Results 221 to 230 of about 108,598 (292)

Comparative Efficiency of eDNA, Camera Traps and Scat Surveys to Detect a Semi‐Aquatic Mammal Across Multiple Catchments

open access: yesAnimal Conservation, EarlyView.
Monitoring semi‐aquatic mammals is essential for their conservation, but it is made difficult by their elusive lifestyle and generally low abundance. Eurasian otter (Lutra lutra) monitoring has traditionally relied on scat surveys, but eDNA and camera‐trapping are emerging as promising alternatives.
Simon Lacombe   +15 more
wiley   +1 more source

Surgical Risk and Revascularization-An Update. [PDF]

open access: yesJ Soc Cardiovasc Angiogr Interv
Marquis-Gravel G   +13 more
europepmc   +1 more source
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Impacts of Gravel Mining on Gravel Bed Streams

Transactions of the American Fisheries Society, 1998
Abstract The impacts of gravel mining on physical habitat, fine-sediment dynamics, biofilm, invertebrates, and fish were studied in three Ozark Plateaus gravel bed streams. Intense studies were performed upstream, on site, and downstream from one large mine on each stream.
Arthur V. Brown   +2 more
openaire   +1 more source

Subaqueous gravel dunes

Journal of Sedimentary Research, 1999
Abstract Gravel dunes are rarely reported owing to comparative rarity of occurrence and generic confusion with antidunes and classes of gravel bars. A compilation of data from the literature for sediments with a median size greater than 2 mm shows that dunes have been developed in the laboratory in median grain sizes up to 28.6 mm ...
openaire   +1 more source

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