Lost Worlds Of The Guiana Highlands

The tablelands of the Guiana Highlands are among the most spectacular yet least explored mountains of our world. Each is an immense sandstone plateau known locally as a `tepui' that is encircled on all sides by gigantic vertical cliffs up to 1,000 metres tall. The summits of these unique mountains have remained isolated for millions of years, and today harbour plants, animals and landscapes that occur nowhere else on Earth. This work examines the story of the discovery and exploration of these remarkable mountains and considers the unique plants, animals and landscapes atop of these mysterious lost worlds. The introductory chapters of Lost Worlds outline the remarkable processes that led to the formation of the tepuis of the Guiana Highlands. The following chapter, The Discovery and Exploration of the Guiana Highlands, first reviews the Amerindian presence around, and perceptions of, the tepuis prior to the arrival of Europeans, and then moves to the discovery and description of these tablelands by Europeans from the 16th Century to the exploration of Mount Roraima early in the 20th Century. The next chapter, Some Strange Country of Nightmares provides an overview of the remarkable physical landscape of the summits of the tepuis with a focus on some of the most surprising geological features that are found on the plateau tops and in the nearby lowlands. The following chapter, Islands Above the Clouds, examines the unique evolutionary and ecological processes that have shaped and now give character to the biological landscapes of the tepui summits. The next chapter, Life Above the Clouds, looks at the remarkable diversity of organisms found on the summits of the tepuis and the diverse ways in which plants and animals have adapted to the demanding environmental conditions that occur in these highland environments. The final chapter, As a New Century Begins, reviews the current conservation and management issues relating to the future of Guiana. Lost worlds is the first and only comprehensive study of the remarkable natural history of the tepuis of the Guiana Highlands. The strengths of this book include (1) its uniquely detailed content; (2) the 248 spectacular figures including breath taking images, maps, historical illustrations and photo (3) the very first published images of several species of tepui dwelling plants and animals in their natural habitats. Lost Worlds is up-to-date, comprehensive, focused, well illustrated, and visually beautiful. It is technically written yet is accessible to specialist and non-specialist audiences and will be a valued source of information for all interested in the natural history of the remarkable tablelands of the Guiana!

This book provides comprehensive information on the geography, history, wildlife, governmental structure, economy, cultural diversity, peoples, religion, and culture of Venezuela. All books of the critically-acclaimed Cultures of the World� series ensure an immersive experience by offering vibrant photographs with descriptive nonfiction narratives, and interactive activities such as creating an authentic traditional dish from an easy-to-follow recipe. Copious maps and detailed timelines present the past and present of the country, while exploration of the art and architecture help your readers to understand why diversity is the spice of Life.

This book provides a comprehensive overview of the patterns of biodiversity in various neotropical ecosystems, as well as a discussion on their historical biogeographies and underlying diversification processes. All chapters were written by prominent researchers in the fields of tropical biology, molecular ecology, climatology, paleoecology, and geography, producing an outstanding collection of essays, synthetic analyses, and novel investigations that describe and improve our understanding of the biodiversity of this unique region. With chapters on the Amazon and Caribbean forests, the Atlantic rainforests, the Andes, the Cerrado savannahs, the Caatinga drylands, the Chaco, and Mesoamerica – along with broad taxonomic coverage – this book summarizes a wide range of hypotheses, views, and methods concerning the processes and mechanisms of neotropical diversification. The range of perspectives presented makes the book a truly comprehensive, state-of-the-art publication on the topic, which will fascinate both scientists and general readers alike.

The Guayana Highlands in northeastern tropical America, rising from lowland rain forests and savannas up to 3000 m elevation, are characterized by ancient tablelands called tepuis. The peatlands that developed on the tepuis constitute unique and fascinating ecosystems and are the focus of this volume, which starts with an overview of tropical and subtropical peats, followed by an introduction to the geo-ecological features of the Guayana region as a whole, with special emphasis on the diversity of the vegetation cover from lowlands to uplands to highlands. The core subject centers on the properties and dating of the peat deposits and the interpretation of the chronological record in terms of past environmental changes. The well illustrated book will appeal to a broad range of scientists interested in tropical highland peats, including quaternarists, soil scientists, geomorphologists, geographers, geologists, ecologists, botanists, hydrologists, conservationists, and land use planners.

Plants have been exposed to multiple environmental stressors on long-term (seasonal) and short-term (daily) basis since their appearance on land. However, the frequency and the intensity of stress events have increased much during the last three decades because of climate change. Plants have developed, however, a multiplicity of modular and highly integrated strategies to cope with challenges imposed by novel, usually harsher environments. These strategies include migration, acclimation and adaptation. Twelve articles in this research topic exactly focus on the relative significance of these response mechanisms for the successful acclimation of plants to a wide range of novel environmental pressures. Four articles , additionally, explore how plants respond to severe stress conditions resulting from the concurrent action of multiple stressors. Ten articles mostly examine how morpho-anatomical, physiological and biochemical-related traits integrate when plants suffer from ‘novel’ threats, such as solid, gaseous, and electromagnetic pollutants. Suitable physiological indicators for developing conservation strategies are described in the last two works. This research topic highlights that bottom-up, as well as, top-down approaches will be necessary to develop in near future in the study of plants´ responses to environmental pressures.

Biodiversity of Pantepui: The Pristine "Lost World" of the Neotropical Guiana Highlands provides the most updated and comprehensive knowledge on the biota, origin, and evolution of the Pantepui biogeographical province. It synthesizes historical information and recent discoveries, covering the main biogeographic patterns, evolutionary trends, and conservational efforts. Written by international experts on the biodiversity of this pristine land, this book explores what makes Pantepui a unique natural laboratory to study the origin and evolution of Neotropical biodiversity under the influence of only natural drivers. It discusses the organisms living in Pentepui, including algae, plants, several groups of invertebrates, birds, amphibians, reptiles, and mammals. The latter portion of the book delves into the effects of human activity and global warming on Pantepui, and current conservational efforts to combat these threats. Biodiversity of Pantepui is an important resource for researchers in ecology, biogeography, evolution, and conservation, who want to understand the biodiversity and natural history of this region, and how to help conserve and protect the Guiana Highlands from environmental and human damages. Offers a climactic and ecological history of the region since the Late Glacial epoch Discusses the evolutionary origin of the Pantepui biota and its biogeographical patterns Led by a team of editors whose expertise includes Pantepui, the Guiana Shield, and the Neotropics in general

Discover Earth's most beautiful and fascinating natural landmarks. From the spectacular granite domes of Yosemite to the reefs of the Bahama Banks and the ice sheets of the Antarctic, this is an unparalleled survey of the world's natural treasures. From the Rocky Mountains to the Great barrier Reef and everything in between, Natural Wonders of the World combines breathtaking landscape photography and illustrations with 3-D terrain models and other explanatory artworks to reveal what lies beneath the surface and explain the geological processes to show how the features were formed. Plants and animals that inhabit each environment are also included, making Natural Wonders of the World a complete celebration of our world. Produced in association with the Smithsonian Institution.

From Machu Picchu to the Pyramids of Giza and beyond, this travel-lover's delight takes readers on a breathtaking visual journey to the world's most historic wonderlands. Pack your bags for an extraordinary adventure with National Geographic to more than 50 places that have captivated our imaginations for centuries. In this visually stunning volume, the world's leading authority on cultural travel and history showcases bucket-list-ready destinations on every continent, from Easter Island's haunting stone moai to Kyoto's breathtaking temples. Vintage photographs from the National Geographic archives tell the backstory of the discovery and earliest visitors to places like Carthage, Pompeii, Victoria Falls, and more, while showstopping contemporary photographs bring them to life in exquisite detail. Full-spread features highlight lesser-known hidden sites, such as Pompeii's better-preserved sister city Herculaneum and the less-visited Maya city El Mirador in Guatemala’s jungle, offer readers extraordinary opportunities to deepen their travel experience and discover places where the past can truly come to life. With practical travel tips to help readers get started planning their own legendary journey, this is the perfect gift to keep—or share.

Mankind has evolved both genetically and culturally to become a most successful and dominant species. But we are now so numerous and our technology is so p- erful that we are having major effects on the planet, its environment, and the b- sphere. For some years prophets have warned of the possible detrimental consequences of our activities, such as pollution, deforestation, and overfishing, and recently it has become clear that we are even changing the atmosphere (e. g. ozone, carbon dioxide). This is worrying since the planet’s life systems are involved and dependent on its functioning. Current climate change – global w arming – is one recognised consequence of this larger problem. To face this major challenge, we will need the research and advice of many disciplines – Physics, Chemistry, Earth Sciences, Biology, and Sociology – and particularly the commitment of wise politicians such as US Senator Al Gore. An important aspect of this global problem that has been researched for several decades is the loss of species and the impoverishment of our ecosystems, and hence their ability to sustain themselves, and more particularly us! Through evolutionary time new species have been generated and some have gone extinct. Such extinction and regeneration are moulded by changes in the earth’s crust, atmosphere, and resultant climate. Some extinctions have been massive, particularly those asso- ated with catastrophic meteoric impacts like the end of the Cretaceous Period 65Mya.