Bibliography and Index of the Sirenia and Desmostylia  

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"Johnstone, I. M."

 
 
 Johnstone, I. M. (detail)
   
1979
Survey methods for the analysis of seagrass meadows with respect to their potential as dugong and turtle habitat with a field key to the seagrasses of Papua New Guinea.
Occas. Paper Dept. Biol., Univ. of Papua New Guinea No. 8. Dec. 1979.
 
 
 Johnstone, I. M.; Hudson, Brydget E. T. (detail)
   
1980
The dugong diet: mouth sample analysis.
Wildlife in Papua New Guinea 80/17.
–Abstr.: Hudson & Johnstone, Internatl. Symp. Biol. Manage. Mangroves Trop. Shallow Water Communities 2: 31, 1980.
x
 
 Johnstone, I. M.; Hudson, Brydget E. T. (detail)
   
1981
The dugong diet: mouth sample analysis.
Bull. Mar. Sci. 31(3): 681-690. 5 tabs. 3 figs.
–Reprinting of 1980? Analysis of mouth samples from 102 dugongs caught in Papua New Guinea showed the presence of 11 different seagrasses, plus small amounts of algae and mangroves. Frequency of occurrence and a "preference ratio" for each species are tabulated. Concludes that the mouth samples reflect local abundance, ecological distribution, and energetic value of the seagrass species in the catch area.
Daryl P. Domning, Research Associate, Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, D.C. 20560, and Laboratory of Evolutionary Biology, Department of Anatomy, College of Medicine, Howard University, Washington, D.C. 20059.
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