Behavioural techniques derived from experimental psychology, behavioural pharmacology and neurotoxicology are applied to detect and characterize changes in animals living in the environment exposed to various pollutants. Behavioural effects are then interpreted in an ecological context considering the long-term relevance of these changes at both the individual and population level. Behavioural Ecotoxicology brings together the latest research on the impact of environmental pollutants on animal behaviour. It presents studies on the short- and long-term effects of the main classes of toxicants at the level of individuals and populations.
It describes the procedures used to detect and measure behavioural alterations in invertebrate and vertebrate species in both aquatic and terrestrial environments. The book also covers the advantages and limitations of the behavioural approach for monitoring exposure and the relationship between behaviour and other bioindicators of exposure to pollutants. The book uses case studies to illustrate key points and highlight the complex interwoven nature of the subject material.
This book will appeal to biologists, ethologists, those studying the effects of environmental pollutants on animals, regulatory agencies and those carrying out environmental impact assessment. Convert currency. Add to Basket.
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Customer satisfaction our priority. Book Description Condition: Brand New. Customer Satisfaction guaranteed!!. It was at this meeting that we began soliciting manuscripts for this special issue of Aquatic Toxicology, both from the participants at the special symposium, as well as from other experts from around the world. The collection of papers in this special issue is from those that answered the call. Increased pharmaceutical use in humans and domestic animals has led to a concomitant increase in the presence of the same pharmaceuticals and their metabolites in aquatic systems.
Henriques et al. Androgenic growth hormones, such as trenbolone are frequently administered to cattle as growth promoters. However, as Tomkins et al. These pharmaceutical-induced effects on locomotion and phototaxis could result in an impaired ability to respond to predators. Effects on female mate choice could affect reproductive output as well as the genetic integrity of offspring.
Metals are also well known neurotoxicants that can affect animal behaviour. Pereira et al.
Although some brain regions could recover once the mercury was removed, others could not, resulting in some long-term behavioural deficits. Their approach allowed them to differentiate ion effects from nanoparticles, and different behavioural profiles associated with exposure concentrations; hypoactivity at high concentrations, and hyperactivity at low concentrations. Gauthier et al.
Here, they demonstrate that copper and phenanthrene act independently to induce toxicity, and the behavioural deficits induced by phenanthrene exposure e. Pesticides can also lead to several behavioural toxicological effects. Andrade et al. Rodrigues et al. Renick et al. The pesticide reduced the activity of the neurotransmitter acetylcholinesterase, resulting in reduced swimming speeds; whereas the trematode had no effect on swimming behaviour.
Contaminants associated with municipal and industrial waste waters can also cause behavioural effects in aquatic organisms. However, this effect was transient and was not detectable after 28 days of exposure.
Lari et al. Melvin showed increased swimming velocity and body condition, and decreased lipid content in juvenile empire gudgeons exposed to full-strength municipal waste water. The recent emergence of behavioural toxicology as a viable approach to integrate lab-and-field has given rise to a number of different tools that will be useful as we begin to develop into the area of regulatory compliance.
Hartmann et al. Kristofco et al. By testing several zebrafish developmental stages, they demonstrate that larvae 10 days post hatch dph are significantly more sensitive to diazinon pesticide and diphenhydramine pharmaceutical than earlier, embryonic life-stages known to be more sensitive in growth and survival tests. Kaluef et al. They specifically advocate for zebrafish as a model owing to its homology with the human genome and the wide range of genomic and molecular tools available for immediate experimentation.
Michalec et al. The new delivery system allows for an analysis of the relative contribution of water and dietary toxicant exposure routes as they might affect 3-D copepod swimming behaviour. Several authors in this issue provide critical reviews related to different aspects of behavioural toxicology.
An ecotoxicological view on neurotoxicity assessment | Environmental Sciences Europe | Full Text
Parker argues against methodological standardization for behavioural toxicology assays given the numerous confounding variables that can influence animal behaviour. These tools provide a direct link between results generated under tightly controlled laboratory conditions to the realities of natural systems.
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Tierney reviews the literature on fish behavioural avoidance responses to contaminants in the environment. He demonstrates that avoidance responses are common, but not universal.
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Several studies have documented cases where fishes are attracted to contaminants at concentrations that are likely maladaptive. He then provides a framework on which to base future studies to screen fish species for their ability to detect and avoid environmental contaminants.
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