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Species detection using environmental DNA from water samples
A novel approach, based on the limited persistence of DNA in the environment, to detect the presence of a species in fresh water, using specific primers that amplify short mitochondrial DNA sequences to track the existence of a frog in controlled environments and natural wetlands.
Explorative genome scan to detect candidate loci for adaptation along a gradient of altitude in the common frog (Rana temporaria).
The genetic frame of adaptation to a gradient of altitude in the common frog is investigated by means of a genome scan based on 392 amplified fragment length polymorphism markers and the need for confirmation of the selection footprints for the outlier loci is highlighted.
Next‐generation monitoring of aquatic biodiversity using environmental DNA metabarcoding
It is argued that the proposed DNA‐based approach has the potential to become the next‐generation tool for ecological studies and standardized biodiversity monitoring in a wide range of aquatic ecosystems.
Improved detection of an alien invasive species through environmental DNA barcoding: the example of the American bullfrog Lithobates catesbeianus
- T. Dejean, A. Valentini, C. Miquel, P. Taberlet, E. Bellemain, C. Miaud
- Environmental Science
- 1 August 2012
It is demonstrated that the eDNA method is valuable for species detection and surpasses traditional amphibian survey methods in terms of sensitivity and sampling effort, suggesting that traditional field surveys have strongly underestimated the distribution of the American bullfrog.
Persistence of Environmental DNA in Freshwater Ecosystems
Improve the knowledge on DNA persistence in water in order to confirm the presence of the focus species in freshwater ecosystems and to greatly influence planning of biodiversity inventories and biosecurity surveys.
Prediction and validation of the potential global distribution of a problematic alien invasive species — the American bullfrog
Predicting the probability of successful establishment and invasion of alien species at global scale, by matching climatic and land use data, is a priority for the risk assessment. Both large‐ and…
Habitat Matrix Effects on Pond Occupancy in Newts
Abstract: In farmlands, the population viability of many amphibians is suspected to depend on the resistance the matrix of crop fields presents to movements between ponds and terrestrial sites and…
Variations in life-history traits in the common frog Rana temporaria (Amphibia: Anura): a literature review and new data from the French Alps
Life-history traits of Rana temporaria were studied in an alpine French population and in the literature, and mean adult body length was greater in females than in males.
Recent Asian origin of chytrid fungi causing global amphibian declines
Panzootic chytrid fungus out of Asia Species in the fungal genus Batrachochytrium are responsible for severe declines in the populations of amphibians globally. The sources of these pathogens have…
Population genetics reveals origin and number of founders in a biological invasion
This work studied the invasion of the American bullfrog into Europe, a species that is considered a major cause of decline for native amphibians and found that most non‐native populations derive from less than six females.