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Understanding ecosystems

Author: Mary Lee Nolan; George H Russell; Educational Video Network, Inc.
Publisher: Huntsville, Tex. : Distributed by Educational Video Network, Inc., ©1994.
Edition/Format:   VHS video : VHS tape   Visual material : EnglishView all editions and formats
Summary:
Ecosystems can range in size from tidal pools to the entire planet. Understanding the boundaries of various collections of organisms is the first step toward maintaining the balance to preserve them.
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Details

Genre/Form: Science films
Material Type: Videorecording
Document Type: Visual material
All Authors / Contributors: Mary Lee Nolan; George H Russell; Educational Video Network, Inc.
OCLC Number: 29194876
Credits: Videography, Sydney & Mary Lee Nolan; editor, Ryck Berube; narrator, Thomas F. Soare; executive producer, George H. Russell.
Performer(s): Thomas Soare, narrator.
Description: 1 videocassette (29 min.) : sound, color ; 1/2 in. + 1 study guide
Details: VHS.
Responsibility: Educational Video Network, Inc. ; author, Mary Lee Nolan.

Abstract:

Ecosystems can range in size from tidal pools to the entire planet. Understanding the boundaries of various collections of organisms is the first step toward maintaining the balance to preserve them.

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