Essays about: "Reduction fishing"

Showing result 1 - 5 of 17 essays containing the words Reduction fishing.

  1. 1. Where can the Vendace (Coregonus albula) live during the least favourable period of the summer stratification in Lake Mälaren?

    University essay from Högskolan i Skövde/Institutionen för biovetenskap

    Author : Loa Andersson; [2023]
    Keywords : ;

    Abstract : Temporal stratification in lakes due to high air temperatures and dynamic wind conditions changes the environment for organisms in the depth gradient. For fish that have narrow requirements for temperature and oxygen conditions, stratification can lead to a significant reduction in habitat volume during the summer when surface temperatures are high. READ MORE

  3. 2. Making nets more acoustically visible : Floats as passive mitigation measures to reduce bycatch of harbour porpoise (Phocoena phocoena) in gillnets

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Frida Rosshagen; [2023]
    Keywords : toothed whales; harbour porpoise; Phocoena phocoena; incidental capture; bycatch; fisheries; fishing gear; ; gillnet; mitigation; reduction; low-cost; passive acoustic reflector; float;

    Abstract : Incidental capture in fishing gear is today affecting at least 112 marine mammal species worldwide and for many smaller toothed whale species (Odontocete), gillnets are considered to be the largest problem. Although some effective mitigation measures exists, these are often context specific and many might be hard to implement due to reasons such as high costs and maintenance. READ MORE

  4. 3. Antropogena effekter på sötvattenlevande tiofotade kräftdjur : en litteraturstudie

    University essay from SLU/Dept. of Animal Environment and Health

    Author : Viktoria Lidell; [2021]
    Keywords : Decapoda; tiofotade kräftdjur; sötvatten; antropogena effekter;

    Abstract : The world is facing many anthropogenic threats against biodiversity and ecosystems. For an ecosystem to work, all components in it, for example different species of animals and plants, temperature, and precipitation, are vital. Freshwater Decapods are an order of crustaceans referred to as key species in freshwater ecosystems. READ MORE

  5. 4. Learning representations of features of fish for performing regression tasks

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Kristmundur Jónsson; [2021]
    Keywords : Representation learning; Deep Learning; regression; auto encoder; Variational auto encoder; Representationsinlärning; Djupinlärning; Regression; autoencoder; Variational autoencoder;

    Abstract : In the ever-changing landscape of the fishing industry, demands for automating specific processes are increasing substantially. Predicting future events eliminates much of the existing communication latency between fishing vessels and their customers and makes real-time analysis of onboard catch possible for the fishing industry. READ MORE

  6. 5. Population dynamics of the horned grebe in constructed wetlands in Östergötland.

    University essay from Linköpings universitet/Institutionen för fysik, kemi och biologi

    Author : Johanna Pellnor; [2021]
    Keywords : Biodiversity; Canadian pondweed; Common roach; Horned grebe; Pike; Population dynamics; Wetland;

    Abstract : The population size of the horned grebe, Podiceps auritus, is declining in most of the world due to loss of wetlands, deteriorating water quality and establishment of predatory fish such as pike, Esox lucius, in former fish free wetlands. The horned grebe is now globally classified as vulnerable. READ MORE