Essays about: "aquatic knowledge"

Showing result 6 - 10 of 69 essays containing the words aquatic knowledge.

  1. 6. A study of carbon, nitrogen, and biogenic silica concentrations in Cyperus papyrus, the sedge dominating the permanent swamp of the Okavango Delta, Botswana, Africa

    University essay from Lunds universitet/Geologiska institutionen

    Author : Giulia Lodi; [2022]
    Keywords : Okavango Delta; papyrus; total nitrogen; total organic carbon; biogenic silica; Earth and Environmental Sciences;

    Abstract : Okawangodeltat är södra Afrikas största våtmark och en av världens minst påverkade våtmarker. Kunskapen om hur våtmarkssystemet fungerar är begränsad, särskilt vad gäller halter av näringsämnen och omsättning av näringsämnen i de dominerande våtmarksväxterna. READ MORE

  3. 7. Leachate-Based Biotic Ligand Model for Soil : Ecotoxicological Risk Assessment of Copper for Invertebrates, Plants, and Soil Microbial Processes

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Tove Florén; [2021]
    Keywords : Tomato shoot; Barley root; Glucose induced respiration; Nitrification; Earthworm; Springtail; EC10; SSD; Regression analysis; pH dependency; Bioavailability;

    Abstract : Environmental pollution of heavy metals has become an increasing problem. Environmental risk assessments can be conducted to investigate and determine the potential risk of polluted terrestrial environments. Traditionally, risk assessments are based on total soil metal concentrations on a dry weight basis. READ MORE

  4. 8. Genomic sequencing of freshwater mussel unio tumidus using the minion

    University essay from Högskolan i Skövde/Institutionen för biovetenskap

    Author : Firouzeh Mehni; [2021]
    Keywords : ;

    Abstract : Freshwater mussels are aquatic organisms that are involved in nutrient cycling and water purification. Freshwater mussels have filtering activity and transfer nutrients and energy-rich organic compounds from the water column to the sediments. READ MORE

  5. 9. 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

  6. 10. A two-stage ditch – a source or sinks of nutrients and sediment : evaluation of sediment loss and inundation frequency

    University essay from SLU/Dept. of Soil and Environment

    Author : Sheryl Ilao Åström; [2021]
    Keywords : Two-stage ditch; geomorphology; inundation frequency; channel evolution; water quality; agricultural ditch;

    Abstract : Human-made channel systems in the agricultural landscape have received critical attention due to the dire consequences on water quality and increasing eutrophication polluting receiving aquatic systems. Trapezoidal-formed (traditional) ditches have been scrutinized and a new mitigation measure for channelized drainage systems has gained a great deal of attention i. READ MORE