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Articles 1 - 8 of 8
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Effects Of Sex And Reproductive Condition On Behavior Of Southern Red-Backed Salamanders: Activity, Agonistic Behavior And Escape Velocity, Megan N. Mosier
Effects Of Sex And Reproductive Condition On Behavior Of Southern Red-Backed Salamanders: Activity, Agonistic Behavior And Escape Velocity, Megan N. Mosier
MSU Graduate Theses
Producing and carrying eggs is energetically costly and therefore can affect behavior. Female Southern Red-backed Salamanders (Plethodon serratus) in the Ozarks reproduce biennially, and so during the reproductive season some females are gravid and some are non-gravid. In this study, we compared the exploratory and aggressive behaviors of gravid females, non-gravid females, and males, as well as the escape velocities of each sex class. In exploratory trials, sex did not affect distance travelled, but gravid females and males showed shorter latencies to move than non-gravid females during the winter. During the aggression trials, individuals were subjected to a …
Evaluating The Effectiveness Of Self-Compassion Training With Disability Support Staff, Jessica M. Venegoni
Evaluating The Effectiveness Of Self-Compassion Training With Disability Support Staff, Jessica M. Venegoni
MSU Graduate Theses
The current study sought to evaluate the effectiveness of self-compassion training with disability support staff concurrently completing their college education for career advancement. The intervention was guided by a combined Acceptance and Commitment Therapy (ACT) and Self-Compassion training framework. The ACT Matrix was utilized within the study prior to intervention to determine values within self-compassion and to identify three behaviors to target within the weekly self-compassion training, and daily behavior report (Polk and Schoendorf, 2014). During the intervention phase, daily reported self-compassion behaviors and weekly reported self-compassion scores were collected (Neff, 2003a; Belisle et al., 2022), as well as their …
Ecological Correlates Of Alligator Snapping Turtle Bite Performance, Ashley Herrin Gagnon
Ecological Correlates Of Alligator Snapping Turtle Bite Performance, Ashley Herrin Gagnon
MSU Graduate Theses
The Alligator Snapping Turtle (Macrochelys temminckii) is one of many turtle species facing conservation challenges. Nearly extirpated in the 1980s, it is currently the subject of a head-start initiative, of which, any lasting behavioral or physiological effects were—until now—unknown! To evaluate the ability of captive-reared individuals to excel in natural habitats, and to foresee any future research or conservation challenges regarding this animal, I explored a suite of variables that influence bite performance and behaviors including captive or free-ranging status, and environmental conditions including body temperature and season. My results indicated that free-ranging M. temminckii outperform those residing …
On The Rocks: Changes In Substrate Alter Antipredator Behavior In Benthic Stream Fish, Sarah White
On The Rocks: Changes In Substrate Alter Antipredator Behavior In Benthic Stream Fish, Sarah White
MSU Graduate Theses
Natural selection should strongly favor characteristics that make prey difficult for predators to distinguish from the background, including both morphological and behavioral crypsis. The Rainbow Darter (Etheostoma caeruleum) is a small, cryptic, benthic fish that inhabits gravel-bottomed streams and is preyed upon by predators such as the benthic Knobfin Sculpin (Cottus immaculatus) and the pelagic Longear Sunfish (Lepomis megalotis). In three experiments, I tested whether the behavior of darters was influenced by the opportunity for crypticity offered by their substrate and by the presence of cues from benthic and pelagic predators. First, darters in …
The Effects Of Electrofishing On Different Life Stages Of Ozark And Eastern Hellbenders, Stephanie Kay Morrison
The Effects Of Electrofishing On Different Life Stages Of Ozark And Eastern Hellbenders, Stephanie Kay Morrison
MSU Graduate Theses
Electrofishing, a common method of freshwater fish sampling, has been shown to negatively affect some fish species, but the effects on non-target species, such as hellbenders, have not been well studied. I tested effects of electrofishing on the behavior of several life stages of captivereared Ozark (Cryptobranchus alleganiensis bishopi) and eastern (C. a. alleganiensis) hellbenders. Ozark hellbender eggs were exposed to different voltages in the laboratory, and embryos in higher voltages had higher incidences of twitching during exposures and higher numbers of morphological deformities after exposures. For hatchling Ozark hellbenders, which typically are sedentary, individuals moved more during exposure to …
Territorial Behavior In Southern Red-Backed And Ozark Zigzag Salamanders: Effects Of Sex, Species, And Ownership, Colton Savage Lynn
Territorial Behavior In Southern Red-Backed And Ozark Zigzag Salamanders: Effects Of Sex, Species, And Ownership, Colton Savage Lynn
MSU Graduate Theses
Territorial disputes are common among terrestrial woodland salamanders (genus Plethodon). Males and females of both Ozark zigzag (P. angusticlavius) and southern red-backed (P. serratus) salamanders are territorial, but differing costs and benefits between sexes may influence the expression of territorial behavior. I compared the competitive and exploratory behavior of males and females of both species in laboratory experiments. Competitive behavior was assessed through staged contests between same-sex, same-sized conspecifics. There were no differences between males and females for territory owners (residents). Female intruders were more aggressive than male intruders, spending more time in and performing higher grades …
Behavioral Responses By Cottonmouths (Agkistrodon Piscivorus) To Chemical And Visual Predator Cues, Kristen Lee Kohlhepp
Behavioral Responses By Cottonmouths (Agkistrodon Piscivorus) To Chemical And Visual Predator Cues, Kristen Lee Kohlhepp
MSU Graduate Theses
Predator detection and assessment of predation risk have important survival consequences for animals. However, responses to predatory threats can vary with different stimuli. Chemical cues are important for predator recognition but visual cues may elicit defensive responses. Cottonmouths (Agkistrodon piscivorus) exhibit an array of antipredatory behaviors that have been thoroughly characterized in response to human aggressors, but their responses to cues from other predators are poorly known. I conducted three experiments to evaluate cottonmouth responses to visual and chemical stimuli from predators and non-predators. Snakes exposed to predator chemical cues exhibited elevated tongue-flick rates compared to controls but did not …
Gaming And Aggressive Tendencies: The Effects Of Conflict Simulations On Behavior And Political Decision-Making, James Gilmore
Gaming And Aggressive Tendencies: The Effects Of Conflict Simulations On Behavior And Political Decision-Making, James Gilmore
MSU Graduate Theses
Simulations and war games have seen increasing use not only in the military, but various other agencies throughout the United States Federal Government as well. There seems to be a gap in the relevant literature examining if there are any effects on foreign policy decision-making after participating in these games, however. I deployed a survey at a local paintball place, to test for any noticeable effect on people's foreign policy preferences after they take part in a conflict simulation. The results of my research demonstrated a greater need to examine the effects of conflict simulations on decision-making processes. Some of …