Essays about: "lotic"

Showing result 1 - 5 of 8 essays containing the word lotic.

  1. 1. 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

  3. 2. Fish sampling in lotic water : a study of the efficiency of the novel Nordic multi-mesh Stream Survey Net

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Anders Eidborn; [2017]
    Keywords : Fish sampling; NSSN; gill net; fish community;

    Abstract : A free-flowing stream can offer several ecosystem services. Fish are one of these, and are an important resource for society, both as a food source and as a biological indicator of the water quality, which gives knowledge of the overall health of the stream. The lotic environment in fresh water streams is an important habitat for many fish species. READ MORE

  4. 3. Intra and interhabitat migration in junvenile brown trout and Atlantic salmon in restored tributaries of the Vindelriver

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Matti Erikoinen; [2016]
    Keywords : migration; movement; temperature; pit-tag; electrofishing;

    Abstract : Several techniques are used to sample juvenile salmonids in lotic environments. Electrofishing is by far the most commonly used method on the Scandinavian peninsula. READ MORE

  5. 4. Barriers effect on lotic fish fauna

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Johan Rudin; [2016]
    Keywords : migration barriers; ; Lotic fish fauna;

    Abstract : Barriers in running (lotic) waters are known to have serious impacts on fish fauna that would otherwise naturally colonialize them. The two most important effects barriers have on lotic fish fauna are the blockage of fish migration routes and the reduction of water velocity. READ MORE

  6. 5. Stream channelization effects on fish abundance and species composition

    University essay from Institutionen för fysik, kemi och biologi; Tekniska högskolan

    Author : Ulf Johansson; [2013]
    Keywords : Channelization; Rheophilic species; nemoboreal streams; Nordic multi-mesh Stream Survey Net; lotic; relative abundance; fish community; limnophilic;

    Abstract : Streams are important habitats, providing shelter and feeding opportunities for a wide range of organisms. The species depending on running waters includes a wide array of fish species, using these waters for their whole or parts of their lifecycle. Streams are also the subject of different anthropogenic impact, e.g. READ MORE