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Author: Anna Claybourne
Publisher:
Published: 2016
Total Pages: 0
ISBN-13: 9781770857391
DOWNLOAD EBOOKA spectacular collection of the fiercest, weirdest, and most extraordinary sharks.
Download or read book Sharks written by Anna Claybourne and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A spectacular collection of the fiercest, weirdest, and most extraordinary sharks.
Author: Richard Ellis
Publisher:
Published: 2003
Total Pages: 336
ISBN-13: 9780700612697
DOWNLOAD EBOOKIn the days when dinosaurs dominated the earth, their marine counterparts - every bit as big and ferocious - reigned supreme in prehistoric seas. In this book, Richard Ellis takes us back to the Mesozoic era to resurrect the fascinating lives of these giant seagoing reptiles. fierce predators, speculates on their habits, and tells how they eventually became extinct - or did they? He traces the 200-million-year history of the great ichthyosaurs, plesiosaurs and mosasaurs who swam the ancient oceans - and who may, according to some, still frequent the likes of Loch Ness. animal that looked like a crocodile crossed with a shark the size of a small yacht. With its impossibly long neck, Plesiosaurus conybeari has been compared to a giant snake threaded through the body of a turtle. At a length of nearly 60 feet, Mosasaurus hoffmanni boasted powerful jaws that could crunch up even the hardest-shelled giant sea turtle. And Kronosaurus queenslandicus, perhaps the most formidable of the lot, had a skull nine feet long - more than twice that of Tyrannosaurus rex - with teeth to match. reconstruct their lives and habitats. Their fossils have been found all over the world - in Europe, Australia, Japan and even Kansas - in lands that once lay on the floors of Jurassic and Triassic seas. Along the way, the book also provides intriguing insights into and entertaining tales about the work, discoveries and competing theories that compose the world of vertebrate paleontology. The text is also accompanied by Ellis' own illustrations of how these creatures probably appeared and, through these likenesses, we are invited to speculate on their locomotion, their predatory habits and their lifestyles.
Download or read book Sea Dragons written by Richard Ellis and published by . This book was released on 2003 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the days when dinosaurs dominated the earth, their marine counterparts - every bit as big and ferocious - reigned supreme in prehistoric seas. In this book, Richard Ellis takes us back to the Mesozoic era to resurrect the fascinating lives of these giant seagoing reptiles. fierce predators, speculates on their habits, and tells how they eventually became extinct - or did they? He traces the 200-million-year history of the great ichthyosaurs, plesiosaurs and mosasaurs who swam the ancient oceans - and who may, according to some, still frequent the likes of Loch Ness. animal that looked like a crocodile crossed with a shark the size of a small yacht. With its impossibly long neck, Plesiosaurus conybeari has been compared to a giant snake threaded through the body of a turtle. At a length of nearly 60 feet, Mosasaurus hoffmanni boasted powerful jaws that could crunch up even the hardest-shelled giant sea turtle. And Kronosaurus queenslandicus, perhaps the most formidable of the lot, had a skull nine feet long - more than twice that of Tyrannosaurus rex - with teeth to match. reconstruct their lives and habitats. Their fossils have been found all over the world - in Europe, Australia, Japan and even Kansas - in lands that once lay on the floors of Jurassic and Triassic seas. Along the way, the book also provides intriguing insights into and entertaining tales about the work, discoveries and competing theories that compose the world of vertebrate paleontology. The text is also accompanied by Ellis' own illustrations of how these creatures probably appeared and, through these likenesses, we are invited to speculate on their locomotion, their predatory habits and their lifestyles.
Author: C. J. Camphuysen
Publisher: Cambridge University Press
Published: 2006-05-11
Total Pages: 392
ISBN-13: 9780521847735
DOWNLOAD EBOOKThe sustainable exploitation of the marine environment depends upon our capacity to develop systems of management with predictable outcomes. Unfortunately, marine ecosystems are highly dynamic and this property could conflict with the objective of sustainable exploitation. This book investigates the theory that the population and behavioural dynamics of predators at the upper end of marine food chains can be used to assist with management. Since these species integrate the dynamics of marine ecosystems across a wide range of spatial and temporal scales, they offer new sources of information that can be formally used in setting management objectives. This book examines the current advances in the understanding of the ecology of marine predators and will investigate how information from these species could be used in management.
Download or read book Top Predators in Marine Ecosystems written by C. J. Camphuysen and published by Cambridge University Press. This book was released on 2006-05-11 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: The sustainable exploitation of the marine environment depends upon our capacity to develop systems of management with predictable outcomes. Unfortunately, marine ecosystems are highly dynamic and this property could conflict with the objective of sustainable exploitation. This book investigates the theory that the population and behavioural dynamics of predators at the upper end of marine food chains can be used to assist with management. Since these species integrate the dynamics of marine ecosystems across a wide range of spatial and temporal scales, they offer new sources of information that can be formally used in setting management objectives. This book examines the current advances in the understanding of the ecology of marine predators and will investigate how information from these species could be used in management.
Author: Patricia Newman
Publisher: Millbrook Press (Tm)
Published: 2017
Total Pages: 60
ISBN-13: 1512426318
DOWNLOAD EBOOK"Marine biologist Brent Hughes discovered a surprising connection between sea otters and sea grass at an estuary in northern California. Follow science in action as Hughes conducts the research that led to this major discovery"--Provided by publisher.
Download or read book Sea Otter Heroes written by Patricia Newman and published by Millbrook Press (Tm). This book was released on 2017 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Marine biologist Brent Hughes discovered a surprising connection between sea otters and sea grass at an estuary in northern California. Follow science in action as Hughes conducts the research that led to this major discovery"--Provided by publisher.
Author: Mary Jo Rhodes
Publisher: Children's Press(CT)
Published: 2006-09
Total Pages: 56
ISBN-13: 9780516243993
DOWNLOAD EBOOKIntroduces sea creatures that survive by eating other sea creatures.
Download or read book Predators of the Sea written by Mary Jo Rhodes and published by Children's Press(CT). This book was released on 2006-09 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduces sea creatures that survive by eating other sea creatures.
Author: Pamela S. Turner
Publisher: Bloomsbury Publishing USA
Published: 2009-10-27
Total Pages: 48
ISBN-13: 0802797490
DOWNLOAD EBOOKFrom the surface of the ocean, it's hard to see any visible signs of life below. But this remarkable ecosystem is teeming with life—life that is increasingly under environmental stress. And it is often the predators that sound the earliest warning signs. By tracking a wide variety of ocean predators, the Tagging of Pacific Predators (TOPP) project provides essential cutting-edge information about the state of the ocean's health and the challenges facing all its inhabitants. Acclaimed science writer Pamela S. Turner takes readers along with four predators—a leatherback sea turtle, a bluefin tuna, a great white shark, and a Sooty Shearwater—on their remarkable journeys. This full-access look will change the way readers view our blue planet.
Download or read book Prowling the Seas written by Pamela S. Turner and published by Bloomsbury Publishing USA. This book was released on 2009-10-27 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the surface of the ocean, it's hard to see any visible signs of life below. But this remarkable ecosystem is teeming with life—life that is increasingly under environmental stress. And it is often the predators that sound the earliest warning signs. By tracking a wide variety of ocean predators, the Tagging of Pacific Predators (TOPP) project provides essential cutting-edge information about the state of the ocean's health and the challenges facing all its inhabitants. Acclaimed science writer Pamela S. Turner takes readers along with four predators—a leatherback sea turtle, a bluefin tuna, a great white shark, and a Sooty Shearwater—on their remarkable journeys. This full-access look will change the way readers view our blue planet.
Author: Judy Cutchins
Publisher: Pineapple Press Inc
Published: 2001
Total Pages: 72
ISBN-13: 1561642371
DOWNLOAD EBOOKOffers an in-depth look at the sea creatures that lived many years ago based on the archaeological discoveries of fossils in the Coastal Plain region.
Download or read book Giant Predators of the Ancient Seas written by Judy Cutchins and published by Pineapple Press Inc. This book was released on 2001 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offers an in-depth look at the sea creatures that lived many years ago based on the archaeological discoveries of fossils in the Coastal Plain region.
Author: Randall W. Davis
Publisher: Springer
Published: 2022-07-05
Total Pages: 0
ISBN-13: 9783030667986
DOWNLOAD EBOOKSea otters and polar bears are carnivorous marine mammals that still resemble their terrestrial ancestors. Compared with Cetacea (whales and dolphins), Sirenia (dugongs and manatees), and Pinnipedia (seals, sea lions, and walrus), they are less adapted for an aquatic life and the most recently evolved among marine mammals. Sea otters are amphibious but seldom come ashore, and polar bears primarily occur on sea ice or along the shore. When at sea, both species spend most of their time swimming at the surface or making short, shallow dives when foraging or pursuing prey. Indeed, polar bears rarely pursue seals in water. Nevertheless, polar bears are powerful swimmers and will stalk seals from the water. As with many other large carnivores, they are solitary hunters. Although sea otters are gregarious and form aggregations at sea called rafts, they are primarily asocial. Except during mating, the principal interaction among sea otters occurs between a female and offspring during the six-month dependency period. In large carnivores (e.g., wolves and lions) that feed on ungulates, sociality and cooperation are favored because of the need to capture large prey and defend carcasses. Polar bears, which are the largest terrestrial carnivore, are solitary hunters of seals and are neither gregarious nor social. Males and females briefly associate during courtship and mating. During this time, males aggressively compete for females. At other times, males generally avoid each other except for aggregations of males that form while summering on land, and females with cubs avoid males, which are known for infanticide. As with sea otters, the interaction of polar bears outside of mating occurs between a female and her offspring during the 2-3 year dependency period. This interaction is critically important when altricial cubs are born in the winter den. This book provides new insight into the ethology and behavioral ecology of sea otters and polar bears. Each chapter reviews the discoveries of previous studies and integrates recent research using new techniques and technology. The authors also address historic and current anthropogenic challenges for their survival as climate change alters entire marine ecosystems.
Download or read book Ethology and Behavioral Ecology of Sea Otters and Polar Bears written by Randall W. Davis and published by Springer. This book was released on 2022-07-05 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sea otters and polar bears are carnivorous marine mammals that still resemble their terrestrial ancestors. Compared with Cetacea (whales and dolphins), Sirenia (dugongs and manatees), and Pinnipedia (seals, sea lions, and walrus), they are less adapted for an aquatic life and the most recently evolved among marine mammals. Sea otters are amphibious but seldom come ashore, and polar bears primarily occur on sea ice or along the shore. When at sea, both species spend most of their time swimming at the surface or making short, shallow dives when foraging or pursuing prey. Indeed, polar bears rarely pursue seals in water. Nevertheless, polar bears are powerful swimmers and will stalk seals from the water. As with many other large carnivores, they are solitary hunters. Although sea otters are gregarious and form aggregations at sea called rafts, they are primarily asocial. Except during mating, the principal interaction among sea otters occurs between a female and offspring during the six-month dependency period. In large carnivores (e.g., wolves and lions) that feed on ungulates, sociality and cooperation are favored because of the need to capture large prey and defend carcasses. Polar bears, which are the largest terrestrial carnivore, are solitary hunters of seals and are neither gregarious nor social. Males and females briefly associate during courtship and mating. During this time, males aggressively compete for females. At other times, males generally avoid each other except for aggregations of males that form while summering on land, and females with cubs avoid males, which are known for infanticide. As with sea otters, the interaction of polar bears outside of mating occurs between a female and her offspring during the 2-3 year dependency period. This interaction is critically important when altricial cubs are born in the winter den. This book provides new insight into the ethology and behavioral ecology of sea otters and polar bears. Each chapter reviews the discoveries of previous studies and integrates recent research using new techniques and technology. The authors also address historic and current anthropogenic challenges for their survival as climate change alters entire marine ecosystems.
Author: Nigel Marven
Publisher:
Published: 2003
Total Pages: 176
ISBN-13:
DOWNLOAD EBOOKIn prehistoric times there existed creatures bigger and often fiercer than dinosaurs, whose exploits have inspired more terrifying legends than any other group of animals. Their watery home has kept them hidden from view - until now. Monsters once again recreates the prehistoric world, giving us an insight into the underwater environment of that time and the strange and fascinating creatures that dwelt there. The leading wildlife television presenter, Nigel Marven, explores their world through a series of encounters, where he dives deep into the past and swims with these extraordinary reptiles and mammals. From the fearsome hunter, Liopleurodon, one of the biggest predators that ever existed, to Megalograptus, the most vicious of the spiny sea scorpions, the deadly prehistoric seas are vividly brought to life as we see these creatures through Nigel's eyes. Some of the ancestors of these predators exist today, but even the great white shark and blue whale cannot come close in threat and size to these prehistoric species. reconstruction of these creatures, with details of the modern sites, from New York to Egypt, where water once covered the land.
Download or read book Sea Monsters written by Nigel Marven and published by . This book was released on 2003 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: In prehistoric times there existed creatures bigger and often fiercer than dinosaurs, whose exploits have inspired more terrifying legends than any other group of animals. Their watery home has kept them hidden from view - until now. Monsters once again recreates the prehistoric world, giving us an insight into the underwater environment of that time and the strange and fascinating creatures that dwelt there. The leading wildlife television presenter, Nigel Marven, explores their world through a series of encounters, where he dives deep into the past and swims with these extraordinary reptiles and mammals. From the fearsome hunter, Liopleurodon, one of the biggest predators that ever existed, to Megalograptus, the most vicious of the spiny sea scorpions, the deadly prehistoric seas are vividly brought to life as we see these creatures through Nigel's eyes. Some of the ancestors of these predators exist today, but even the great white shark and blue whale cannot come close in threat and size to these prehistoric species. reconstruction of these creatures, with details of the modern sites, from New York to Egypt, where water once covered the land.
Author: Karen Romano Young
Publisher: Twenty-First Century Books (Tm)
Published: 2019
Total Pages: 132
ISBN-13: 151249805X
DOWNLOAD EBOOKSharks are in trouble. Fifty shark species are at high risk of extinction, and another sixty-three are threatened. Discover the work of scientists and conservationists as they study shark biology and morphology; research migration, feeding, and mating patterns; delve into human, climate, and other threats to shark habitat; and develop sophisticated technologies to aid sharks and shark research. See how scientists also educate the public about real and imagined fear of sharks and encourage citizen participation in shark conservation efforts. You can even adopt a shark
Download or read book Shark Quest written by Karen Romano Young and published by Twenty-First Century Books (Tm). This book was released on 2019 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sharks are in trouble. Fifty shark species are at high risk of extinction, and another sixty-three are threatened. Discover the work of scientists and conservationists as they study shark biology and morphology; research migration, feeding, and mating patterns; delve into human, climate, and other threats to shark habitat; and develop sophisticated technologies to aid sharks and shark research. See how scientists also educate the public about real and imagined fear of sharks and encourage citizen participation in shark conservation efforts. You can even adopt a shark
