Essays about: "moderate productivity sites"

Found 4 essays containing the words moderate productivity sites.

  1. 1. Comparison of native and introduced tree species in a range from low to high productivity sites in southern Sweden

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Gailene Brazaityte; [2023]
    Keywords : introduced tree species; low productivity sites; moderate productivity sites; high productivity sites; Picea abies; Pinus sylvestris; Betula pendula; Picea glauca; Picea mariana; Picea sitchensis; Pinus contorta; Pseudotsuga menziesii; Abies grandis; Populus balsamifera; Larix x eurolepis; Populus tremula × Populus tremuloides;

    Abstract : The dilemma of climate change, biodiversity conservation and economic efficiency in nowadays forestry leads us to search for the new solutions. Introduction of non-native tree species becomes a more frequently explored field as a solution for the future problems. READ MORE

  3. 2. 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

  4. 3. The effects of livestock grazing on semi-natural grassland communities along an elevational gradient in Norway

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Ieva Petrauskaitė; [2020]
    Keywords : grazing intensity; elevational gradient; plant communities; species-specific responses; functional group responses; temporal variation;

    Abstract : Moderate livestock grazing is often identified as a useful management tool for sustaining biodiverse grassland communities and has long been practiced in Scandinavian mountains. Despite of a growing number of studies focusing on grazing effects along elevational gradients worldwide, there is still limited knowledge of how grazing intensity varies over time and how it affects plant communities on species and functional group level. READ MORE

  5. 4. Land Surface Phenology as an indicator of performance of conservation policies like Natura2000

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Gunjan Sharma; [2016]
    Keywords : MODIS NDVI; Natura2000; Land Surface Phenology LSP ; ecological indicators; TIMESAT; trend analysis; GEM; Earth and Environmental Sciences;

    Abstract : Considering the growing pressure on various ecosystems all around the world, the development of ecological indicators for assessing the health and condition of the ecosystems has become an integral part of environmental management and policy making efforts. Such indicators do not only simplify the complex ecosystem processes but can also act as a measure of performance of a conservation policy. READ MORE