Results 141 to 150 of about 6,518 (242)

Data from: Reconstructing the mass and thermal ecology of North American Pleistocene tortoises

open access: yes, 2019
Researchers often interpret the presence of tortoises in Pleistocene assemblages as evidence of an interglacial age, based on an assumption that these fossils indicate thermic climates, as modern giant tortoises require.
Esker, Donald   +5 more
core   +1 more source

Desert tortoises (Gopherus agassizii) and translocation: homing, behavior, habitat and shell temperature experiments

open access: yes, 2012
Includes bibliographical references (p. 33-38).Translocation of threatened or vulnerable species is a tool increasingly used for conservation and management, and in some species the behavioral and physiological responses to translocation may undermine ...
Hinderle, Danna
core  

The tortoises and turtles of Madagascar

open access: yes, 2008
Madagascar has a rich and diverse reptile fauna including several species of chelonians that are found nowhere else. It is home to such spectacular species as the Radiated Tortoise, Astrochelys radiata, the Spider Tortoise, Pyxis arachnoides, and the ...
Pedrono, Miguel
core  

Studying a Species in Decline: Gopher Tortoises and the Dilemma of Correction Factors

open access: yes, 1992
Numbers of gopher tortoises are declining throughout the southeastern United States, largely because of loss of habitat. Widespread monitoring of population sizes for gopher tortoises usually is done indirectly, by examining the burrows that tortoises ...
Mushinsky, Henry R., McCoy, Earl D.
core  

Tortoises

open access: yes, 2003
Se pretende enseñar a los niños el ciclo de vida de las tortugas y la forma en que interactúan con su entorno, sus hábitos, su estilo de vida y las amenazas a los que se enfrenta por la actuación de los hombres al modificar las condiciones ambientales. La obra contiene un mapa de distribución del hábitat de la tortuga, glosario y bibliografía.
openaire   +1 more source

Potential for Competition Between Endemic Giant Tortoises and Introduced Cattle on Santa Cruz Island, Galapagos

open access: yes, 2018
The Galápagos, an isolated cluster of small equatorial volcanic islands, have long been famous for their many unique endemic species, such as Galápagos giant tortoises. Unfortunately, these islands are now also increasingly notable for facing immense
Howlett, Sonia
core  

Habitat quality in farmland influences the activity patterns of giant Galapagos tortoises

open access: yes
Many Galapagos giant tortoises make seasonal migrations from arid lowlands in the wet season, to humid highlands in the dry season. However, for critically endangered Western Santa Cruz giant tortoises (Chelonoidis porteri), at least 88% of the habitat ...
S Blake (13711894)   +3 more
core   +2 more sources

Exploratory values for venous blood gas analysis of clinically healthy Hermann's tortoises (<i>Testudo hermanni</i>). [PDF]

open access: yesFront Vet Sci
Pagnini N   +6 more
europepmc   +1 more source

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