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Author : Suzanne Slade
Publisher : Capstone
Page : 14 pages
File Size : 43,9 Mb
Release : 2011
Category : Marine ecology
ISBN : 9781404860186
Discusses 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
Page : 24 pages
File Size : 44,5 Mb
Release : 2019-07-15
Category : Juvenile Nonfiction
ISBN : 9781538238257
Sea 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
Page : 14 pages
File Size : 55,5 Mb
Release : 2010
Category : Juvenile Nonfiction
ISBN : 9781404863965
Talks about each habitat and shows what would happen if the food chain was broken.
Author : Suzanne Slade
Publisher : Capstone
Page : 14 pages
File Size : 50,7 Mb
Release : 2010-07
Category : Juvenile Nonfiction
ISBN : 9781404863972
Discusses 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 : Suzanne Slade
Publisher : Capstone
Page : 14 pages
File Size : 52,5 Mb
Release : 2011
Category : Forest ecology
ISBN : 9781404860209
Discusses 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 : Suzanne Slade
Publisher : Capstone
Page : 14 pages
File Size : 52,6 Mb
Release : 2011
Category : Agricultural ecology
ISBN : 9781404860193
Talks about each habitat and shows what would happen if the food chain was broken.
Author : Todd McLeish
Publisher : Sasquatch Books
Page : 272 pages
File Size : 47,8 Mb
Release : 2018-03-20
Category : Nature
ISBN : 9781632171382
A science journalist's journey along the Pacific Coast from California to Alaska to track the status, health, habits, personality, and viability of sea otters--the appealing species unique to this coastline that was hunted to near extinction in the 18th and 19th centuries. These 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 during the 1700s and 1800s, 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 sealife. When otters disappear, sea urchins take over, and the kelp disappears along with all of the creatures that live in the beds. Now, thanks to their protected status, sea otters are making a comeback in California, Washington, and Alaska.
Author : Suzanne Buckingham Slade
Publisher : Capstone
Page : 24 pages
File Size : 54,7 Mb
Release : 2019-05-01
Category : Juvenile Nonfiction
ISBN : 9781543595864
The 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 : Shawn E. Larson,James L. Bodkin,Glenn R VanBlaricom
Publisher : Academic Press
Page : 468 pages
File Size : 54,7 Mb
Release : 2014-12-23
Category : Science
ISBN : 9780128016879
Sea 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 : Patricia Newman
Publisher : Millbrook Press (Tm)
Page : 60 pages
File Size : 47,5 Mb
Release : 2017
Category : Juvenile Nonfiction
ISBN : 9781512426311
"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 : Susannah Buhrman-Deever
Publisher : National Geographic Books
Page : 0 pages
File Size : 53,6 Mb
Release : 2020-05-26
Category : Juvenile Nonfiction
ISBN : 9780763689346
When 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 : Isabelle Groc
Publisher : Orca Book Publishers
Page : 210 pages
File Size : 49,6 Mb
Release : 2020-04-07
Category : Juvenile Nonfiction
ISBN : 9781459817395
Sea otters once ruled the Pacific Ocean, but the fur trade of the eighteenth and nineteenth centuries brought this predator to near extinction. Today they’re slowly coming back from the brink, and scientists are learning more about their pivotal role as one of nature’s keystone species. This book looks at the history, biology, behavior and uncertain future of sea otters. Author and photojournalist Isabelle Groc takes us into the field: watching sea otter rafts off the British Columbia coast from a kayak, exploring what makes their fur coats so special, understanding how their voracious appetites are helping kelp forests thrive and, ultimately, learning how sea otters are leaving their mark (or paws) on every part of the ecosystem. They might be one of the most adorable creatures in the ocean, but kids will discover how their survival is key to a rich, complex and connected ecosystem.
Author : Richard Ravalli
Publisher : U of Nebraska Press
Page : 179 pages
File Size : 54,8 Mb
Release : 2018-01-01
Category : Nature
ISBN : 9781496212184
2019 Choice Outstanding Academic Title More than any other nonhuman species, it was the sea otter that defined the world's largest oceanscape prior to the California gold rush. In addition to the more conventional aspects of the sea otter trade, including Russian expansion in Alaska, British and American trading in the Pacific Northwest, and Spanish colonial ventures along the California coast, the global importance of the species can be seen in its impact on the East Asian maritime fur trade. This trade linked Imperial China, Japan, and indigenous Ainu peoples of the Kurile Islands as early as the fifteenth century. In Sea Otters: A History Richard Ravalli synthesizes anew the sea otter's complex history of interaction with humans by drawing on new histories of the species that consider international and global factors beyond the fur trade, including sea mammal conservation, Cold War nuclear testing, and environmental tourism. Examining sea otters in a Pacific World context, Ravalli weaves together the story of imperial ambition, greed, and an iconic sea mammal that left a determinative imprint on the modern world.
Author : Linda Feaman
Publisher : Capstone
Page : 165 pages
File Size : 51,8 Mb
Release : 2014-06-17
Category : Education
ISBN : 9781625219282
Unlock complex informational text through close reading. Use this book as a guide to teach close reading in a way that delves deeply into the text and aligns with the Common Core State Standards. Each standards-based lesson includes: * Complex informational text that is grade-level appropriate. * Text-dependent questions designed to facilitate discussion and provide differentiation for all students. * Thought capturers to help students organize their thoughts into writing. * Constructed response prompts, exemplars, and rubrics.
Author : Lindsay Keegitah Borrows
Publisher : UBC Press
Page : 236 pages
File Size : 53,9 Mb
Release : 2018-03-01
Category : Social Science
ISBN : 9780774836609
Storytelling has the capacity to address feelings and demonstrate themes – to illuminate beyond argument and theoretical exposition. In Otter’s Journey, Borrows makes use of the Anishinaabe tradition of storytelling to explore how the work in Indigenous language revitalization can inform the emerging field of Indigenous legal revitalization. She follows Otter, a dodem (clan) relation from the Chippewas of Nawash First Nation, on a journey across Anishinaabe, Inuit, Māori, Coast Salish, and Abenaki territories, through a narrative of Indigenous resurgence. In doing so, she reveals that the processes, philosophies, and practices flowing from Indigenous languages and laws can emerge from under the layers of colonial laws, policies, and languages to become guiding principles in people’s contemporary lives.