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標題 America's crayfish [videorecording] : [Crawling in troubled waters] / co-produced by Virginia Tech/U.S. Fish and Wildlife Service and Earthwave Productions; writer/producer/director,Betty Wills.

出版資料 Ft. Worth, TX : Earthwave Productions, Inc., c1998.

複本

館藏地 索書號 狀態
 EPL Audio Visual  VHS J 595.384 AME    AVAILABLE
 EPL Audio Visual  VHS J 595.384 AME    AVAILABLE
 EPL Audio Visual  VHS J 595.384 AME    AVAILABLE
 High School Audio Visual  VHS J 595.384 AME    AVAILABLE
 High School Audio Visual  VHS J 595.384 AME    AVAILABLE
 High School Audio Visual  VHS J 595.384 AME    AVAILABLE
說明 1 videocassette (26 min.) : sd., col. ; 1/2 in.
Notes Subtitle from container.
Credits Video photography: Betty Wills, Bill Roston, Tom Hergert ; still photography: Raymond W. Bouchard ; music: J. Andrew Cornett.
Performer Narrator: Paul Lancaster.
Summary Explains the role as predator and prey in the life cycle of the crayfish and stresses the importance of an undisturbed habitat needed for a healthy survival. Also discusses federally endangered crayfish species and the need for protection.
System Details VHS.
主題 Crayfish -- United States.
Decapoda (Crustacea) -- United States.
Shellfish -- United States.
Environmental protection -- United States.
添加作者 Wills, Betty.
Lancaster, Paul.
Earthwave Productions, Inc.
Virginia Tech.
U.S. Fish and Wildlife Service.
添加標題 Crawling in troubled waters