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Dipodomys merriami

Citation:

The ecology of Merriam's kangaroo rat (Dipodomys merriami Mearns) on the grazing of lands of southern Arizona

Author(s)
Reynolds, Hudson G.
Pages
112-127
Year
Issue
2
Volume
28
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Food Ingestion Rate 12 body weight maintanance requirement based on a rolled barley diet % body weight/d Both Male and Female Not Reported 10 Exposure Factor Datasets
Dietary Composition grass seeds (49%); forb seeds (33%); shrub seeds (12%); other vegetative parts (5%) % frequency of occurrence in pouch contents % Not Reported Not Reported Santa Rita Experimental Range, Tucson (elev., 3000-4000 ft) 1001 pouches Exposure Factor Datasets
Clutch or Litter Size 2.02 1 - 3 embryos/female Female Adult Santa Rita Experimental Range, Tucson (elev., 3000-4000 ft) Not Reported Exposure Factor Datasets
Home Range 0.466 acres Male Adult Santa Rita Experimental Range, Tucson (elev., 3000-4000 ft) Not Reported Exposure Factor Datasets
Home Range 0.373 acres Female Adult Santa Rita Experimental Range, Tucson (elev., 3000-4000 ft) Not Reported Exposure Factor Datasets
Home Range 0.243 acres Both Male and Female Juvenile Santa Rita Experimental Range, Tucson (elev., 3000-4000 ft) Not Reported Exposure Factor Datasets
Citation:

Minimal metabolism, summit metabolism and plasma thryoxine in rodent from different environments

Author(s)
Hulbert, A.J., D.S. Hinds and R.E. MacMillen
Pages
687-693
Year
Volume
81
Exposure Endpoint Type Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 32.6 - 34.2 g Not Reported Not Reported captured in San Bernadino and Riverside Counties, CA Not Reported Exposure Factor Datasets
Metabolic Rate range of mean "minimal metabolism" estimated as oxygen consumption at 32C 1.1 - 1.42 ml O2/g/h Not Reported Not Reported captured in San Bernadino and Riverside Counties, CA 8 Exposure Factor Datasets
Citation:

Consumption of primary production by a population of kangaroo rats (Dipodomys merriami) in the Mojave desert

Author(s)
Soholt, Lars F.
Pages
357-376
Year
Volume
43
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Population Density 16.2 12.3 - 19.5 #/ha Not Reported Not Reported Indian Cove, Joshua Tree National Monument Not Reported Exposure Factor Datasets
Clutch or Litter Size 2.2 1-4 embryos/ female Female Adult Indian Cove, Joshua Tree National Monument 24 Exposure Factor Datasets
Fledging or Weaning Rate 42 estimated age at weaning d Not Reported Juvenile Indian Cove, Joshua Tree National Monument 104 Exposure Factor Datasets
Dietary Composition seeds (75%); leaves (20%); flowers (3%); stems (1%); arthropods (1%) % by weight of stomach contents % Not Reported Not Reported Indian Cove, Joshua Tree National Monument 172 Exposure Factor Datasets
Body Weight - Mean range of 4 seasonal means 36.4 - 40.5 g Not Reported Not Reported Indian Cove, Joshua Tree National Monument 20-42/season Exposure Factor Datasets
Body Fat (total or %) range of 4 seasonal means of fat content (% live weight) 3.1 - 3.8 % Not Reported Not Reported Indian Cove, Joshua Tree National Monument 20-42/season 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 Range Units Sex Life Cycle Stage Location Sample Size Type
Age at Fledging, Metamorphosis, Weaning 17 - 22 d Not Reported Juvenile adults captured at Alpine Butte, Los Angeles County, CA 4 litters Exposure Factor Datasets
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:

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 Range Units Sex Life Cycle Stage Sample Size Type
Clutch or Litter Size 2.2 2-3 pups/litter Female Adult 4 litters Exposure Factor Datasets
Age at Fledging, Metamorphosis, Weaning 19 - 22 d Not Reported Juvenile 4 litters Exposure Factor Datasets
Citation:

Aboveground activity of Merriam's kangaroo rats (Dipodomys merriami) in relation to sex and reproduction

Author(s)
Behrends, Philip, Martin Daly, Margo I. Wilson
Pages
210-226
Year
Issue
3-4
Volume
96
Exposure Endpoint Type Range Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 32.2 - 42.2 g Male Adult Boyd Deep Canyon Reserve (elev., 300m) 10 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 Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 32.6 4.1 SD g Female Adult Owens Valley, Big Pine (lat., 37^o11'N) 154 Exposure Factor Datasets
Body Weight - Mean 3 g Not Reported Neonate Owens Valley, Big Pine (lat., 37^o11'N) Not Reported Exposure Factor Datasets
Body Weight - Mean 17 g Both Male and Female Juvenile Owens Valley, Big Pine (lat., 37^o11'N) Not Reported Exposure Factor Datasets
Citation:

Comparative ecology of sympatric Dipodomys agilis and Dipodomys merriami in southern California

Author(s)
McClenaghan, Leroy R.
Pages
175-185
Year
Issue
14
Volume
29
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Longevity 8.3 mean length of life at study site mo Both Male and Female Not Reported Jacumba (elev., 988 m) Not Reported Exposure Factor Datasets
Citation:

Seasonal water and energy metabolism of the desert dwelling kangaroo rat (Dipodomys merriami)

Author(s)
Nagy, Kenneth A. and M.J. Gruchacz
Pages
1461-1478
Year
Issue
6
Volume
67
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Water Ingestion Rate log10(WI) = 0.652log10(BW) - 0.549 equation relating whole-animal water influx (WI) to body weight (BW, g); r^2 = 0.206 ml water/d Not Reported Not Reported Kelso Sand Dunes (elev., 830-840 m) [lat., 34^o53'30"N, long., 115^o40'20"W] 4-9 per mo/15 mo Exposure Factor Datasets
Metabolic Rate log10(L CO2/d) = 0.845log10(BW) - 1.005 field metabolic rate; equation relating whole animal carbon dioxide production rates to body weight (BW, g); r^2=0.466 L CO2/d Not Reported Not Reported Kelso Sand Dunes (elev., 830-840 m) [lat., 34^o53'30"N, long., 115^o40'20"W] 4-9 per mo/15 mo Exposure Factor Datasets
Dietary Composition seed (77%); vegetation (18%); arthropod (4.5%); feces (0.5%) % of total dry matter of stomach contents % Not Reported Not Reported Kelso Sand Dunes (elev., 830-840 m) [lat., 34^o53'30"N, long., 115^o40'20"W] 4-9 per mo/15 mo Exposure Factor Datasets
Citation:

Consumption of herbaceaous vegetation and water during reproduction and development of Merriam's Kangaroo rat, Dipodomys merriami

Author(s)
Soholt, Lars F.
Pages
445-457
Year
Issue
2
Volume
98
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Body Fat (total or %) see citation figure of seasonal changes in % body fat % Both Male and Female Not Reported Indian Cove, Joshua Tree National Monument Not Reported Exposure Factor Datasets
Body Weight - Mean see citation figure of seasonal changes in weight g Both Male and Female Not Reported Indian Cove, Joshua Tree National Monument Not Reported Exposure Factor Datasets
Food Ingestion Rate see citation figure of daily food intake g/d Female Adult captured in Clark County, NV 4-16 Exposure Factor Datasets
Citation:

Population Ecology of a desert rodent: Dipodomys merriami in the Chihuahuan Desert

Author(s)
Zeng, Zongyong and James H. Brown
Pages
1328-1340
Year
Issue
5
Volume
68
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Growth Rate see citation figure of logistic growth curve for changes in body weight over time Both Male and Female Both Adults and Juveniles Cave Creek Bajada, Cochise County (elev., 1330 m) Not Reported Exposure Factor Datasets
Age at Fledging, Metamorphosis, Weaning < 1 mo Both Male and Female Juvenile Cave Creek Bajada, Cochise County (elev., 1330 m) Not Reported Exposure Factor Datasets
Clutch or Litter Size 2 estimated by palpation young/litter Female Adult Cave Creek Bajada, Cochise County (elev., 1330 m) Not Reported Exposure Factor Datasets
Citation:

Range use patterns and spatial relationships of Merriams's kangaroo rats (Dipodomys merriami)

Author(s)
Behrends, Philip, Martin Daly and Margo I. Wilson
Pages
187-209
Year
Volume
96
Exposure Endpoint Type Endpoint Value Endpoint Description Range Units Sex Life Cycle Stage Location Sample Size Type
Home Range range of mean home range in 3 study periods estimated by radiotelemetry 0.21 - 0.43 ha Female Adult Boyde Deep Canyon Reserve (elev., 300m) 7-10 Exposure Factor Datasets
Home Range range of mean home range in 3 study periods estimated by radiotelemetry 0.18 - 0.52 ha Male Adult Boyde Deep Canyon Reserve (elev., 300m) 8-11 Exposure Factor Datasets
Population Density 6 #/ha Both Male and Female Adult Boyde Deep Canyon Reserve (elev., 300m) Not Reported Exposure Factor Datasets
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:

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
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
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