under ecological points of view annually in the main spawning area of the herring of the western Baltic Sea and delivers indices, which are well suited as independent estimates of the herring year-class strength.
    Description: Johann Heinrich von Thünen-Institute, Federal Research Institute for Rural Areas, Forestry and Fisheries began publishing the Informationen aus der Fischereiforschung = Information on Fishery research in 2010.
    Keywords: Fisheries ; recruitment ; larvae survey ; stock assessment ; herring ; Baltic Sea
    Repository Name: AquaDocs
    Type: article , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 15-17
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  • 7
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    Ichthyoplanktonaufnahmen als Beitrag zu Biodiversitätsuntersuchungen in der westlichen Ostsee (2021)
    In:  birgitt.weise@vti.bund.de | http://aquaticcommons.org/id/eprint/3294 | 1240 | 2012-05-10 14:04:44 | 3294 | Bundesforschungsanstalt für Fischerei
    Details
    Publication Date: 2021-06-27
    Description: Ichthyoplankton material provides information on the species composition in an area of investigation and leads to a better understanding of the entire fish community. Since 1993 every year in May and/or June an ichthyoplankton survey in ICES-Subdivision 22 and 24 has been performed to sample the plankton community of fishery resources in the western Baltic Sea. One objective was to get signs of possible changes in the natural structures of this fish community. The time series derived from the Bongo-Net samples does not show a clear trend in larval densities. Values varied, but up to now samplings in the western Baltic Sea yielded only low mean densities. According to the kind of reproductive biology the fish species were divided in three major groups: • Fish species with a long developmental phase in the plankton community• Small short living species with benthic eggs and a reduced plankton phase • Guests without local spawning populations. Species could be identified, which were absent in the fish larvae catches of the western Baltic Sea in the 60s and 70s.
    Description: Johann Heinrich von Thünen-Institute, Federal Research Institute for Rural Areas, Forestry and Fisheries began publishing the Informationen aus der Fischereiforschung = Information on Fishery research in 2010.
    Keywords: Ecology ; Biology ; recruitment ; monitoring ; seasonal variations ; ichthyoplankton ; Baltic sea
    Repository Name: AquaDocs
    Type: article , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 27-31
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  • 8
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    Fischarten der westlichen Ostsee – Untersuchungen von 2000 bis 2002 (2021)
    In:  birgitt.weise@vti.bund.de | http://aquaticcommons.org/id/eprint/3103 | 1240 | 2012-04-30 20:01:18 | 3103 | Bundesforschungsanstalt für Fischerei
    Details
    Publication Date: 2021-07-01
    Description: Ichthyoplankton provides information on the species com-position in an area of investigation and leads to a better understanding of the entire fish community. Every year since 1993 May/June (from 2000 in April/May) an ichthyoplankton survey in ICES Subdivision 22 and 24 has been done to sample the plankton community in the western Baltic Sea. One objective was to acquire indicators of possible changes in the natural structures of the fish com-munity. The time series derived from the Bongo-Net samples is too short to show a trend in larval densities. Up to now samples in the western Baltic Sea yielded only low mean densities. According to the reproductive biology the fish species were divided in three major groups:•Fish species with a long developmental phase in the plankton community•Small short lived species with benthic eggs and a reduced planktonic phase•Guests without local spawning populations. Species were identified, which were absent in the plankton of the western Baltic Sea in the 1960s and 1970s.
    Description: Johann Heinrich von Thünen-Institute, Federal Research Institute for Rural Areas, Forestry and Fisheries began publishing the Informationen aus der Fischereiforschung = Information on Fishery Research in 2010.
    Keywords: Fisheries ; Biodiversity ; recruitment
    Repository Name: AquaDocs
    Type: article , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 122-125
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  • 9
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    Seltene Fischlarven in den Ichthyoplanktonfängen der westlichen Ostsee im Zeitraum 1993 - 1996 (2021)
    In:  birgitt.weise@vti.bund.de | http://aquaticcommons.org/id/eprint/3790 | 1240 | 2012-09-21 09:15:04 | 3790 | Bundesforschungsanstalt für Fischerei
    Details
    Publication Date: 2021-06-25
    Description: Distribution and abundance of fish eggs and larvae in North Sea and Baltic Sea have been objectives of fishery research for over 100 years. Most fish species produce pelagic eggs or larvae. The early developmental stages of many marine fish species important to commercial fishery are part of plankton communities, and can be sampled by a single gear.Collections of fish in their larval phase provide material for studies of many aspects of fishery research: e.g. information on plankton communities and abundance of fish species in the area of investigation.
    Description: Johann Heinrich von Thünen-Institute, Federal Research Institute for Rural Areas, Forestry and Fisheries began publishing the Informationen aus der Fischereiforschung = Information on Fishery research in 2010.
    Keywords: Fisheries ; Biology ; rare species ; recruitment ; biodiversity
    Repository Name: AquaDocs
    Type: article , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 62-64
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  • 10
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    Evaluierung der historischen Daten der deutschen Larvensurveys im Hauptlaichgebiet des Herings der westlichen Ostsee (2021)
    In:  birgitt.weise@vti.bund.de | http://aquaticcommons.org/id/eprint/3063 | 1240 | 2011-09-29 17:57:34 | 3063 | Bundesforschungsanstalt für Fischerei
    Details
    Publication Date: 2021-07-01
    Description: The results of the time series of larvae surveys in the mainspawning area of the western Baltic Sea spring spawningherring were evaluated. The quality of the recruitment indexN 30 was studied. The raw data of 1977 to 1987 have gotlost. In 1988 and 1989 the data for the estimation of therecruitment index are biased. Only since 1990 the basic datacan be considered reliable.
    Description: Johann Heinrich von Thünen-Institute, Federal Research Institute for Rural Areas, Forestry and Fisheries began publishing the Informationen aus der Fischereiforschung = Information on Fishery Research in 2010.
    Keywords: Fisheries ; Clupea harengus ; Baltic Sea ; stock asessment ; spawning stock ; recruitment ; Herring survey
    Repository Name: AquaDocs
    Type: article , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 33-35
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