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 8 of 8 for “"Damselfly."”.
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Variation in fluctuating asymmetry among nine damselfly species.
… stresses. However, comparisons of FA in single damselfly species (Odonata: suborder Zygoptera) from stressed environments have often been inconclusive. We measured levels of FA among multiple species of damselflies from the same environment to determine the relative roles of environmental stress …
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The Effects of Odonates on a Littoral Prey Community
… and absence or presence of dragonfly or damselfly larvae. Prey organisms were sampled with duplicated samples once a week. Statistical analyses indicated a lack of significant predator effects on both the the density and population dynamics of prey whereas replicated enclosures accounted …
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Host-Parasite Interactions Within Food Webs
… acquisition affected a critical component of damselfly immune function, the phenoloxidase (PO) cascade. I found that neither direct density-mediated effects, indirect, trait-mediated effects, nor combined effects of predators via natural selection affected total PO activity. Instead, PO levels …
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Optimization of communication intensive applications on HPC networks
… approach, a functional modeling tool (called Damselfly), and a PDES-based packet level simulator (called TraceR), all of which are described in this thesis.
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Biodiversity and Phenology of the Epibenthic Macroinvertebrate Fauna in a First Order Mississippi Stream
… of beetles, five species of dragonflies, one damselfly species and two species of megalopterans, including the hellgrammite, <em>Corydalus cornutus</em>. All of the stoneflies collected were members of the family Perlidae; as later instars perlids are predators on aquatic insects. The stonefly …
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Assessing the Effects of Chronic Neonicotinoid Insecticide Exposure on Aquatic Insects using Multiple Experimental Approaches
… and non-biting midge (Diptera: Chironomidae) and damselfly (Odonata: Zygoptera) emerged significantly earlier than the controls (18 to 25 days earlier). An additional limnocorral study with clothianidin was inconclusive. While laboratory and limnocorral studies were useful to isolate neonicotinoid …
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Population genetic structure of Antarctic springtails (Collembola) and New Zealand damselflies (Odonata)
… the genetic variability of the New Zealand damselfly genera (Odonata) from sites throughout the North, South and Chatham islands using both allozyme and mtDNA analyses. All morphologically recognized species were clearly discernible on the basis of both mtDNA and allozymes. However, …
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Aspects of infraspecific phylogeography of Calopteryx splendens
… (1782) (Odonata: Calopterygidae) is a widespread damselfly, found in most of Europe, large parts of Siberia and much of west and central Asia. There is great variation among males in wing coloration. Traditionally subspecific taxa have been distinguished by the size and position of the pigmented …