Conserving the Galapagos giant tortoise: First steps towards lifetime tracks
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Lacking conservation genomics in the giant Galápagos tortoise
Conservation policy in the giant Galápagos tortoise, an iconic endangered animal, has been assisted by genetic markers for ~15 years: a dozen loci have been used to delineate thirteen (sub)species, between which hybridization is prevented. Here, comparative reanalysis of a previously published NGS data set reveals a conflict with traditional markers. Genetic diversity and population substructur...
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The Seychelles Giant Tortoise Conservation Project captive breeding programme for the Seychelles tortoises Dipsochelys arnoldi and D. hololissa is described. Successful hatching occurred in 2002 and the reasons for this success discussed. Important factors are enclosure design, social structure and the use of artificial incubation. Methods for sexing hatchlings are discussed. There may be great...
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No one knows for certain, but it is thought these giant tortoises live over 200 years in the wild. By way of illustration, a fully grown giant tortoise from Madagascar (G. radiata) was presented to the Queen of Tonga by Captain Cook in the 1770s. This tortoise died in 1966. It is entirely possible, on your visit to the Galápagos, that you may meet one of the same tortoises who greeted Charles D...
متن کاملNotes and records Preliminary observations indicate that giant tortoise ingestion improves seed germination for an endemic ebony species in Mauritius
Native forest in Mauritius has been reduced to patchy degraded fragments and the extinction risk of constituent rare endemic plants is compounded by poor seed germination (Page & D’Argent, 1997; Safford, 1997; Nyhagen et al., 2005). Endemic fruiting plants evolved alongside a number of ecologically important large frugivores that are now extinct, such as the dodo (Raphus cucullatus L.) and two ...
متن کاملExploring conservation discourses in the Galapagos Islands: A case study of the Galapagos giant tortoises.
Conservation discourses change rapidly both at global and local scales. To be able to capture these shifts and the relationships between humans and nature, we focused on a local and iconic conservation case: the Galapagos giant tortoises (Chelonoidis spp.). We used the Q methodology to contextualize conservation for science and decision making and to explore the multidimensionality of the conse...
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تاریخ انتشار 2016