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Books > Earth & environment > The environment > Applied ecology > Biodiversity
The biological composition and richness of most of the Earth's
major ecosystems are being dramatically and irreversibly
transformed by anthropogenic activity. Yet, despite the vast areal
extent of our oceans, the mainstay of research to-date in the
biodiversity-ecosystem functioning arena has been weighted towards
ecological observations and experimentation in terrestrial plant
and soil systems. This book provides a framework for examining the
mechanistic processes transferable to marine systems.
The biological composition and richness of most of the Earth's
major ecosystems are being dramatically and irreversibly
transformed by anthropogenic activity. Yet, despite the vast areal
extent of our oceans, the mainstay of research to-date in the
biodiversity-ecosystem functioning arena has been weighted towards
ecological observations and experimentation in terrestrial plant
and soil systems. This book provides a framework for examining the
mechanistic processes transferable to marine systems.
Biological Diversity provides an up to date, authoritative review of the methods of measuring and assessing biological diversity, together with their application. The book's emphasis is on quantifying the variety, abundance, and occurrence of taxa, and on providing objective and clear guidance for both scientists and managers. This is a fast-moving field and one that is the focus of intense research interest. However the rapid development of new methods, the inconsistent and sometimes confusing application of old ones, and the lack of consensus in the literature about the best approach, means that there is a real need for a current synthesis. Biological Diversity covers fundamental measurement issues such as sampling, re-examines familiar diversity metrics (including species richness, diversity statistics, and estimates of spatial and temporal turnover), discusses species abundance distributions and how best to fit them, explores species occurrence and the spatial structure of biodiversity, and investigates alternative approaches used to assess trait, phylogenetic, and genetic diversity. The final section of the book turns to a selection of contemporary challenges such as measuring microbial diversity, evaluating the impact of disturbance, assessing biodiversity in managed landscapes, measuring diversity in the imperfect fossil record, and using species density estimates in management and conservation.
This book presents a new account of Euphorbia in southern Africa. Euphorbia is the second largest genus of plants in the world. Southern Africa enjoys a high diversity in Euphorbia and 170 species occur here naturally. Of these 170 species, 128 or 74% are endemic. Where most species of Euphorbia in the northern hemisphere are herbs or shrubs, most of those in southern African are succulent. These succulents range from small, almost geophytic forms where the tuber is larger than the above-ground parts to huge trees 6 to 15 m or more in height. Many of them are spiny. There are also small numbers of herbaceous species in southern Africa and many of these are also dealt with here. The last account of the succulent species for southern Africa was published in 1941 and much new data has accumulated since then. Our understanding of the relationships of the species in Euphorbia has also been greatly enhanced by recent analyses of DNA-data, which led to new and unexpected results. From this new information an entirely new classification was developed, in which Euphorbia was divided into four subgenera. This provides the taxonomic framework for the presentation of our species here. Around ten new species have been described and these are presented in detail for the first time. This monograph is made up of two volumes. Volume 1 contains an extensive introductory chapter with an overview of the genus in the region, emphasizing many of its important and distinctive features. This is followed by Chapter 2, which deals with subgenus Athymalus. Of the four subgenera, this one is by far the most diverse in southern Africa, with 80 species. Volume 2 contains Chapters 3 (subg. Chamaesyce, 34 species), 4 (subg. Esula, 11 species) and 5 (subg. Euphorbia, 45 species), as well as an additional Chapter 6 covering the remarkable diversity of subg. Euphorbia in Mocambique. Each of Chapters 2 to 5 includes a key to all the species, followed by an account of each of them. This account includes synonymy, a description, data on distribution and habitat, line-drawings of floral features and other diagnostic details, notes on how the species is distinguished from its closest relatives and a brief history of its discovery. Several colour photographs are included for each species, illustrating its habitat, vegetative habit and flowering features, demonstrating key points distinguishing it from others and often showing its variability. Euphorbia is an important component of the vegetation in many of the drier parts of southern Africa. This book is based on a thorough evaluation of the vast herbarium record for southern African members of Euphorbia, on the extensive field-work conducted in the region and the wide taxonomic experience of the author. It is believed that both the professional botanist and the layman will find much that is new and informative in this monograph.
Comprising a substantial part of living biomass on earth, ants are
integral to the functioning of terrestrial ecosystems. More than
12,500 species have been described to date, and it is estimated
that perhaps as many still await classification.
Conservation Biology for All provides cutting-edge but basic
conservation science to a global readership. A series of
authoritative chapters have been written by the top names in
conservation biology with the principal aim of disseminating
cutting-edge conservation knowledge as widely as possible.
Important topics such as balancing conversion and human needs,
climate change, conservation planning, designing and analyzing
conservation research, ecosystem services, endangered species
management, extinctions, fire, habitat loss, and invasive species
are covered. Numerous textboxes describing additional relevant
material or case studies are also included.
Comprising a substantial part of living biomass on earth, ants are
integral to the functioning of terrestrial ecosystems. More than
12,500 species have been described to date, and it is estimated
that perhaps as many still await classification.
The authors are two of the best taxonomic experts in crustacean decapods, who have established the actual taxonomy and systematic of numerous and important groups of decapods. They have introduced new views and approaches on the taxonomy, phylogeny and biogeography of these crustaceans. This international edition adds diagnoses and identification keys to all world families and genera: this information simply doesn't exist in any other book. During the last decade, the world register of marine species (WORMS) has created the list of known species and promoted the publication of numerous compilations on crustacean decapods. However, except specialists of each taxa, very few colleagues can identify correctly the new families and genera - there are no keys to these new groups. This book is the first to contain these world keys and is therefore a life rope for students, marine biologists, taxonomists and naturalists. The mixture of taxonomic line drawings, color illustrations and images of real-life specimens is extremely helpful for identification, especially when working in the field.
How will biodiversity loss affect ecosystem functioning, ecosystem
services, and human well-being?
The Amazon is a land of superlatives. The complex ecosystem covers an area about the size of the continental U.S. The Amazon River discharges 57 million gallons of water per second-in two hours, this would be enough to supply all of New York City's 7.5 million residents with water for a year. Its flora and fauna are abundant. Approximately one of every four flowering plant species on earth resides in the Amazon. A single Amazonian river may contain more fish species than all the rivers in Europe combined. It is home to the world's largest anteater, armadillo, freshwater turtle, and spider, as well as the largest rodent (which weighs over 200 lbs.), catfish (250 lbs.), and alligator (more than half a ton). The rainforest, which contains approximately 390 billion trees, plays a vital role in stabilizing the global climate by absorbing massive amounts of carbon dioxide-or releasing it into the atmosphere if the trees are destroyed. Severe droughts in both Brazil and Southeast Asia have been linked to Amazonian deforestation, as have changing rainfall patterns in the U.S., Europe, and China. The Amazon also serves as home to millions of people. Approximately seventy tribes of isolated and uncontacted people are concentrated in the western Amazon, completely dependent on the land and river. These isolated groups have been described as the most marginalized peoples in the western hemisphere, with no voice in the decisions made about their futures and the fate of their forests. In this addition to the What Everyone Needs to Know (R) series, ecologist and conservation expert, Mark J. Plotkin, who has spent 40 years studying Amazonia, its peoples, flora, and fauna. The Amazon offers an engaging overview of this irreplaceable ecosystem and the challenges it faces.
GIS for Science, Volume 3: Maps for Saving the Planet, highlights real-world examples of scientists creating maps about saving life on Earth and preserving biodiversity. With Earth and the natural world at risk from various forces, geographic information system (GIS) mapping is essential for driving scientifically conscious decision-making about how to protect life on Earth. In volume 3 of GIS for Science, explore a collection of maps from scientists working to save the planet through documenting and protecting its biodiversity. In this volume, learn how GIS and data mapping are used in tandem with global satellite observation forestry marine policy artificial intelligence conservation biology, and environmental education to help preserve and chronicle life on Earth. This volume also spotlights important global action initiatives incorporating conservation, including Half-Earth, 30 x 30, AI for Earth, the Blue Nature Alliance, and the Sustainable Development Solutions Network. The stories presented in this third volume are ideal for the professional scientist and conservationist and anyone interested in the intersection of technology and the conservation of nature. The book's contributors include scientists who are applying geographic data gathered from the full spectrum of remote sensing and on-site technologies. The maps and data are brought to life using ArcGIS (R) software and other spatial data science tools that support research, collaboration, spatial analysis, and science communication across many locations and within diverse communities. The stories shared in this book and its companion website present inspirational ideas so that GIS users and scientists can work toward preserving biodiversity and saving planet Earth before time runs out.
The RSPB’s Book of the Season The distinctive white-tailed sea eagle was driven to extinction in Britain more than 200 years ago, but this immense predator is making a return to our skies, thanks to Roy Dennis, an ornithologist, conservationist and arguably the driving force behind the UK’s reintroduction agenda. Roy was instrumental in returning the Osprey, red kite and golden eagle to the British Isles, but the road to reintroduction isn’t an easy one. In what will surely be the seminal book on British reintroductions, Roy details the painstaking process of returning the Goldeneye to Scotland, one duckling at a time, the die-hard determination needed to make a dazzling success of the red kite reintroduction and the leap of faith we will all need to make to accept sharing our forests and skies with large carnivores again. He also illustrates all that we have to gain by restoring our ecosystems to balance. Filled with a lifetime’s worth of stories from the front lines of conservation, Reintroduction offers an eye-opening insight into the complexities of reintroducing extinct animals to Britain. It’s also an intimate portrait of these apex predators and a reminder of why we need them.
When scientists discovered transgenes in local Mexican corn varieties in 2001, their findings intensified a debate about not only the import of genetically modified (GM) maize into Mexico but also the fate of the peasantry under neoliberal globalization. While the controversy initially focused on the extent to which gene flow from transgenic to local varieties threatens maize biodiversity, anti-GM activists emphasized the cultural significance of the crop in Mexico and demanded that campesinos and consumers have a voice in the creation of GM maize and rural policies. In The Struggle for Maize, Elizabeth Fitting explores the competing claims of the GM corn debate in relation to the livelihood struggles of small-scale maize producers, migrants, and maquiladora workers from the southern Tehuacán Valley. She argues that the region’s biodiversity is affected by state policies that seek to transform campesinos into entrepreneurs and rural residents into transnational migrant laborers. While corn production and a campesino identity remain important to an older generation, younger residents have little knowledge of or interest in maize agriculture; they seek out wage labor in maquiladoras and the United States. Fitting’s ethnography illustrates how agricultural producers and their families respond creatively to economic hardship and Mexico’s “neoliberal corn regime,” which promotes market liberalization, agricultural “efficiency,” and the reduction of state services over domestic maize production and food sovereignty.
Imagine that you are an environmentalist who passionately believes that it is wrong to drill for oil in the Arctic National Wildlife Refuge. How do you convince someone that a decision to drill is wrong? Debates about the environment and how humans ought to treat it have gone on for decades, yet arguments in favor of preserving biodiversity often lack empirical substance or are philosophically naive, making them far less effective than they could be. This book critically examines arguments that are commonly offered in support of biodiversity conservation. The authors adopt a skeptical viewpoint to thoroughly test the strength of each argument and, by demonstrating how scientific evidence can be integrated with philosophical reasoning, they help environmentalists to better engage with public debate and judiciously inform public policy. This interdisciplinary and accessible book is essential reading for anyone who engages in discussions about the value of biodiversity conservation.
First published in 1979, Why Big Fierce Animals Are Rare has established itself as a seminal work in ecology. Now with a new foreword by ecologist and writer Cristina Eisenberg, this penetrating study of ecosystems and animal populations is more relevant than ever. What accounts for the many different species of insect? Why does the robin population stay relatively steady year after year, despite the fact that their nests contain several chicks at once? Paul Colinvaux traces the ecologist's quest to answer these questions and more in this accessibly written book. He brings to the subject both profound knowledge and an enthusiasm that will encourage a greater understanding of the environment and of the efforts of those who seek to preserve it.
The Burren is one of those rare and magical places where geology, glacial history, botany, zoology and millennia of cultural history have converged to create a unique landscape of extraordinary natural history interest. It is without equal to any other area in Ireland or Britain. To the unsuspecting tourist, much of the landscape of the Burren looks bleak, rocky, and inhospitable for any sort of farming. Yet the Burren is an agricultural landscape that has been continuously farmed since the first settlers began clearing the forest cover in the Neolithic period. Today there are several hundred farms within the Burren area. Most of these families live and work there and the farmers are crucial for the Burren's future as an area of unique landscape and ecological interest. The area attracts any naturalist with an eye for beauty, but it is the intricacies of the species' ecology, their links to the soil or to a particular insect that is really fascinating. It is a veritable paradise for naturalists - not only do plants seem to grow on next to nothing, but all the organisms have survived the comings and goings of woodland, the multiple mouths of grazing animals and the passage of several civilisations over 6,000 years. How they have persisted in such exuberance and diversity is a testament to their past evolution and to the gene complement that they have accumulated over several million years previously, allowing them to adapt to a multitude of different conditions. In this timely addition to the New Naturalist Library, the authors examine the ecology of the Burren, delving into the history of its exploration. One of the overriding concerns is the impact of tourism, which has been accelerated and stimulated by the promotion of the Wild Atlantic Way in recent years. Its impact is currently being addressed by the Geopark LIFE project, along with other tourism-related issues. Any future expansion of the Burren National Park, coupled with more vigilant, but judicious, land management, would have potential to enhance the protection of biodiversity. As 'the jewel in the ecological crown of Ireland', the area must be imaginatively protected and managed for our present and future generations.
Black-tailed and mule deer represent one of the largest distributions of mammals in North America and are symbols of the wide-open American West. Each chapter in the book was authored by the world's leading experts on that topic. Both editors, James R. Heffelfinger and Paul R. Krausman, are widely published in the popular and scientific press and recipients of the O. C. Wallmo Award, given every two years to a leading black-tailed and mule deer expert who has made significant contributions to the conservation of this species. In addition, Heffelfinger has chaired the Mule Deer Working Group sponsored by the Western Association of Fish and Wildlife Agencies for more than 15 years. This working group consists of the leading black-tailed and mule deer experts from each of 24 states, provinces, and territories in western North America, putting them at the forefront of all conservation and much of the research on this species. The book represents all current knowledge available on these deer, including how changing conditions such as fires, habitat alteration and loss, disease, climate change, socio-economic forces, energy development, and other aspects are influencing their distribution and abundance now and into the future. It takes a completely fresh look at all chapter topics. The revisions of distribution, taxonomy, evolution, behavior, and new and exciting work being done in deer nutrition, migration and movements, diseases, predation, and human dimensions are all assembled in this volume. This book will instantly become the foundation for the latest information and management strategies to be implemented on the ground by practitioners and to inform the public. Although this book is about deer, the topics discussed influence most terrestrial wildlife worldwide and the basic concepts in many of the chapters are applicable to other species.
One of the greatest unmet challenges in conservation biology is the genetic management of fragmented populations of threatened animal and plant species. More than a million small, isolated, population fragments of threatened species are likely suffering inbreeding depression and loss of evolutionary potential, resulting in elevated extinction risks. Although these effects can often be reversed by re-establishing gene flow between population fragments, managers very rarely do this. On the contrary, genetic methods are used mainly to document genetic differentiation among populations, with most studies concluding that genetically differentiated populations should be managed separately, thereby isolating them yet further and dooming many to eventual extinction! Many small population fragments are going extinct principally for genetic reasons. Although the rapidly advancing field of molecular genetics is continually providing new tools to measure the extent of population fragmentation and its genetic consequences, adequate guidance on how to use these data for effective conservation is still lacking. This accessible, authoritative text is aimed at senior undergraduate and graduate students interested in conservation biology, conservation genetics, and wildlife management. It will also be of particular relevance to conservation practitioners and natural resource managers, as well as a broader academic audience of conservation biologists and evolutionary ecologists.
Protecting endangered species of animals and plants is a goal that almost everyone supports in principle--but in practice private landowners have often opposed the regulations of the Endangered Species Act, which, they argue, unfairly limits their right to profit from their property. To encourage private landowners to cooperate voluntarily in species conservation and to mitigate the economic burden of doing so, the government and nonprofit land trusts have created a number of incentive programs, including conservation easements, leases, habitat banking, habitat conservation planning, safe harbors, candidate conservation agreements, and the "no surprise" policy. In this book, lawyers, economists, political scientists, historians, and zoologists come together to assess the challenges and opportunities for using economic incentives as compensation for protecting species at risk on private property. They examine current programs to see how well they are working and also offer ideas for how these programs could be more successful. Their ultimate goal is to better understand how economic incentive schemes can be made both more cost-effective and more socially acceptable, while respecting a wide range of views regarding opportunity costs, legal standing, biological effectiveness, moral appropriateness, and social context.
The introduction of plant and animal agriculture represents one of the most important milestones in human evolution. It contributed to the development of cities, alphabets, new technologies, and ultimately to civilizations, but it has also presented a threat to both human health and the environment. Bringing together research from a range of fields including anthropology, archaeology, ecology, economics, entomology, ethnobiology, genetics and geography, this book addresses key questions relating to agriculture. Why did agriculture develop and where did it originate? What are the patterns of domestication for plants and animals? How did agroecosystems originate and spread from their locations of origin? Exploring the cultural aspects of the development of agricultural ecosystems, the book also highlights how these topics can be applied to our understanding of contemporary agriculture, its long-term sustainability, the co-existence of agriculture and the environment, and the development of new crops and varieties.
Integrating research into freshwater biodiversity and the role of keystone species, this fascinating book presents freshwater crayfish as representatives of human-exacerbated threats to biodiversity and conservation. It uses examples from these and other large decapod invertebrates to explore how communities function and are controlled, alongside the implications of human demands and conflicts over limited resources, notably the severe impacts on biodiversity. The discussion is structured around three key topics – the present situation of crayfish in world freshwater ecosystems, the applications of science to conservation management and knowledge transfer for successful crayfish management. It outlines the historic exploitation of crayfish, addressing the problems caused by invasive alien forms and explaining the importance of correct identification when dealing with conservation issues. Offering a global perspective on freshwater systems, the book ultimately highlights how the conservation of such large and long-lived species will help protect ecosystem quality in the future.
Die Darstellung ist inhaltlich und in ihrem Aufbau darauf ausgerichtet, die rechtlichen Vorgaben des Umweltschadensgesetzes hinsichtlich der Haftung bei Biodiversitatsschaden in einen vollzugstauglichen Leitfaden zu ubertragen. Im Mittelpunkt steht die Konkretisierung und praktische Handhabung des Umweltschadensbegriffs. Ausgehend von den rechtlichen Rahmenbedingungen fur eine Haftung bei Biodiversitatsschaden und der normativen Bestimmung der sogenannten Erheblichkeitsschwelle, erfolgt die vollstandige Auflistung der relevanten Schutzguter und fuhrt schliesslich zu einer standardisierten, okologisch begrundeten Methode der Erfassung, Risikoabschatzung und Bewertung von Biodiversitatsschaden. Damit kann eine erste Hilfestellung fur die Vollzugsbehorden aber auch all denjenigen, die sich mit einer Haftung bei Biodiversitatsschaden nach dem USchadG beschaftigen gegeben werden."
Human induced development activities are introduced with insufficient attention to their consequences for our living environment, even in cases where environmental assessments have been carried out. This apparent lack of attention to biodiversity in environmental assessment is rooted in the difficulties we have in adequately addressing biodiversity within the scope, time frame and budget allocated for assessments. This book provides a conceptual background and practical approaches to overcome these difficulties. It integrates the objectives of the Convention on Biological Diversity, its ecosystem approach, and the conceptual framework of the Millennium Ecosystem Assessment into a comprehensive approach to biodiversity in environmental assessment. It highlights the need to consider the value of biodiversity based on its use by each stakeholder, addresses the importance of both social and economic development to reach the Millennium Development Goals, and provides insights into ways to balance present and future needs.
Key Features: more information on macroalgae detailed description of biotic associations updated description of biomass cultivation systems coverage of different "omic" approaches and tools used in algal investigation an expanded and updated algae utilization chapter.
Unter der Einwirkung der Naturwissenschaften hat die Medizin am Anfang des 19. Jahrhunderts eine kopernikanische Wende" vollzogen. Dies geschah unter wesentlichem Einfluss des Berliner Arztes und Politikers Rudolf Virchow. Der naturwissenschaftliche Krankheitsbegriff wurde mit der Lehre von den Krankheiten, der Pathologie erarbeitet. Die weitere Entwicklung der Medizin konnte mit der Bakteriologie, Immunologie - uber die organbezogenen klinischen Disziplinen - bis zur Psychosomatik auf dieser Basis aufbauen." |
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