Blar i forfatter "Kleiven, Alf Ring"

Viser treff 1-2 av 2

    • The management of lobster in coastal Skagerrak : recreational fisheries, unreported commercial catches andmarine protected areas 

      Kleiven, Alf Ring (Doctoral thesis; Doktorgradsavhandling, 2010-09-30)
      The implementation of four experimental lobster reserves in Norway in 2006 highlighted a set of important questions regarding lobster management. This thesis presents a study on the management and fishery of the European lobster (Homarus gammarus) in Skagerrak. Firstly, the implementation process of the lobster reserves was analysed. It revealed that local stakeholders, such as recreational fishers, ...

    • Total Catch of a Red-Listed Marine Species Is an Order of Magnitude Higher than Official Data 

      Kleiven, Alf Ring; Olsen, Esben Moland; Vølstad, Jon Helge (Journal article; Tidsskriftartikkel; Peer reviewed, 2012)
      Accurate information on total catch and effort is essential for successful fisheries management. Officially reported landings, however, may be underestimates of total catch in many fisheries. We investigated the fishery for the nationally red-listed European lobster (Homarus gammarus) in south-eastern Norway. Probability-based strip transect surveys were used to count buoys in the study area in ...