Essays about: "test species"

Showing result 1 - 5 of 364 essays containing the words test species.

  1. 1. The Valeriana officinalis aggregate in Sweden. A preliminary study.

    University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Author : Daniel Bäck; [2023-06-30]
    Keywords : ;

    Abstract : Common valerian (Valeriana officinalis L.) is a species of flowering plants native to Europe, the roots of which have been used in folk medicine for centuries. But due to high diversity in morphology and chromosome numbers, different populations in V. READ MORE

  3. 2. Estimating historic ranges of extinct scavenging birds from North America during the late Pleistocene using co-occurrence data from the fossil record

    University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Author : Melissa Miranda; [2023-06-30]
    Keywords : Scavenging birds; Vultures; Co-occurrence Data; Range Estimates; Spatial Autoregressive Models; Co-extinction;

    Abstract : The aim of my study was to estimate and compare the historic range of nine scavenging birds from North America that went jointly extinct with their mammalian megafaunal prey in the Late Pleistocene. Although the severity and timing of their co-extinction are strongly correlated, there has been little analytical support in providing estimates for the possible geographic distribution of scavenging birds prior to the extinction event. READ MORE

  4. 3. Decreases over time in shannon diversity of land snails

    University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Author : Jens Hemming; [2023-02-15]
    Keywords : Climate change; global warming; land snails; species composition;

    Abstract : With rising temperatures as a consequence of climate change, suitable habitats for land snails in the northern hemisphere may be shifting northwards. However, there is a lack of studies that explore the latitudinal effects that climate change has on land snails. READ MORE

  5. 4. Modelling Micropollutant Removal Through Ozonation in Wastewater

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Maximiliano Andrés Oportus Foster; [2023]
    Keywords : Micropollutants; water reuse; wastewater treatment models; ozonation; computer modeling; water and environmental engineering; Technology and Engineering;

    Abstract : Proper management of water resources is a key to climate change adaptation and resilience in modern societies. Adequate treatment of wastewater is essential for ensuring the sustainability of the water cycle and the health of the environment and the ecosystems that inhabit it. READ MORE

  6. 5. Anti-Müllerskt hormon hos hanhund. Samband mellan avvikande testikelmorfologi, hormonets distribution i testikelvävnaden och koncentration i serum

    University essay from SLU/Dept. of Clinical Sciences

    Author : August Rooth; [2023]
    Keywords : Anti-Müllerskt hormon; AMH; Sertolicell; kryptorkism; immunohistokemi; testikelmorfologi; hanlig fertilitet hos hund;

    Abstract : Anti-Müllerskt hormon (AMH) är en av de första markörerna för hanlig könsutveckling i fosterstadiet hos däggdjur och fortsätter sedan att spela en stor roll för den hanliga fertiliteten. Hormonet produceras av testikelvävnadens Sertoliceller och bygger upp tubulära nätverk kallade seminiferösa tubuli, vari spermatogenesen äger rum. READ MORE