Results 61 to 70 of about 64,870 (279)

Turtles and Tortoises Are in Trouble [PDF]

open access: yesCurrent Biology, 2020
Turtles and tortoises (chelonians) have been integral components of global ecosystems for about 220 million years and have played important roles in human culture for at least 400,000 years. The chelonian shell is a remarkable evolutionary adaptation, facilitating success in terrestrial, freshwater and marine ecosystems.
Stanford, Craig B.   +50 more
openaire   +3 more sources

Morphological variations and sexual dimorphism in Chelonoidis carbonaria (Spix, 1824) and Chelonoidis denticulata (Linnaeus, 1766) (Testudinidae)

open access: yesBrazilian Journal of Biology
Chelonoidis Dcarbonaria and C. denticulata are two tortoises which are widely distributed Brazil. Although they occur sympatrically in different areas, C. carbonaria prefers open areas, while C. denticulata chooses forest areas. Significant morphological
MS Barros   +3 more
doaj   +1 more source

Sedation and Anesthesia of Galapagos (Chelonoidis nigra), Aldabra (Aldabrachelys gigantea), and African Spurred Tortoises (Centrochelys sulcata): A Retrospective Review (2009–2019)

open access: yesAnimals, 2021
Tortoises belong to the taxonomic family Testudinidae, which is considered one of the most imperiled families of the order Testudines. Anesthesia is often required for the medical and surgical management of large tortoises.
Rachel C. Turner   +6 more
doaj   +1 more source

Bias in the journal impact factor

open access: yes, 2007
The ISI journal impact factor (JIF) is based on a sample that may represent half the whole-of-life citations to some journals, but a small fraction (
C. Jennings   +15 more
core   +1 more source

Tick parasitism in the Mediterranean spur-thighed tortoise in the Maamora forest, Morocco.

open access: yesTicks and Tick-borne Diseases, 2019
Macroparasites in general, and ectoparasites in particular, have the potential to regulate host population dynamics. In this context, this study addresses the tick parasitism traits of the Mediterranean spur-thighed tortoise (Testudo graeca) in the core ...
Amalia Segura   +3 more
semanticscholar   +1 more source

Clade‐wide morphological and functional variation of the sauropsid columella

open access: yesThe Anatomical Record, EarlyView.
Abstract The columella (=stapes) is the middle ear bone of reptiles that transmits vibrations from the environment to the inner ear. It has been shown to exhibit extensive interspecific morphological disparity in several clades; however, its morphological variation and associated functional consequences remain poorly described.
John Peacock   +4 more
wiley   +1 more source

Mid‐Domain Effect and Wooded Habitat Shape Mediterranean Reptile Communities

open access: yesBiological Diversity, EarlyView.
Analyzing a large number of reptiles observed across protected areas in Central Italy, we tested whether the mid‐domain effect explains hump‐shaped richness–elevation patterns. Species richness was best predicted by the combined influence of geometric constraints and woodland cover, revealing two contrasting species clusters and offering a robust ...
Daniele Dendi   +3 more
wiley   +1 more source

The Tortoise And The Hare: A New Moral For An Old Fable [PDF]

open access: yes, 2012
Aesop\u27s The Tortoise and the Hare is a prominent moral fable in American cultural discourse. Having originated in ancient Greece, the fa­ble has varied over the years, but the basic elements remain the same.
Kanarek, Jaret
core   +1 more source

Communication of Business‐Nonprofit Collaborations and Environmental Legitimacy: Exploratory Insights From Italian Firms

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Collaborations with nonprofits can enhance firms' legitimacy, yet the relationship between their communication and corporate environmental legitimacy remains poorly understood. Furthermore, research lacks an analysis of the communication of business‐nonprofit collaborations through multiple actors' perspectives.
Andrea Rizzuni   +3 more
wiley   +1 more source

Gastrointestinal Endoparasite Infection on Red Foot (Chelonoidis carbonaria) in Surabaya City Based on Fecal Examination

open access: yesJournal of Parasite Science, 2021
Infectious disease which caused by parasite is the most serious problem in tortoise breeding. This study identifies gastrointestinal endoparasites infection on Red Foot (Chelonoidis carbonaria) during November 2020 to February 2021 in Surabaya City ...
Nurin Ardhiani   +3 more
doaj   +1 more source

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