Laboratory explorations in biology  [videorecording] : ecology - sampling methods and field techniques / 
cover title :  Ecology  sampling methods and field techniques  [videorecording]:  Sampling methods and field techniques  [videorecording] 
Science and Mankind in cooperation with the Center for Humanities 
 - 1 videodisc (34 min.) :  sd., col. ;  4 3/4 in. +  1 teacher's guide 
<br/><br/> Title from title screen  Originally released in 1978 as a slide set 
<br/><br/> Covers the basic ecological concepts of populations, communities, energy flow, and nutrient cycling 
<br/><br/><br/>DVD format 
<br/><br/><label>ISBN: </label> RM531.06 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Technique.<br/>Ecology--Methodology.