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  • 1
    Digitale Medien
    Digitale Medien
    CONSUMPTIVE WATER USE OF RAINFED MAIZE IN NIGERIA (1986)
    Oxford, UK : Blackwell Publishing Ltd
    Singapore journal of tropical geography 7 (1986), S. 0 
    Details
    ISSN: 1467-9493
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Geographie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1467-9493.1986.tb00177.x
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    Artikel (Nationallizenzen)
    Volltext
  • 2
    facet.materialart.
    Unbekannt
    Reducing by-catch through fishing gear modification (2021)
    FISON | Akure (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23379 | 19325 | 2018-04-10 16:39:49 | 23379 | Fisheries Society of Nigeria
    Details
    Publikationsdatum: 2021-07-14
    Beschreibung: There have been considerable efforts in recent years to modify fishing gears and practices to target particular sizes and species of fish (fin and shell) and other marine organisms more efficiently. By catch consideration and gear modification play an important role in regulation of several major fisheries and new by-catch reduction devices and other innovative gear modification are continuously being proposed and tested to mitigate against these problems, among which are the turtle excluder device (T.E.DS) in the shrimp trawls to reduce mortality of endangered sea turtle; sorting grids and scaring device in long line fisheries. This paper assesses the incidence of by catch in fisheries, provides a review of successful developments and application of selective fishing techniques that have been used to achieve by-catch reduction. Recommendations were also made on effective monitoring of fishing gears to ensure that devices aimed at reducing by-catch are included and fishermen use only the appropriate gears to limit by-catch and discards.
    Beschreibung: Includes:- 3 tables.;4 refs.
    Schlagwort(e): Fisheries ; Nigeria ; freshwater environment ; By catch ; Gear selectivity
    Repository-Name: AquaDocs
    Materialart: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 48-51
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    ARTIKEL (OA)
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