Western Pond Turtle (Actinemys marmorata formerly Clemmys marmorata)

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Western Pond Turtle (Actinemys marmorata formerly Clemmys marmorata)

Citation:

Habits and home range of the Pacific pond turtle, Clemmys marmorata, in a stream community

Author(s)
Bury, Richard Bruce
Pages
205
Year
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
Home Range 133 average distance moved along stream between relocations m Not Reported Juvenile 18 Hayfork Creek (elev., 610m) Exposure Factor Datasets Trinity
Time of Torpor or Hibernation Oct. - May Both Male and Female Both Adults and Juveniles 578 marked turtles Hayfork Creek (elev., 610m) Exposure Factor Datasets Trinity
Population Density 214 density also reported as 333-347 turtles/mile of stream or 85 turtles/acre #/ha Both Male and Female Both Adults and Juveniles 578 marked turtles Hayfork Creek (elev., 610m) Exposure Factor Datasets Trinity
Home Range 976 "distance between extremes" or maximum range on a linear scale m Male Adult 19 Hayfork Creek (elev., 610m) Exposure Factor Datasets Trinity
Home Range 248 "distance between extremes" or maximum range on a linear scale m Female Adult 23 Hayfork Creek (elev., 610m) Exposure Factor Datasets Trinity
Home Range 363 "distance between extremes" or maximum range on a linear scale m Not Reported Juvenile 18 Hayfork Creek (elev., 610m) Exposure Factor Datasets Trinity
Home Range 400 average distance moved along stream between relocations m Male Adult 19 Hayfork Creek (elev., 610m) Exposure Factor Datasets Trinity
Home Range 104 average distance moved along stream between relocations m Female Adult 23 Hayfork Creek (elev., 610m) Exposure Factor Datasets Trinity
Citation:

Feeding ecology of the turtle, Clemmys marmorata

Author(s)
Bury, R. Bruce
Pages
515-521
Year
Issue
4
Volume
20
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
Dietary Composition Algae (2.00); Nematomorpha (0.25); Crustacea (2.55); Araneae (0.15); Odonata nymphs (10.15); Ephemeroptera nymphs (4.60); Trichoptera larvae (17.25); Hemiptera nymphs (0.58); Hemiptera adults (0.41); Orthoptera adults (1.60); Coleoptera larvae (7.95); Coleoptera adults (0.48); Diptera larvae (4.45), Diptera adults (0.30); Osteichthyes (0.90); Amphibia (1.20); Other (0.80) volume (cc) of food items in stomach contents determined by water displacement cc Not Reported Juvenile 30 Hayfork Creek (elev., 750m) Exposure Factor Datasets Trinity
Dietary Composition Algae (18.00); Other vegetation (0.30); Nematomorpha (0.05); Crustacea (10.10); Araneae (0.15); Odonata nymphs (4.05); Ephemeroptera nymphs (0.15); Trichoptera larvae (19.80); Hemiptera nymphs (0.40); Hemiptera adults (0.30); Orthoptera adults (0.55); Coleoptera larvae (5.15); Coleoptera adults (0.30); Diptera larvae (0.66), Diptera adults (0.10); Osteichthyes (0.20); Amphibia (4.05); Other (1.35) volume (cc) of food items in stomach contents determined by water displacement cc Female Adult 27 Hayfork Creek (elev., 750m) Exposure Factor Datasets Trinity
Dietary Composition Algae (4.00); Other vegetation (0.50); Crustacea (5.55); Odonata nymphs (5.00); Ephemeroptera nymphs (2.91); Trichoptera larvae (7.40); Hemiptera nymphs (0.10); Hemiptera adults (0.10); Orthoptera adults (0.20); Coleoptera larvae (0.75); Coleoptera adults (0.10); Diptera larvae (9.15); Osteichthyes (10.90); Amphibia (7.80); Other (0.50) volume (cc) of food items in stomach contents determined by water displacement cc Male Adult 20 Hayfork Creek (elev., 750m) Exposure Factor Datasets Trinity
Citation:

Notes on the range and life history of the Pacific fresh-water turtle, Clemmys marmorata

Author(s)
Storer, Tracy I.
Pages
429-441
Year
Issue
5
Volume
32
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Time of Torpor or Hibernation Sept. - Mar. Not Reported Not Reported Not Reported Exposure Factor Datasets
Clutch or Litter Size eggs/clutch Female Adult 7 Exposure Factor Datasets
Time of Mating/ Laying June - Aug. time of egg deposition Female Adult Not Reported Exposure Factor Datasets
Body Weight - Mean lb, oz Both Male and Female Adult 9 Sacramento and San Joaquin Valleys Exposure Factor Datasets
Citation:

Notes on reproduction in Clemmys marmorata

Author(s)
Feldman, Mark
Pages
10-11
Year
Issue
1
Volume
13
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type Lab
Clutch or Litter Size eggs/clutch Female Adult 4 Umpqua River, Roseburg, Douglas County Exposure Factor Datasets
Duration of Incubation or Gestation time from egg to hatching at 25-30C d Not Reported Embryo 13 Exposure Factor Datasets Laboratory
Citation:

Reproductive parameters of Pacific pond turtles Clemmys marmorata in the streams on the coast of central California

Author(s)
Scott, Norman J., Jr., Galen B. Rathbun, Thomas G. Murphey and Margaret B. Harker
Publisher
American Society of Ichthyologists and Herpetologists
Year
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type
Clutch or Litter Size 5.69 average clutch size eggs/clutch Female Adult 81 clutches Arroyo Laguna, Little Pico Creek, Pico Creek and San Simeon Creek Exposure Factor Datasets
Clutches or Litters per year range of average number of clutches/yr clutches/yr Female Adult 81 clutches Arroyo Laguna, Little Pico Creek, Pico Creek and San Simeon Creek Exposure Factor Datasets
Citation:

Clemmys marmorata (western pond turtle) size

Author(s)
McKeown, Sean and Dan C. Holland
Pages
59
Year
Issue
2
Volume
16
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
Body Weight - Mean 854 maximum reported body weight g Male Adult 450 largest turtle found near Huron Exposure Factor Datasets Fresno
Citation:

Nesting behavior and movements of western pond turtles, Clemmys marmorata

Author(s)
Rathbun, Galen B., Nancy Siepel and Dan Holland
Pages
319-324
Year
Issue
3
Volume
37
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
Home Range median daily movement m Not Reported Adult 4 Arroyo Laguna-Oak Knoll Creek, San Simeon Point Exposure Factor Datasets San Luis Obispo
Home Range mean daily movement m Not Reported Adult 4 Arroyo Laguna-Oak Knoll Creek, San Simeon Point Exposure Factor Datasets San Luis Obispo
Citation:

Comparative demography of Clemmys marmorata populations in the Trinity River of California in the context of dam-induced alterations

Author(s)
Reese, Devin A. and Hartwell H. Welsh, Jr
Pages
505-515
Year
Volume
32
Exposure Endpoint Type Endpoint Description Units Sex Life Cycle Stage Sample Size Location Type California Counties
Population Density range in density estimates at 2 locations #/ha Both Male and Female Both Adults and Juveniles Not Reported Trinity River Exposure Factor Datasets Trinity
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