Predators Of The Sea
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Author | : Nigel Marven |
Publisher | : DK Publishing (Dorling Kindersley) |
Total Pages | : 0 |
Release | : 2004 |
Genre | : Extinct animals |
ISBN | : 9780756603755 |
Color artwork and detailed captions journey underwater to capture the prehistoric world of an array of extinct animals, in the companion volume to the Discovery Channel special
Author | : Anna Claybourne |
Publisher | : |
Total Pages | : 0 |
Release | : 2016 |
Genre | : Juvenile Nonfiction |
ISBN | : 9781770857391 |
A spectacular collection of the fiercest, weirdest, and most extraordinary sharks.
Author | : C. J. Camphuysen |
Publisher | : Cambridge University Press |
Total Pages | : 392 |
Release | : 2006-05-11 |
Genre | : Science |
ISBN | : 9780521847735 |
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 | : Mary Jo Rhodes |
Publisher | : Children's Press(CT) |
Total Pages | : 56 |
Release | : 2006-09 |
Genre | : Juvenile Nonfiction |
ISBN | : 9780516243993 |
Introduces sea creatures that survive by eating other sea creatures.
Author | : Judy Cutchins |
Publisher | : Pineapple Press Inc |
Total Pages | : 72 |
Release | : 2001 |
Genre | : Juvenile Nonfiction |
ISBN | : 1561642371 |
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 | : Pamela S. Turner |
Publisher | : Bloomsbury Publishing USA |
Total Pages | : 48 |
Release | : 2009-10-27 |
Genre | : Juvenile Nonfiction |
ISBN | : 0802797482 |
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 | : Richard Ellis |
Publisher | : |
Total Pages | : 336 |
Release | : 2003 |
Genre | : Nature |
ISBN | : 9780700612697 |
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 | : Patricia Newman |
Publisher | : Millbrook Press (Tm) |
Total Pages | : 60 |
Release | : 2017 |
Genre | : Juvenile Nonfiction |
ISBN | : 1512426318 |
"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 | : Randall W. Davis |
Publisher | : Springer |
Total Pages | : 0 |
Release | : 2022-07-05 |
Genre | : Science |
ISBN | : 9783030667986 |
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 | : Salvador Jorgensen |
Publisher | : |
Total Pages | : 0 |
Release | : 2013 |
Genre | : Sharks |
ISBN | : 9781770852334 |
New insights into the world's most-feared predator.