Bibliography and Index of the Sirenia and Desmostylia  

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"Saalfeld, W. Keith"

Saalfeld, W. Keith: SEE Marsh & Saalfeld, 1989, 1990, 1991; Marsh et al., 1994. (detail)
 
 
 Marsh, Helene D.; Saalfeld, W. Keith (detail)
   
1989
Distribution and abundance of dugongs in the northern Great Barrier Reef Marine Park.
Austral. Wildl. Res. 16(4): 429-440. 5 tabs. 5 figs.
x
 
 Marsh, Helene D.; Saalfeld, W. Keith (detail)
   
1990
The distribution and abundance of dugongs in the Great Barrier Reef Marine Park south of Cape Bedford.
Austral. Wildl. Res. 17(5): 511-524. 4 tabs. 8 figs.
–Aerial surveys in 1986-87 gave a population estimate of 3,479 ± S.E. 459 dugongs in the region. Highest densities were observed on inshore seagrass beds and in waters less than 5 m deep. Maps of dugong density and distribution are given, and recommendations are made on the timing of future surveys.
x
 
 Marsh, Helene D.; Saalfeld, W. Keith (detail)
   
1991
The status of the dugong in Torres Strait. In: D. Lawrence & T. Canfield-Smith (eds.), Sustainable development for traditional inhabitants of the Torres Strait region.
Great Barrier Reef Marine Park Authority Workshop Ser. No. 16: 187-194. 2 tabs. 1 fig.
–Aerial survey data from 1987-88, and earlier catch statistics, indicate a minimum population estimate of 12,522 ± S.E. 1,487 dugongs in the region but are deemed insufficient to determine either the current catch level or the maximum sustainable harvest.
x
 
 Marsh, Helene D.; Prince, Robert I. T.; Saalfeld, W. Keith; Shepherd, R. (detail)
   
1994
The distribution and abundance of the dugong in Shark Bay, Western Australia.
Wildl. Res. 21(2): 149-161. 4 tabs. 4 figs.
–Aerial surveys in winter 1989 gave a minimum population estimate of 10,146ñ1,665 (s.e.) dugongs at an overall density of 0.71ñ0.12 (s.e.) dugongs/kmý, the highest density ever recorded on a large-scale survey. The high proportion of calves (19%) suggested an exceptionally high calving rate in 1988. Dugong density was highest in relatively deep water (12-16 m). Surveys in summer 1990 and 1991 confirmed that dugong distribution in Shark Bay varies seasonally with water temperature.
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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