Essays about: "stickleback"

Showing result 1 - 5 of 11 essays containing the word stickleback.

  1. 1. The effects of eutrophication and browning on prey availability and performance of the three-spined stickleback (Gasterosteus aculeatus)

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Olivia Bell; [2021]
    Keywords : Baltic Sea; benthic habitats; body growth; climate change; coastal areas; diet; fish; stickleback; zooplankton;

    Abstract : Shallow coastal areas often have high productivity and diversity, in part due to the high availability of light and nutrients. At the same time, they are exposed to multiple environmental pressures, such as browning and eutrophication. READ MORE

  3. 2. Nuptial coloration is unaffected by the immune response fibrosis in threespine stickleback

    University essay from Lunds universitet/Examensarbeten i biologi

    Author : Siri Stigeborn; [2021]
    Keywords : Biology and Life Sciences;

    Abstract : To understand why immune traits affect the fitness of its host is an important part of understanding why and how immune responses evolve. In threespine stickleback (Gasterosteus aculeatus), fibrosis is an immune response evolved to combat infection of the tapeworm parasite Schistocephalus solidus. READ MORE

  4. 3. Influence of reed (Phragmites australis) belts in the Baltic Sea archipelago on pike (Esox lucius) and other coastal fish species

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Niklas Niemi; [2020]
    Keywords : Reed; Phragmites; Pike; Baltic Sea; spatial distribution; habitat utilization; reed expansion; reed management;

    Abstract : Eutrophication, near shore building and human disturbances by dredging and shore alteration have led to increased expansion of the common reed (Phragmites australis) in the archipelago of the Baltic Sea. Reed has an important ecological function such as nursery habitat for many fish species. READ MORE

  5. 4. Behavioral Alteration of Ninespine Stickleback (Pungitius pungitius) and Threespined Stickleback (Gasterosteus aculeatus) when Exposed to the Anxiolytic Drug Oxazepam.

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Jenni Burman; [2020]
    Keywords : Behavioral alteration; oxazepam; Pungitus pungitus; Gasterosteus aculeatus;

    Abstract : One of the environmental hazards the aquatic ecosystem is faced with today is pollution by pharmaceuticals that enter the aquatic system through wastewater from hospitals, manufacturing processes and improper disposal by the public. Benzodiazepines are a class of anxiolytic pharmaceuticals that have been shown to have behavioral modifying effects on exposed biota. READ MORE

  6. 5. Stickleback diets in bays along the northen Baltic Sea

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Douglas Skarp; [2019]
    Keywords : stickleback; perch larvae; predation; competition; bay;

    Abstract : Coastal populations of perch (Perca fluviatilis) in the Baltic Sea has declined substantially the last decades while the populations of three-spined sticklebacks (Gasterosteus aculeatus) has increased rapidly during the same time period. Earlier studies have suggested that predation on perch larvae and or competition from sticklebacks are the causes behind the decline in perch. READ MORE