Essays about: "soil"

Showing result 1 - 5 of 1804 essays containing the word soil.

  1. 1. Mercury and methyl mercury release in soil and water - their relationship with different properties in Skogaryd

    University essay from Göteborgs universitet/Institutionen för geovetenskaper

    Author : Linnéa Johansson; [2020-07-08]
    Keywords : mercury; methylmercury; demethylation; pH; dissolved oxygen and total organic content;

    Abstract : In Skogaryd research site, water samples were taken and analysed for total mercury (Hgtot) andmethylmercury (MeHg) concentration along with the pH, dissolved oxygen (DO) and total organiccontent (TOC). This to give the condition of the site before the forest is clear-cute and a part of theland rewetted to a wetland. READ MORE

  3. 2. Greenhoue gas flux over a 50-year post permafrost thaw gradient. Decomposition of soil organic carbon from the Swedish tussock tundra.

    University essay from Göteborgs universitet/Institutionen för geovetenskaper

    Author : Johan Martinelli; [2020-02-11]
    Keywords : greenhouse gas; permafrost;

    Abstract : As the globe is warming the extent of permafrost drastically decreases in the high latitudes. Upon thawthe stored soil organic carbon (SOC) undergoes rapid decomposition and is partly released as trace gasesto the atmosphere. READ MORE

  4. 3. Modelling gross primary production in semi-arid regions: effects on carbon uptake of intensive agriculture in southern Kenya

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Malin Ahlbäck; [2020]
    Keywords : Physical Geography; Ecosystem Analysis; GPP; Africa; Kenya; Land cover changes; Cropland; Remote sensing; Sentinel-2; Earth and Environmental Sciences;

    Abstract : Background and aim: Gross primary production (GPP) is the largest global carbon (C) flux and an important component for counteracting anthropogenic CO2 emissions, understanding vegetation dynamics, and sustaining universal human standards. Africa plays a prominent role in the global C cycle, though our understanding of GPP dynamics is largely hampered by a paucity of ground-based observations. READ MORE

  5. 4. Contamination analysis of the landfill Rösaberg inerta massor : Risk assessment and investigation of the contaminant distribution

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Westander Lisa; [2020]
    Keywords : Landfill; MODFLOW; Risk assessment; Site-specific guidelines; Deponi; MODFLOW; Riskbedömning; Platsspecifika riktvärden;

    Abstract : The dispersion of contaminants deriving from landfills poses a risk to the surrounding environment and human health. Old landfills are treated with extra precaution, due to their poorer construction, less stringent operation and lack information regarding the waste content. Vetlanda municipality has identified 48 old landfills. READ MORE

  6. 5. Urea’s ability to break the life cycle of Nematodirus spp. in situ : a field study on sheep in New Zealand

    University essay from SLU/Dept. of Clinical Sciences

    Author : Carolina Falkman; [2020]
    Keywords : Nematodirus; Strongyles; sheep; nematodes; urea; nitrogen; anthelmintic; resistance;

    Abstract : Nematodirus spp., along with other gastrointestinal nematodes, are a common cause of disease among sheep and remains a major animal health concern, and cause of reduced productivity for sheep farmers around the world. READ MORE