2 edition of analysis of intraspecific variation in the kangaroo rat Dipodomys merriami. found in the catalog.
analysis of intraspecific variation in the kangaroo rat Dipodomys merriami.
William Zander Lidicker
|Series||University of California publications in zoology,, v. 67, no. 2, University of California publications in zoology ;, v. 67, no. 2.|
|LC Classifications||QL1 .C15 vol. 67, no. 2|
|The Physical Object|
|Number of Pages||218|
|LC Control Number||60063888|
Wheel running of kangaroo rats, Dipodomys merriami, as related to food deprivation and body composition. Dill DB, Soholt LF, Morris JD Jr. Kangaroo rats deprived of food ran themselves to death in 48 h in wheel cages. Despite the loss of % of body weight the ratio of water to protein was the same after the run as it was in control by: 7. Description. The giant kangaroo rat, is the largest of over 20 species of kangaroo rats, which are small members of the rodent family, measuring about 15 cm ( in) in length, including its long, tufted is tan or brown in color. Like other kangaroo rats it has a large head and large eyes, and long, strong hind leg with which helps it hop at high : Mammalia.
INTRODUCTION. The geographic range of the kangaroo rats, genus Dipodomys, extends from southern Canada south to the southern limits of the Mexican Tableland and from the Pacific Coast east to the eastern limits of the Great Plains in Kansas, Oklahoma and animals are usually restricted to sandy soils in semiarid regions. The species Dipodomys ordii, with which this account is. Marc S. Hulin, Robert Quinn, in The Laboratory Rat (Second Edition), M. Kangaroo Rat (Dipodomys spp.)There are two species of kangaroo rats that have been studied in biomedical research: Dipodomys merriami (Merriam's kangaroo rat) and D. spectabilis (banner-tailed kangaroo rat). However, other species of kangaroo rats, D. ordii (Ord's) and D. deserti (Desert), have been used to study.
Cal/Ecotox Exposure Factors for Merriam's Kangaroo Rat (Dipodomys merriami)* Page 1 Endpoint Type. The kangaroo rat is a member of the order Rodentia and family Hetermyidae. Heteromyidae contains nine genera and 60 extant species (Carrasco, ).The genus Dipodomys consists of 21 species, all of which inhabit North America (Donnelly and Quimby, ). D. ordii, or the Ord’s kangaroo rat (Figure ), is the most widely distributed species in the United States (Sjoberg et al., ).
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Get this from a library. An analysis of intraspecific variation in the kangaroo rat Dipodomys merriami. [William Z Lidicker, Jr.]. AN ANALYSIS OF INTRASPECIFIC VARIATION IN THE KANGAROO RAT DIPODOMYS MERRIAMI.
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An Analysis of Introspecific Variation in the Kangaroo Rat Dipodomys MerriamiAuthor: W.Z. LIDICKER. Kangaroo rats, small mostly nocturnal rodents of genus Dipodomys, are native to arid areas of western North common name derives from their bipedal form. They hop in a manner similar to the much larger kangaroo, but developed this mode of locomotion independently, like several other clades of rodents (e.g.
dipodids and hopping mice).Class: Mammalia. Ernest A. Christopher, Sympatric Relationships of the Kangaroo Rats, Dipodomys merriami and Dipodomys agilis, Journal of Mammalogy, Vol Issue 2, 31 MayAn analysis of intraspecific variation in the kangaroo rat Dipodomys by: 9.
Merriam's kangaroo rat (Dipodomys merriami) is a species of rodent in the family Heteromyidae. The species name commemorates Clinton Hart Merriam. Dipodomys merriami is found in the Upper and Lower Sonoran life zones of the southwestern United States, Baja California, and northern Mexico.
Merriam's kangaroo rats, like other kangaroo rats and Class: Mammalia. Representatives of one widely distributed subspecies of Merriam's kangaroo rat, Dipodomys merriami merriami, were collected from three locations that differ in environmental temperatures and aridity.
Mass, evaporative water loss, urine osmolality, rate of fractional body‐mass loss, fecal water content, and metabolic rate were measured under Cited by: Abstract. Collections of Merriam's kangaroo rat (Dipodomys merriami) were made from a creosote bush community near Las Vegas, Nevada, during the period 30 May to 31 January All months of the year were represented and specimens were examined.
The reproductive condition of all specimens was by: Regarding water loss, intraspecific studies have shown that the TEWL of kangaroo rats (Dipodomys merriami merriami) and olivaceous field mice (Abrothrix olivaceus) from xeric populations were. Intraspecific variation in external and cranial measurements of agile kangaroo rats (Dipodomys agilis) was evaluated using 3, adult specimens (1, males and 1, females).
Ecology, 82(4),pp. by the Ecological Society of America INTRASPECIFIC VARIATION IN WATER LOSS IN A DESERT RODENT, DIPODOMYS MERRIAMI RANDALL L. TRACY1 AND GLENN E. WALSBERG Department of Biology. Populations of the endangered giant kangaroo rat, Dipodomys ingens (Heteromyidae), have suffered increasing fragmentation and isolation over the recent past, and the distribution of this unique rodent has become restricted to 3% of its historical range.
Such changes in population structure can significantly affect effective population size and dispersal, and ultimately increase the risk of Cited by: The agile kangaroo rat (Dipodomys agilis) is a species of rodent in the family Heteromyidae.
It is found in Baja California, Mexico and southern California in the United States. Relatively little information has been published on the natural history, life history, ecology, or behavior of the agile kangaroo : Mammalia.
The Dulzura kangaroo rat, or San Diego kangaroo rat (Dipodomys simulans) is a species of rodent in the family Heteromyidae. It is found in Baja California, Mexico, and in the Colorado Desert and elsewhere in California in the United is a common species and Class: Mammalia.
Free-living Merriam's kangaroo rats in the Mojave Desert did not drink, even when abundant rainwater was available for short periods in winter and summer, but they still obtained much more water than expected from a diet of dry seeds alone.
Yearround measurements of water influx rates and field metabolic rates (via doubly labeled water), diet composition (stomach content analysis), and body Cited by: Kangaroo rats: intraspecific variation in Dipodomys spectabilis Merriam and Dipodomys deserti Stephens / Related Titles.
Series: Illinois biological monographs ; v. 49 By. Nader, Iyad A., Type. Book Material. Published material. Publication info.
Terrestrial Mammal Species of Special Concern in California, Bolster, B.C., Ed., 95 San Bernardino kangaroo rat, Dipodomys merriami parvus Philip V.
Brylski Description: A small, dark-colored four-toed kangaroo rat, with TL to mm, BL 95 mm; weight about 35 g. Ord's kangaroo rat (Dipodomys ordii) is a kangaroo rat native to western North America, specifically the Great Plains and the Great Basin, with its range extending from extreme southern Canada to central Mexico.
Ord's kangaroo rat has a fifth toe on its hind feet, which distinguishes it from Dipodomys is bicolored with gold-brown dorsal hair and a white : Mammalia. The San Bernardino kangaroo rat (Dipodomys merriami parvus) is a species of rodent in the family is one of 19 recognized subspecies of Merriam's kangaroo rat (Dipodomys merriami) that are spread throughout the arid regions of the southwestern United States and Dipodomys merriami, the San Bernardino kangaroo rat has the diagnostic trait of having four toes on its Class: Mammalia.
Using Merriam's kangaroo rats (Dipodomys merriami), we assessed the explanatory power and generality of hypothesized syndrome structures derived from the literature and the natural history of the species.
Several aspects of functionally distinct behavioural responses of D. merriami were quantified. Syndrome structures were compared using Cited by: three species of kangaroo rat, Dipodomys spectabilis, D. ordii and D. merriami. Ricochetal locomotion is easy to observe, the animals involved vary in size-(see Table 1 under Materials and Methods), as well as number of toes on the hind foot1, and the animals may be found.
Dipodomys microps forages in saltbush (Atriplex confertifolia), gathering the leaves into its external check pouches and returning them to the burrow to be cached or eaten. The leaves are available throughout the year and contain 50–80% water.
D. microps can survive on these leaves in the laboratory without other food or water, but it is unusual among kangaroo rats in that it quickly Cited by: