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Sea Otter Heroes: The Predators That Saved an Ecosystem
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Published:
Lerner Publishing Group 2017
Accelerated Reader:
IL: MG - BL: 6.9 - AR Pts: 1
Lexile measure:
1060L
Status:
Available from OverDrive

Description

A Robert F. Sibert Informational Honor Book A Green Earth Book Award Winner This up-close look at a fascinating scientific discovery highlights the critical role predators such as sea otters play in keeping ecosystems healthy. In Elkhorn Slough, an inlet on the California coast, seagrass grows healthy and strong in the shallow water. This healthy seagrass baffled marine biologist Brent Hughes. The scientist expected this estuary to be overrun with algae, causing the seagrass to die. Why was the seagrass thriving?
As Brent investigated, signs pointed to an unexpected player helping to keep the seagrass healthy: sea otters! What do these top predators have to do with an aquatic grass at the opposite end of the food chain? Brent's amazing discovery gave scientists insight into the delicate balance of ecosystems. Follow science in action as Brent conducts the research that led to this major discovery.

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Format:
Adobe PDF eBook, Kindle Book, OverDrive Read
Street Date:
01/01/2017
Language:
English
ISBN:
9781512438857, 9781512428445
ASIN:
B01MYXMW34
Accelerated Reader:
MG
Level 6.9, 1 Points
Lexile measure:
1060

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Citations

APA Citation (style guide)

Patricia Newman. (2017). Sea Otter Heroes: The Predators That Saved an Ecosystem. Lerner Publishing Group.

Chicago / Turabian - Author Date Citation (style guide)

Patricia Newman. 2017. Sea Otter Heroes: The Predators That Saved an Ecosystem. Lerner Publishing Group.

Chicago / Turabian - Humanities Citation (style guide)

Patricia Newman, Sea Otter Heroes: The Predators That Saved an Ecosystem. Lerner Publishing Group, 2017.

MLA Citation (style guide)

Patricia Newman. Sea Otter Heroes: The Predators That Saved an Ecosystem. Lerner Publishing Group, 2017.

Note! Citation formats are based on standards as of July 2022. Citations contain only title, author, edition, publisher, and year published. Citations should be used as a guideline and should be double checked for accuracy.

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cdb4105c-4637-35e0-6211-4100096f1237
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No
Date Added:
May 18, 2022 17:39:40
Date Updated:
Mar 02, 2023 20:51:34
Last Metadata Check:
Jun 16, 2024 17:26:55
Last Metadata Change:
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Last Availability Check:
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Last Availability Change:
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Last Grouped Work Modification Time:
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      • value: stem
      • value: whale
      • value: predator
      • value: animal behavior
      • value: discovery
      • value: scientists
      • value: experiment
      • value: Environment
      • value: middle grade
      • value: plant
      • value: Ocean
      • value: wolf
      • value: Scientific method
      • value: monterey bay
      • value: salinas valley
      • value: Sea Hares
      • value: Elkhorn Slough
      • value: Moss Landing Harbor
      • value: Trophic cascade
creators
      • role: Author
      • fileAs: Newman, Patricia
      • bioText: Patricia Newman wants us all to know we are part of nature. As a Robert F. Sibert Honor recipient, she shows us how our actions ripple around the world, empowers us to find our own connections to nature, and encourages us to use our imaginations to act on behalf of our communities. Patricia likes to think of her books as a contribution that helps make the world a better place for the next generation. Her nonfiction titles have received multiple starred reviews, Orbis Pictus Recommended Awards (NCTE), Green Earth Book Awards, several Eureka! Awards from the California Reading Association, and most have been included in the Bank Street College's Best Books of the Year lists. To learn more, visit her website at patriciamnewman.com or connect with her on social media.
      • name: Patricia Newman
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Millbrook Press ™
publishDate
2017-01-01T00:00:00-05:00
isOwnedByCollections
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title
Sea Otter Heroes
fullDescription
A Robert F. Sibert Informational Honor Book A Green Earth Book Award Winner This up-close look at a fascinating scientific discovery highlights the critical role predators such as sea otters play in keeping ecosystems healthy. In Elkhorn Slough, an inlet on the California coast, seagrass grows healthy and strong in the shallow water. This healthy seagrass baffled marine biologist Brent Hughes. The scientist expected this estuary to be overrun with algae, causing the seagrass to die. Why was the seagrass thriving? As Brent investigated, signs pointed to an unexpected player helping to keep the seagrass healthy: sea otters! What do these top predators have to do with an aquatic grass at the opposite end of the food chain? Brent's amazing discovery gave scientists insight into the delicate balance of ecosystems. Follow science in action as Brent conducts the research that led to this major discovery.
gradeLevels
      • value: Grade 5
reviews
      • premium: False
      • source: Kirkus Reviews
      • content: "A thoughtfully organized and attractively presented example of science in the field."—starred, Kirkus Reviews
      • premium: True
      • source: School Library Journal
      • content:

        January 1, 2017

        Gr 4-7-With their big eyes; soft, furry faces; and playful behavior, sea otters are a favorite marine mammal among kids and teens. Protective measures have stabilized sea otter numbers after the mammals once came close to extinction. Only recently, through the work of marine biologist Brent Hughes, has their role in maintaining ecosystems come to light. The Elkhorn Slough, an inlet of Monterey Bay in Northern California, is a nutrient-polluted estuary fed by the fertilizers and pesticides used in nearby farming. This work chronicles the mystery of why this ecosystem is far healthier than scientists would expect. Using the tools of scientific research, Hughes has discovered that sea otters, the top predators in the food chain, help keep the sea grass algae-free through their feeding habits, which in turn allows the growth of a fish population and preserves a natural barrier to storms. The step-by-step process of ascertaining that the sea otter was responsible for the thriving ecosystem provides a strong example of the value and excitement of primary research. Clear, full-color photographs show how Hughes confirmed his theory. However, this title resembles a picture book, which may deter older readers. VERDICT A very informative selection for environmental studies.-Eva Elisabeth VonAncken, formerly at Trinity-Pawling School, Pawling, NY

        Copyright 2017 School Library Journal, LLC Used with permission.

      • premium: True
      • source: Kirkus
      • content:

        Starred review from February 15, 2017
        A young scientist's doctoral research reveals a surprising relationship between sea grasses and sea otters in a California bay.Valuable sea grasses in Elkhorn Slough, in Northern California, were thriving in spite of heavy nutrient pollution from nearby Salinas Valley farms. When Brent Hughes began his investigation of this mystery, he looked at things directly affecting sea-grass growth, such as weather patterns. It wasn't until he compared sea grass cover with otter population that he found a match. In discussions with other researchers, the young white biologist learned that otters like to eat big, meaty crabs, which feed on sea hares, a type of sea slug that in turn feeds on algae growth that smothers the grasses. Following usual procedures, he then designed experiments to prove his hypothesis that the thriving otter population made the sea grass flourish. This intriguing description of the problem he saw and his research process is a model of the scientific method. Interspersed with chapters describing the mystery, the development of the hypothesis, the proof, and the larger idea of "trophic cascades" (interactions among predators and prey that begin at the top of the food chain) are sections about otters and about sea-grass science in general. A map, ample photographs, and an attractive design add appeal, and there are sensible suggestions for environmental protection. A thoughtfully organized and attractively presented example of science in the field. (source notes, glossary, bibliography, suggested resources, index). (Nonfiction. 11-16)

        COPYRIGHT(2017) Kirkus Reviews, ALL RIGHTS RESERVED.

      • premium: True
      • source: Booklist
      • content:

        February 1, 2017
        Grades 5-8 Though the cover of promises photographs of adorable, fluffy-faced otters, this volume packs a substantial amount of scientific detail as well. The main narrative follows marine biologist Brent Hughes and his study of Elkhorn Slough, which grew healthy seagrass while other inlets in similar conditions suffered. Eventually, careful research revealed that it was the presence of sea otters, the local apex predator, that allowed the slough to flourish. In four chapters, Newman details Hughes' research processes and examines the workings of ecosystems in general and how its inhabitants affect it at every level. Illustrations include not only those irresistible otter photos but also scientific diagrams and photographs of Hughes' experiments. A final chapter on conservation explains the often-damaging effect humans can have on ecosystems, while back matter includes relevant experiments, extensive secondary resources, and ways in which young people can help the environment on a daily basis. Not just an exploration of one particular discovery in marine biology, this is a comprehensive explanation of the scientific process as well.(Reprinted with permission of Booklist, copyright 2017, American Library Association.)

      • premium: True
      • source: The Horn Book
      • content:

        July 1, 2017
        What kept the seagrass in California's Elkhorn Slough so healthy, despite fertilizer runoff from nearby farms? When marine biologist Brent Hughes investigated this question, he learned the vital role sea otters play in the slough ecosystem. The book's wide, picture-book trim size accommodates the many photos and diagrams that supplement the fairly advanced, fascinating scientific information in the text. Reading list, websites. Bib., glos., ind.

        (Copyright 2017 by The Horn Book, Incorporated, Boston. All rights reserved.)

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shortDescription
A Robert F. Sibert Informational Honor Book A Green Earth Book Award Winner This up-close look at a fascinating scientific discovery highlights the critical role predators such as sea otters play in keeping ecosystems healthy. In Elkhorn Slough, an inlet on the California coast, seagrass grows healthy and strong in the shallow water. This healthy seagrass baffled marine biologist Brent Hughes. The scientist expected this estuary to be overrun with algae, causing the seagrass to die. Why was the seagrass thriving? As Brent investigated, signs pointed to an unexpected player helping to keep the seagrass healthy: sea otters! What do these top predators have to do with an aquatic grass at the opposite end of the food chain? Brent's amazing discovery gave scientists insight into the delicate balance of ecosystems. Follow science in action as Brent conducts the research that led to this major discovery.
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      • value: Notable Children's Books
      • source: American Library Association
      • value: Robert F. Sibert Informational Book Honor
subtitle
The Predators That Saved an Ecosystem
publisher
Lerner Publishing Group
atos
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bisacCodes
      • code: JNF003150
      • description: Juvenile Nonfiction / Animals / Marine Life
      • code: JNF051100
      • description: Juvenile Nonfiction / Science & Nature / Environmental Science & Ecosystems
      • code: JNF051150
      • description: Juvenile Nonfiction / Science & Nature / Zoology