Mosses, Liverworts & Hornworts of Ascension Island
Author | : Silvia Pressel |
Publisher | : |
Total Pages | : 137 |
Release | : 2017 |
Genre | : Hornworts (Bryophytes) |
ISBN | : 9781874357803 |
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Author | : Silvia Pressel |
Publisher | : |
Total Pages | : 137 |
Release | : 2017 |
Genre | : Hornworts (Bryophytes) |
ISBN | : 9781874357803 |
Author | : Roger Riddington |
Publisher | : Bloomsbury Publishing |
Total Pages | : 477 |
Release | : 2020-07-23 |
Genre | : Nature |
ISBN | : 1472977289 |
An authoritative guide to birds of the UK Overseas Territories. The UK Overseas Territories (UKOTs) are scattered across the globe. Most are small islands or island complexes, occurring from the Caribbean to the furthest reaches of the South Atlantic, via the Indian and Pacific Oceans. In terms of global biodiversity, these territories are remarkably significant. Among landscapes that range from coral atolls, through mangroves and dry forests to the ice sheets of Antarctica, the UKOTs support no fewer than 45 species of birds currently considered to be globally threatened. They are also home to a third of all the world's breeding albatrosses, and nine of the world's 17 species of penguin. In a rapidly changing world, the UKOTs symbolise global crises in climate and biodiversity. Threats faced by their wildlife range from mortality of seabirds at sea through industrial fisheries, and on land as a result of introduced ground predators, to the utter devastation of hurricanes in the Caribbean, which provide a stark reminder of our changing climate. The human impact on the wildlife of our planet has been increasing for centuries, but the next few decades promise to be critical. This book, illustrated with maps and colour photos, explores the birds and other wildlife of each of the 14 UKOTs, with a particular focus on environmental threats and conservation priorities. Written by authors with a deep connection to the sites, this book represents an important stocktake of the biological richness of these special places in the early 21st century.
Author | : Christopher David Preston |
Publisher | : |
Total Pages | : 326 |
Release | : 2019 |
Genre | : Liverworts |
ISBN | : 9781874357896 |
Author | : Marcelino J. del Arco Aguilar |
Publisher | : Springer |
Total Pages | : 437 |
Release | : 2018-07-18 |
Genre | : Science |
ISBN | : 3319772554 |
The volcanic and oceanic nature of the Canary Islands, its rich plant biodiversity and high rate of endemism, as well as the relict character of some of its plant communities make it a territory of great biological interest. The main geographic, climatic, bioclimatic, biogeographic and floristic features of the Islands are shown and related to the distributional pattern of potential communities along an altitudinal gradient. Current vegetation units and their ecology are described and illustrated with numerous pictures. Potential vegetation units are summarized and comprehensive maps of the potential natural vegetation for each island are given. Human impact on the natural landscape, the occurrence of invasive plants, and the probable impact of climate change on the flora and vegetation are discussed. The conservation status of flora and vegetation are assessed. Four appendixes include a syntaxonomical scheme, a brief history of botanical studies and explorations in the Islands, ethnobotanical notes, and a list of selected literature.
Author | : A.N. Rai |
Publisher | : Springer Science & Business Media |
Total Pages | : 357 |
Release | : 2007-05-08 |
Genre | : Science |
ISBN | : 0306480050 |
Cyanobacterial symbioses are no longer regarded as mere oddities but as important components of the biosphere, occurring both in terrestrial and aquatic habitats worldwide. It is becoming apparent that they can enter into symbiosis with a wider variety of organisms than hitherto known, and there are many more still to be discovered, particularly in marine environments. The chapters cover cyanobacterial symbioses with plants (algae, bryophytes, Azolla, cycads, Gunnera), cyanobacterial symbioses in marine environments, lichens, Nostoc-Geosiphon (a fungus closely related to arbuscular mycorrhiza fungi) symbiosis, and artificial associations of cyanobacteria with economically important plants. In addition, cyanobiont diversity, sensing-signalling, and evolutionary aspects of the symbiosis are dealt with. Renowned experts actively involved in research on cyanobacterial symbioses deal with ecological, physiological, biochemical, molecular, and applied aspects of all known cyanobacterial symbioses. This volume on cyanobacteria in symbiosis complements the two earlier volumes on cyanobacteria published by Kluwer (Molecular Biology of Cyanobacteria, edited by D.A. Bryant and Ecology of Cyanobacteria, edited by B.A. Whitton and M. Potts). Together, the three volumes provide the most comprehensive treatment of cyanobacterial literature as a whole. The book will serve as a valuable reference work and text for teaching and research in the field of plant-microbe interactions and nitrogen fixation.
Author | : Jonathan Baillie |
Publisher | : IUCN |
Total Pages | : 228 |
Release | : 2004 |
Genre | : Nature |
ISBN | : 9782831708263 |
Applies Red List data to calculate a Red List Index.
Author | : Jiří Váňa |
Publisher | : Magnolia Press |
Total Pages | : 82 |
Release | : 2010 |
Genre | : Jungermanniales |
ISBN | : 1869775996 |
Author | : Hélène Bischler-Causse |
Publisher | : |
Total Pages | : 280 |
Release | : 2005 |
Genre | : Science |
ISBN | : |
Author | : Walter V. Reid |
Publisher | : |
Total Pages | : 144 |
Release | : 1989 |
Genre | : Nature |
ISBN | : |
Why is Biological Diversity Important; Where is the worlds biodiversity located; Extinction;how serios is the theart; What happening to agricultural genetic diversity;Biodiversity conservation: what are the right tools for the job.
Author | : Jukka Laine |
Publisher | : |
Total Pages | : 326 |
Release | : 2018 |
Genre | : Peat mosses |
ISBN | : 9789515131430 |