Siefferman, Lynn

asu

There are 10 item/s.

TitleDateViewsBrief Description
A Test of Parental Preferences for Offspring Sex and Ornamentation in Eastern Bluebirds (Sialia sialis) 2011 1094 Avian parents protect their fledglings from predators. Given parents have limited resources, they face trade-offs when simultaneously rearing multiple offspring. Parents might favor particularly valuable offspring. Offspring characteristics influence...
Effects of social aggression on tree swallow (Tachycineta bicolor) offspring behavior and physiology 2012 1132 Territorial animals that breed in high-density environments often experience high levels of competition for resources necessary for reproduction and, thus, are likely to engage in social aggression with conspecifics. In many species, increased social...
Food Web Structure of a Subtropical South American Stream with Particular Focus on the Co-Evolution of Form and Function in an Endemic Species Flock 2012 3181 I analyzed the food web structure of the Rio Cuareim, a subtropical piedmont stream located along the Uruguay-Brazil border. I used stable isotope ratios and stomach content analysis to delineate the trophic guild structure of fishes and invertebrate...
Occupancy Modeling and Disease Susceptibility of Montane Salamander Species in Western North Carolina 2012 856 Amphibians worldwide are in a state of decline. Their declines could be caused by habitat destruction, chemical pollution, UV-B irradiation, exotic species, exploitation, climate change, and disease. Monitoring at-risk populations allows researcher...
Effects of Physicochemical Parameters and Land-Use Composition on the Abundance and Occurrence of Eastern Hellbenders (Cryptobranchus alleganiensis alleganiensis) 2013 1153 Altered landscapes have negative effects on stream habitats through altering hydrologic, sediment, and nutrient cycling regimes. These changes often reduce or displace populations of sensitive biota. The hellbender (Cryptobranchus alleganiensis) is a...
Intervention Methods for Spurring Emergent Literacy in Children Who Are Deaf or Hard Of Hearing By Hearing Parents: A Literature Review 2015 236 This thesis focuses on the methods hearing parents may employ to spur emergent literacy in their children who are deaf or hard of hearing. Children who are deaf or hard of hearing are naturally at risk for language and literacy delays. Children with ...
Consistency of Stress Hormone Profiles and Associations between Personality and Hormone Levels in a Wild Breeding Bird 2015 236 Differences in personalities similar to those in humans have been documented in wild animals; individuals differ consistently in suites of correlated traits within and across contexts. Little is known about how hormones profiles may be related to ani...
Investigation of male Golden-winged Warbler plumage traits as sexually selected ornaments 2015 172 Substantial evidence has now demonstrated that fertilization competition selects for the most effective status-signaling and female-stimulating ornaments and that females measurably benefit from choosing males with the most elaborate ornaments. Study...
Morphological and ecological causes of interspecific aggression between golden-winged and chestnut-sided warblers. 2015 67 Interspecific aggression is widespread throughout the animal kingdom, yet research that documents the evolutionary and ecological consequences remains limited and unclear. Aggressive behaviors are often indicative of an ecological niche overlap betwe...
Influence Of Human Activity On The Stress-Hormone Levels And Nestling Growth Of Wild Breeding Tree Swallows 2016 9 Anthropogenic disturbance can influence the physiology of individuals in wild breeding populations and have consequences for population ecology and conservation biology. The response to stressors in daily life is mediated by the hypothalamo-pituitary...