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7 results for “lost frog”
Fig. 3 in On the distribution and conservation of two "Lost World" tepui summit endemic frogs, Stefania ginesi Rivero, 1968 and S. satelles Señaris, Ayarzagüena, and Gorzula, 1997
Fig. 3. Phylogenetic relationships as recovered in the MrBayes analysis (concatenated dataset, 2359 bp), outgroup not shown. Values at each node represent Bayesian posterior probabilities; asterisks indicate values> 95%. Stefania ginesi sensu stricto, and S. satelles sensu stricto are highlighted in red. Relation between eye color and tepui summit surface is indicated on the right side of the figure. Photos PJRK.
Fig. 2 in On the distribution and conservation of two "Lost World" tepui summit endemic frogs, Stefania ginesi Rivero, 1968 and S. satelles Señaris, Ayarzagüena, and Gorzula, 1997
Fig. 2. Typical Pantepui landscape. Photograph taken on 8th June 2012 from the summit of Upuigma-tepui, showing Angasima-tepui on the left and Akopán-tepui and Amurí-tepui on the right. Note stretches of savannah mainly caused by anthropogenic fires. Photo PJRK.
Fig. 1 in On the distribution and conservation of two "Lost World" tepui summit endemic frogs, Stefania ginesi Rivero, 1968 and S. satelles Señaris, Ayarzagüena, and Gorzula, 1997
Fig. 1. Left: Map of Pantepui and its location within South America (inset); the thick blue line indicates the Río Caroní. Right: Map of the area under study showing localities mentioned in the text (yellow dots represent known localities of occurrence of Stefania satelles, white dots represent known localities of occurrence of Stefania ginesi). Numbers indicate sampled localities and Roman numerals indicate unsampled localities, as follows: (1) Aprada-tepui, Venezuela; (2) Murisipán-tepui, Venezuela; (3) Upuigmatepui, Venezuela; (4) Angasima-tepui, Venezuela; (5) Abakapá-tepui, Venezuela; (6) Chimantá-tepui, Venezuela; (7) Amurí-tepui, Venezuela; (i) Kamarkawarai-tepui, Venezuela; (ii) Murei-tepui, Venezuela; (iii) Churí-tepui, Venezuela; (iv) Akopán-tepui, Venezuela.
Lost and found: frogs in a biodiversity hotspot rediscovered with environmental DNA
<p>Declines and extinctions are increasing globally and challenging conservationists to keep pace with biodiversity monitoring. Organisms leave DNA traces in the environment and this free DNA in soil, water, and air is referred to as environmental DNA (eDNA). The analysis of eDNA is a highly sensitive method with the potential to rapidly assess local diversity and the status of threatened species. <span>We</span> searched for DNA traces of 30 target amphibian species of conservation concern, at different levels of threat, using an environmental DNA metabarcoding approach to analyze water samples <span>from six montane sites </span>in the Atlantic Coastal Forest and adjacent Cerrado grasslands of Brazil. <span>We </span>successfully<span> detected DNA traces of four declined species (<i>Hylodes ornatus</i>, <i>H. regius</i>, <i>Crossodactylus timbuhy</i>, and <i>Vitreorana eurygnatha</i>); two locally disappeared (<i>Phasmahyla exilis</i> and <i>P. guttata</i>); and one species that has not been seen since 1968 (<i>Megaelosia bocainensis</i>). We confirm the presence of species undetected by traditional methods, underscoring the efficacy of eDNA metabarcoding for </span>biodiversity monitoring at<span> low population densities, </span>especially in megadiverse tropical sites,<span> and its potential application in conservation biology.</span></p>
Figure 1 from: Correa C (2021) A solution to the enigma of the type locality of Telmatobius halli Noble, 1938 (Anura, Telmatobiidae), a frog lost for 86 years. ZooKeys 1060: 183-192. https://doi.org/10.3897/zookeys.1060.67904
Figure 1 Upper area of the Loa River and surroundings, showing the location of populations recently assigned to Telmatobius halli, its type locality according to this study and other Telmatobius populations near Ollagüe. The railway line that connected Ollagüe with the Collahuasi mine (to the Montt station) and the dirt road that connected the Collahuasi mine and Chiclla with Miño (white arrows) are indicated. Note that the road continues from Miño to the Carcote salt flat. The background map was constructed by joining two maps published by the Comisión Chilena de Límites in 1912.
Lost and found: frogs in a biodiversity hotspot rediscovered with environmental DNA
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Data from: Evolutionary history of Lost World frogs (Ph.D. thesis)
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International Brain Laboratory public data
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OpenNeuro
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