Essays about: "nutrients"

Showing result 1 - 5 of 704 essays containing the word nutrients.

  1. 1. Forest regeneration and edge effects : an ecophysiological analysis after gap-cutting

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Tyra Tornberg; [2023]
    Keywords : Regeneration; Edge effects; Edge zone; Continuous cover forestry; Gap-cutting; Isotope analysis; 15N; Nitrogen; Carbon;

    Abstract : As continuous cover forestry is an ongoing topic in todays forest debate, questions are raised about eventual issues connected to the management. It is known that seedling performance can be poor near the edge of harvested areas, and around retained trees. This is a critical issue in transitioning toward continuous cover forestry. READ MORE

  3. 2. Impact of Sea Surface Temperature and Salinity on Phytoplankton blooms phenology in the North Sea

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Krystyna Muszel; [2023]
    Keywords : Geography; GIS; North Sea; phytoplankton; bloom; phenology; remote sensing; TIMESAT software; Earth and Environmental Sciences;

    Abstract : Various environmental forcings can affect phytoplankton blooms, resulting in changes in bloom timing and abundance, which can have many far-reaching consequences. Understanding bloom phenology is crucial to predict and counter any potential harmful changes. READ MORE

  4. 3. OFFSHORE WIND POWER CO-OPERATED GREEN HYDROGEN AND SEA-WATER OXYGENATION PLANT: A FEASIBILITY CASE STUDY FOR SWEDEN

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Maja Nilsson; [2023]
    Keywords : Offshore power; Hydrogen production; Sweden; Oxygenation plant; electrolysis;

    Abstract : The world energy production, transformation, storage, and usage are under a dramatic change. Actions are being taken by Governments to slow down the effects of the climate change. Wind energy is expected to be a central pillar for this change. READ MORE

  5. 4. High-loaded thermophilic anaerobic digestion of mixed sewage sludge : A pilot study

    University essay from Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

    Author : Santiago Elejalde Bolaños; [2022]
    Keywords : thermophilic anaerobic digestion; volatile fatty acids; mixed sludge; organic loading rate; alkalinity; wastewater treatment plant; termofil rötning; flyktiga fettsyror; blandslam; organisk belastning; alkalinitet; avloppsreningsverk;

    Abstract : Municipal wastewater treatment plants (WWTP) are important infrastructural components in a society and also important for sustainability. In a WWTP the most common treatment configuration is mechanical, biological, and chemical treatment of the wastewater. READ MORE

  6. 5. Biochar from separated digestate and pig manure as soil amendment

    University essay from SLU/Dept. of Soil and Environment

    Author : Lovisa Nissen; [2022]
    Keywords : separation; screw press; incubation study; CO2 emission; N mineralization;

    Abstract : The situation in and around the Baltic Sea, with large areas with hypoxia in the sea and areas in the watershed with a high concentration of animal farms, has led to a need to increase the nutrient recycling of animal manure. High levels of phosphorus (P) in the soil lead to leaching, and by reducing the P-level in organic fertilizers, this leaching can be reduced. READ MORE