Essays about: "forage fish"

Showing result 1 - 5 of 26 essays containing the words forage fish.

  1. 1. Investigating the influence of the tidal regime on harbour porpoise Phocoena phocoena distribution in Mount’s Bay, Cornwall

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Duncan Jones; [2023]
    Keywords : Geography; Geographical Information Systems; GIS; Habitat Modelling; Harbour Porpoise; MaxEnt; Tidal Processes; Conservation; Earth and Environmental Sciences;

    Abstract : Investigating the influence of the tidal regime on harbour porpoise Phocoena phocoena distribution in Mount’s Bay, Cornwall Abstract Unintentional by-catch in fishing gear is a significant cause of mortality of harbour porpoises in UK waters. Understanding the spatial distribution of harbour porpoises at fine scales and how this changes over time is essential when trying to understand where these lethal interactions might occur. READ MORE

  3. 2. STARTING FROM THE BOTTOM: USING LOW TROPHIC SPECIES IN SALMON FEEDS. Assessing the environmental performance of novel salmon feeds with LCA .

    University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Author : Moritz Hempel; [2022-08-30]
    Keywords : LCA; Salmon aquaculture; novel feeds; seaweed; blue mussel;

    Abstract : Over the past 30 years, the formulation of salmon feeds has shifted from being based on marine ingredients like fishmeal and fish oil towards more plant-based ingredients. This shift was caused by limited supply of wild fish and general sustainability concerns related to using forage fish for feed, so they were mainly replaced with vegetable-protein. READ MORE

  4. 3. Spatial co-occurrence between wind power and boreal forestlands with lichen important for reindeer browsing : a landscape analysis

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Erik Lundmark; [2022]
    Keywords : lichen; qGIS; reindeer; reindeer husbandry; spatial analysis; wind power;

    Abstract : To meet the increasing demand of renewable energy, Sweden aim to expand the onshore wind power production from 30 TWh today, to 80 TWh by 2040. Most wind power sites will be placed in Northern Sweden, which coincides with the reindeer husbandry area, where indigenous Sami have a legislated reindeer husbandry right. READ MORE

  5. 4. Stand characteristics and temperature’s effect on bilberry availability and quality

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Jennifer Chaimungkhun Johansson; [2022]
    Keywords : bilberry; vaccinium myrtillus; nutrition; maturity classes; temperature loggers;

    Abstract : Stand characteristics is a crude description of a forest and provides general knowledge of what the forest looks like, for example plant composition and site productivity. Factors and measurements like tree canopy and basal area affects the near ground microclimate through temperature regulation, light intake, and available soil nutrient. READ MORE

  6. 5. The secret life of moose : patterns of foraging and behaviour based on video collars

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : cecilia Åström; [2022]
    Keywords : moose; alces alces; foraging; video footage; herbivory; browsing;

    Abstract : To understand how moose forage in the wild, we have to study them without disturbing them then. Video cameras placed on moose are a novel method to study wild individuals without being intrusive. I analyzed video footage from four moose collars, filmed up to nine times a day and filmed from 4 to 11 months, for maximum of 4,5 minutes a day. READ MORE