Conservation Amidst Complexity: Strategic Approaches to Informed Decision-Making for Management of a Rare Salamander

Conservation Amidst Complexity: Strategic Approaches to Informed Decision-Making for Management of a Rare Salamander. Navis, C. J. Ph.D. Thesis, University of Georgia, Athens, Georgia, USA, 2025.
abstract bibtex

The conservation of rare and data-deficient species with highly complex and plastic life histories can present a particularly difficult challenge to wildlife managers. When data are limited but conservation status drives the need for prompt intervention, it can be difficult to weigh alternate management approaches and predict anticipated outcomes. In this dissertation I present multiple components of varied research to better understand and guide management decisions for the conservation of Striped Newts in the southeastern United States. In Chapter 2, I contextualize this research and situate it in place by examining the interconnected human and ecological histories of a tract currently managed for species conservation in southwestern Georgia. In Chapter 3, I use data from observational field research to fill gaps in knowledge on the dynamics of a Striped Newt population in Georgia. In Chapter 4 I use ex situ and in situ experiments to evaluate postrelease outcomes of common captive rearing and repatriation strategies and reveal carryover effects of captivity on Striped Newt development after release. Chapters 5 and 7 address practical considerations related to captive husbandry of Striped Newts; Chapter 5 covers outcomes and lessons from a pilot experiment to reduce development consequences of captivity on Striped Newts through use of outdoor mesocosms, and in Chapter 7 I report the first protocol shown to eliminate Batrachochytrium dendrobatidis in infected captive Striped Newts. In Chapter 6 I combine results from other studies in this dissertation and other best available data to develop a population viability model with utility in guiding conservation decisions between alternate management strategies and in identifying priority areas for further research.

@phdthesis{navis_conservation_2025,
	address = {Athens, Georgia, USA},
	type = {Ph.{D}. {Dissertation}},
	title = {Conservation {Amidst} {Complexity}: {Strategic} {Approaches} to {Informed} {Decision}-{Making} for {Management} of a {Rare} {Salamander}},
	abstract = {The conservation of rare and data-deficient species with highly complex and plastic life histories can present a particularly difficult challenge to wildlife managers. When data are limited but conservation status drives the need for prompt intervention, it can be difficult to weigh alternate management approaches and predict anticipated outcomes. In this dissertation I present multiple components of varied research to better understand and guide management decisions for the conservation of Striped Newts in the southeastern United States. In Chapter 2, I contextualize this research and situate it in place by examining the interconnected human and ecological histories of a tract currently managed for species conservation in southwestern Georgia. In Chapter 3, I use data from observational field research to fill gaps in knowledge on the dynamics of a Striped Newt population in Georgia. In Chapter 4 I use ex situ and in situ experiments to evaluate postrelease outcomes of common captive rearing and repatriation strategies and reveal carryover effects of captivity on Striped Newt development after release. Chapters 5 and 7 address practical considerations related to captive husbandry of Striped Newts; Chapter 5 covers outcomes and lessons from a pilot experiment to reduce development consequences of captivity on Striped Newts through use of outdoor mesocosms, and in Chapter 7 I report the first protocol shown to eliminate Batrachochytrium dendrobatidis in infected captive Striped Newts. In Chapter 6 I combine results from other studies in this dissertation and other best available data to develop a population viability model with utility in guiding conservation decisions between alternate management strategies and in identifying priority areas for further research.},
	school = {University of Georgia},
	author = {Navis, Corrie J.},
	year = {2025},
}

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In Chapter 2, I contextualize this research and situate it in place by examining the interconnected human and ecological histories of a tract currently managed for species conservation in southwestern Georgia. In Chapter 3, I use data from observational field research to fill gaps in knowledge on the dynamics of a Striped Newt population in Georgia. In Chapter 4 I use ex situ and in situ experiments to evaluate postrelease outcomes of common captive rearing and repatriation strategies and reveal carryover effects of captivity on Striped Newt development after release. Chapters 5 and 7 address practical considerations related to captive husbandry of Striped Newts; Chapter 5 covers outcomes and lessons from a pilot experiment to reduce development consequences of captivity on Striped Newts through use of outdoor mesocosms, and in Chapter 7 I report the first protocol shown to eliminate Batrachochytrium dendrobatidis in infected captive Striped Newts. 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