Author : Silas C. C. Wade
Publisher :
Page : 170 pages
File Size : 20,25 MB
Release : 1976
Category : Turtles
ISBN :
[PDF] An Investigation Of Shell Part Ratios Spot Characteristics Growth And Population Structure And Stability In The Spotted Turtle Clemmys Guttata Schneider eBook
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Behavioral and Ecological Study of the Spotted Turtle, Clemmys Guttata (Schneider)
Author : Diana Jane Lutz
Publisher :
Page : 330 pages
File Size : 26,45 MB
Release : 2009
Category : Clemmys guttata
ISBN :
The Population Dynamics of the Spotted Turtle, Clemmys Guttata, on Carroll Island
Author : Wayne G. Landis
Publisher :
Page : 18 pages
File Size : 19,35 MB
Release : 1983
Category :
ISBN :
The population dynamics and structure of the spotted turtle, Clemmys guttata, were studies from 1970 until 1982. Carroll Island was the site of chemical testing from post WW II until 1971. Special consideration was given to the impact upon the populations of turtles by the chemicals released on Carroll Island. Several findings are noteworthy. The number of juveniles on the island has steadily declined over the 12 years of sampling. The current (1982) population is half of that estimated for 1972-73. The proportion of females dropped as low as 0.25 of the population. Four possible hypotheses are delivered to explain the observations. The most likely explanations are that a temperature anomaly or natural catastrophe dramatically reduced the proportion of females present. At the same time the population of turtles overshot the carrying capacity of the environment after cessation of an artificial or natural constraint.
Snack-sized Turtles?
Author : Amanda M. Rocker
Publisher :
Page : 88 pages
File Size : 34,34 MB
Release : 2022
Category : Clemmys guttata
ISBN :
Reptiles are experiencing decreased population sizes and declines in number of populations. Despite this overall pattern, for many species, there remains insufficient data to understand population trends, let alone the specific causes of these declines. One species experiencing severe declines, but sparse assessment is the spotted turtle (Clemmys guttata), a freshwater species found in wetlands in Eastern North America and classified as endangered under the IUCN Red List. This decline likely has occurred because of potential threats such as predation, collection for the pet trade, and habitat loss. I studied the size class distributions of turtles in Maryland and Delaware populations based on frequency of juvenile and adult turtles. I found that C. guttata populations had a negatively skewed size distributions at all study sites. However, they were primarily individuals in the 90-100 mm plastron length size range, while larger, older, individuals were not typically present. Additionally, I analyzed the potential predation of C. guttata based on predator-caused injuries and assessing predator abundance via camera traps. Clemmys guttata had a greater rate of predator-caused injuries compared to other common turtle species; however, there was no correlation between injury rate and predator activity, specifically regarding raccoons (Procyon lotor). My results suggest while there was a large proportion of adults in populations of C. guttata at my sites, very old adults were absent. This was potentially caused, in part, due to predation, but the explanation for high injury rates of C. guttata is complicated and likely involves other factors such as human removal for the pet trade.
Microhabitat Parameters and Spatial Ecology of the Spotted Turtle (Clemmys Guttata)
Author : Thomas P. Wilson
Publisher :
Page : 316 pages
File Size : 18,26 MB
Release : 2002
Category :
ISBN :
Spotted Turtle as Pet
Author : Dr Morris Hart
Publisher : Independently Published
Page : 0 pages
File Size : 10,57 MB
Release : 2024-07-03
Category : Pets
ISBN :
Spotted turtles (Clemmys guttata) are fascinating creatures known for their distinct appearance and unique habitat preferences. Native to North America, these small, semi-aquatic turtles are cherished for their striking yellow spots on a dark brown or black shell, making them a favorite among reptile enthusiasts and pet owners alike. In this comprehensive guide, we delve into the fascinating world of spotted turtles, exploring their natural history, physical characteristics
Determining Population Demographics and Genetic Structure of an Endangered Species, the Spotted Turtle, Clemmys Guttata, on the Delmarva Peninsula
Author : Stephanie Michelle Lamb
Publisher :
Page : 192 pages
File Size : 43,70 MB
Release : 2018
Category : Animal population genetics
ISBN :
Observations on the Population Ecology of the Spotted Turtle, Clemmys Guttata, Near the Northern Limit of Distribution
Author : Gerry Bird
Publisher :
Page : 50 pages
File Size : 19,32 MB
Release : 1982
Category :
ISBN :
Demography of the Spotted Turtle (clemmys Guttata) in Illinois
Author : Christina Yen Feng
Publisher :
Page : pages
File Size : 39,40 MB
Release : 2018
Category :
ISBN :
Geographic Variation in Life History of the Spotted Turtle (Clemmys Guttata) [microform] : a Southern Perspective
Author : Litzgus, Jacqueline D. (Jacqueline Danielle)
Publisher : Ann Arbor, Mich. : University Microfilms International
Page : 350 pages
File Size : 43,96 MB
Release : 2003
Category :
ISBN :