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Books > Science & Mathematics > Biology, life sciences > Hydrobiology

Die Meerwasser-Trinkkur - Auf Grund Wissenschaftlicher Untersuchungen Und Beobachtungen (German, Paperback, 1938 ed.): Vogt Vogt Die Meerwasser-Trinkkur - Auf Grund Wissenschaftlicher Untersuchungen Und Beobachtungen (German, Paperback, 1938 ed.)
Vogt Vogt
R1,579 Discovery Miles 15 790 Ships in 18 - 22 working days

Mit dem vorIiegenden Heft iiber die Meerwassertrinkkur beginnt eine Folge von Abhandlungen aus dem Gebiet der Bader-und KIimaheilkunde. Die aufkommende Bewegung einer naturnahen Medizin, das groBe Interesse, das von Laien und Arzten den natiirIichen Heilmitteln und ihrem Verwendungs bereich zugewandt wird, die modernen Fragestellungen der neuzeitllchen Medizin und ihrer Grenzgebiete lassen es berechtigt erscheinen, diese Schriftfolge vor zulegen, die je nach dem sich ergebenden Bediirfnis in zwangloser Folge er scheinen wird. Auf dem Gebiet, dem diese Abhandlungen gelten, der Lehre von den Trink quellen, Badern und Mooren und dem HeilkIima, wird von allen Seiten zur Zeit intensiv gearbeitet. Das ist nicht nur in den obigen Verhaltnissen begriindet, sondern hangt auch damit zusammen, daB im Gegensatz zu friiher uns nun mehr Arbeitsplatze und Laboratorien in zahlreichen Orten in Deutschland zur Verfiigung stehen, .um die sich ergebenden Fragen des Gebietes anzugehen. Das neue Deutschland hat in der Betreuung der natiirIichen Heilgiiter unserer Heimat dem Gebiet der Quellen, Bader und Klimazonen eine besondere Auf merksamkeit zugewandt und Mittel und Wege gefunden, um diesen Dingen eine friiher nicht gekannte Organisation und damit die Grundlage fiir eine frucht bare Arbeit zu geben. Die Reichsanstalt fiir das deutsche Baderwesen als die Zentrale fiir die Bader heilkunde, das Reichsamt fiir Wetterdienst alB der Mittelpunkt (neben seinen anderen Aufgaben) fUr den KurortkIimadienst ermogIichten hier eine einheitIiche Leitung und eine gleichmaBige Betreuung des gesamten deutschen Reichsgebietes."

Ice Rivers (Hardcover): Jemma Wadham Ice Rivers (Hardcover)
Jemma Wadham
R529 Discovery Miles 5 290 Ships in 10 - 15 working days

Longlisted for the Wainwright Prize Shortlisted for the Richard Jeffries Award The story of one woman's passion for glaciers As one of the world's leading glaciologists, Professor Jemma Wadham has devoted her career to the glaciers that cover one-tenth of the Earth's land surface. Today, however, these 'ice rivers' are in peril. High up in the Alps, Andes and Himalaya, once-indomitable glaciers are retreating; in Antarctica, meanwhile, thinning ice sheets are releasing meltwater to sensitive marine foodwebs, and may be unlocking vast quantities of methane stored deep beneath them. The potential consequences for humanity are almost unfathomable. Jemma's first encounter with a glacier, as a student, sparked her love of these icy landscapes. There is nowhere on Earth she feels more alive. Whether abseiling down crevasses, skidooing across frozen fjords, exploring ice caverns, or dodging polar bears - for a glaciologist, it's all in a day's work. Prompted by an illness that took her to the brink of death and back, in Ice Rivers Jemma recalls twenty-five years of expeditions around the globe, revealing why the glaciers mean so much to her - and what they should mean to us. As she guides us from the Alps to the Andes, the importance of the ice to crucial ecosystems and human livelihoods becomes clear - our lives are entwined with these coldest places on the planet. This is a memoir like no other: an eye-witness account by a top scientist at the frontline of the climate crisis, and an impassioned love letter to the glaciers that are her obsession.

We Are All Whalers - The Plight of Whales and Our Responsibility (Hardcover): Michael J. Moore We Are All Whalers - The Plight of Whales and Our Responsibility (Hardcover)
Michael J. Moore
R778 Discovery Miles 7 780 Ships in 9 - 17 working days

The image most of us have of whalers includes harpoons and intentional trauma. Yet eating commercially caught seafood leads to whales' entanglement and slow death in rope and nets, and the global shipping routes that bring us readily available goods often lead to death by collision. We-all of us-are whalers, marine scientist and veterinarian Michael J. Moore contends. But we do not have to be. Drawing on over forty years of fieldwork with humpback, pilot, fin, and in particular, North Atlantic right whales-a species whose population has declined more than twenty percent since 2017-Moore takes us with him as he performs whale necropsies on animals stranded on beaches, in his independent research alongside whalers using explosive harpoons, and as he tracks injured whales to deliver sedatives. The whales' plight is a complex, confounding, and disturbing one. We learn of existing but poorly enforced conservation laws and of perennial (and often failed) efforts to balance the push for fisheries profit versus the protection of endangered species caught by accident. But despite these challenges, Moore's tale is an optimistic one. He shows us how technologies for rope-less fishing and the acoustic tracking of whale migrations make a dramatic difference. And he looks ahead with hope as our growing understanding of these extraordinary creatures fuels an ever-stronger drive for change.

Marine Biology - 96 Word Search Puzzles for the Ocean Lover's Soul (Large print, Paperback, Large type / large print... Marine Biology - 96 Word Search Puzzles for the Ocean Lover's Soul (Large print, Paperback, Large type / large print edition)
Nola Lee Kelsey
R284 Discovery Miles 2 840 Ships in 18 - 22 working days
Freshwater Biodiversity - Status, Threats and Conservation (Paperback): David Dudgeon Freshwater Biodiversity - Status, Threats and Conservation (Paperback)
David Dudgeon
R1,323 Discovery Miles 13 230 Ships in 10 - 15 working days

Growing human populations and higher demands for water impose increasing impacts and stresses upon freshwater biodiversity. Their combined effects have made these animals more endangered than their terrestrial and marine counterparts. Overuse and contamination of water, overexploitation and overfishing, introduction of alien species, and alteration of natural flow regimes have led to a 'great thinning' and declines in abundance of freshwater animals, a 'great shrinking' in body size with reductions in large species, and a 'great mixing' whereby the spread of introduced species has tended to homogenize previously dissimilar communities in different parts of the world. Climate change and warming temperatures will alter global water availability, and exacerbate the other threat factors. What conservation action is needed to halt or reverse these trends, and preserve freshwater biodiversity in a rapidly changing world? This book offers the tools and approaches that can be deployed to help conserve freshwater biodiversity.

Die Nordischen Wasserkrafte - Ausbau und Wirtschaftliche Ausnutzung (German, Paperback, 1930 ed.): Adolf Ludin, Paul Nemenyi Die Nordischen Wasserkrafte - Ausbau und Wirtschaftliche Ausnutzung (German, Paperback, 1930 ed.)
Adolf Ludin, Paul Nemenyi
R2,352 Discovery Miles 23 520 Ships in 18 - 22 working days

Dieser Buchtitel ist Teil des Digitalisierungsprojekts Springer Book Archives mit Publikationen, die seit den Anfangen des Verlags von 1842 erschienen sind. Der Verlag stellt mit diesem Archiv Quellen fur die historische wie auch die disziplingeschichtliche Forschung zur Verfugung, die jeweils im historischen Kontext betrachtet werden mussen. Dieser Titel erschien in der Zeit vor 1945 und wird daher in seiner zeittypischen politisch-ideologischen Ausrichtung vom Verlag nicht beworben.

Das Leben Des Weltmeeres (German, Paperback, Softcover Reprint of the Original 1st 1929 ed.): Ernst Hentschel Das Leben Des Weltmeeres (German, Paperback, Softcover Reprint of the Original 1st 1929 ed.)
Ernst Hentschel
R1,470 Discovery Miles 14 700 Ships in 18 - 22 working days

Die Anregung, dies Buch zu schreihen, trat an dem Abend an mich heran, an dem ich zum ersten Male versuchte, die biologischen Ergebnisse der "Meteor"-Expedition in groBen Umrissen einem wissenschaftlichen Kreise vorzutragen. Die Erinnerungen jahrelanger Seefahrt, auf der langsam eine groBe Gesamtanschauung vom Leben des Weltmeers in mir herangewachsen war, verbanden sich in dieser Stunde mit Erinnerungen weit zuriickliegender Jahre: Ich dachte an die Zeit, da ich einen der groBten deutschen Meister versUind lidher Wissenschaft, Alexander von Humboldt, zum ersten Male las. Ich habe vielleicht nie wieder so stark wie damals reine Wissenschaft als in das Leben eingreifende Macht ernpfunden. Spater, inmitten der Oberfiille von Wissenschaft aller Art, ist mir dies Gefiihl oft verlorengegangen. Das Wesentliche, das wirklich Wissenswerte wird heute von so viel weniger Wichtigern, selbst Wertlosem iiberwuchert, dill. man leicht den Blick fiir die grofien Ziige des Ganzen verliert. Die Wissenschaft wachst in vielen ihrer Teile wie ein unbe schnittener Baurn, an dem die fruchtbaren Zweige unter dem Wuchem der unfruchtbaren leiden. Ich habe mich daher viel urn die Frage bemiiht: Was ist wissenswert? Und warum ist etwas wissenswert? - Gewifi vieles deswegen, weil es Nutzen bringt. Aber den Wert der Wissenschaft an der praktischen Verwertharkeit ihrer Er gebnisse messen oder gar die "angewandte" Wissenschaft hoher als die "reine," zweckunbewuBte bewerten, das hieBe, v Apfel und Trauben nach ihrem Nahrwert sehatzen wollen."

The Biological Bulletin (Volume 206 - Number 1) February, 2004 (Paperback): The Biological Bulletin (Volume 206 - Number 1) February, 2004 (Paperback)
R848 R780 Discovery Miles 7 800 Save R68 (8%) Ships in 18 - 22 working days
Die Algen - 4. Band / 1. Abteilung (German, Paperback, 2nd 2. Aufl. 1926. Softcover Reprint of the Original 2nd 1926 ed.):... Die Algen - 4. Band / 1. Abteilung (German, Paperback, 2nd 2. Aufl. 1926. Softcover Reprint of the Original 2nd 1926 ed.)
Gustav Lindau, Hans Melchior; Edited by Gustav Lindau, R Pilger
R1,508 Discovery Miles 15 080 Ships in 18 - 22 working days

Dieser Buchtitel ist Teil des Digitalisierungsprojekts Springer Book Archives mit Publikationen, die seit den Anfangen des Verlags von 1842 erschienen sind. Der Verlag stellt mit diesem Archiv Quellen fur die historische wie auch die disziplingeschichtliche Forschung zur Verfugung, die jeweils im historischen Kontext betrachtet werden mussen. Dieser Titel erschien in der Zeit vor 1945 und wird daher in seiner zeittypischen politisch-ideologischen Ausrichtung vom Verlag nicht beworben.

Incredible Oceans (Paperback): Andrew Caine Incredible Oceans (Paperback)
Andrew Caine
R340 Discovery Miles 3 400 Ships in 18 - 22 working days
Coral Reef Curiosities - Intrigue, Deception and Wonder on the Reef and Beyond (Paperback): Chuck Weikert Coral Reef Curiosities - Intrigue, Deception and Wonder on the Reef and Beyond (Paperback)
Chuck Weikert
R688 Discovery Miles 6 880 Ships in 18 - 22 working days
Octopus, Squid, and Cuttlefish - A Visual, Scientific Guide to the Oceans' Most Advanced Invertebrates (Hardcover): Roger... Octopus, Squid, and Cuttlefish - A Visual, Scientific Guide to the Oceans' Most Advanced Invertebrates (Hardcover)
Roger Hanlon, Mike Vecchione, Louise Allcock
R1,055 R918 Discovery Miles 9 180 Save R137 (13%) Ships in 18 - 22 working days

"Cephalopods are often misunderstood creatures. Three biologists set the record straight."--Science News Largely shell-less relatives of clams and snails, the marine mollusks in the class Cephalopoda--Greek for "head-foot"--are colorful creatures of many-armed dexterity, often inky self-defense, and highly evolved cognition. They are capable of learning, of retaining information--and of rapid decision-making to avoid predators and find prey. They have eyes and senses rivaling those of vertebrates like birds and fishes, they morph texture and body shape, and they change color faster than a chameleon. In short, they captivate us. From the long-armed mimic octopus--able to imitate the appearance of swimming flounders and soles--to the aptly named flamboyant cuttlefish, whose undulating waves of color rival the graphic displays of any LCD screen, there are more than seven hundred species of cephalopod. Featuring a selection of species profiles, Octopus, Squid, and Cuttlefish reveals the evolution, anatomy, life history, behaviors, and relationships of these spellbinding animals. Their existence proves that intelligence can develop in very different ways: not only are cephalopods unusually large-brained invertebrates, they also carry two-thirds of their neurons in their arms. A treasure trove of scientific fact and visual explanation, this worldwide illustrated guide to cephalopods offers a comprehensive review of these fascinating and mysterious underwater invertebrates--from the lone hunting of the octopus, to the social squid, and the prismatic skin signaling of the cuttlefish.

Marine Flatworms of the Tropical Indo-Pacific (Paperback): Andrey Ryanskiy Marine Flatworms of the Tropical Indo-Pacific (Paperback)
Andrey Ryanskiy
R825 Discovery Miles 8 250 Ships in 18 - 22 working days
Handbook of Pathogens and Diseases in Cephalopods (Paperback): Juan M. Vieites, Graziano Fiorito, Angel Guerra Handbook of Pathogens and Diseases in Cephalopods (Paperback)
Juan M. Vieites, Graziano Fiorito, Angel Guerra
R1,088 Discovery Miles 10 880 Ships in 18 - 22 working days
YOUMARES 8 - Oceans Across Boundaries - Learning From Each Other (Paperback): Maya Bode, Viola Liebich, Simon Jungblut YOUMARES 8 - Oceans Across Boundaries - Learning From Each Other (Paperback)
Maya Bode, Viola Liebich, Simon Jungblut
R1,136 Discovery Miles 11 360 Ships in 18 - 22 working days
The Swordfish Hunters - The Life, Death, and Future of Xiphias Gladius (Paperback): Thomas Armbruster The Swordfish Hunters - The Life, Death, and Future of Xiphias Gladius (Paperback)
Thomas Armbruster; Cover design or artwork by Catherine Armbruster; Contributions by Tony Troy
R589 Discovery Miles 5 890 Ships in 18 - 22 working days
Fish Ecology, Evolution, and Exploitation - A New Theoretical Synthesis (Hardcover): Ken H. Andersen Fish Ecology, Evolution, and Exploitation - A New Theoretical Synthesis (Hardcover)
Ken H. Andersen
R2,748 R2,577 Discovery Miles 25 770 Save R171 (6%) Ships in 10 - 15 working days

Fish are one of the most important global food sources, supplying a significant share of the world's protein consumption. From stocks of wild Alaskan salmon and North Sea cod to entire fish communities with myriad species, fisheries require careful management to ensure that stocks remain productive, and mathematical models are essential tools for doing so. Fish Ecology, Evolution, and Exploitation is an authoritative introduction to the modern size- and trait-based approach to fish populations and communities. Ken Andersen covers the theoretical foundations, mathematical formulations, and real-world applications of this powerful new modeling method, which is grounded in the latest ecological theory and population biology. He begins with fundamental assumptions on the level of individuals and goes on to cover population demography and fisheries impact assessments. He shows how size- and trait-based models shed new light on familiar fisheries concepts such as maximum sustainable yield and fisheries selectivity-insights that classic age-based theory can't provide-and develops novel evolutionary impacts of fishing. Andersen extends the theory to entire fish communities and uses it to support the ecosystem approach to fisheries management, and forges critical links between trait-based methods and evolutionary ecology. Accessible to ecologists with a basic quantitative background, this incisive book unifies the thinking in ecology and fisheries science and is an indispensable reference for anyone seeking to apply size- and trait-based models to fish demography, fisheries impact assessments, and fish evolutionary ecology.

Fish Lives Matter - Dive Log for 100 Dives (6 x 9) (Paperback): Simple Scuba Dive Logs Fish Lives Matter - Dive Log for 100 Dives (6 x 9) (Paperback)
Simple Scuba Dive Logs
R190 Discovery Miles 1 900 Ships in 18 - 22 working days
Coral Lives Matter - Dive Log for 100 Dives (6 x 9) (Paperback): Simple Scuba Dive Logs Coral Lives Matter - Dive Log for 100 Dives (6 x 9) (Paperback)
Simple Scuba Dive Logs
R190 Discovery Miles 1 900 Ships in 18 - 22 working days
Coral Lives Matter - Dive Log for 100 Dives (6 x 9) (Paperback): Simple Scuba Dive Logs Coral Lives Matter - Dive Log for 100 Dives (6 x 9) (Paperback)
Simple Scuba Dive Logs
R190 Discovery Miles 1 900 Ships in 18 - 22 working days
Fish Lives Matter - Dive Log for 100 Dives (6 x 9) (Paperback): Simple Scuba Dive Logs Fish Lives Matter - Dive Log for 100 Dives (6 x 9) (Paperback)
Simple Scuba Dive Logs
R190 Discovery Miles 1 900 Ships in 18 - 22 working days
Coral Lives Matter - Dive Log for 100 Dives (6 x 9) (Paperback): Simple Scuba Dive Logs Coral Lives Matter - Dive Log for 100 Dives (6 x 9) (Paperback)
Simple Scuba Dive Logs
R190 Discovery Miles 1 900 Ships in 18 - 22 working days
Coral Lives Matter - Dive Log for 100 Dives (6 x 9) (Paperback): Simple Scuba Dive Logs Coral Lives Matter - Dive Log for 100 Dives (6 x 9) (Paperback)
Simple Scuba Dive Logs
R190 Discovery Miles 1 900 Ships in 18 - 22 working days
Coral Lives Matter - Dive Log for 100 Dives (6 x 9) (Paperback): Simple Scuba Dive Logs Coral Lives Matter - Dive Log for 100 Dives (6 x 9) (Paperback)
Simple Scuba Dive Logs
R190 Discovery Miles 1 900 Ships in 18 - 22 working days
Coral Lives Matter - Dive Log for 100 Dives (6 x 9) (Paperback): Simple Scuba Dive Logs Coral Lives Matter - Dive Log for 100 Dives (6 x 9) (Paperback)
Simple Scuba Dive Logs
R190 Discovery Miles 1 900 Ships in 18 - 22 working days
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