Essays about: "biodiversity"

Showing result 1 - 5 of 681 essays containing the word biodiversity.

  1. 1. Effekter av klimatförändringar på växtplankton i subarktiska och alpina sjöar

    University essay from SLU/Dept. of Aquatic Sciences and Assessment

    Author : Matilda Lundström; [2019]
    Keywords : Fosfor; Växtplanktonbiomassa; Diversitet; Oligotrofiering; Temperatur;

    Abstract : The aim of this report was to determine how the climate change affects the ecosystems in alpine and subarctic lakes in Sweden. This was done by analyzing data from environmental monitoring of 14 subarctic and alpine lakes that was part of the national time-series lake monitoring program. READ MORE

  3. 2. Saproxylic beetles in Populus tremula fauna depots - how do you construct the best depot?

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Simon Selberg; [2019]
    Keywords : aspen; populus; tremula; saproxylic; beetle; fauna; depot; species; richness; abundance; diversity; cwd; course; woody; debris; forest; asp; populus; tremula; vedlevande; skalbagge; fauna; depå; art; mångfald; diversitet; död; ved; cwd; skog;

    Abstract : The biodiversity of saproxylic organisms and in the case of this study, saproxylic beetles, is dependent on the amount and quality of course woody debris (CWD) in the environment. Over the past decades the quantity of CWD in Swedish forests has increased, yet the quality has decreased, forests are managed and exploited, and old-growth forests are rarer. READ MORE

  4. 3. Skyddade träd i kyrklig kulturmiljö : förvaltning av trädens kulturhistoriska värden, biologiska värden och säkerhet

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

    Author : Camilla Ringdahl; [2019]
    Keywords : trädinventering; trädbestånd; allé; gamla träd; kyrkogård; kulturhistoria; biologisk mångfald; riskträd; trädvård; trädföryngring;

    Abstract : Trees, and usually old trees, occur in many cemeteries and are important as they contribute with different values. This work focuses on two of these values, cultural-historical values and biological values as well as safety that is a significant factor in tree management. READ MORE

  5. 4. Ekologisk påverkan och förvaltning av en invasiv art – den amerikanska minken

    University essay from SLU/Dept. of Animal Environment and Health

    Author : Michelle Entesarian; [2019]
    Keywords : mink; neovision; ekologi; invasiv; artrikedom; förvaltning; strategier; fångredskap;

    Abstract : Den Amerikanska minken (Neovison vison) är troligen främst känd för att vara ett djur som föds upp inom pälsindustrin för dess eftertraktade skinn, men minken har även en roll i ekosystemet. När minken befinner sig utanför sitt hemland utgör den däremot ett hot mot ett flertal arter, vilket är viktigt att ta hänsyn till för att bevara den biologiska mångfalden. READ MORE

  6. 5. A study of the preliminary National Forest Inventory in Georgia : with special emphasis on degraded vs. non-degraded forest

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Rahel Beil; [2019]
    Keywords : National forest inventory; Georgia; forest degradation; methodology review;

    Abstract : The South Caucasus and particularly Georgia are known as a “biodiversity hotspot” because of their unique flora and fauna which holds an outstanding amount of endemic species. Knowing this flora and fauna is crucial to protect it, but also to manage the natural resources it holds. READ MORE