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Environmental Development of the External Genitalia
(East Carolina University, 2018-07-24)
Hypospadias is one of the most common birth defects in the world. The incidence of hypospadias has nearly doubled over the past 50 years and now occurs on average in 1 in 125 male newborns each year. Hypospadias is a ...
Androgen and progesterone receptor knockouts in Danio rerio affect aggression and social dominance (part 1)
(East Carolina University, 2018-12-07)
It is well known that competition for the basic resources of food, shelter, and mates will always exist in nature. The most prevalent method of competing for such resources is aggression and social dominance. There is ...
SALT MARSH MOSQUITO DITCH ALTERATIONS: ECOLOGICAL IMPACTS AND PERSPECTIVES IN MANAGEMENT DECISIONS
(East Carolina University, 2018-12-10)
Salt marsh ecosystems are prized for the numerous ecological and economic services that benefit society. On the U.S. east coast, virtually all salt marsh habitat from Maine to Virginia has been hydrologically degraded by ...
Carbon Budget of an Eastern North Carolina Pocosin Following Nutrient Gradient Manipulation
(East Carolina University, 2018-12-06)
Wetlands store ~25-30% of the earth's soil pool of carbon. Seventeen percent of the US' wetlands are found in North Carolina (NC) where 70% of NC's freshwater wetlands are pocosin peatlands. Pocosins are known for thick ...
Poison frog warning signals: From the rainforest to the genome and back again
(East Carolina University, 2018-06-18)
Signal communication is pervasive in nature and is used to convey information to both conspecifics and heterospecifics. Aposematic species use warning signals (e.g. bright coloration) to alert predators to the presence of ...
Adaptation in a Changing World: Evolutionary mechanisms of salt tolerance in a coastal amphibian
(East Carolina University, 2018-07-20)
In order to predict evolutionary outcomes of environmental change on populations in nature, we need an improved understanding of the biological mechanisms that affect whether organisms will adapt to a changed environment. ...
VOCAL COMMUNICATION AND ACOUSTIC MONITORING OF THE KING RAIL (Rallus elegans)
(East Carolina University, 2018-05-02)
Rare and elusive species present a challenge for researchers, and are consequently often overlooked in evolutionary and behavioral studies. The King Rail, Rallus elegans, is a secretive marsh bird considered globally ‘Near ...
Behavioral syndromes and their effect on dispersal in Notonecta irrorata
(East Carolina University, 2018-04-23)
Dispersal is an important life-history characteristic for many organisms, including in the genus of back-swimming insect Notonecta. The propensity to disperse is a behavior that might be affected by an individual's other ...
Hickory Shad Alosa mediocris (Mitchill) Stock Identification Using Morphometric and Meristic Characters
(East Carolina University, 2018-05-02)
The Hickory Shad Alosa mediocris is an anadromous fish species of the family Clupeidae. Little is known about its distribution, life history, and status. Adult Hickory Shad are found seasonally during spring spawning in ...