Essays about: "microhabitat"

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

  1. 1. Relations between tree and habitat characteristics and the epiphytic lichen flora on oak : a case study from Lövön, Bohuslän

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Julia Siegel; [2023]
    Keywords : Epiphytic lichens; Tree characteristics; Habitat characteristics; Oak; Biodiversity; Natural values; Light availability;

    Abstract : Oak-rich forests and wooded pastures harbor diverse and distinct epiphytic lichen flora with many rare and threatened species. As these habitats have been subject to a substantial decline and degradation over the past centuries, oak woodlands have progressively come into focus for preservation. READ MORE

  2. 2. Physical microhabitat requirements for Margaritifera margaritifera and the influence of hydro- and morphodynamics on mussel bed stability

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

    Author : Tove Westberg; [2020]
    Keywords : Stream restoration; Freshwater pearl mussel; Microhabitat requirements; Sediment transport; Mussel translocation;

    Abstract : Margaritifera margaritifera is an endangered freshwater pearl mussel with population declines throughout its Holarctic range. Boulder-bed channels with little input of fine sediment in previously channelized streams are abundant in Sweden. Hence, restoration efforts for M. READ MORE

  3. 3. On the roles of schooling, colour and body size for thermoregulatory capacity in aquatic ectotherms

    University essay from Linnéuniversitetet/Institutionen för biologi och miljö (BOM)

    Author : Alexandra Karatza; [2019]
    Keywords : ;

    Abstract : For ectothermic organisms, both terrestrial and aquatic, the environmental temperature is imperative for their metabolic processes and finally for their growth and fitness. Previous research have shown that aquatic ectothermic organisms through the process of sun basking, were able to increase their body temperature in comparison with the one of the surrounding water. READ MORE

  4. 4. General factors that regulate survival among ectotherms at northern latitudes: a study of sand lizard, Lacerta agilis, habitat in southern Sweden

    University essay from Högskolan i Halmstad/Akademin för ekonomi, teknik och naturvetenskap

    Author : Kalle Wahlbäck; [2019]
    Keywords : ;

    Abstract : Open sand habitats in Sweden has been declining for the past century and this is mirrored by the increasing fragmentation and attenuation of species bound to these habitats. Many threatened species coexist in the same habitats as sand lizards, habitats best described as warm sites with a long continuity. READ MORE

  5. 5. AHA in northern Sweden – a case study : conservation values of deciduous trees based on saproxylic insects

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

    Author : Marja Fors; [2015]
    Keywords : saproxylic; Coleoptera; Diptera; Hymenoptera; microhabitat; dead wood; biodiversity assessment; AHA-method;

    Abstract : AHA is a Swedish abbreviation of "reveal threatened park and avenue trees" and is a method to assess the conservation value of individual trees, mainly in the park environments but also in natural stands. This method has previously only been practiced in southern Sweden (Sörensson 2008). READ MORE