Download or read book An Experimental Approach to Understanding the Impact of Vernal Pool Buffer Size on Wood Frogs Rana Sylvatica written by Nicole Alexis Freidenfelds and published by . This book was released on 2006 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Spatial Ecology of the Wood Frog Rana Sylvatica written by Lauri Kealoha Freidenburg and published by . This book was released on 2003 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Geographic Variation in the Effects of Hydroperiods on Wood Frog Rana Sylvatica Tadpoles written by Anna Brichetto and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pollutant Impacts on the Distribution of Wood Frogs rana Sylvatica Associated with Stormwater Management Ponds written by Matthew T. Gallagher and published by . This book was released on 2009 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Response of Larval Wood Frogs Rana Sylvatica to Changes in Detrital Quality Driven by Anthropogenic Effects in Ephemeral Ponds written by Jeffrey Patrick Stephens and published by . This book was released on 2011 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Amphibian populations worldwide are in decline due to anthropogenic drivers. However, little is known about how changes to the larval environment may affect survival and future recruitment of the species specifically in those environments whose energetics are subsidized by allochthonous input such as litterfall. Using a manipulative mesocosms experment I found that changes in litter type had dramatic and differential affects on all levels of the mesocosm ecosystem including water chemistry, primary producer biomass, and on larval wood frog Rana sylvatica fitness traits. Notably, we found that senescent green ash (a specied of tree declining and at great risk due to the emerald ash borer) produced metamorphs that were larger than all other litter species used and developed at a faster rate with higher survival. This study, indeed, illustrates how regional changes in forest community structure can affect the local dynamics and the physiology of individuals within the forest pond.
Download or read book Effects of Habitat Fragmentation and Water Quality on Wood Frog Population Genetic Structure in Vernal Pools written by Charlotte Gabrielsen and published by . This book was released on 2011 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Carry Over Effects of Elevated Salinity and Temperature on Wood Frog Rana Sylvatica Survival Growth and Behavior written by Bernardo A. Traversari and published by . This book was released on 2021 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: Anthropogenically-induced salinization of freshwater systems due to the application of road de-icing salts and hydrocarbon mining has been identified as a significant environmental stressor for amphibians across the United States. While the effects of salinity during amphibian embryonic and larval stages are fairly well-understood, less is known on whether these effects can carry over to affect post-metamorphic traits. Moreover, it remains unclear if salinity-induced carry-over effects are adaptive or maladaptive for amphibian survival, or if salinity can interact with other environmental conditions, like temperature, to influence amphibian development. To fill in these gaps, we tested the hypothesis that if wood frogs that develop in saline ponds exhibit adaptive plasticity in their osmoregulatory abilities, then individuals raised in elevated salinity environments as larvae would feature greater tolerance to similarly saline post-metamorphic environments (i.e., the match hypothesis). In addition, we also hypothesized that exposure to elevated salinity and temperature during larval development would have measurable impacts on juvenile behaviors. Our results provided no evidence for the match hypothesis, as juveniles reared in high salinities did not survive or grow better in high-salinity soils compared with those in low-salinity soils. However, we do show that juveniles that experienced elevated salinity as larvae tended to increase weight (but not SVL) regardless of post-metamorphic environment, suggesting that there may be differences in food intake or osmoregulation in these animals. We also showed that the interaction between salinity and temperature experienced during the larval stage affects wood frog explorative capacity without necessarily impacting exploitative behavior, providing evidence for behavioral carry-over effects. Taken together, these findings contribute to a growing body of work to show that the larval environment can affect the expression of physiological and behavioral traits after metamorphosis, but how these traits relate to population recruitment still needs to be investigated. Findings from this study also suggests that salinization of both freshwater and woodland soils adjacent to roads has adverse effects on wood frogs in both the aquatic and terrestrial parts of their life cycle.
Download or read book Impacts of Road Salt Runoff on Wetlands and Its Effects on the Development and Survival of Wood Frog Rana Sylvatica Tadpoles written by Jane L. Murawski and published by . This book was released on 2005 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Techniques for Mitigating Loss of Vernal Pools written by Philip T. Northen and published by . This book was released on 1998 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Using Physiological Conditions to Assess Current and Future Wood Frog Rana Sylvatica Habitat Use in the Subarctic written by Thomas Patrick Hastings and published by . This book was released on 2020 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Behavioral Choice and Demographic Consequences of Wood Frog Habitat Selection in Response to Land Use written by Tracy A. Green Rittenhouse and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Land use is a pervasive form of disturbance affecting natural systems on Earth. My dissertation research is set within the context of a large scale project referred to as Land-use Effects on Amphibian Populations (LEAP), where researchers in Maine, Missouri, and South Carolina are determining the effects of timber harvest on the persistence of amphibian populations. The purpose of my dissertation research was to define adult wood frog nonbreeding habitat in continuous oak-hickory forest and in response to timber harvest. I asked research questions that address the two components of habitat selection: 1) the behavioral choice, and 2) the demographic consequences of that choice. To document behavioral choice, I allowed adults to move freely throughout the circular experimental timber harvest arrays (164 m radius) by using standard radiotelemetry techniques. Prior to timber harvest, I found that wood frogs were not distributed equally throughout oak-hickory forest. Adults used drainages as non-breeding habitat. In addition, the number of frogs that migrated to a specific drainage correlated with the distance between the pond and the drainage. Following timber harvest wood frogs avoided clearcuts and increased movement rates in response to timber harvest. Further, I confirmed the consistency of this behavioral response by conducting experimental displacements and found that adults exhibit site fidelity to non-breeding habitat. Frogs displaced to the center of clearcuts evacuated the clearcuts in one night of rain and 20 of 22 frogs displaced back to the pond returned to the same drainage. To determine demographic consequences, I estimated survival of frogs constrained within microhabitats. Desiccation risks for frogs located on forested ridgetops or in exposed areas within clearcuts were severe. Brushpiles within clearcuts provided microhabitats with similar desiccation risks as microhabitats within forested drainages. I also determined survival of transmittered frogs that moved freely among microhabitats by radio-tracking 117 frogs over 3 years. I documented 29 predation events, 13 desiccation events, and 8 mortalities of unknown cause. Using Coxproportional hazard models, I found that survival within the timber harvest array was 1.7 times lower than survival within continuous forest. Survival was lowest during the drought year of 2005 when all desiccation events occurred. My results indicated that predation and desiccation risks near the breeding ponds are ecological pressures that explain why adult amphibians migrate away from breeding habitat during the nonbreeding season.
Download or read book The Effects of Season and Temperature on Certain Aspects of the Physiology of the Alaskan Wood Frog Rana Sylvatica written by Raymond S. Hadley and published by . This book was released on 1969 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book An Ecological Study of the Wood Frog Rana Sylvatica LeConte in Standing Stone State Park and Forest Overton and Clay Counties Tennessee written by James Michael Smith and published by . This book was released on 1976 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Science and Conservation of Vernal Pools in Northeastern North America written by Aram J. K. Calhoun and published by CRC Press. This book was released on 2007-08-13 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthesizes Decades of Research on Vernal Pools Science Pulling together information from a broad array of sources, Science and Conservation of Vernal Pools in Northeastern North America is a guide to the issues and solutions surrounding seasonal pools. Drawing on 15 years of experience, the editors have mined published literature,
Download or read book Acid Tolerance of Wood Frog Rana Sylvatica Larvae in Marquette County Michigan written by Jan Paul VanAmberg and published by . This book was released on 1985 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Distribution and Habitat Requirements of the Wood Frog Ranidae Rana Sylvatica Le Conte in Colorado written by C. M. Haynes and published by . This book was released on 1981 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Breeding Behavior and Developmental Rates of the Wood Frog Rana Sylvatica in Eastern Tennessee written by David H. Meeks and published by . This book was released on 1972 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
