Download or read book The Effects of 2 4 Dichlorophenoxyacetic Acid on Swim Performance in Larval Long toed Salamanders Ambystoma Macrodactylum written by Amanda Patricia Castro and published by . This book was released on 2007 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Effects of Ontogeny and Temperature on Larval Swimming Performance for Three Species of Ambystomatid Salamanders written by Mark T. Sugalski and published by . This book was released on 2000 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Effects of Hydroperiod on the Head Morphology of Long toed Salamanders Ambystoma Macrodactylum written by Kathryn L. Menninger and published by . This book was released on 2004 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Effects of Amiloride on Na Transport and the Acid base Status of the Larval Salamander Ambystoma Tigrinum written by Carlos Eduardo Crocker and published by . This book was released on 1990 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Impacts of 2 4 Dichlorophenoxyacetic Acid 2 4 D on Early Developmental Life Stages of Freshwater Fish written by Gavin Kane Dehnert and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the most common active ingredients in commercial herbicide formulations used around the world is 2,4-Dichlorophenoxyacetic acid (2,4-D). In the United States, commercial 2,4-D herbicides are commonly applied directly into aquatic environments to control invasive, nuisance aquatic species. Based on previous toxicity studies that determined no-observed-effect-concentrations (NOEC) for a variety of fish species, the Environmental Protection Agency permits 2,4-D amine applications up to 4 ppm for spot treatment and up to 2 ppm for whole-lake treatment. However, many of the original toxicity studies were acute toxicity trials (48 to 96 hours), and all of them used juvenile or adult life stages. Yet, application of commercial 2,4-D to aquatic environments typically occurs in the spring when many freshwater fish are spawning, and due to the stability of 2,4-D in the water column of lakes, many non-target species are exposed during early developmental life stages. The goal of this dissertation was to understand the subchronic and chronic impacts of ecologically relevant concentrations of 2,4-D exposure on early life stages of freshwater fish. Chapter 1 demonstrated that exposure to environmentally relevant concentrations of two commercial 2,4-D herbicides and the active ingredient 2,4-D alone negatively impacts the survival of larval fathead minnows ([Pimephales promelas]; family Cyprinidae). Chapter 2, a phylogenetically informed comparative study, demonstrated that 2,4-D exposure also impacts other freshwater fish species across more distant clades (4 other families, 2 other orders). Chapter 3, using other species, zebrafish ([Danio rerio]; family Cyrinidae) and yellow perch ([Perca flavescens]; family Percidae), demonstrated that 2,4-D exposure negatively impacts essential survival behaviors (e.g. prey capture and predator evasion) that are linked to processes in the visual system. Together, results from this dissertation found that exposure to ecologically relevant concentrations of 2,4-D negatively impacts the development and survival of multiple freshwater fish species and suggests that early life stages are more sensitive to 2,4-D exposure. Altogether, the three chapters provide information on the environmental costs of 2,4-D application on non-target organisms, which can help inform and improve risk assessment decisions.
Download or read book The Effect of Low Level Concentrations of 2 4 Dichlorophenoxyacetic Acid on C h l o r e l l a p y r e n o i d o s a written by Kenneth Paul Parr and published by . This book was released on 1977 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Effects of Introduced Fish on the Long toed Salamander Ambystoma Macrodactylum in Southwestern Alberta Canada written by Kimberly J. Pearson and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ontogeny of Escape Swimming Performance in the Spotted Salamander Ambystoma Maculatum written by Tobias Landberg and published by . This book was released on 2004 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Plasticity of Head Shape in Larval Long toed Salamanders written by Willie Smith-Carlile and published by . This book was released on 1999 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Effects of Introduced Fish on the Long toed Salamander Ambystoma Macrodactylum in Southwestern Alberta Canada written by Kimberly Pearson and published by . This book was released on 2004 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Standardized Protocol for Surveying Aquatic Amphibians written by Gary M. Fellers and published by . This book was released on 1995 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book EPA 560 11 written by and published by . This book was released on 1980-07 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Reviews of Environmental Contamination and Toxicology Volume 211 written by David M. Whitacre and published by Springer Science & Business Media. This book was released on 2011-02-03 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reviews of Environmental Contamination and Toxicology attempts to provide concise, critical reviews of timely advances, philosophy and significant areas of accomplished or needed endeavor in the total field of xenobiotics, in any segment of the environment, as well as toxicological implications.
Download or read book Ecological Responses to the 1980 Eruption of Mount St Helens written by Virginia H. Dale and published by Springer Science & Business Media. This book was released on 2006-01-16 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 1980 eruption of Mount St. Helens caused tragic loss of life and property, but also created a unique opportunity to study a huge disturbance of natural systems and their subsequent responses. This book synthesizes 25 years of ecological research into of volcanic activity, and shows what actually happens when a volcano erupts, what the immediate and long-term dangers are, and how life reasserts itself in the environment.
Download or read book Management of Wildlife and Fish Habitats in Forests of Western Oregon and Washington Chapter narratives written by and published by . This book was released on 1985 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Principles of Development written by Lewis Wolpert and published by Oxford University Press, USA. This book was released on 1998 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: Developmental biology is at the core of all biology. This text emphasizes the principles and key developments in order to provide an approach and style that will appeal to students at all levels.
Download or read book Amphibians and Reptiles written by Tom Langton and published by Council of Europe. This book was released on 1997-01-01 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
