Ralls, Katherine S.

5 publications

Ralls, Katherine S. (detail)
1976	Mammals in which females are larger than males. Quart. Rev. Biol. 51: 245-276. —

Brownell, Robert L., Jr.; Ralls, Katherine S.; Reeves, Randall R. (detail)

1981

Report of the West Indian manatee workshop. In: R. L. Brownell, Jr., & K. S. Ralls (eds.), The West Indian manatee in Florida. Proceedings of a workshop held in Orlando, Florida 27-29 March 1978 (q.v.).
Tallahassee, Florida Dept. Nat. Res. (iv + 154): 3-16.
—Synthesizes data presented at the workshop with previously available data on Florida manatee abundance, reproductive biology, feeding, social behavior, human-caused and cold-related mortality, captive husbandry and breeding, and rehabilitation and release of captives. Points out where research is needed in these areas, and makes recommendations for management.

Brownell, Robert L., Jr.; Anderson, Paul K.; Owen, Robert P.; Ralls, Katherine S. (detail)

1981

The status of dugongs at Palau, an isolated island group. In: H. Marsh (ed.), The dugong. Proceedings of a seminar/workshop held at James Cook University of North Queensland 8-13 May 1979 (q.v.).
[Townsville (Australia)], James Cook Univ. (vii + 400): 19-42. 1 tab. 2 figs.
—Reviews historical data on dugongs at Palau, reports the results of two aerial surveys, discusses the natural history, habitat use, and poaching of Palauan dugongs, and recommends research and conservation measures. The population is estimated at no more than 50, with 13-24% calves and an abundant seagrass supply, but the high rate of poaching seems likely to exterminate the population.

Rathbun, Galen B.; Brownell, Robert L., Jr.; Ralls, Katherine S.; Engbring, John (detail)
1988	Status of dugongs in waters around Palau. Mar. Mamm. Sci. 4(3): 265-270. 1 tab. 1 fig. July 1988. —Aerial surveys in 1983 confirmed the results of observations in 1977-78, viz., that the dugong population is very small (maximum count = 38) and highly endangered by subsistence hunting.

Brownell, Robert L., Jr.; Ralls, Katherine S.; Perrin, William F. (detail)
1995	Marine mammal biodiversity: three diverse orders encompass 119 species. Oceanus 38(2): 30-33. 8 figs. Fall/Winter 1995. —Pop. acc., briefly mentioning and illustrating sirs. An artist's conception of Hydrodamalis gigas is copied from the one in Haley (1980).