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

Author(s)

Chew, Robert M. and Alice Eastlake Chew

Year

Wed, 01/01/1969 - 12:00

Article Title

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

Volume

Issue

Pages

1-20

Start Page Number

Final Page

Review

Datapoints

Displaying 1 - 11 of 11 datapoints.

Species: Merriam's Kangaroo Rat (Dipodomys merriami)
Exposure Endpoint Type	Endpoint Description	Endpoint Value	Sample Size	Units	Life Cycle Stage	Specific Location	Range	Type
Population Density		11.47	Not Reported	#/ha	Both Adults and Juveniles	San Simon Valley, Portal (elev., 1370 m)	7.8 - 15.6	Exposure Factor Datasets
Home Range	average range of movement after 3 captures	62.0	Not Reported	m	Adult	San Simon Valley		Exposure Factor Datasets
Metabolic Rate	maintenance energy expenditure estimated from oxygen consumption		6/sampling period; 10 periods	kcal/day	Adult	captured at San Simon Valley, AZ from Aug. - July	103 - 181	Exposure Factor Datasets
Body Weight - Mean			Not Reported	g	Adult	San Simon Valley	39.1 - 44.1	Exposure Factor Datasets
Body Weight - Mean			Not Reported	g	Adult	San Simon Valley	38.4 - 44.38	Exposure Factor Datasets
Growth Rate	figure of changes in weight over time	see citation	90		Juvenile	San Simon Valley, Portal (elev., 1370 m)		Exposure Factor Datasets
Dietary Composition	% occurence of food items in cheek pouch contents	seeds (82%), herbs (14%), shrub (2%), arthropods (2%)	15	%	Not Reported	San Simon Valley, Portal (elev., 1370 m)		Exposure Factor Datasets
Age at Fledging, Metamorphosis, Weaning			Not Reported	d	Juvenile	San Simon Valley, Portal (elev., 1370 m)	20 - 25	Exposure Factor Datasets
Time of Hatching or Parturition		Jan. - Mar. (begin); Apr. - May (peak); Aug. (end)	Not Reported		Adult	San Simon Valley, Portal (elev., 1370 m)		Exposure Factor Datasets
Metabolic Rate	equation relating oxygen consumption (OC) to temperature (T, 29-35C)	OC = 5.32 - 0.134 T	6/sampling period; 10 periods	ml O2/g/hr	Adult	captured at San Simon Valley, AZ from Aug. - July		Exposure Factor Datasets

Species: Deer Mouse (Peromyscus maniculatus)
Exposure Endpoint Type	Endpoint Value	Sample Size	Units	Life Cycle Stage	Specific Location	Range	Type
Population Density	0.70	Not Reported	#/ha	Both Adults and Juveniles	San Simon Valley, Portal (elev., 1370 m)	0 - 3.3	Exposure Factor Datasets