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Displaying 1481 - 1520 of 2236 datapoints
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Dipodomys merriami

Citation:

Reproduction and food habits of Merriam's kangaroo rat, Dipodomys merriami

Author(s)
Bradley, W. Glenn and Roger A. Mauer
Pages
497-507
Year
Issue
3
Volume
52
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Clutches or Litters per year 1-2 litters/yr Female Adult Las Vegas Valley, Clark County (elev., 2500 ft) Not Reported Exposure Factor Datasets
Body Weight - Mean see citation figure of seasonal changes in mean body weight g Both Male and Female Adult Las Vegas Valley, Clark County (elev., 2500 ft) 2-96/mo Exposure Factor Datasets
Citation:

A comparative study of growth and development of the kangaroo rats, Dipodomys deserti stephens and Dipodomys merriami mearns

Author(s)
Butterworth, Bernard B.
Pages
127-139
Year
Volume
25
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean see citation figure of changes in weight over time g Not Reported Juvenile adults captured at Alpine Butte, Los Angeles County, CA 4 litters Exposure Factor Datasets
Growth Rate see citation figure of changes in weight over time g Not Reported Juvenile adults captured at Alpine Butte, Los Angeles County, CA 4 litters Exposure Factor Datasets
Citation:

Energy relationships of the mammals of a desert shrub (Larrea tridentata) community

Author(s)
Chew, Robert M. and Alice Eastlake Chew
Pages
1-20
Year
Issue
1
Volume
40
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Age at Fledging, Metamorphosis, Weaning 20 - 25 d Both Male and Female Juvenile San Simon Valley, Portal (elev., 1370 m) Not Reported Exposure Factor Datasets
Time of Hatching or Parturition Jan. - Mar. (begin); Apr. - May (peak); Aug. (end) Female Adult San Simon Valley, Portal (elev., 1370 m) Not Reported Exposure Factor Datasets
Metabolic Rate OC = 5.32 - 0.134 T equation relating oxygen consumption (OC) to temperature (T, 29-35C) ml O2/g/hr Both Male and Female Adult captured at San Simon Valley, AZ from Aug. - July 6/sampling period; 10 periods Exposure Factor Datasets
Citation:

The relation of oxygen consumption to temperature in desert rodents

Author(s)
Dawson, William R.
Pages
543-552
Year
Volume
36
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Metabolic Rate 1.2 average oxygen consumption rate at 31-34C cc O2/g/hr Not Reported Not Reported captured at Lovejoy Buttes, Los Angeles County, CA 25 Exposure Factor Datasets
Metabolic Rate OC = 3.57 + (-0.176)(T - 20.14) equation relating oxygen consumption (OC) to ambient temperature (T, 9-31C) cc O2/g/hr Not Reported Not Reported captured at Lovejoy Buttes, Los Angeles County, CA 25 Exposure Factor Datasets
Citation:

Dispersal distance and the range of nightly movements in Merriam's kangaroo rats

Author(s)
Jones, Thomas W.
Pages
27-34
Year
Issue
1
Volume
70
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Home Range 61.5 median lifetime distance moved from home range center (from first to last capture) m Male Juvenile Portal 16 Exposure Factor Datasets
Home Range 50.0 median lifetime distance moved from home range center (from first to last capture) m Female Adult Portal 16 Exposure Factor Datasets
Home Range 7413 estimated via minimum convex polygon method m2 Male Adult Portal 5 Exposure Factor Datasets
Home Range 2644 estimated via minimum convex polygon method m2 Female Adult Portal 4 Exposure Factor Datasets
Citation:

Seasonal reproductive patterns in five coexisting California desert rodent species

Author(s)
Kenagy, G. J. and George A. Bartholomew
Pages
371-397
Year
Issue
4
Volume
55
Exposure Endpoint Type Endpoint Value Error Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 36.2 3.7 SD g Male Adult Owens Valley, Big Pine (lat., 37^o11'N) 162 Exposure Factor Datasets
Time of Hatching or Parturition Feb. - June Female Adult Owens Valley, Big Pine (lat., 37^o11'N) Not Reported Exposure Factor Datasets
Duration of Incubation or Gestation 4 wk Female Adult Owens Valley, Big Pine (lat., 37^o11'N) Not Reported Exposure Factor Datasets
Clutch or Litter Size 2.46 0.72 SD 2 - 5 pups/itter Female Adult Owens Valley, Big Pine (lat., 37^o11'N) Not Reported Exposure Factor Datasets
Time of Torpor or Hibernation none Female Adult Owens Valley, Big Pine (lat., 37^o11'N) Not Reported Exposure Factor Datasets
Time of Mating/ Laying Jan. - June Both Male and Female Adult Owens Valley, Big Pine (lat., 37^o11'N) Not Reported Exposure Factor Datasets
Age at Sexual Maturity 1 yr Male Adult Owens Valley, Big Pine (lat., 37^o11'N) Not Reported Exposure Factor Datasets

Peromyscus maniculatus

Citation:

Energy relationships of the mammals of a desert shrub (Larrea tridentata) community

Author(s)
Chew, Robert M. and Alice Eastlake Chew
Pages
1-20
Year
Issue
1
Volume
40
Exposure Endpoint Type Endpoint Value Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density 0.70 0 - 3.3 #/ha Both Male and Female Both Adults and Juveniles San Simon Valley, Portal (elev., 1370 m) Not Reported Exposure Factor Datasets

Dipodomys nitratoides

Citation:

The reproduction of heteromyid rodents in captivity

Author(s)
Eisenberg, John F. and Donald E. Isaac
Pages
61-67
Year
Volume
44
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Sample Size Type
Clutch or Litter Size 2.3 1 - 3 pups/litter Female Adult 12 litters Exposure Factor Datasets
Age at Fledging, Metamorphosis, Weaning 21 - 24 d Not Reported Juvenile Not Reported Exposure Factor Datasets
Duration of Incubation or Gestation 32 d Female Adult 2 Exposure Factor Datasets
Body Weight - Mean see citation figure of changes in weight over time g Not Reported Juvenile Not Reported Exposure Factor Datasets
Age at Sexual Maturity 84 earliest age of conception d Female Adult Not Reported Exposure Factor Datasets

Perognathus longimembris

Citation:

The influence of ambient temperature, seed composition and body size on water balance and seed selection in coexisting heteromyid rodents

Author(s)
Hulbert, A.J. and Richard E. MacMillen
Pages
521-526
Year
Issue
4
Volume
75
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean range of means of initial weights for 3 experimental groups 9.33 - 9.45 g Not Reported Not Reported captured at Joshua Tree, San Bernadino County, CA 9/group Exposure Factor Datasets
Citation:

Seasonal reproductive patterns in five coexisting California desert rodent species

Author(s)
Kenagy, G. J. and George A. Bartholomew
Pages
371-397
Year
Issue
4
Volume
55
Exposure Endpoint Type Endpoint Value Error Range Units Sex Life Cycle Stage Location Sample Size Type
Time of Torpor or Hibernation Sept. - Mar. or Apr. Not Reported Adult Owens Valley, Big Pine (lat., 37^o11'N) Not Reported Exposure Factor Datasets
Time of Mating/ Laying Apr. - May Both Male and Female Adult Owens Valley, Big Pine (lat., 37^o11'N) Not Reported Exposure Factor Datasets
Body Weight - Mean 7.2 0.7 SD g Male Adult Owens Valley, Big Pine (lat., 37^o11'N) 66 Exposure Factor Datasets
Body Weight - Mean 7.3 1.1 SD g Female Adult Owens Valley, Big Pine (lat., 37^o11'N) 67 Exposure Factor Datasets
Clutch or Litter Size 4.75 0.77 SD 4 - 6 pups/litter Female Adult Owens Valley, Big Pine (lat., 37^o11'N) 16 Exposure Factor Datasets
Body Weight - Mean 0.5 g Not Reported Neonate Owens Valley, Big Pine (lat., 37^o11'N) Not Reported Exposure Factor Datasets

Dipodomys nitratoides ssp. exilis

Citation:

Observations on the natural history of the Fresno kangaroo rat

Author(s)
Culbertson, A.E.
Pages
189-193
Year
Volume
27
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 2.2 1.5 - 3.5 g Both Male and Female Neonate adults captured near Fresno 7 Exposure Factor Datasets
Growth Rate 2.5 (0d); 5.0 (10d); 9.0 (17d); 16.9 (33d); 19.1 (40d) body weight at various ages (0-40d) g Not Reported Juvenile 1 Exposure Factor Datasets
Clutch or Litter Size 2 young/litter Female Adult adults captured near Fresno Not Reported Exposure Factor Datasets
Citation:

Recovery of endangered kangaroo rats in the San Joaquin Valley, California

Author(s)
Williams, Daniel F. and David J. Germano
Pages
93-106
Year
Volume
28
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density range of average population density over 3 yrs 10.3 - 20.2 #/ha Not Reported Not Reported Elkhorn Plain Ecological Reserve 10-18/yr Exposure Factor Datasets
Population Density range of average population density in 2 habitat types 3.0 - 3.8 #/ha Not Reported Not Reported Pixley National Wildlife Refuge 11-18/habitat type Exposure Factor Datasets

Dipodomys stephensi

Citation:

Growth and development of Dipodomys stephensi

Author(s)
Lackey, James A.
Pages
624-632
Year
Volume
48
Exposure Endpoint Type Endpoint Value Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 67.26 g Both Male and Female Adult Bonsall and San Luis Rey 14 Exposure Factor Datasets
Age at Fledging, Metamorphosis, Weaning 18 - 22 d Both Male and Female Juvenile Not Reported Exposure Factor Datasets
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