Essays about: "Aquatic ecosystem"

Showing result 21 - 25 of 101 essays containing the words Aquatic ecosystem.

  1. 21. Conservation Management in Riparian Zones : a follow up of the Nissan water management agreement

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Joakim Isaksson; [2021]
    Keywords : Riparian Zone; broadleaves; forest management; Nissan;

    Abstract : Forest management in riparian zones has consequences for the aquatic ecosystem. In 2015, Sveaskog signed a water management agreement for the river Nissan with the purpose of promoting broadleaves and improving the riparian ecosystems inside the agreement area. READ MORE

  3. 22. Development of northern pike (Esox lucius) populations in the Baltic Sea, and potential effects of grey seal (Halichoerus grypus) predation

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Rebecka Svensson; [2021]
    Keywords : diet analysis; ; marine mammals; predator-prey; socio-economic; sport fishing; recreational fisheries;

    Abstract : Worldwide, marine mammal populations are increasing after considerable efforts to turn the downward trends caused by hunting, accidental mortality and pollution. The ecosystem effects from the increases of these top predators may be pronounced, but are in most cases poorly known. READ MORE

  4. 23. Behavioural effects on Lymnaea stagnalis following sublethal exposure to the antidepressant fluoxetine

    University essay from Lunds universitet/Miljövetenskaplig utbildning

    Author : Jennie Hansson; [2021]
    Keywords : Ecotoxicology; Lymnaea stagnalis; fluoxetine; SSRI; Toxicity; sub-lethal; dose-response relationship; Earth and Environmental Sciences;

    Abstract : The use of selective serotonin reuptake inhibitors (SSRI), a group of antidepressants, increases globally resulting in higher concentrations also in wastewater recipients. These concentrations may cause altered behaviour of aquatic organisms and have effects on whole ecosystem level. READ MORE

  5. 24. Effects of native freshwater mussels and leaf debris on benthic macroinvertebrate abundance and diversity : A field experiment with Margaritifera margaritifera in Vasslabäcken, Örebro county

    University essay from Karlstads universitet/Institutionen för miljö- och livsvetenskaper (from 2013)

    Author : Kai Sven Onken; [2021]
    Keywords : bivalve; functional role; habitat modification; decomposition; biodeposition;

    Abstract : Organisms that are part of complex ecosystems interact not only with other organisms but also with their environment, affecting ecosystem functions. In aquatic ecosystems filter feeders affect ecosystem functioning by transferring energy and nutrients from the water to the benthos. READ MORE

  6. 25. Blue Growth : Applications and properties of biochar made out of reed

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Axel Karlsson; Pinthira Fagerström; [2021]
    Keywords : Common reed; Phragmites australis; Giant reed; Arundo donax; Usage; Utilization; Baltic sea; Sweden; Eutrophication; Overfertilization; Nutrient discharge; Blue bioeconomy; Soil improvement; Feedstock; Pyrolysis; Biochar; Biocoal; Coal supplement; Bioenergy; Biofuel; Carbon sequestration; Fodder; Cost analysis; Bladvass; Phragmites australis; Italienskt rör; Arundo donax; Användning; Användningsområde; Östersjön; Sverige; Eutrofiering; Övergödning; Näringsläckage; Blå bioekonomi; Jordförbättring; Råmaterial; Pyrolys; Biokol; Bioenergi; Biobränsle; Kolbindning; Foder; Kostnadsanalys;

    Abstract : The climate on earth keeps getting warmer where heat waves, eutrophication, rising sea levels, extreme weather like flooding, droughts and wildfires are an expanding problem. The focus of this bachelor thesis is to determine the potential of mitigating eutrophication and while contributing to blue growth by harvesting and make use of reeds like Phragmites australis and Arundo donax. READ MORE