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Author: Suzanne Slade
Publisher: Capstone
Published: 2011
Total Pages: 14
ISBN-13: 1404860185
DOWNLOAD EBOOKDiscusses the ocean ecosystem and the role of the sea otter as a keystone species in helping to maintain it, describing the otter's place on the food chain and what would happen if the sea otter were to become extinct.
Author: Theresa Emminizer
Publisher: Gareth Stevens Publishing LLLP
Published: 2019-07-15
Total Pages: 24
ISBN-13: 153823825X
DOWNLOAD EBOOKSea otters are a keystone species in their environment. If they were to disappear, the ripple effect on the plants and animals in the ecosystem would be profound. Kelp forests absorb carbon dioxide. Sea urchins feed on kelp and can deplete these forests if they are not kept in check. Sea otters prey on sea urchins, helping to maintain healthy kelp forests and thus, a healthy ecosystem. This dynamic text engages readers in an educational dialogue, examining the role of sea otters, the threats they face, and possible solutions to protect this fundamental species.
Author: Suzanne Slade
Publisher: Capstone
Published: 2010
Total Pages: 14
ISBN-13: 1404863966
DOWNLOAD EBOOKTalks about each habitat and shows what would happen if the food chain was broken.
Author: Suzanne Slade
Publisher: Capstone
Published: 2011
Total Pages: 14
ISBN-13: 1404860193
DOWNLOAD EBOOKTalks about each habitat and shows what would happen if the food chain was broken.
Author: Shawn Larson
Publisher: Academic Press
Published: 2014-12-23
Total Pages: 468
ISBN-13: 0128016876
DOWNLOAD EBOOKSea otters are good indicators of ocean health. In addition, they are a keystone species, offering a stabilizing effect on ecosystem, controlling sea urchin populations that would otherwise inflict damage to kelp forest ecosystems. The kelp forest ecosystem is crucial for marine organisms and contains coastal erosion. With the concerns about the imperiled status of sea otter populations in California, Aleutian Archipelago and coastal areas of Russia and Japan, the last several years have shown growth of interest culturally and politically in the status and preservation of sea otter populations. Sea Otter Conservation brings together the vast knowledge of well-respected leaders in the field, offering insight into the more than 100 years of conservation and research that have resulted in recovery from near extinction. This publication assesses the issues influencing prospects for continued conservation and recovery of the sea otter populations and provides insight into how to handle future global changes. Covers scientific, cultural, economic and political components of sea otter conservation Provides guidance on how to manage threats to the sea otter populations in the face of future global changes Highlights the effects that interactions of coastal animals have with the marine ecosystem
Author: Suzanne Slade
Publisher: Capstone
Published: 2011
Total Pages: 14
ISBN-13: 1404860207
DOWNLOAD EBOOKDiscusses the temperate forest ecosystem and the role of the gray wolf in helping to maintain it, describing the wolf's place on the food chain and what would happen to the temperate forest if the gray wolf were to become extinct.
Author: Todd McLeish
Publisher: Sasquatch Books
Published: 2018-03-20
Total Pages: 257
ISBN-13: 1632171384
DOWNLOAD EBOOK"Captivating. . . . a full portrait of this adorable and ecologically important animal." —Publishers Weekly A science journalist travels the Pacific Coast in search of sea otters in this entertaining and inspiring book on the importance and history of this charismatic endangered species Sea otters—the adorable, furry marine mammals often seen floating on their backs holding hands—reveal the health of the coastal ecosystem along the Pacific Ocean. Once hunted for their prized fur in the 18th and 19th centuries, these animals nearly went extinct. Only now, nearly a century after hunting ceased, are populations showing stable growth in some places. Sea otters are a keystone species in coastal areas, feeding on sea urchins, clams, crab, and other crustaceans. When they are present, kelp beds are thick and healthy, providing homes for an array of sea life. When otters disappear, sea urchins take over, and the kelp disappears along with all the creatures that live in the beds. Now, thanks to their protected status, sea otters are making a comeback in California, Washington, and Alaska. In this hopeful book, science writer Todd McLeish embarks on an epic journey along the Pacific Coast—traveling from California to Alaska—to track the status, health, habits, personality, and viability of sea otters, and reveals how conservationists brought them back from the brink of extinction.
Author: Suzanne Buckingham Slade
Publisher: Capstone
Published: 2019-05-01
Total Pages: 24
ISBN-13: 1543595863
DOWNLOAD EBOOKThe tundra ecosystem is vast, covering a large part of the far north. Countless animals and plants live there. So what difference could the loss of one animal species make? Follow the chain reaction, and discover how important lemmings are.
Author: Susannah Buhrman-Deever
Publisher: Candlewick
Published: 2020-05-26
Total Pages: 33
ISBN-13: 0763689343
DOWNLOAD EBOOKWhen the sea otters disappear, why does their kelp forest habitat disappear, too? On the Pacific Coast of North America, sea otters play, dive, and hunt for sea urchins, crabs, abalone, and fish in the lush kelp forests beneath the waves. But there was a time when people hunted the otters almost to extinction. Without sea otters to eat them, an army of hungry sea urchins grew and destroyed entire kelp forests. Fish and other animals that depended on the kelp were lost, too. But when people protected the sea otters with new laws, their numbers began to recover, and so did the kelp forests. Susannah Buhrman-Deever offers a beautifully written account of a trophic cascade, which happens when the removal of a single element affects an entire habitat. Asides that dig deeper are woven throughout Matthew Trueman’s dynamic illustrations, starring a raft of charismatic sea otters. Back matter includes more information about sea otters and kelp forests, including their importance and current status, the effects of the international fur trade on indigenous peoples, and a list of books and websites for readers who wish to continue to explore.
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.
