Daily Archives: December 30, 2013

HTC One OR HTC DROID DNA, compared to1138

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HTC One OR HTC DROID DNA, compared to1138 - Video

Dont Flop Rap Battle | DNA vs Villun
Dont Flop Rap Battle | DNA vs Villun recap review.

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UW DNA facility may help bring final member of WWII unit
They were like family. Young men who went to war, they fought together, they spilled blood together, and some died together. When World War II ended most cam...

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Team DNA Baby! - PlayMindcrack Server Changes
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PUBLIC RELEASE DATE:

30-Dec-2013

Contact: Jean-Luc Jung jung@univ-brest.fr Pensoft Publishers

Marine mammals are flagship and charismatic species, very attractive for the general public. Nowadays, they are also considered as highly relevant sentinel of the marine realm. Their presence and their welfare in an area is thought to indicate the health of the place, whereas their disappearance, their displacement, or a decrease in their abundance or health could reflect negative environmental changes, whether of anthropogenic origin or not.

Monitoring marine mammal biodiversity is often difficult to perform. If some species can be easily observed, others are more difficult to detect, because for instance, of their scarcity or their discrete behavior. One of the solution suggested by scientists is based on the organization of stranding networks, listing and recording marine mammal strandings, which represent a cost-effective means to follow the marine mammal biodiversity.

Researchers from Ocanopolis and from the Laboratory BioGeMME (Biologie et Gntique des Mammifres Marins dans leur Environnement) of the University of Brest, in collaboration with the Parc naturel marin d'Iroise and PELAGIS, have evaluated the usefulness of DNA barcoding in the monitoring of marine mammal biodiversity. They confirmed the species identifications performed by field correspondents, identified degraded carcasses or parts of carcasses, and examined intraspecific genetic variations for the harbour porpoise and the grey seal, undetectable by visual observation.

The conclusions of their study, published in a special issue of the open access journal Zookeys dedicated to DNA barcoding (DNA barcoding: a practical tool for fundamental and applied biodiversity research), are that the use of DNA barcoding in conjunction with a stranding network will clearly increase the accuracy of the monitoring of marine mammal biodiversity. Global climate change, as well as more localized environmental changes (some of which are caused by humans), has impacts on the marine realm. A routine use of DNA barcoding to monitor marine mammal biodiversity will clearly increase our capacity to detect such impacts, which is a necessary first step to take appropriate conservation measures.

In France, the French marine mammal stranding recording program has been created at the beginning of the 70s by the CRMM (Centre de Recherche sur les Mammifres Marins, La Rochelle, presently the Joint Service Unit PELAGIS, UMS 3462, University of La Rochelle- CNRS). The network comprises about 260 field correspondents, members of organizations or volunteers (Peltier et al. 2013, PloS One, e62180).

In Brittany (a region located at the northwest of France), the network is coordinated by Ocanopolis in Brest. In this area, and all species included, an average of 150 animals strand each year, representing, in the last ten years, 14 species of cetaceans and five species of pinnipeds. These species include for instance, common and bottlenose dolphins, harbour porpoises, but also larger animals like minke whales and fin whales. Some rare stranding events include deep-diving or exotic species, such as arctic seals.

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DNA barcoding to monitor marine mammal genetic diversity