Articles

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Ohio Conservation Plan: Plains gartersnake, Thamnophis radix (with M. Barrie, K. Becka, G. Burghardt, S. Butterworth, C. Caldwell, F. Dierkes, P. Johantgen, K. Stanford, and D. Wynn), Ohio Division of Wildlife (2010)

This plan outlines strategies and methods used in an ongoing study initiated in 1999 to...

 

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The Ecology of the Peaks of Otter Salamander (Plethodon Hubrichti) in sympatry with the Eastern Red-Backed Salamander (Plethodon Cinereus) (with Andrew Kniowski), Herpetological Conservation and Biology (2009)

The Peaks of Otter Salamander, Plethodon hubrichti, is found along a 19 km length of...

 

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The Effects of Timbering on Plethodon hubrichti over 12 Years (with Paul Sattler), Journal of Herpetology (2007)

Clearcuts have been shown to adversely affect salamander populations, whereas impacts from milder forms of...

 

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Plethodon hubrichti (Peaks of Otter Salamander) Reproduction (with Andrew Kniowski), Herpetology Review (2006)
 

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Is the Red-backed Salamander (Plethodon cinereus) Encroaching upon Populations of the Peaks of Otter Salamander (P. hubrichti)? (with Garth Aasen), Catesbeiana (2004)
 

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Sensitivity of Spotted Salamander (Ambystoma maculatum) Embryos to UV-B Radiation in Central Virginia (with Jeffrey Howard), Catesbeiana (2001)

Worldwide, many amphibian populations have been declining and undergoing range reductions (Blaustein et aI., 1998;...

 

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Syntopic Occurrence of Eurycea lucifuga (Cave salamander), E. longicauda longicauda (Long-tailed salamander), and E. guttolineata (Three-lined salamander) in the Piedmont of Virginia, Catesbeiana (2000)
 

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Ecology and Fishery Biology of Holothuria fuscogilva in the Maldives, Indian Ocean (Echinodermata: Holothuroidea), Bulletin of Marine Science (1999)

The ecology of Holothuriafuscogilva was assessed in three habitats in the Republic of Maldives: marine...

 

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The Effects of Timbering on Plethodon hubrichti: Short Term Effects (with Paul Sattler), Journal of Herpetology (1998)

Effects of two types of timbering on populations of the Peaks of Otter salamander (Plethodon...

 

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Grouper Density and Diversity at Two Sites in the Republic of Maldives (with Robert D. Sluka), Atoll Research Bulletin (1995)

The density and diversity of shallow-water groupers at Gaagandu, North Male Atoll and Olhugiri, Thaa...

 

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Population Dynamics and conservation of the Peaks of Otter Salamander, Plethodon hubrichti (with Peter Kramer, Michael Hayslett, and Paul W. Sattler), Journal of Herpetology (1993)

A study was conducted in 1991 on the population dynamics of the Peaks of Otter...

 

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Energy Consumption, Life Histories, and the Avoidance of Potential Competition in Two Species of Garter Snake (with George H. Dalrymple), Journal of Herpetology (1986)

The energy flow in syntopic populations of the greater snakes Thamnophis radix and T. sirtalis...

 

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Bioenergetics of the western spruce budworm (Lepidoptera: Tortricidae) with comments on endotherm and ectotherm population energetics (with Gorden R. Stairs), Canadian Journal of Zoology (1985)

Energetic components (respiration, consumption, frass production, and growth) for larvae of the western spruce budworm...

 

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Multiple Logit Analyses of the Effects of Temperature and Humidity on the Toxicity of Propoxur to German Cockroaches (Orthoptera: Blattellidae) and Western Spruce Budworm (Lepidoptera: Tortricidae) (with William J. Collins), Journal of Economic Entomology (1984)

The effect of temperature and humidity on the toxicity of propoxur to adult female German...

 

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Response of the Western Spruce Budworm (Lepidoptera: Tortricidae) to Temperature and Humidity: Developmental Rates and Survivorship (with Gordon R. Stairs), Environmental Entomology (1984)

Developmental rates of embryos, larvae, and pupae of the western spruce bud worm, Choristoneura occidentalis,...

 

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Response of the Western Spruce Budworm (Lepidoptera: Tortricidae) to Temperature: The Stochastic Nature of Developmental Rates and Diapause Termination (with Gordon R. Stairs), Environmental Entomology (1984)

The variability in the developmental rates for the embryos, larvae, and pupae of the western...

 

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An Aggregation of Female Garter Snakes under Corrugated Metal Sheets, Journal of Herpetology (1983)
 

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First Record for the Striped Color Morph of Plethodon cinereus from a Lake Erie Island, Herpetological Review (1981)
 

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On the Criteria and Evidence for Interspecific Competition in Snakes (with George H. Dalrymple), Journal of Herpetology (1980)
 

Contributions to Books

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An Assessment of Exposure Models for Bioengineered Microorganisms (with L. Barry Goss, Barney W. Cornaby, Kenneth M. Duke, Philip R. Sticksel, and Mary Ann Zanetos), Aquatic Toxicology and Environmental Fate: Ninth Volume (1986)

Environmental risk assessment performed for chemicals involves exposure assessment, effects assessment, and risk integration. The...