Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 5 of 5 for “"Fritillary"”.
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Conservation biology of the marsh fritillary butterfly Euphydryas aurinia
The conservation biology of Euphydryas aurinia was investigated, analysing its metapopulation dynamics, interactions with parasitoids and the efficacy of habitat restoration. Euphydryas aurinia has undergone a widespread national decline in recent years. This decline is quantified at a 10km scale. …
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The Falkland fritillary: biological and ecological factors in the conservation of Yramea cytheris cytheris (Drury 1773).
This thesis aims to address gaps in the knowledge of the Falkland Islands' only resident butterfly, Yramea cytheris cytheris (Drury 1773), and thereby to contribute to an evidence-based approach to its conservation. Sightings had been infrequent, and its distribution, life cycle, habitat …
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Maculinea arion as an indicator of rare niches in semi-natural acid grasslands in South West England and the role of Myrmica species of ant
… restoration site including the Pearl-bordered Fritillary, Boloria euphrosyne and the Small Pearl-bordered Fritillary, Boloria selene. The increase in these two butterfly species coincided with an increase in Viola riviniana, a food plant of these two Boloria species, and ants of the genus …
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Parc Penallta Phase 1 Habitat Survey and Implications for Management
… succession. Rare species such as the Marsh Fritillary butterfly and the Deptford Pink are found in the park; a testament to the importance of appropriate management in order to protect the habitats for these important species. The Phase 1 methodology however is not without its limitations, …
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Characterizing the populaton biology and life history of Speyeria adiaste clemencei
<p>In this thesis, the life history and population biology of an endemic and declining California butterfly, Speyeria adiaste clemencei (Comstock, 1925) is described from Chews Ridge, Monterey Co., CA. S. a. clemencei can be successfully reared on commercially available Viola spp., facilitating …