Visar resultat för..."Vild mark"

En oumbärlig och upplysande populärvetenskaplig bok om ålen och ålakustens fiske. En hel värld har fascinerats av ålen som skapat så många frågor och debatt. Utan tvekan är ålen en ”superfisk”. Den kan leva i sött som salt vatten, simmar både framåt och bakåt. Den dyker ner till 600 meters djup och kan vandra 700 mil till Sargassohavet. Ålen har funnits som art i över 70 millioner år men nu är den rödlistad och håller på att dö ut liksom hela ålakustens fiske. I synnerhet är boken ett måste för alla naturintresserade men även för den som njutit av en tillagad ål och vill veta mer om superfisken. I boken finns en unik mängd uppdaterade fakta om ålens biologi, dess gripande livscykel och vad forskare och myndigheter anser skyndsamt måste göras för att rädda ålen. Du får dessutom hjälp med att hitta ålakustens särpräglade ålabodar. Separat återges ålafisket och ålagillet vid den legendariska Lotteriboden. Boken bjuder också på många recept om hur ålen ska tillagas och på färgstarka skrönor som är sammankopplade med ålafisket.

Imagine yourself on a Bill Bryson adventure through the treetops, learning about cultural and biological evolution, migration and more, from the world’s leading authorities.The Sound Approach to Birding is the pioneering book on birdsong by the global leaders in bird sound recording, identification and analysis, Mark Constantine OBE (CEO and co-founder of LUSH) and the Sound Approach team. Readers are invited on a journey through practical field experience, scientific theory and an in-depth understanding of birds and their calls.Illustrated with stunning original artwork and photographs of over 200 species, the book is accompanied by a bespoke, free-to-download app that allows the reader to listen to original sound recordings of authentic birdcalls alongside the informative text. The Sound Approach to Birding is for beginners, experienced birdwatchers, ornithologists, nature enthusiasts, families and educators to discover more about birdwatching, a wide variety of species and their songs and all in a beautiful gift package.This edition features extensive updates, revised content, a new cover and new chapters and artwork.

Comprehensive resource on the finite element method in structural steel connection design through verification with AISC 360 provisions Steel Connection Design by Inelastic Analysis covers the use of the finite element method in structural steel connection design. Verification with AISC 360 provisions is presented, focusing on the Component-Based Finite Element Method (CBFEM), a novel approach that provides the global behavior and verification of resistance for the design of structural steel connections. This method is essential for fast and practical design and evaluation of connections with different levels of geometry and complexity. Detailed modeling and verification examples with references to AISC and other relevant publications are included throughout the text, along with roughly 250 illustrations to aid in reader comprehension. Readers of this text will benefit from understanding at least the basics of structural design, ideally through civil, structural, or mechanical engineering programs of study. Written by a team of six highly qualified authors, Steel Connection Design by Inelastic Analysis includes information on: T-stub connections, single plate shear connections, bracket plate connections, beam over column connections, and end-plate moment connectionsBolted wide flange splice connections, temporary splice connections, and chevron brace connection in a braced frame Brace connections at beam-column connection in a braced frame and double angle simple beam-to-column connectionsSemi-rigid beam-to-column connections, covering code design calculations and comparisons, IDEA StatiCa analysis, and ABAQUS analysisSteel Connection Design by Inelastic Analysis is an authoritative reference on the subject for structural engineers, Engineers of Record (EORs), fabrications specialists, and connection designers involved in the structural design of steel connections in the United States or any territory using AISC 360 as the primary design code.

An up-to-date, beautifully illustrated, and beloved guide to six hundred of the world’s most fascinating frogs.  With almost nine thousand known species, frogs display a stunning array of forms and behaviors. A single gram of the toxin produced by the skin of the Golden Poison Frog can kill one hundred thousand people. Male Darwin’s Frogs carry their tadpoles in their vocal sacs for sixty days before coughing them out into the world. And the Wood Frogs of North America freeze every winter, reanimating in the spring.The Book of Frogs documents the diversity and magnificence of all these anurans and many more. Readers meet six hundred of nature’s most fascinating frogs, with each entry including a distribution map, illustrations, species identification, natural history, and conservation status. Color photos show the frogs at their actual size—from Papua New Guinea’s diminutive Paedophryne amauensis, smaller than a coin, to Cameroon’s colossal Goliath Frog, heavier than some dogs. Written by experts Mark O’Shea and Tim Halliday and containing updated information on one hundred species and nearly twenty new entries, this revised edition will enthrall both veteran researchers and amateur herpetologists.As frogs increasingly make headlines for their troubling worldwide decline, The Book of Frogs brings readers face to face with six hundred astonishingly unique and irreplaceable species that display a diverse array of adaptations to habitats that are ever changing.

'Who would ever think that a book on cod would make a compulsive read? And yet this is precisely what Kurlansky has done' Express on SundayThe Cod. Wars have been fought over it, revolutions have been triggered by it, national diets have been based on it, economies and livelihoods have depended on it. To the millions it has sustained, it has been a treasure more precious that gold. This book spans 1,000 years and four continents. From the Vikings to Clarence Birdseye, Mark Kurlansky introduces the explorers, merchants, writers, chefs and fisherman, whose lives have been interwoven with this prolific fish. He chronicles the cod wars of the 16th and 20th centuries. He blends in recipes and lore from the Middle Ages to the present. In a story that brings world history and human passions into captivating focus, he shows how the most profitable fish in history is today faced with extinction.

A lavishly illustrated overview of the world’s lizardsLizards are one of nature’s great success stories: survivors from the time of the dinosaurs, they have taken advantage of almost every habitat on earth, from tropical rainforest to Arctic tundra and even our homes. From chameleons and skinks to geckos and iguanas, there are close to 7,000 species of lizards around the world. This expert guide explores their extraordinary diversity and adaptations.Lizards of the World features an in-depth introduction covering the evolution, anatomy, and lifestyle of lizards, followed by profiles of species from every family, accompanied by stunning color photographs. This invaluable guide highlights the enormous range of habitats, appearance, and activity among lizards. Many thrive in extreme conditions, and have adapted to keep cool, warm, or hydrated. Some can protect themselves by changing color to blend in with their surroundings, while others have fringed toes enabling them to run across sand, or can parachute out of a predator’s reach. Covering diet and reproduction as well as defense strategies and conservation, Lizards of the World showcases the unique natural history and beauty of these remarkable creatures.More than 200 detailed photographic images80+ lizard families and subfamiliesExploration of lizard biology, behavior, habits, and distributionBroad coverage and in-depth treatment by a world-renowned herpetologist

Boken består av två delar. I första delen på 12 uppslag finns de vackra bilderna och den korta texten för barn från fem år och uppåt. I andra delen följer 3 uppslag med utförligare faktatext tillsammans med små svartvita teckningar. De olika livsformer som presenteras är; Småkryp i sanden, tex det spännande björndjuret som kan gå i dvala i hundra år. Foraminiferer, som finns bla i Keopspyramiden i Egypten. Kiselalger som lever både på stranden och i det öppna havet. Vingsnäckan och andra plankton som svävar i havets böljor. Noctiluca, som sänder ut ljus när de rörs om, det vi kallar mareld. Havstulpanen, som väl de flesta någon gång har trampat på. Trekantsmasken som bär en ovanligt vacker krona. Hydroiderna med de brännande tentaklerna och den stora magen. Nakensnäckan som stjäl gift från hydroiderna. Ormstjärnorna med de vajande armarna. Bläckfisken med konster och knep. Bilderna är gjorda av sju konstnärer/illustratörer; Tomas Cedhagen, Ulrika Franzén, Lena Liljestrand, Katja Ludwig, Kristina Munklinde, Annika Rockström och Marianne Svensson. Upplägg och grafisk form: Lena Liljestrand, Kristina Munklinde och Annika Rockström Texterna är skrivna av Annika Rockström och Ann Westermark. Faktagranskning: Martin Larsvik, Tjärnö marinbiologiska laboratorium I slutet av boken hittar du en lista på spännande akvarier att besöka i Göteborg och Bohuslän, och tips på mer litteratur om havet.

A comprehensive and fully illustrated field guide to the birds of JapanThe islands of Japan are home to a spectacular and diverse range of birds, from the sea-eagles and giant owls of the north to the endemic rails and woodpeckers of the far south. This book is the perfect guide to all 738 species that occur there. The authoritative text covers the identification, voice, habitat, behaviour and range of every species and subspecies found across the archipelago, accompanied by accurate distribution maps. Facing the text are 187 superb plates, covering all major age and subspecies plumage variation.Birds of Japan – comprehensive, authoritative and perfect for field use. It's an indispensable addition to any visiting birder's backpack.

A richly illustrated guide to the world’s frogs that includes species from every familyWith more than 7,600 known species, frogs exhibit an extraordinary range of forms and behaviors, from those that produce toxins so deadly that they could kill a human many times over to those that can survive being frozen in ice. Frogs of the World is an essential guide to this astonishingly diverse group of animals. An in-depth introduction covers everything from the origins and evolution of frogs to their life cycles and defense strategies. Beautiful illustrations accompany profiles of species from each family, shedding invaluable light on the enormous range of appearance, habitats, and behavior of these marvelous creatures.Features hundreds of stunning color photographsCovers taxonomy, anatomy, locomotion, reproduction, diet, and moreDiscusses the conservation of the world’s frogsAn invaluable resource for herpetologists, naturalists, and anyone interested in amphibians

BOOKMARK – The Read-A-Lotl Bookmark from Mudpuppy features an adorable illustration of an axolotl and is the perfect way for children to keep their places in their favorite books. The axolotl themed bookmark is perfect to use anywhere and will fit perfectly on the page so kids can easily find their spot without losing their place.BRIGHT AND BOLD ARTWORK – The Read-A-Lotl Bookmark is the perfect accessory to your child's next book, featuring an adorable axolotl on top of a book stack, this bookmark is a must have for all readers!PERFECT FOR GIFTING – The Read-A-Lotl bookmark makes a fantastic gift for the young ones in your life! Kids can use the bookmark to mark their place in a book, encouraging the love of reading. The unique design is a great way for kids to add a personal touch to their books and it can serve as a keepsake, making it a great gift for any occasion!SCREEN-FREE FUN – For over 25 years, Mudpuppy has created quality non-digital puzzles, games and toys for children and families that facilitate creative play and imaginative thinking. All Mudpuppy products adhere to CPSIA, ASTM, and CE Safety Regulations.Mudpuppy – Mudpuppy offers a wide range of non-digital and environmentally friendly puzzles, games, and toys for children and the young at heart. We believe in creating toys that help kids' unplug and spend less time in front of screens with modern designs that are fun and interesting.

Birds have colonized almost every terrestrial habitat on the planet - from the poles to the tropics, and from deserts to high mountain tops. Ecological and Environmental Physiology of Birds focuses on our current understanding of the unique physiological characteristics of birds that are of particular interest to ornithologists, but also have a wider biological relevance. An introductory chapter covers the basic avian body plan and their still-enigmatic evolutionary history. The focus then shifts to a consideration of the essential components of that most fundamental of avian attributes: the ability to fly. The emphasis here is on feather evolution and development, flight energetics and aerodynamics, migration, and as a counterpoint, the curious secondary evolution of flightlessness that has occurred in several lineages. This sets the stage for subsequent chapters, which present specific physiological topics within a strongly ecological and environmental framework. These include gas exchange, thermal and osmotic balance, 'classical' life history parameters (male and female reproductive costs, parental care and investment in offspring, and fecundity versus longevity tradeoffs), feeding and digestive physiology, adaptations to challenging environments (high altitude, deserts, marine habitats, cold), and neural specializations (notably those important in foraging, long-distance navigation, and song production). Throughout the book classical studies are integrated with the latest research findings. Numerous important and intriguing questions await further work, and the book concludes with a discussion of methods (emphasizing cutting-edge technology), approaches, and future research directions.

Kängurur lever på andra sidan jorden, i Australien. De bär sina ungar i en ficka på magen, och de tar sig fram genom att hoppa. Men vad äter de, och hur ser de ut när de föds? Det och mycket annat får läsaren ta del av i den här boken.Minifakta om ... är en serie extra lätta faktaböcker framtagna för de allra mest läsovana eleverna. Med lite text men mycket bilder uppmuntrar böckerna till läsning. Tack vare den lättillgängliga formen, det enkla språket och de intressanta ämnena väcker böckerna läslust hos såväl yngre som äldre läsare. Gemensamt är också att de har en innehållsförteckning och ibland förekommer mycket enkla diagram, som i en traditionell faktabok. Färg och form är speciellt framtaget för att locka till vidare läsning.

Birds are inextricably entwined with British lifeBritish customs, more than 1,000 years of English literature and even the landscape itself, have all been enhanced by the presence of birds. This superb book pays tribute to the remarkable relationship forged between a nation and its most treasured national heritage. Birds Britannica concentrates on our social history and on the cultural links between humans and birds.What makes Birds Britannica special is the inclusion of observations and experiences from more than 1,000 naturalists and bird lovers. These contributions from the public touch on avian ecology; the lore and language of birds; their myths, the art and literature they have inspired; birds as food; and the crucial role they play in our sense of place and the changing seasons.No other book has dealt so completely with the rich connections between birds and humans; Birds Britannica captures the very essence of that relationship and explores why birds matter and why we care.WITH AN INTRODUCTION BY HELEN MACDONALD, SUNDAY TIMES BESTSELLING AUTHOR OF H IS FOR HAWK

Since 1972 Mark Cocker has been a member of a community of obsessional people, almost all male, who sacrifice most of their spare time, a good deal of money, sometimes their chances of a partner or family, even occasionally their lives, to watch birds. Birders is the story of this community, of its characters, its rules, its equipment and its adventures - many of which are hilariously funny, Birders is also a work of love - the story of what birds can do to the human heart.

One night Mark Cocker followed the roiling, deafening flock of rooks and jackdaws which regularly passed over his Norfolk home on their way to roost in the Yare valley. From the moment he watched the multitudes blossom as a mysterious dark flower above the night woods, these gloriously commonplace birds were unsheathed entirely from their ordinariness. They became for Cocker a fixation and a way of life.Cocker goes in search of them, journeying from the cavernous, deadened heartland of South England to the hills of Dumfriesshire, experiencing spectacular failures alongside magical successes and epiphanies. Step by step he uncovers the complexities of the birds' inner lives, the unforeseen richness hidden in the raucous crow song he calls 'our landscape made audible'.Crow Country is a prose poem in a long tradition of English pastoral writing. It is also a reminder that 'Crow Country' is not 'ours': it is a landscape which we cohabit with thousands of other species, and these richly complex fellowships cannot be valued too highly.One Midsummer's Day by Mark Cocker coming in June 2023.

Aquaculture Parasitology: Pathogens of Fish, Crustaceans, and Molluscs addresses the steadily increasing importance of infectious diseases of aquatic animals. With the burgeoning expansion of the animal aquaculture industry to new geographic areas, new microbial and parasitic species with pathogenic potential will continue to emerge. This necessitates rapid identification of the new pathogens to enable their control. Each pathogenic parasitic species in Aquaculture Parasitology in the book is accompanied by the full description of both taxonomic and clinical information for the three major aquatic food animals (fish, crustaceans and mollusks). The book takes a comprehensive approach to disease affecting aquaculture production, thus making it valuable to aquaculturists, clinical practitioners in aquatic animal health, veterinarians, and all those in industry, government or academia who are interested in aquaculture, fisheries and comparative biology.

Birds have colonized almost every terrestrial habitat on the planet - from the poles to the tropics, and from deserts to high mountain tops. Ecological and Environmental Physiology of Birds focuses on our current understanding of the unique physiological characteristics of birds that are of particular interest to ornithologists, but also have a wider biological relevance. An introductory chapter covers the basic avian body plan and their still-enigmatic evolutionary history. The focus then shifts to a consideration of the essential components of that most fundamental of avian attributes: the ability to fly. The emphasis here is on feather evolution and development, flight energetics and aerodynamics, migration, and as a counterpoint, the curious secondary evolution of flightlessness that has occurred in several lineages. This sets the stage for subsequent chapters, which present specific physiological topics within a strongly ecological and environmental framework. These include gas exchange, thermal and osmotic balance, 'classical' life history parameters (male and female reproductive costs, parental care and investment in offspring, and fecundity versus longevity tradeoffs), feeding and digestive physiology, adaptations to challenging environments (high altitude, deserts, marine habitats, cold), and neural specializations (notably those important in foraging, long-distance navigation, and song production). Throughout the book classical studies are integrated with the latest research findings. Numerous important and intriguing questions await further work, and the book concludes with a discussion of methods (emphasizing cutting-edge technology), approaches, and future research directions.

From the brilliantly green and glossy eggs of the Elegant Crested Tinamou—said to be among the most beautiful in the world—to the small brown eggs of the house sparrow that makes its nest in a lamppost and the uniformly brown or white chickens’ eggs found by the dozen in any corner grocery, birds’ eggs have inspired countless biologists, ecologists, and ornithologists, as well as artists, from John James Audubon to the contemporary photographer Rosamond Purcell. For scientists, these vibrant vessels are the source of an array of interesting topics, from the factors responsible for egg coloration to the curious practice of “brood parasitism,” in which the eggs of cuckoos mimic those of other bird species in order to be cunningly concealed among the clutches of unsuspecting foster parents.The Book of Eggs introduces readers to eggs from six hundred species—some endangered or extinct—from around the world and housed mostly at Chicago’s Field Museum of Natural History. Organized by habitat and taxonomy, the entries include newly commissioned photographs that reproduce each egg in full color and at actual size, as well as distribution maps and drawings and descriptions of the birds and their nests where the eggs are kept warm. Birds’ eggs are some of the most colorful and variable natural products in the wild, and each entry is also accompanied by a brief description that includes evolutionary explanations for the wide variety of colors and patterns, from camouflage designed to protect against predation, to thermoregulatory adaptations, to adjustments for the circumstances of a particular habitat or season. Throughout the book are fascinating facts to pique the curiosity of binocular-toting birdwatchers and budding amateurs alike. Female mallards, for instance, invest more energy to produce larger eggs when faced with the genetic windfall of an attractive mate. Some seabirds, like the cliff-dwelling guillemot, have adapted to produce long, pointed eggs, whose uneven weight distribution prevents them from rolling off rocky ledges into the sea.A visually stunning and scientifically engaging guide to six hundred of the most intriguing eggs, from the pea-sized progeny of the smallest of hummingbirds to the eggs of the largest living bird, the ostrich, which can weigh up to five pounds, The Book of Eggs offers readers a rare, up-close look at these remarkable forms of animal life.

An hourly guide that follows twenty-four birds as they find food, mates, and safety from predators.  From morning to night and from the Antarctic to the equator, birds have busy days. In this short book, ornithologist Mark E. Hauber shows readers exactly how birds spend their time. Each chapter covers a single bird during a single hour, highlighting twenty-four different bird species from around the globe, from the tropics through the temperate zones to the polar regions. We encounter owls and nightjars hunting at night and kiwis and petrels finding their way in the dark. As the sun rises, we witness the beautiful songs of the “dawn chorus.” At eleven o’clock in the morning, we float alongside a common pochard, a duck resting with one eye open to avoid predators. At eight that evening, we spot a hawk swallowing bats whole, gorging on up to fifteen in rapid succession before retreating into the darkness.  For each chapter, award-winning artist Tony Angell has depicted these scenes with his signature pen and ink illustrations, which grow increasingly light and then dark as our bird day passes. Working closely together to narrate and illustrate these unique moments in time, Hauber and Angell have created an engaging read that is a perfect way to spend an hour or two—and a true gift for readers, amateur scientists, and birdwatchers.

Updated to reflect the most recent species classifications, a second edition of the beautifully illustrated and beloved guide to 600 members of the suborder Serpentes.  For millennia, humans have regarded snakes with an exceptional combination of fascination and revulsion. Some people recoil in fear at the very suggestion of these creatures, while others happily keep them as pets. Snakes can convey both beauty and menace in a single tongue flick, and so these creatures have held a special place in our cultures. Yet, for as many meanings as we attribute to snakes—from fertility and birth to sin and death—the real-life species represent an even wider array of wonders.Now in a new edition, reflecting the most recent species classifications, The Book of Snakes presents 600 species of snakes from around the world, covering roughly one in seven of all snake species. It will bring greater understanding of a group of reptiles that have existed for more than 160 million years and that now inhabit every continent except Antarctica, as well as two of the great oceans.This volume pairs spectacular photos with easy-to-digest text. It is the first book on these creatures that combines a broad, worldwide sample with full-color, life-size accounts. Entries include close-ups of the snake’s head and a section of the snake at actual size. The detailed images allow readers to examine the intricate scale patterns and rainbow of colors as well as special features like a cobra’s hood or a rattlesnake’s rattle. The text is written for laypeople and includes a glossary of frequently used terms. Herpetologists and herpetoculturists alike will delight in this collection, and even those with a more cautious stance on snakes will find themselves drawn in by the wild diversity of the suborder Serpentes.

What this intriguing—and unsettling—apex predator reveals about Americans’ attempts to control and connect with the natural world.Both a flesh-and-blood critter and the stuff of legend, the alligator inspires as much awe as it does fear. While this apex predator survives mainly on fish, birds, snakes, turtles, and small mammals, it will consume almost anything, including pets, livestock, and—in rare cases—humans. Though dreaded as a man-eater, the alligator has also been cast as a lucrative commodity, a popular roadside attraction, a prized hunting trophy, and even an unlikely household pet.Gator! tells the riveting story of this iconic predator. Historian Mark V. Barrow, Jr.—a native of Florida, a state famous for its alligators—traces the reptile’s ancient lineage from the age of the dinosaurs to its current status as a cherished mascot and regional icon. He explores its role as a surrogate species, offering vital clues about the health of ecosystems, as well as its profound cultural weight as a totem for Indigenous communities, a mythical sewer-dweller in New York lore, and a disturbing tool of racial oppression used to dehumanize African Americans. Once over-hunted, the alligator has long been celebrated as a triumph of the federal Endangered Species Act. Barrow delves into the nuances of this comeback, one that offers both a cautionary tale of market-driven exploitation and a conservation success story.An entertaining history of one of North America’s most charismatic animals, Gator! explores how this reptile became a Florida emblem and a national enigma, transforming humans and alligators in the process.