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Ethical and Responsible Tourism : Managing Sustainability in Local Tourism Destinations
Ethical and Responsible Tourism explains the methods and practices used to manage the environmental impact of tourism on local communities and destinations.This new edition takes into account recent global events such as the Covid-19 health crisis, the impacts of the war in Ukraine on tourism in neighbouring regions and the consequences of the energy and cost of living crisis.The three core themes of the book – destination management, environmental and social aspects of ethical sustainable development and business impacts – are discussed across both topic and case study chapters, alongside explanatory editorial analysis with all chapters clearly signposted and interlinked.The case studies address specific and practical examples from a global range of examples including sites in Australasia, Central America, Europe, Asia, North America and South America.In this new edition, further case studies are included from the USA and Japan, as well as new examples from Brazil, Croatia and Malta.Used as a core textbook, the linking of theory in the topic chapters, and practice gained through case studies, alongside further reading and editorial commentary, Ethical and Responsible Tourism provides a detailed and comprehensive learning experience.Specific case studies can be used as standalone examples as part of a case teaching approach, and the editorial and discussion elements are designed to be suitable for those simply seeking a concise overview, such as tourism professionals or potential investors in sustainable tourism projects.This revised edition continues to be essential reading for students, researchers and practitioners of tourism, environmental and sustainability studies.
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Biodiversity : Threats and Conservation
The term "biodiversity" or "biological diversity" describes the variety of living beings on Earth encompassing microorganisms, plants, animals, and ecosystems, such as coral reefs, forests, and deserts.In fact, it also represents a wealth of biological resources available to us.Today, instead of exploring and preserving its unmapped biodiversity, mankind has gone away from mother nature, conquering the domain through relentless exploitation.This has resulted in an ecological imbalance and thereby has posed serious threat to biodiversity.Declining biodiversity is, therefore, a concern for countless reasons.Biodiversity’s wealth of genetic information can be conserved by storing biological material from endangered species.Cell lines, gametes, and embryos are preserved so that in case a species becomes extinct or there is a need to increase the population of the species, then cloning and artificial reproductive techniques can be used to revive and reproduce the said species.The present volume discusses the biodiversity of specific animal groups, such as cnidarians and fish, as well as potential risks to and methods for conserving some of them.The following important aspects are addressed: 1. The importance of biodiversity in maintaining ecosystem balance for sustainability 2.The emerging role of biodiversity as a source of important materials, pharmaceuticals, food, and so on as such or through genetic manipulation to meet the contemporary and future challenges 3.The impact of environment degradation on biodiversity and conservation in a changing environment 4.Conventional and emerging biotechnological techniques to conserve biodiversity The book is intended for academics, scientists, and naturalists working in the fields of biology, biochemistry, biophysics, and biomedical sciences.
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Renewable Energy and Wildlife Conservation
Brings together disparate conversations about wildlife conservation and renewable energy, suggesting ways these two critical fields can work hand in hand. Renewable energy is often termed simply "green energy," but its effects on wildlife and other forms of biodiversity can be quite complex.While capturing renewable resources like wind, solar, and energy from biomass can require more land than fossil fuel production, potentially displacing wildlife habitat, renewable energy infrastructure can also create habitat and promote species health when thoughtfully implemented. The authors of Renewable Energy and Wildlife Conservation argue that in order to achieve a balanced plan for addressing these two crucially important sustainability issues, our actions at the nexus of these fields must be directed by current scientific information related to the ecological effects of renewable energy production.Synthesizing an extensive, rapidly growing base of research and insights from practitioners into a single, comprehensive resource, contributors to this volume• describe processes to generate renewable energy, focusing on the Big Four renewables—wind, bioenergy, solar energy, and hydroelectric power• review the documented effects of renewable energy production on wildlife and wildlife habitats• consider current and future policy directives, suggesting ways industrial-scale renewables production can be developed to minimize harm to wildlife populations• explain recent advances in renewable power technologies• identify urgent research needs at the intersection of renewables and wildlife conservationRelevant to policy makers and industry professionals—many of whom believe renewables are the best path forward as the world seeks to meet its expanding energy needs—and wildlife conservationists—many of whom are alarmed at the rate of renewables-related habitat conversion—this detailed book culminates with a chapter underscoring emerging opportunities in renewable energy ecology. Contributors: Edward B. Arnett, Brian B. Boroski, Regan Dohm, David Drake, Sarah R. Fritts, Rachel Greene, Steven M. Grodsky, Amanda M. Hale, Cris D. Hein, Rebecca R. Hernandez, Jessica A. Homyack, Henriette I. Jager, Nicole M. Korfanta, James A. Martin, Christopher E. Moorman, Clint Otto, Christine A. Ribic, Susan P. Rupp, Jake Verschuyl, Lindsay M. Wickman, T. Bently Wigley, Victoria H. Zero
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Why does saltatory conduction require less energy than continuous conduction?
Saltatory conduction requires less energy than continuous conduction because it occurs in myelinated neurons, which have gaps called nodes of Ranvier. In saltatory conduction, the action potential jumps from one node to the next, skipping the myelinated regions in between. This allows for faster transmission of the action potential and reduces the amount of energy needed to propagate the signal along the axon. In contrast, continuous conduction occurs in unmyelinated neurons and requires the action potential to travel along the entire length of the axon, resulting in a slower and more energy-intensive process.
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What is saltatory conduction?
Saltatory conduction is a process by which nerve impulses travel down a myelinated axon. Instead of traveling in a continuous manner, the nerve impulse jumps from one node of Ranvier to the next, which are the gaps in the myelin sheath. This allows for faster conduction of the nerve impulse, as it does not have to travel the entire length of the axon. Saltatory conduction is an efficient way for nerve impulses to travel, and it is a key mechanism for rapid communication within the nervous system.
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What is excitation conduction in neurobiology?
Excitation conduction in neurobiology refers to the process by which an electrical signal, known as an action potential, is propagated along the length of a neuron. This signal is initiated by the opening of ion channels in response to a stimulus, causing a rapid change in membrane potential. The action potential then travels down the length of the neuron, allowing for communication between different parts of the nervous system. Excitation conduction is essential for the transmission of information within the brain and throughout the body.
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Do plants have continuous excitation conduction?
No, plants do not have continuous excitation conduction like animals do. In plants, excitation conduction occurs through the movement of ions and electrical signals, but it is not continuous throughout the plant. Instead, it occurs in response to specific stimuli or signals, such as environmental changes or injury. This allows plants to respond to their surroundings and coordinate growth and development, but it is not a continuous process like in animals.
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The Marine Environment and Biodiversity
Written primarily for 16-19 year old students, this primer introduces the key features of the marine environment and explores definitions of marine biodiversity at different levels of biological organization: genetic, species, ecosystem, and functional.It also discusses how changes in ocean features due to human activities are having a negative impact on marine biological diversity.The primer aims to extend students' knowledge and inspire them to take their school-level learning further.It explores topics that are familiar from the curriculum and also introduces new ideas, giving students a first taste of the study of biology beyond school-level and demonstrating how concepts frequently encountered at school are relevant to and applied in current research.This is an ideal text to support students who are considering making the transition from studying biology at school to university. Digital formats and resourcesThe book is available for students and institutions to purchase in a variety of formats, and is supported by online resources:- The e-book offers a mobile experience and convenient access along with functionality tools, navigation features, and links that offer extra learning support: www.oxfordtextbooks.co.uk/ebooks- Online resources include multiple choice questions for students to check their understanding, and, for registered adopters, figures and tables from the book
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Biodiversity Conservation : A Very Short Introduction
Very Short Introductions: Brilliant, Sharp, Inspiring Extinction is a natural process.In geological time there have been several periods of mass extinction.One of these periods is unfolding right now but all the evidence suggests that current extinction rates are between a hundred and a thousand times greater than the background rate.To put this in to context, a quarter of all known mammalian species is at risk.The current extinction crisis is unique, because it is caused by the impact of one species, humans, on all others.This acceleration of species loss, and the much more widespread reductions in the populations of many species, is not merely a tragedy in aesthetics, it is also a threat to the quality of human life, indeed to the entire human enterprise.Biodiversity, the diversity of life, is not only fascinating and beautiful, it is the engine of all the world's natural cycles, and the source of many of the resources on which humanity depends.Concern about biodiversity conservation is, therefore, not merely the preoccupation of a few enthusiastic naturalists - it is the lifeline business of everybody.In this Very Short Introduction, David Macdonald introduces the concept of biodiversity and the basic biological processes that it involves - evolutionary, ecological, and behavioral.He considers the various threats to biodiversity, their impacts, and some of the solutions to the problems; concluding by considering the future of biodiversity conservation. ABOUT THE SERIES: The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area.These pocket-sized books are the perfect way to get ahead in a new subject quickly.Our expert authors combine facts, analysis, perspective, new ideas, and enthusiasm to make interesting and challenging topics highly readable.
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How is heat transferred through conduction?
Heat is transferred through conduction when two objects at different temperatures come into direct contact with each other. The molecules in the hotter object vibrate more rapidly, and when they come into contact with the molecules in the cooler object, they transfer some of their kinetic energy. This causes the molecules in the cooler object to vibrate more rapidly, thus increasing its temperature. Conduction is most effective in solids, where molecules are closely packed and can transfer energy more efficiently.
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What is continuous passive excitation conduction?
Continuous passive excitation conduction is a process in which an electrical impulse is continuously conducted through a nerve or muscle fiber without the need for external stimulation. This can occur in certain pathological conditions, such as in the case of muscle spasms or certain types of nerve damage. In continuous passive excitation conduction, the electrical impulse is able to propagate along the nerve or muscle fiber without the need for an external stimulus, leading to continuous muscle contractions or abnormal nerve signaling.
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How does electrical conduction occur in metals?
In metals, electrical conduction occurs due to the presence of free electrons within the atomic structure. These free electrons are not bound to any particular atom and are able to move freely throughout the metal lattice. When a voltage is applied across a metal, these free electrons drift in response to the electric field, creating an electric current. This movement of electrons is what allows metals to conduct electricity efficiently.
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What is heat conduction and heat convection?
Heat conduction is the transfer of heat through a material or between materials that are in direct contact with each other. It occurs through the vibration and collision of atoms and molecules, leading to the transfer of thermal energy. On the other hand, heat convection is the transfer of heat through the movement of fluids, such as air or water. This occurs as warmer, less dense fluid rises and cooler, denser fluid sinks, creating a continuous circulation of heat transfer. Both heat conduction and heat convection are important mechanisms for the transfer of heat in various natural and engineered systems.
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