Browsing by Author "Voelker, Gary"
Now showing items 1-20 of 22
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Maldonado, Alejandra (2018-11-26)Migratory songbirds have seen significant population declines over the last several decades. One threat to songbird populations may be due to adverse health effects of legacy contaminants such as organochlorine pesticides ...
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Avian Haemosporidians: Detection, Host, and Climate Association Across Contrasting Regions of Africa Harvey, Johanna Alexandra (2018-01-23)Avian haemosporidians make up one of the most widely distributed and diverse vector borne parasite systems, found nearly worldwide. While there has been growth in the use of avian haemosporidians as a model system for ...
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Galan, Aleyda Patricia (2016-12-06)Texas is a large state comprised of 10 ecological regions that provide diverse habitats to a variety of organisms. Stewardship programs throughout the state maintain healthy habitats for organisms to occupy; yet often these ...
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Klassen, Jessica Anne (2012-07-16)Habitat disturbances play a major role in wildlife distribution. Disturbances such as loss of breeding habitat and fragmentation are of particular concern for Neotropical migrant songbird populations. Additionally, ...
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Hutchinson, Mark Ryan (2016-07-21)A large majority of migratory bird research has focused on activities on the breeding grounds, but migratory birds spend most of the year engaged in non-breeding activities. To complete some of the knowledge of each bird’s ...
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Martinez, Viridiana (2023-07-13)In this dissertation, I investigated the health of wild birds by focusing on various aspects of both the hormonal stress response and its effects on the immune system. The adrenocortical stress response can predict both ...
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Robinson, Dianne Hali (2013-04-24)Habitat fragmentation and isolation can result in decreased occupancy and reproductive success within songbirds, particularly for species inhabiting urban environments where suitable habitat may be limited. The golden-cheeked ...
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Drovetski, Sergei V; Semenov, Georgy; Drovetskaya, Sofya S; Fadeev, Igor V; Red'kin, Yaroslav A; Voelker, Gary (Ecology and Evolution, 2013)
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Takano, Oona Mariko (2016-10-07)Parasitic chewing lice (Insecta: Phthiraptera) of birds are found everywhere their avian hosts are distributed, and their host relationships and taxonomy have been well studied in many regions. Lice have obligate parasitic ...
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Huntley, Jerry Wallace (2017-06-27)The biogeographical history of the Afro-tropical Guineo-Congolian lowland forests during the Plio-Pleistocene is characterized by pervasive fragmentation-coalescence cycling due to global climatic oscillations. Vicariance ...
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Kubicek, Kole Matthew (2020-11-10)Catfishes (Otophysi: Siluriformes) is a remarkably diverse assemblage (~4000 spp) that is distributed across the globe in fresh and marine waters. Catfishes are united by several modifications of the skeleton, including ...
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King, Cragen Danielle (2017-12-12)Currently, there are roughly 170 species of clingfishes (family Gobiesocidae) divided between ten subfamilies in a “phenetic” classification scheme proposed over 60 years ago. Recently, an alternative classification scheme ...
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Voelker, Gary; Light, Jessica E (BMC Evolutionary Biology, 2011)
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Palacios Mejia, Maura Evelyn (2017-05-01)Phylogeography aims to understand the formation of species across space and time. Freshwater fishes are studied because they strongly reflect historical and ecological changes in a region. The objective of this dissertation ...
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Kim, Dae Min (2013-09-16)The longnose dace, Rhinichthys cataractae, is a primary freshwater fish inhibiting riffle habitats in small headwater rivers and streams across the North American continent, including drainages east and west of the Continental ...
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Welborn, Sarah (2012-10-19)The Baird’s pocket gopher (Geomys breviceps) is a solitary, fossorial rodent found throughout areas of Texas, Arkansas, Oklahoma, and Louisiana. Research focusing on the population genetics of pocket gophers and other ...
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Nessner, Caitlin Elizabeth (2014-04-30)Geomydoecus ewingi is a relatively well-known chewing louse that parasitizes the pocket gopher Geomys breviceps in the rodent family Geomyidae. Pocket gophers have been documented to exhibit long-term associations with ...
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Palacios, Maura; Arias-Rodriguez, Lenin; Plath, Martin; Eifert, Constanze; Lerp, Hannes; Lamboj, Anton; Voelker, Gary; Tobler, Michael; Johnson, Norman (PloS One, 2013)
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Diehl, Benjamin (2012-10-19)The North American antlion genus Paranthaclisis is comprehensively revised for the first time. Four species are recognized: P. congener (Hagen), P. floridensis Stange & Miller, P. hageni (Banks) and P. nevadensis Banks. ...
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Jones, Joshua R. (2014-11-24)The family Ascalaphidae, or owlflies, is a cosmopolitan and charismatic but poorly-understood and taxonomically ill-organized family of Neuroptera (lacewings). Prior to this work, it comprised approximately 450 valid ...