Essays about: "importance of trees."

Showing result 11 - 15 of 230 essays containing the words importance of trees..

  1. 11. Ecosystem services from woody vegetation in East African rangelands

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

    Author : Anna Linnéa Elisabeth Swärd; [2023]
    Keywords : dryland ecosystems; rangelands; rangelands; woody vegetation; restoration; Karamoja; West Pokot; pastoralists; agro-pastoralists; East Africa;

    Abstract : Drylands cover nearly half of the Earth's land surface and are dominated by croplands and rangelands. Dryland ecosystems worldwide are affected by land degradation. Increased population pressure, climate change and unsustainable land use threaten essential ecosystem services and adversely impact people’s livelihoods and well-being. READ MORE

  3. 12. Ecosystems Services in swidden agriculture in the Peruvian tropical Andes : the Kechwa-Lamas farm-forestry system

    University essay from SLU/Dept. of Urban and Rural Development

    Author : Geannine Gisset Chabaneix Portocarrero; [2023]
    Keywords : swidden agriculture; ecosystem services; Peru; Amazon;

    Abstract : In the Amazon, life supporting services are importantly associated to forest areas. Nevertheless, the connection of ecosystem services to agricultural systems it is also of great importance, because agriculture is one of the most important causes of degradation and loss of these areas. READ MORE

  4. 13. The design of a hydraulic equalizer bar for the feeding mechanism on forest harvester heads

    University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Author : Arvid Söderlund; [2023]
    Keywords : Harvester; Harvester head; Komatsu Forest; Hydraulics; Equalizer bar; Parallellstag; Stag; Skogsmaskin; Skördare; Aggregat; Skog;

    Abstract : Due to the importance of a correct tree placement and the wear that occurs to equalizer bars inharvester heads, Komatsu Forest AB in Umeå was interested if the bar could be replaced with ahydraulic system. According to Komatsu, the problems were that the equalizer bars that are responsible forsynchronizing the delimbing knives and feeding mechanism add weight, take up space and have atendency to break before their life expectancy. READ MORE

  5. 14. Betydelsen av artvariation i Malmös alléer : artvariation på olika skalor för förebyggandet av sjukdomar och skadegörare

    University essay from SLU/Dept. of Landscape Architecture, Planning and Management (from 130101)

    Author : Jennifer Eliasson; [2023]
    Keywords : trädsjukdom; skadegörare; almsjukan; asiatiska långhorningen; matt stjärnhimmelsbock; urban miljö; växtval; artvariation; heterogena alléer; landskapsarkitektur;

    Abstract : Trädsjukdomar som almsjukan påverkade och medgav stora förluster i trädbeståndet i många av världens städer. I Malmös offentliga miljö försvann närmare 40 000 almar inom loppet om 30 år. READ MORE

  6. 15. Explainable Machine Learning in Cardiovascular Diagnostics

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Alexander Gutell; Ludvig Skare; [2023]
    Keywords : ;

    Abstract : The major challenges in implementing machine learning models in medical applications stemfrom ethical and accountability concerns, which arise from the lack of insight and understandingof the models' inner workings and reasoning. This opaqueness has resulted in the emergenceof a new subfield of machine learning called Explainability, which aims to develop and deploymethods to gain insight into how input data is weighted and propagated through a machinelearning algorithm. READ MORE