Essays about: "Benthic fauna"

Showing result 1 - 5 of 14 essays containing the words Benthic fauna.

  1. 1. Evaluation of restoration efforts in Dalälven - conditions for survival rate of Salmo trutta and Salmo salar

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Ville Svärd; [2023]
    Keywords : Restoration; river; salmonids; benthic fauna;

    Abstract : Rivers are among the most anthropogenically affected ecosystems in the world by irrigation, transportation, channelizing, and hydropower. Habitat restorations have become a popular method to restore the heterogeneity and complexity of rivers aiming for improvement of biodiversity. READ MORE

  3. 2. Newly inundated forest landscapes - hotspots for mercury in water and benthic fauna

    University essay from SLU/Dept. of Aquatic Sciences and Assessment

    Author : Kirstine Evald Andersson; [2023]
    Keywords : Wetland restoration; Inundation; Mercury cycling; Beaver impoundments; Aquatic biogeochemis-try;

    Abstract : Mercury (Hg) is a widespread contaminant in high-latitude aquatic ecosystems, where it can undergo microbial transfor-mation into toxic methylmercury (MeHg). Due to its chemical properties, MeHg tends to accumulate in the aquatic food chain and will eventually end up in predatory species at the top of the terrestrial food web. READ MORE

  4. 3. Restoration effects on benthic macroinvertebrate diversity and community composition in a river

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Fredrik Laggar; [2023]
    Keywords : Benthic invertebrates; diversity; communtiy composition;

    Abstract : Physical restoration efforts are common methods to restore running waters containingdegraded ecosystems due to anthropogenic activities such as irrigation, ditching, dammingand flood prevention. The goal is usually to restore waters to a more natural state, creatingmore physically complex habitats supporting a larger number of species of both fish andinvertebrates, hence increasing biodiversity. READ MORE

  5. 4. Distribution of Meiofaunal biodiversity and abundance in relation to development stage of the Mangrove Forest

    University essay from Lunds universitet/Examensarbeten i biologi

    Author : Matilda Hultman; [2017]
    Keywords : Biology and Life Sciences;

    Abstract : Mangrove ecosystems constitute a valuable economic resource harbouring a wide diversity of organisms and operating an essential provider of nutrients for adjoining marine ecosystems. The meiobenthic fauna (i.e. READ MORE

  6. 5. Comparison of the benthic fauna within the littoral in two affected lakes situated in central Sweden

    University essay from Mittuniversitetet/Avdelningen för naturvetenskap

    Author : John Rösth; [2016]
    Keywords : benthic fauna; biodiversity; lake; heterogeneity; phenology;

    Abstract : The benthic animals have important roles in benthic communities. Indicator organisms can tell things about a lakes status. Many of them are sensitive to acidification but there are also tolerant taxa. Some prefer eutrophic environments. READ MORE