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Full-Text Articles in Ecology and Evolutionary Biology

Data To Accompany "Plastic Heat-Avoidance Behavior In Response To Damage Of The Extended Architecture Of Mexican Jumping Bean Moth Larvae (Cydia Saltitans)", Anna Purtell, Lindsey Swierk Jan 2023

Data To Accompany "Plastic Heat-Avoidance Behavior In Response To Damage Of The Extended Architecture Of Mexican Jumping Bean Moth Larvae (Cydia Saltitans)", Anna Purtell, Lindsey Swierk

Biological Sciences Faculty Scholarship

In response to physical damage, organisms must balance physical recovery with adaptive responses to other environmental stressors. Understanding how damage and repair influence adaptive responses to high environmental temperatures is of particular interest in light of global climate change. We investigate the impact of damage and subsequent repair on heat-avoidance behaviors in Cydia saltitans larvae inhabiting host seeds (Sebastiana pavoniana) as protective structures (together colloquially known as “Mexican jumping beans”). These larvae perform temperature-dependent “jumping” or “rolling” behaviors to escape extreme heat, which are crucial for larval survival in their native arid and hot subtropical dry forests. Due …


Data To Accompany 'Diving Behavior In Semi-Aquatic Anolis Lizards Results In Heat Loss With Sex-Specific Cooling Tolerance', Alexandra M. Martin, Lindsey Swierk Jan 2023

Data To Accompany 'Diving Behavior In Semi-Aquatic Anolis Lizards Results In Heat Loss With Sex-Specific Cooling Tolerance', Alexandra M. Martin, Lindsey Swierk

Biological Sciences Faculty Scholarship

Males and females often differ in use of antipredator behaviors, particularly when antipredator behavior comes at the cost of missed mating opportunities or territory defense. When using thermally suboptimal refugia, ectotherms are especially vulnerable to these costs, as their performance is linked to body temperature. To flee from predators, semi-aquatic Anolis lizards dive underwater for long periods and rebreathe from a bubble of air. We hypothesized that using aquatic refugia would result in thermal loss, that dive duration would be influenced by sex, and that oxygen consumption when diving would help explain sex differences. We tested these hypotheses by measuring …


The Effect Of Intensified Illuminance And Artificial Light At Night On Fitness And Susceptibility To Abiotic And Biotic Stressors, Grascen Shidemantle May 2020

The Effect Of Intensified Illuminance And Artificial Light At Night On Fitness And Susceptibility To Abiotic And Biotic Stressors, Grascen Shidemantle

Biological Sciences Student Scholarship

Changing light conditions due to human activities represents an important emerging environmental concern. Although changes to natural light conditions can be independently detrimental, in nature, organisms commonly face multiple stressors. To understand the consequences of altered light conditions, we exposed a model amphibian (wood frog; Lithobates sylvaticus) to a control and two anthropogenic light conditions: intensified daytime illuminance and artificial light at night - ALAN (intensified daytime illuminance + extended photoperiod). We measured (1) metrics of fitness (hatching success as well as survival to, size at, and time to metamorphosis) (2) susceptibility (time to death) to a commonly cooccurring anthropogenic …


Parasite Susceptibility In An Amphibian Host Is Modified By Salinization And Predators, Nicholas Buss, Jessica Hua May 2020

Parasite Susceptibility In An Amphibian Host Is Modified By Salinization And Predators, Nicholas Buss, Jessica Hua

Biological Sciences Student Scholarship

Secondary salinization represents a global threat to freshwater ecosystems. Salts, such as NaCl, can be toxic to freshwater organisms and may also modify the outcome of species interactions (e.g. host-parasite interactions). In nature, hosts and their parasites are embedded in complex communities where they face anthropogenic and biotic (i.e. predators) stressors that influence host-parasite interactions. As human populations grow, considering how anthropogenic and natural stressors interact to shape host-parasite interactions will become increasingly important. We conducted two experiments investigating: (1) the effects of NaCl on tadpole susceptibility to trematodes and (2) whether density- and trait-mediated effects of a parasite-predator (i.e. …


Direct And Indirect Effects Of A Common Cyanobacterial Toxin On Amphibian-Echinostome Dynamics, Nicholas Buss, Matthew Wersebe, Jessica Hua May 2020

Direct And Indirect Effects Of A Common Cyanobacterial Toxin On Amphibian-Echinostome Dynamics, Nicholas Buss, Matthew Wersebe, Jessica Hua

Biological Sciences Student Scholarship

Wildlife diseases are emerging at unprecedented rates. While there are likely several factors at play, human-mediated environmental alterations may play a significant role. Of growing interest is the effect that microcystin-LR (MC-LR), a cyanotoxin, may have on disease outcomes. In this study, using an amphibian-trematode model we examined (1) the lethal effects of MC-LR on cercariae of trematodes; (2) the sublethal effects of MC-LR exposure on the ability for trematodes to infect green frog tadpoles; and (3) the sublethal effects of MC-LR on green frog tadpole susceptibility to trematodes. We found that environmentally-relevant concentrations of MC-LR at 50, 100, and …


Impact Of Nacl Tolerance On The Stress Physiology And Fitness Of Larval Wood Frogs (Rana Sylvatica), Grascen Shidemantle, Nicholas Buss, Jessica Hua Jan 2020

Impact Of Nacl Tolerance On The Stress Physiology And Fitness Of Larval Wood Frogs (Rana Sylvatica), Grascen Shidemantle, Nicholas Buss, Jessica Hua

Biological Sciences Student Scholarship

No abstract provided.


Phenological Shifts In Amphibian Breeding Influences Offspring Size And Response To A Common Wetland Contaminant, Nicholas Buss, Lindsey Swierk, Jessica Hua Jan 2020

Phenological Shifts In Amphibian Breeding Influences Offspring Size And Response To A Common Wetland Contaminant, Nicholas Buss, Lindsey Swierk, Jessica Hua

Biological Sciences Student Scholarship

Increases in temperature variability associated with climate change has critical implications for the phenology of wildlife across the globe. Indeed, there have been many examples of warmer winter temperatures (i.e. “false springs”) inducing forward shifts in breeding phenology. Earlier breeding can put wildlife at risk of freeze events during reproduction or vulnerable early life stages. Furthermore, in addition to temperature shifts, wildlife populations commonly encounter a wide diversity of other stressors (e.g. pollutants). As global change is predicted to increase both temperature variability and instances of pollutant contamination, understanding interactions between these stressors will become increasingly important. Using 14 populations …