Essays about: "ecological community"

Showing result 1 - 5 of 284 essays containing the words ecological community.

  1. 1. Riparian plant biodiversity and community composition of ditches and straightened streams : identifying key environmental drivers in a boreal forest setting

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

    Author : Rasmus Staaf; [2024]
    Keywords : artificial waterways; riparian zone; novel ecosystems; ; forestry; ditch network maintenance; species richness; hill-diversity; drainage ditches; coarse woody debris; ditch cleaning; ecology;

    Abstract : Modified ecosystems are typically seen as degraded and having no ecological value. In many cases, the modification of the ecosystem was done more than 100 years ago and may have had time to recover and become a refugia for species that were once more common in the landscape. READ MORE

  3. 2. Dynamic minimum flows in the bypass reach of Juktån : A post-implementation evaluation of the effects on riparian vegetation

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Walter Gezelius Gezelius; [2024]
    Keywords : Restoration; Environmental flows; riparian vegetation;

    Abstract : The purpose of the paper was to evaluate the effects of the restoration efforts in Juktån on the plant species richness and composition, vegetation zonation and soil composition. The restoration involved implementation of a dynamic flow, in addition to hydro-geomorphological alterations. READ MORE

  4. 3. The Role of Functional Traits and Trade-offs in Seasonal Succession of Phytoplankton Community Structuring : A numerical investigation of resource acquisition traits of Lake Constance

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Ayesha Nagahage; [2024]
    Keywords : Phytoplankton; resource acquisition; traits; trade-off; resource limitation;

    Abstract : Long-term ecological research in deep lakes offers valuable insights into understanding changes in trophic states and organization of phytoplankton assemblages. Utilizing five decades of phytoplankton taxonomic trait data from pre-alpine Lake Constance, a confirmed negative relationship was found between phosphate and light affinity at the annual community trait level. READ MORE

  5. 4. Exploring foreign language teachers’ professional agency in Romanian Public Secondary schools.

    University essay from Göteborgs universitet/Institutionen för pedagogik och specialpedagogik

    Author : Camelia Dragomir; [2023-10-31]
    Keywords : teacher agency; ecological theory; foreign language teaching; accountability; professional development;

    Abstract : Aim: This research aims to explore how seven foreign language teachers in a few urban public secondary schools in Romania understand and enact their professional agency and how contextual factors support or constrain its achievement. The purpose is to understand the ways in which the participants’ teaching philosophies and experiences inform their awareness and achievement of agency, what they perceive as the available contextual resources within contextual constraints, and how that reflects in their beliefs and professional aspirations. READ MORE

  6. 5. ASSESSING MICROBIAL COMMUNITY RESPONSES IN A CHEMICALLY STRESSED FRESHWATER ECOSYSTEM USING ENVIRONMENTAL DNA

    University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Author : Nicolai Laufer; [2023-06-21]
    Keywords : ;

    Abstract : Microbial communities represent the fundamental cornerstones of riverine ecosystems because they are involved in numerous processes which mediate ecosystem services. However, riverine ecosystems are currently massively altered by a variety of anthropogenic activities which includes changes in landuse and chemical pollution. READ MORE