Essays about: "Breeding success"

Showing result 1 - 5 of 57 essays containing the words Breeding success.

  1. 1. Egg-laying and nesting behavior of common eider at Stora Karlsö

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Anna Olsson; [2023]
    Keywords : ;

    Abstract : The population of common eider (Somateria mollissima) has suffered a dramatic decline in several breeding locations since the 1990s. Predation is described as one of the main reasons, along with other suggested explanations such as food shortage, environmental pollutants, and thiamine shortage. READ MORE

  2. 2. Gonadal hypoplasia in Swedish Mountain cattle and other native Swedish cattle breeds

    University essay from SLU/Dept. of Animal Breeding and Genetics

    Author : Julia Hinken; [2023]
    Keywords : gonadal hypoplasia; Swedish Mountain cattle; fjäll;

    Abstract : The Swedish Mountain cattle and several related breeds show the phenotype of colour-sidedness. The genetic reasons for this phenotype are a translocation and duplication from chr6 to chr29 (known as Cs29) including the KIT gene and an additional translocation with part of the Cs29 translocation from chr29 back to chr6 (Cs6). READ MORE

  3. 3. Temperature dependent preening behaviour in common guillemots Uria aalge

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Saga-Savanna Kynman; [2023]
    Keywords : common guillemot; common murre; seabirds; Stora Karlsö; heatstress; temperature; preening; allopreening;

    Abstract : As global temperature increase, new thermal conditions may challenge the physiological limits of endotherms. Examining the direct effects of extreme temperatures is an important component in understanding how these physiological limits may impact an organism’s behaviour, breeding success and survival. READ MORE

  4. 4. Reliable Detection of Water Areas in Multispectral Drone Imagery : A faster region-based CNN model for accurately identifying the location of small-scale standing water bodies

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

    Author : Shengyao Shangguan; [2023]
    Keywords : Water Detection; Faster region-based convolutional neural networks; Multiple images; Convolutional neural networks; Random Forest; Vattendetektering; Snabbare regionbaserade konvolutionella neurala nätverk; Flera bilder; Konvolutionella neurala nätverk; Random Forest;

    Abstract : Dengue and Zika are two arboviral viruses that affect a significant portion of the world population. The principal vector species of both viruses are Aedes aegypti and Aedes albopictus mosquitoes. They breed in very slow flowing or standing pools of water. READ MORE

  5. 5. The Ecological and Anthropogenic Impacts of fishing gear in a tropical system : How the size of Spotted Rose Snapper (Lutjanus guttatus) and the ratio of target catch, is influenced by approved fishing gear within a marine area of responsible fishing in the South-Western Gulf of Nicoya, Costa Rica.

    University essay from Linnéuniversitetet/Institutionen för biologi och miljö (BOM)

    Author : Alfred Eriksson; [2023]
    Keywords : Overfishing; overexploitation; Spotted Rose Snapper; Lutjanus guttatus; Gulf of Nicoya; Costa Rica; marine protected areas; artisinal fishermen; bycatch; Costa Rican Institute of Fisheries and Aquaculture; incopesca; fishing gear; longlines;

    Abstract : The oceans are essential for humanity, yet these systems continue to be degraded and suffer from pollution, habitat destruction and overexploitation. The Costa Rican Gulf of Nicoya is a productive gulf that is fished by both large-scale industrial fisheries and small-scale artisanal fishermen. READ MORE