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Year Published: 2019

Comparing ecological models

No abstract available.

Hooten, Mevin; Cooch, Evan G.

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Year Published: 2019

Effects of the neonicotinoid insecticide clothianidin on southern leopard frog (Rana sphenocephala) tadpole behavior

Neonicotinoid insecticides are highly water soluble with relatively long half-lives, which allows them to move into and persist in aquatic ecosystems. However, little is known of the impacts of neonicotinoids on non-target vertebrates, especially at sublethal concentrations. We evaluated the effects of the neonicotinoid clothianidin on the...

Holtswarth, J. N.; Rowland, F. E.; Puglis, Holly J.; Hladik, Michelle; Webb, Elisabeth B.

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Year Published: 2019

Distribution and status of trout and char in North America

No abstract available.

Budy, Phaedra; Rogers, Kevin B.; Kanno, Yoichiro; Penaluna, Brooke E; Hitt, Nathaniel; Thiede, Gary P.; Dunham, Jason; Mellison, Chad; Somer, William; DeRito, James

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Year Published: 2019

Population estimates of Antillean manatees in Puerto Rico: An analytical framework for aerial surveys using multi-pass removal sampling

Effective management of the threatened Antillean manatee (Trichechus manatus manatus) in Puerto Rico requires reliable estimates of population size. Estimates are needed to assess population responses to management actions, and whether recovery objectives have been met. Aerial surveys have been conducted since 1976, but none adjusted for imperfect...

Collazo, Jaime A.; Krachey, M.J.; Pollock, K.H.; Pérez-Aguilo, F.J.; Zegarra, J.P.; Mignucci-Giannoni, A.A.

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Year Published: 2019

Demographic factors affecting population growth in giant gartersnakes

Demographic models provide insight into which vital rates and life stages contribute most to population growth. Integral projection models (IPMs) offer flexibility in matching model structure to a species’ demography. For many rare species, data are lacking for key vital rates, and uncertainty might dissuade researchers from attempting to build a...

Rose, Jonathan P.; Ersan, Julia; Wylie, Glenn D.; Casazza, Michael L.; Halstead, Brian J.

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Year Published: 2019

Ecological health indicators

Contemporary policymakers rarely stress ecological knowledge, and yet this knowledge remains crucial—just as it was in prehistory—to protecting overall human well-being. Measuring carefully selected ecological health indicators—that is, signs or symptoms, especially those focused on biotic assemblages—can provide insights into the...

Angermeier, Paul L.

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Year Published: 2019

Trade-offs relating to grassland and forest mine reclamation approaches in the central Appalachian region and its implications for the songbird community

Surface mining in the Appalachian region, USA, converts large areas of mature forest to early-successional habitat. This shift in landscape structure has the potential to reduce habitat availability and suitability for forest-dwelling songbirds by reducing and fragmenting mature forest, but also to increase habitat availability for grassland and...

Wood, Petra B.; Eric L. Margenau; Cathy A. Weakland; Donald J. Brown
Margenau, Eric L.; Wood, Petra B.; Weakland, Cathy A.; Brown, Donald J. 2019. Trade-offs relating to grassland and forest mine reclamation approaches in the central Appalachian region and implications for the songbird community. Avian Conservation and Ecology. 14(1) 2. 14 p. https://doi.org/10.5751/ACE-01304-140102.

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Year Published: 2019

Bayesian statistics for beginners: A step-by-step approach

Bayesian statistics is currently undergoing something of a renaissance. At its heart is a method of statistical inference in which Bayes' theorem is used to update the probability for a hypothesis as more evidence or information becomes available. It is an approach that is ideally suited to making initial assessments based on incomplete or...

Donovan, Therese M.; Mickey, Ruth M.

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Year Published: 2019

Interactions of human-caused mortality, genetic introgression, and management among Wild Red Wolves: Developing scientific consensus

After being nearly driven to extinction by the combination of human persecution, human-caused habitat change, and subsequent hybridization with coyotes, red wolves (Canis rufus) were rescued from extinction by the establishment of a captive breeding program in 1973.  In 1987, red wolves were first released into a coyote-free (Canis latrans)...

Collazo, Jaime

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Year Published: 2019

Movement and mortality of Atlantic salmonkelts (Salmo salar) released into thePenobscot River, Maine

The Penobscot River is home to the last major run of Atlantic salmon (Salmo salar) in the United States. For over one century, the river has been stocked intensively. Since the late 1970s, most kelts are released to the Penobscot River estuary following spawning in a hatchery. Over that time, the proportion of the run made up of iteroparous...

George A. Maynard; Lisa K. Izzo; Zydlewski, Joseph D.

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Year Published: 2019

Individual behaviour and resource use of thermally stressed brook trout Salvelinus fontinalis portend the conservation potential of thermal refugia

Individual aggression and thermal refuge use were monitored in brook trout Salvelinus fontinalis in a controlled laboratory to determine how fish size and personality influence time spent in forage and thermal habitat patches during periods of thermal stress. On average, larger and more exploratory fish initiated more aggressive...

White, Shannon L.; Kline, B.C.; Hitt, Nathaniel; Wagner, Tyler

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Year Published: 2019

Applications of emerging fisheries techniques for paddlefish

No abstract available. 

Gregory Whitledge; Richard Lance; Long, James M.; Ben Neely; Jason Schooley