Results 191 to 200 of about 53,264 (236)

In Vitro Thermal Effects on Embryonic Cells of Endangered Hawksbill TurtleEretmochelys imbricata [PDF]

Zoological Science, 2013
The hawksbill turtle is an ectotherm, whose sex is determined by temperature during embryonic development. This study aimed to determine whether embryonic hawksbill turtle cells respond differently to temperature than mammalian cells. Embryonic hawksbill
Satoshi Takeshita, Seiji Kodama, Keiji Suzuki   +2 more
exaly   +3 more sources

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Hawksbill Turtles in Cuba

Science, 1997
In his article “Turtle project can't outrun bureaucracy” (News & Comment, [20 June, p. 1785][1]) Jeffrey Mervis states that Cuba is seeking limited trade of hawksbill sea turtles on the grounds that its population is self-contained. The Cuban proposal at the 10th meeting of CITES (Convention on International Trade in Endangered Species of Flora and ...
N. Mrosovsky, Grahame Webb
openaire   +1 more source

How changes in beach morphology affect hawksbill turtle (Eretmochelys imbricata) nesting distribution at Celestun, Yucatan, Mexico

, 2021
The Yucatan Peninsula harbors important nesting beaches for the largest hawksbill turtle (Eretmochelys imbricata) populations in the Western Atlantic.
E. Cuevas, M. Liceaga-Correa, E. Núñez-Lara, I. Mariño‐Tapia   +3 more
semanticscholar   +1 more source

Post-nesting movements and feeding ground distribution by the hawksbill turtle (Eretmochelys imbricata) from rookeries in the Torres Strait

Wildlife research (East Melbourne), 2021
Context. Hawksbill sea turtles (Eretmochelys imbricata) are conservation-dependent species in many areas of the world. A key component to ensuring successful conservation initiatives for the species is understanding their distribution and habitat use, in
Claire E. Barr, M. Hamann, Takahiro Shimada, I. Bell, C. Limpus, Janine Ferguson   +5 more
semanticscholar   +1 more source

Signals of Vitellogenesis and Estrus in Female Hawksbill Turtles

Zoological Science, 2015
This study reports a viable means of identifying the vitellogenic cycle and limited estrus period in hawksbill turtles for the purposes of developing captive breeding program, based on the combination of blood metabolite parameters (triglyceride, total protein, and calcium levels), feeding status, and ovary condition. Follicle size of two focal captive
Isao, Kawazu, Masakatsu, Kino, Makio, Yanagisawa, Konomi, Maeda, Ken, Nakada, Yasuhiro, Yamaguchi, Yutaka, Sawamukai   +6 more
openaire   +2 more sources

Induction of Oviposition by the Administration of Oxytocin in Hawksbill Turtles

Zoological Science, 2014
We set out to develop an oviposition induction technique for captive female hawksbill turtles Eretmochelys imbricata. The infertile eggs of nine females were induced to develop by the administration of follicle-stimulating hormone, after which we investigated the effects of administering oxytocin on oviposition.
Isao, Kawazu, Masakatsu, Kino, Konomi, Maeda, Yasuhiro, Yamaguchi, Yutaka, Sawamukai   +4 more
openaire   +2 more sources

Semen Evaluation of Captive Hawksbill Turtles

Chelonian Conservation and Biology, 2014
Abstract This study presented information about the semen evaluation of captive male hawksbill sea turtles, Eretmochelys imbricata, based on an extended 15-mo study using the electro-ejaculation technique. In particular, we demonstrated that hawksbill sperm, which is underactive just after ejaculation, was activated by the presence of urine.
Isao Kawazu, Konomi Maeda, Masanori Koyago, Ken Nakada, Yutaka Sawamukai   +4 more
openaire   +1 more source

First insights into aliphatic and polycyclic aromatic hydrocarbons (PAHs) in hawksbill turtle (Eretmochelys imbricata) eggs from Persian Gulf, Iran.

Aquatic Toxicology
Petroleum pollution in marine ecosystems has raised great concern for both marine organisms and human health. The Persian Gulf, as a significant hotspot of petroleum pollution, is a crucial nesting area for hawksbill turtles (Eretmochelys imbricata ...
Sara Pouyande, Alireza Riyahi Bakhtiari, S. M. Ghasempouri   +2 more
semanticscholar   +1 more source

Spongivory in Hawksbill Turtles: A Diet of Glass

Science, 1988
The hawksbill ( Eretmochelys imbricata ), an endangered marine turtle associated with coral reefs throughout the tropics, feeds almost exclusively on sponges in the Caribbean, and possibly throughout its range. It is one of fewer than a dozen vertebrates that are known to specialize on this widely distributed but ...
openaire   +2 more sources

Later Nesting by Hawksbill Turtle following Sea Surface Warming

Journal of Herpetology, 2020
. We studied the nesting behavior of the Hawksbill Turtle (Eretmochelys imbricata) along the northeastern coast of Brazil, specifically in southern Rio Grande do Norte. We compare the peak of nesting activity for several seasons from 2006 to 2016.
G. Oliveira, G. Corso, D. M. Medeiros, I. D. M. Silva, A. J. B. Santos, M. Nakamura, H. M. Carmo, G. S. Lima   +7 more
semanticscholar   +1 more source