Essays about: "shredders"

Found 5 essays containing the word shredders.

  1. 1. Seasonal community dynamics of macroinvertebrates in an Arctic stream

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

    Author : Ellinor Jakobsson; [2019]
    Keywords : Macroinvertebrates; Arctic; seasonality; community composition; Abisko;

    Abstract : Arctic ecosystems are amongst the most vulnerable on Earth to ongoing climate change. While the responses to these changes are well studied on land, less is known about how aquatic communities may respond to a warmer arctic. READ MORE

  3. 2. Seasonal community dynamics of macroinvertebrates in an Arctic stream

    University essay from

    Author : Ellinor Jakobsson; [2019]
    Keywords : Macroinvertebrates; Arctic; seasonality; community composition; Abisko;

    Abstract : Arctic ecosystems are amongst the most vulnerable on Earth to ongoing climate change. While the responses to these changes are well studied on land, less is known about how aquatic communities may respond to a warmer arctic. READ MORE

  4. 3. Decomposition of leaf litter in headwater streams. : Effects of changes in the environment and contribution of microbial and shredder activity on litter decomposition.

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

    Author : Johan Lidman; [2015]
    Keywords : Leaf-litter decomposition; headwaters; microbial decomposition; shredders; ecosystem adaptation;

    Abstract : Headwaters, which are the most common stream order in the landscape, are mostly dependent on energy produced in the terrestrial system, largely consisting of leaf litter from riparian vegetation. The aim of this study was to investigate the decomposition in headwaters of leaf litter from three native (alder, birch, spruce) and one non-native (lodgepole pine) species and how decomposition responds to changes in the environment. READ MORE

  5. 4. Kartläggning av spånprodukter vid Sävar såg

    University essay from SLU/Dept. of Forest Resource Management

    Author : Axel Ekström; [2012]
    Keywords : Fukthalt; form; partikelstorlek; fraktionsfördelning; värmevärde;

    Abstract : A change towards using more biofuels than fossil fuels is taking place in Sweden, and in many other parts of the world. This makes the use of fuel pellets increasingly popular, causing a greater demand for sawmill sawdust products. There is a trend towards the use of multiple types of shredders, instead of a single type in each sawmill. READ MORE

  6. 5. Grovkrossning av stubbar : en produktivitetsstudie

    University essay from SLU/Dept. of Forest Resource Management

    Author : Mattias Bertilsson; [2011]
    Keywords : Stubbar; stubbkrossning; krossmaskiner; tidsstudie; fabrikat;

    Abstract : The Swedish parliament has decided that Sweden should increase its usage of renewable fuel sources to a level of 50% of the total energy consumption in Sweden by the year 2020. One way to reach that goal may be to increase the usage of stumps as a bio-fuel. READ MORE