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Books > Medicine > Other branches of medicine > Environmental medicine

An Introduction to Radiation Protection (Paperback, 7th edition): Alan Martin, Sam Harbison, Karen Beach, Peter Cole An Introduction to Radiation Protection (Paperback, 7th edition)
Alan Martin, Sam Harbison, Karen Beach, Peter Cole
R1,534 Discovery Miles 15 340 Ships in 9 - 17 working days

This highly-readable account of the nature of the hazards presented by ionizing radiation and the methods of protection is an ideal introductory text for those new to the field, and for the non-specialist. The seventh edition continues to cover the technical principles underlying the control of radiation hazards, radiation detection and measurement and the biological effects of radiation, followed by a consideration of industry-specific radiation protection issues. Further specialised topics include risk assessment, waste management and decommissioning, radiological emergencies, relevant legislation and organizational issues and, new to this edition, environmental radiation protection.

Sustainable Agriculture Reviews 40 (Paperback, 1st ed. 2020): Eric Lichtfouse Sustainable Agriculture Reviews 40 (Paperback, 1st ed. 2020)
Eric Lichtfouse
R2,873 Discovery Miles 28 730 Ships in 10 - 15 working days

This book reviews recent research advances in sustainable agriculture, with focus on crop production, biodiversity and biofuels in Africa and Asia.

Sustainable Agriculture Reviews 41 - Nanotechnology for Plant Growth and Development (Paperback, 1st ed. 2020): Shamsul Hayat,... Sustainable Agriculture Reviews 41 - Nanotechnology for Plant Growth and Development (Paperback, 1st ed. 2020)
Shamsul Hayat, John Pichtel, Mohammad Faizan, Qazi Fariduddin
R2,873 Discovery Miles 28 730 Ships in 10 - 15 working days

This book presents recent developments involving the role of nanoparticles on plant physiology and growth. Nanotechnology applications include improvement of agricultural production using bio-conjugated NPs (encapsulation), transfer of DNA in plants for development of insect pest-resistant varieties, nanoformulations of agrochemicals such as pesticides and fertilizers for crop improvement, and nanosensors/nanobiosensors in crop protection for identification of diseases and residues of agrochemicals. Recent findings on the increased use of nanotechnology in agriculture by densely populated countries such as China and India indicate that this technology may impart a substantial impact on reducing hunger, malnutrition, and child mortality.

Environmental Microbiology and Biotechnology - Volume 2: Bioenergy and Environmental Health (Paperback, 1st ed. 2021): Anoop... Environmental Microbiology and Biotechnology - Volume 2: Bioenergy and Environmental Health (Paperback, 1st ed. 2021)
Anoop Singh, Shaili Srivastava, Dheeraj Rathore, Deepak Pant
R3,637 Discovery Miles 36 370 Ships in 10 - 15 working days

This book provides up-to-date information on the state of the art in applications of biotechnological and microbiological tools for protecting the environment. Written by leading international experts, it discusses potential applications of biotechnological and microbiological techniques in solid waste management, wastewater treatment, agriculture, energy and environmental health. This second volume of book "Environmental Microbiology and Biotechnology," covers two main topics: bioenergy and environmental health, exploring the latest developments from around the globe regarding applications of biotechnology and microbiology for converting wastes into valuable products and at the same time reducing the environmental pollution resulting from disposal. Wherever possible it also includes real-world examples. Further, it offers advice on which procedures should be followed to achieve satisfactory results, and provides insights that will promote the transition to the sustainable utilization of various waste products.

Landscape Empowerment - A Participatory Design Approach to Create Restorative Environments for Assembly Line Workers in the... Landscape Empowerment - A Participatory Design Approach to Create Restorative Environments for Assembly Line Workers in the Foxconn Factory (Paperback, 1st ed. 2021)
Bin Jiang
R4,400 Discovery Miles 44 000 Ships in 10 - 15 working days

This book discusses essential strategies and approaches to creating mentally restorative environments for highly stressed and depressed workers at sweatshop factories. Drawing on the Foxconn factory in Longhua, China and an adjacent urban village as a sample site for research and design practice, the book employs a bottom-up and participatory process. The content is divided into two main parts, the first of which investigates economic, cultural, human rights, and environmental issues related to the electronic industry and urban village, providing in-depth research on various aspects, especially the working and living conditions for Foxconn workers. Based on these findings, the second part highlights potential landscape designs to address a range of issues, locations, and scales. The book's goals are to provide a set of original methods for research and design practice in a complex social and economic context, and to raise awareness regarding the health, dignity and freedom of millions of workers.

Surgeon in the Raw (Paperback): David Jackson Surgeon in the Raw (Paperback)
David Jackson
R701 Discovery Miles 7 010 Ships in 10 - 15 working days
Extreme Weather Events and Human Health - International Case Studies (Paperback, 1st ed. 2020): Rais Akhtar Extreme Weather Events and Human Health - International Case Studies (Paperback, 1st ed. 2020)
Rais Akhtar
R4,601 Discovery Miles 46 010 Ships in 10 - 15 working days

This edited book assesses the impacts of various extreme weather events on human health and development from a global perspective, and includes several case studies in various geographical regions around the globe. Covering all continents, it describes the impact of extreme weather conditions such as flash floods, heatwaves, cold waves, droughts, forest fires, strong winds and storms in both developing and developed countries. The contributing authors also investigate the spread of diseases and the risk to food security caused by drought and flooding. Further, the book discusses the economic damage resulting from natural disasters including hurricanes. It has been estimated that in 2017 natural disasters and climate change resulted in economic losses of 309 billion US dollars. Scientists also predict that if nothing is done to curb the effects of climate change, in Europe the death toll due to weather disasters could rise 50-fold by the end of the 21st century, with extreme heat alone causing more than 150,000 deaths a year, as the report on global warming of 1.5 DegreesC warns that China, Russia and Canada's current climate policies would steer the world above a catastrophic 5 DegreesC of warming by the end of 2100. As such, the book highlights how the wellbeing of different populations is threatened by extreme events now and in the foreseeable future.

Disease Prevention Through Vector Control - Guidelines for relief organizations (Paperback): Madeleine Thomson Disease Prevention Through Vector Control - Guidelines for relief organizations (Paperback)
Madeleine Thomson
R517 Discovery Miles 5 170 Ships in 12 - 19 working days

Over the years, Oxfam has been involved in a wide variety of health-related projects. The Practical Health Guides draw on this experience to put forward ideas on best practice in the provision of health care and services in developing countries The number of refugees and displaced persons has increased greatly in recent years. At least 80 per cent of them are living in tropical or semi-tropical countries where vector-borne diseases, such as malaria, dengue fever and sleeping sickness are common and cause widespread sickness and death in the crowded conditions of refugee camps. This work is intended to help development workers and planners to identify and assess the risks of vector-borne diseases in a camp and to plan and implement cost-effective ways of controlling them. The main vector-borne diseases are described, the importance of identifying the particular disease and its vector and of considering a variety of methods of control is emphasized. The book discusses the need for a community-based approach to vector control, the safe use of insecticides and selection of spraying equipment. Also included are lists of suppliers of insecticides and equipment, sources of advice and recommended texts.

Global Climate Change and Environmental Policy - Agriculture Perspectives (Paperback, 1st ed. 2020): V. Venkat Ramanan, Shachi... Global Climate Change and Environmental Policy - Agriculture Perspectives (Paperback, 1st ed. 2020)
V. Venkat Ramanan, Shachi Shah, Ramprasad
R5,132 Discovery Miles 51 320 Ships in 10 - 15 working days

Global climate change threatens human existence through its potential impact on agriculture and the environment. Agriculture is climate-sensitive, and climate variability and climate change have net negative impact on it. Additionally, the agricultural landscape is affected by monoculture and agro-biodiversity loss, soil fertility depletion and soil loss, competition from biofuel production, crop yield plateaus and invasive species. Nevertheless, the global agricultural production system has to meet the food demands from the growing human population, which is set to exceed 10 billion by 2050. This book discusses the impacts of climate change on agriculture, animal husbandry and rural livelihoods. Further, since agriculture, forestry and other land-use sectors contribute about 10-12 gigatonnes of CO2-equivalent per year, it argues that agricultural policy must dovetail adaptation and mitigation strategies to reduce greenhouse gases emissions. This calls for a reformative and disruptive agricultural strategy like climate-smart agriculture, which can operate at all spatio-temporal scales with few modifications. The book also redefines sustainable agriculture through the lens of climate-smart agriculture in the context of the sustainability of Earth's life- support system and inter- and intra-generational equity. The climate-smart agriculture approach is gaining currency thanks to its inherent positive potential, and its goal to establish an agricultural system which includes "climate-smart food systems", "climate-proof farms", and "climate-smart soils". Climate-smart agriculture provides a pathway to achieve sustainable development goals which focus on poverty reduction, food security, and environmental health.

Contemporary Environmental Issues and Challenges in Era of Climate Change (Paperback, 1st ed. 2020): Pooja Singh, Rajeev Pratap... Contemporary Environmental Issues and Challenges in Era of Climate Change (Paperback, 1st ed. 2020)
Pooja Singh, Rajeev Pratap Singh, Vaibhav Srivastava
R2,880 Discovery Miles 28 800 Ships in 10 - 15 working days

Over the last few decades, unprecedented global population growth has led to increased demand for food and shelter. At the same time, extraction of natural resources beyond the Earth's resilience capacity has had a devastating effect on ecosystems and environmental health. Furthermore, climate change is having a significant impact in a number of areas, including the global hydrological cycle, ecosystem functioning, coastal vulnerability, forest ecology, food security, and agricultural sustainability. According to the Intergovernmental Panel on Climate Change (IPCC), only immediate and sustained action will prevent climate change causing irreversible and potentially catastrophic damage to our environment. This book presents various scientific views and concepts, research, reviews, and case studies on contemporary environmental issues in changing climate scenarios and highlights different adaptation measures. Increasing awareness of modern-day patterns of climate change, it addresses questions often raised by environmental scientists, researchers, policymakers and general readers.

Advances in Safety Management and Human Performance - Proceedings of the AHFE 2021 Virtual Conferences on Safety Management and... Advances in Safety Management and Human Performance - Proceedings of the AHFE 2021 Virtual Conferences on Safety Management and Human Factors, and Human Error, Reliability, Resilience, and Performance, July 25-29, 2021, USA (Paperback, 1st ed. 2021)
Pedro M. Arezes, Ronald L. Boring
R5,596 Discovery Miles 55 960 Ships in 10 - 15 working days

This book provides readers with a timely snapshot of research and developments relating to human reliability, performance and safety analysis, and human error, risk and safety management in various industrial contexts, such as manufacturing, transportation and health. It combines a diverse range of disciplines, including work physiology, health informatics, safety engineering, workplace design, injury prevention, and occupational psychology, and presents new strategies for safety management, accident prevention at the workplace, performance testing and participatory ergonomics. It discusses issues related to automation, and strategies for a safer Human-Automation Interaction. Based on the proceedings of the AHFE 2021 International Conferences on Safety Management and Human Factors, and Human Error, Reliability, Resilience, and Performance, which were held virtually on July 25-29, 2021, from USA, the book offers an extensive and inspiring guide for both researchers and practitioners dealing with the topics of safety management, human error prevention, and integration of automation in the workplace.

Green Methods for Wastewater Treatment (Paperback, 1st ed. 2020): Mu Naushad, Saravanan Rajendran, Eric Lichtfouse Green Methods for Wastewater Treatment (Paperback, 1st ed. 2020)
Mu Naushad, Saravanan Rajendran, Eric Lichtfouse
R4,352 Discovery Miles 43 520 Ships in 10 - 15 working days

This book presents comprehensive chapters on the latest research and applications in wastewater treatment using green technologies. Topics include mesoporous materials, TiO2 nanocomposites and magnetic nanoparticles, the role of catalysts, treatment methods such as photo-Fenton, photocatalysis, electrochemistry and adsorption, and anti-bacterial solutions. This book will be useful for chemical engineers, environmental scientists, analytical chemists, materials scientists and researchers.

Advances in Human Factors and Ergonomics in Healthcare and Medical Devices - Proceedings of the AHFE 2020 Virtual Conference on... Advances in Human Factors and Ergonomics in Healthcare and Medical Devices - Proceedings of the AHFE 2020 Virtual Conference on Human Factors and Ergonomics in Healthcare and Medical Devices, July 16-20, 2020, USA (Paperback, 1st ed. 2020)
Jay Kalra, Nancy J. Lightner
R6,348 Discovery Miles 63 480 Ships in 10 - 15 working days

This book explores how human factors and ergonomic principles are currently transforming healthcare. It reports on the design of systems and devices used to improve the quality, safety, efficiency and effectiveness of patient care, and discusses findings on improving organizational outcomes in the healthcare setting, as well as approaches to analyzing and modeling those work aspects that are unique to healthcare. Based on papers presented at the AHFE 2020 Virtual Conference on Human Factors and Ergonomics in Healthcare and Medical Devices, held on July 16-20, 2020, the book highlights the physical, cognitive and organizational aspects of human factors and ergonomic applications, and shares various perspectives, including those of clinicians, patients, health organizations and insurance providers. Given its scope, the book offers a timely reference guide for researchers involved in the design of medical systems and healthcare professionals managing healthcare settings, as well as healthcare counselors and international health organizations.

Environmental Chemistry - New Techniques and Data (Paperback): Harold H Trimm, III William Hunter Environmental Chemistry - New Techniques and Data (Paperback)
Harold H Trimm, III William Hunter
R2,614 Discovery Miles 26 140 Ships in 12 - 19 working days

This title includes a number of Open Access chapters. Environmental chemistry is an interdisciplinary field of study that involves the science of ecology as well as chemistry. Environmental chemistry covers the basic chemistry and biochemistry that occur naturally in the world around us. It focuses on the air, water, and land. Environmental science normally begins by determining the chemical reactions that are occurring in the environment when all systems are in balance and then goes on the discover how chemistry has changed when there is an imbalance caused by stress or pollution. The field is constantly changing, with new discoveries being made all the time. The availability of new and more sensitive instruments in analytical science is enabling the detection of smaller and smaller concentrations of pollutants in the environment. This new volume deals with a host of important topics in environmental chemistry, such as pesticide-related illnesses in humans and plants, the effects of litterfall in the soil of tropical forests, toxicants in various bodies of water, and much more.

Selection and Recruitment in the Healthcare Professions - Research, Theory and Practice (Paperback, 1st ed. 2018): Fiona... Selection and Recruitment in the Healthcare Professions - Research, Theory and Practice (Paperback, 1st ed. 2018)
Fiona Patterson, Lara Zibarras
R2,886 Discovery Miles 28 860 Ships in 10 - 15 working days

How we recruit future healthcare professionals is critically important, as the demand for high quality healthcare increases across the globe. This book questions what the evidence tells us about how best to select those most suited to a career in healthcare, ensuring that the approaches used are relevant and fair to all who apply. The editors of this collection take a comprehensive look at the latest research surrounding recruitment and selection into healthcare roles. Each chapter is authored by leading experts and, using international case material, the practical implications for workforce policy are explored. They review the key stages in designing effective selection systems and discuss how best to evaluate the quality of selection processes. Evidence from role analysis studies as well as the effectiveness of different selection methods including aptitude and situational judgment tests, personality assessment and interviews are examined. Chapters also cover approaches to student selection and recruitment for postgraduate trainees through to senior appointments. Finally they highlight contemporary issues in recruitment, including the use of technology, selecting for values, candidate perceptions, coaching issues and how best to promote diversity and widening access.

The Great Pain Deception - Faulty Medical Advice is Making Us Worse (Paperback): Steve Ozanich The Great Pain Deception - Faulty Medical Advice is Making Us Worse (Paperback)
Steve Ozanich
R621 Discovery Miles 6 210 Ships in 9 - 17 working days
Advances in Safety Management and Human Performance - Proceedings of the AHFE 2020 Virtual Conferences on Safety Management and... Advances in Safety Management and Human Performance - Proceedings of the AHFE 2020 Virtual Conferences on Safety Management and Human Factors, and Human Error, Reliability, Resilience, and Performance, July 16-20, 2020, USA (Paperback, 1st ed. 2020)
Pedro M. Arezes, Ronald L. Boring
R4,380 Discovery Miles 43 800 Ships in 10 - 15 working days

This book brings together studies broadly addressing human error and safety management from the perspectives of various disciplines, and shares the latest findings on ensuring employees' safety, health, and welfare at work. It combines a diverse range of disciplines - e.g. work physiology, health informatics, safety engineering, workplace design, injury prevention, and occupational psychology - and presents new strategies for safety management, including accident prevention methods such as performance testing and participatory ergonomics. It reports on cutting-edge methods and findings concerning safety-critical systems, defense, and security, and discusses advanced topics regarding human performance, human variability, and reliability analysis; medical, driver and pilot error, as well as automation error; and cognitive modeling of human error. Further, it highlights cutting-edge applications in safety management, defense, security, transportation, process controls, and medicine. Gathering the proceedings of the AHFE 2020 International Conference on Safety Management and Human Factors and the AHFE 2020 Virtual Conference on Human Error, Reliability, Resilience, and Performance, held on July 16-20, 2020, USA, the book offers an extensive, timely, and multidisciplinary guide for researchers and practitioners dealing with safety management and human error.

Advances in Safety Management and Human Factors - Proceedings of the AHFE 2019 International Conference on Safety Management... Advances in Safety Management and Human Factors - Proceedings of the AHFE 2019 International Conference on Safety Management and Human Factors, July 24-28, 2019, Washington D.C., USA (Paperback, 1st ed. 2020)
Pedro M. Arezes
R6,351 Discovery Miles 63 510 Ships in 10 - 15 working days

This book discusses the latest findings on ensuring employees' safety, health, and welfare at work. It combines a range of disciplines - e.g. work physiology, health informatics, safety engineering, workplace design, injury prevention, and occupational psychology - and presents new strategies for safety management, including accident prevention methods such as performance testing and participatory ergonomics. The book, which is based on the AHFE 2019 International Conference on Safety Management and Human Factors, held on July 24-28, 2019, Washington D.C., USA, provides readers, including decision makers, professional ergonomists and program managers in government and public authorities, with a timely snapshot of the state of the art in the field of safety, health, and welfare management. It also addresses agencies such as the Occupational Safety and Health Administration (OSHA) and the National Institute for Occupational Safety and Health (NIOSH), as well as other professionals dealing with occupational safety and health.

Autoethnographies on the Environment and Human Health (Paperback, Softcover reprint of the original 1st ed. 2018): Tara Rava... Autoethnographies on the Environment and Human Health (Paperback, Softcover reprint of the original 1st ed. 2018)
Tara Rava Zolnikov
R1,767 Discovery Miles 17 670 Ships in 10 - 15 working days

This book explores the link between individual lives and significant environmental issues affecting millions of people around the world. Zolnikov offers a novel perspective on the environment and human health through autoethnographic stories. Each chapter includes an overview of an environmental risk factor or issue, such as air quality, accompanied by a reflective personal story. Her experiences were gathered around the world and revolve around immersion into local cultures. Learning about environmental health through this qualitative approach will enable readers to understand how issues in the environment are currently affecting people on an individual basis.

Health and Social Care Systems of the Future: Demographic Changes, Digital Age and Human Factors - Proceedings of the... Health and Social Care Systems of the Future: Demographic Changes, Digital Age and Human Factors - Proceedings of the Healthcare Ergonomics and Patient Safety, HEPS, 3-5 July, 2019 Lisbon, Portugal (Paperback, 1st ed. 2019)
Teresa Patrone Cotrim, Florentino Serranheira, Paulo Sousa, Sue Hignett, Sara Albolino, …
R5,611 Discovery Miles 56 110 Ships in 10 - 15 working days

This book discusses how digital technology and demographic changes are transforming the patient experience, services, provision, and planning of health and social care. It presents innovative ergonomics research and human factors approaches to improving safety, working conditions and quality of life for both patients and healthcare workers. Personalized medicine, mobile and wearable technologies, and the greater availability of health data are discussed, together with challenges and evidence-based practice. Based on the Healthcare Ergonomics and Patient Safety conference, HEPS2019, held on July 3-5, 2019, in Lisbon, Portugal, this book offers a timely resource for graduate students and researchers, as well as for healthcare professionals managing service provision, planners and designers for healthcare buildings and environments, and international healthcare organizations.

Nickel in Soils and Plants (Paperback): Joerg Rinklebe, Christos Tsadilas, Magdi Selim Nickel in Soils and Plants (Paperback)
Joerg Rinklebe, Christos Tsadilas, Magdi Selim
R1,611 Discovery Miles 16 110 Ships in 12 - 19 working days

Soils with high Ni contents occur in several parts of the world, especially in areas with ultramafic rocks which cause serious environmental impacts. This book aims to extend the knowledge on the risks and problems caused by elevated Ni contents and to cover the existing gaps on issues related to various aspects and consequences of high Ni contents in soils and plants. Nickel in Soils and Plants brings together discussions on Ni as a trace element and as a micronutrient essential for plant growth and its role in plant physiology. It analyzes the biogeochemistry of Ni at the soil plant interface, and explains its behavior in the rhizosphere resulting in Ni deficiency or toxicity, or Ni tolerance of various Ni hyperaccumulators. Included are Ni resources and sources, the origin of soil Ni, its geochemical forms in soils and their availability to plants, a special reference on soils enriched with geogenic Ni, such as serpentine soils, and the special characteristics of those ecosystems. Recent advancements in methods of Ni speciation, including the macroscale and X- ray absorption spectroscopy studies as well as serious views on Ni kinetics, are also covered. Written by a team of internationally recognized researchers and expert contributors, this comprehensive work addresses the practical aspects of managing Ni in soils and plants for agricultural production, and managing soils with high Ni levels by using organic and inorganic amendments. The text also addresses practical measures related to Ni toxicity in plants, the removal and recovery of Ni from high Ni wastes, and offers environmentally friendly innovative processes for mining Ni from soils containing high Ni levels.

Food Safety Risks from Wildlife - Challenges in Agriculture, Conservation, and Public Health (Paperback, Softcover reprint of... Food Safety Risks from Wildlife - Challenges in Agriculture, Conservation, and Public Health (Paperback, Softcover reprint of the original 1st ed. 2016)
Michele Jay-Russell, Michael P. Doyle
R2,873 Discovery Miles 28 730 Ships in 10 - 15 working days

Foodborne illnesses caused by zoonotic pathogens associated with wildlife hosts are an emerging microbial food safety concern. Transmission of foodborne pathogens can occur through ingestion, or improper handling, of contaminated game meat. Wild and feral animals have also been investigated as potential sources of Campylobacter, Escherichia coli O157:H7 and other enteric pathogens following foodborne disease outbreaks linked to fresh fruits and vegetables (e.g., baby spinach in California, shelled-peas in Alaska, strawberries in Oregon). This book explores the range of bacterial, parasitic, and viral pathogens that have been described in wildlife populations in the United States, Europe and other parts of the world. It also addresses important challenges and solutions to balance agriculture, conservation, and public health goals. The book provides unique information on approaches in risk communication, co-management, and One Health in a wildlife-food safety context. The first five chapters review research on the detection, epidemiology and ecology of foodborne pathogens in wildlife populations including the influence of wildlife-livestock-human interactions. The second half of the book addresses current guidelines to mitigate microbial food safety risks from wildlife hosts and new regulations proposed by the U.S. Food and Drug Administration in the Food Safety Modernization Act Produce Safety Rule. Chapters are written by an array of internationally reco gnized authors, and will be of interest to agriculture safety experts, ecologists, environmental health specialists, food safety professionals, microbiologists, public health practitioners, veterinarians, wildlife biologists, and others in academia, government, industry, and students in these disciplines.

Filoviruses - A Compendium of 40 Years of Epidemiological, Clinical, and Laboratory Studies (Paperback, Softcover reprint of... Filoviruses - A Compendium of 40 Years of Epidemiological, Clinical, and Laboratory Studies (Paperback, Softcover reprint of the original 1st ed. 2008)
Jens Kuhn; Edited by Charles H. Calisher
R5,696 Discovery Miles 56 960 Ships in 10 - 15 working days

This is the first comprehensive review of the world literature on filovirus research and provides the most extensive bibliography of the subject yet published. There is special emphasis on foreign literature that has never been summarized. Every aspect of filovirus research, including their history, epidemiology, clinical picture, pathology, molecular biology, and political aspects are reviewed in detail.

Marine Algal Bloom: Characteristics, Causes and Climate Change Impacts (Paperback, Softcover reprint of the original 1st ed.... Marine Algal Bloom: Characteristics, Causes and Climate Change Impacts (Paperback, Softcover reprint of the original 1st ed. 2018)
Santosh Kumar Sarkar
R2,628 Discovery Miles 26 280 Ships in 10 - 15 working days

In the marine environment, single-celled, microscopic, plant-like organisms naturally occur in the well-lit surface layer of any body of water. These organisms, referred to as phytoplankton or microalgae, form the base of the food web upon which nearly all other marine organisms depend. Algal bloom is a rapid increase in or accumulation of the population of about 300 species of algae due to excess nutrients (eutrophication), and is of major global interest as it causes reduction in species diversity, abrupt changes in water quality, and discoloration of the water (green, yellow, brown or red) depending on the species of algae and the type of pigments they contain. Dying blooms can also be an environmental concern as when the cells sink and decay, bacteria break down the organic material, which in turn strips oxygen from the water. This microbial oxygen demand at times leads to very low oxygen levels in the bottom waters, harming aquatic life. Documentation of this sporadic high abundance of algae, together with the significant species richness of the diatoms, requires comprehensive studies in the Sundarban coastal environment, which is facing severe degradation due to natural & anthropogenic stressors. In addition, a better understanding of the effects of algal blooms on seafood quality, the complex biological, chemical and physical interactions and subsequent effects on trophodynamics is needed to develop strategies for effective coastal zone management. The book discusses the occurrence of harmful algal blooms (HABs) caused by the dinoflagellates of the genus Alexandrium and Karenia, or diatoms of the genus Pseudo-nitzschia, which have large and varied impacts on marine ecosystems (such as large-scale marine mortality events that have been associated with various types of shellfish poisonings) depending on the species involved, the environment where they are found, and the mechanism by which they exert negative effects. HABs represent a major environmental problem in all regions of the U.S., and their occurrence is on the rise due to increased nutrient pollution. HABs have severe impacts on human health, aquatic ecosystems, and the economy. Such blooms, known colloquially as red tides due to their red or brown hues, are increasing in frequency and magnitude worldwide as a result of changes in oceanic climate, increased coastal eutrophication and enhanced long-distance dispersal in ballast water. As such, the book offers an in-depth account of the complex biological, chemical and physical interactions of the algal blooms (both innocuous and harmful ones). It also discusses the highly topical issue of the impact of global climate change on the frequency and severity of HABs in the context of alterations in temperature, stratification, light and ocean acidification. Focusing on both basic and applied limnology, this book is a reliable and up-to-date reference resource for students, teachers and researchers engaged in the field of coastal research/management at regional and global scales.

Antiseptic Stewardship - Biocide Resistance and Clinical Implications (Paperback, Softcover reprint of the original 1st ed.... Antiseptic Stewardship - Biocide Resistance and Clinical Implications (Paperback, Softcover reprint of the original 1st ed. 2018)
Gunter Kampf
R7,673 Discovery Miles 76 730 Ships in 10 - 15 working days

Various antiseptic agents, such as chlorhexidine, are used for different applications, e.g. in healthcare, veterinary medicine, animal production and household products, including cosmetics. However, not all antiseptic agents provide significant health benefits, especially in some products used in human medicine (alcohol-based hand rubs, antimicrobial soaps). While some products (antimicrobial soaps, surface disinfectants, instrument disinfectants, wound antiseptics) may contain one or more biocidal agents with a comparable antimicrobial efficacy but large differences in their potential for microbial adaptation and tolerance. An increased bacterial resistance has been described for various antimicrobial agents, sometimes including a cross-resistance to antibiotics. The book is the first comprehensive reference resource on antiseptic agents, including their efficacy, natural and acquired resistance, adaptation, and cross-resistance. It also discusses their and appropriate use in terms of a balance between their efficacy and the risk of acquired bacterial resistance / tolerance. Focusing on human and veterinary medicine and household products, it helps readers make informed decisions concerning against antiseptic products based on their composition. The book contributes to reduce any unnecessary selection pressure towards emerging pathogens and to keep the powerful antiseptic agents for all those applications that have a clear benefit (e.g. reduction of healthcare-associated infection).

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