Sökning: "Lycaenidae"

Hittade 4 uppsatser innehållade ordet Lycaenidae.

  1. 1. Är det storleken som räknas? : Hur påverkar värdväxtens bladform och bladstorlek äggkläckningsfrekvensen hos ägg av violett guldvinge (Lycaena helle)?

    Kandidat-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Författare :Sigrid Sjösteen; [2023]
    Nyckelord :Lycaena helle; Lycaenidae; habitat quality; Bistorta vivipara; ;

    Sammanfattning : The violet copper (Lycaena helle) is one of the most endangered butterflies in Europe, with a population pattern of steady decline despite consevation efforts. The main threat to the species is believed to be habitat fragmentation and loss due to changes in land use practices. LÄS MER

  3. 2. Den violetta guldvingens (Lycaena helle) äggläggningsplatser : - En fältstudie i Norrbottens kustlandskap

    Kandidat-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Författare :Emma Jonsson; [2020]
    Nyckelord :Violet copper; Lycaenidae; Lycaena helle; oviposition site; Bistorta vivipara;

    Sammanfattning : The violet copper (Lycaena helle) is one of Europe’s most endangered butterflies as a result of loss and fragmentation of its habitat. In order to further understand the habitat requirements of this species it is important to observe the specific characteristics of the oviposition sites. There is little research on L. LÄS MER

  4. 3. Mobility, habitat selection and population connectivity of Lycaena helle in central Sweden : implications for conservation

    Master-uppsats, SLU/Dept. of Ecology

    Författare :Hanna Modin; [2018]
    Nyckelord :Lycaena helle; violet copper; Lepidoptera; Lycaenidae; mobility; dispersal; resource selection function; habitat selection; connectivity; metapopulation; stepping stone;

    Sammanfattning : Lycaena helle is an endangered butterfly that is mainly threatened by habitat degradation and fragmentation. For all species with a fragmented distribution, knowledge about mobility, habitat requirements and connectivity is key to developing successful conservation strategies. LÄS MER

  5. 4. Habitat selection and oviposition of the endangered butterfly Scolitantides orion in Sweden.

    Master-uppsats, Institutionen för fysik, kemi och biologi; Tekniska högskolan

    Författare :Camilla Jansson; [2013]
    Nyckelord :Butterfly; conservation; habitat preferences; habitat requirements; life stages; Lycaenidae; oviposition; Scolitantides orion;

    Sammanfattning : Detailed knowledge about the habitat requirements of butterflies is vital for successful conservation. The aim of the present study was to examine the habitat requirements of the endangered butterfly Scolitantides orion on 15 sites in Östergötland, Sweden. LÄS MER