Results 21 to 30 of about 4,800 (298)
Hydrobiology, 2023 The Odonata are not typically regarded as informative taxa for stream bioassessment in North America compared to other insects, particularly when monitoring the ecological impacts of organic pollution.
Cameron R. Cheri, Debra S. Finn
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A Hopf-power Markov chain on compositions [PDF]
Discrete Mathematics & Theoretical Computer Science, 2013 In a recent paper, Diaconis, Ram and I constructed Markov chains using the coproduct-then-product map of a combinatorial Hopf algebra. We presented an algorithm for diagonalising a large class of these "Hopf-power chains", including the Gilbert-Shannon ...
C.Y. Amy Pang
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Knowledge and Management of Aquatic Ecosystems, 1997 The spatio-temporal use of the riffle-pool sequence in a natural salmonid brook was studied by day and night for one year on brown trout (Salmo trutta L.), bullhead (Cottus gobio L.), European minnow (Phoxinus phoxinus L.) and stone loach (Barbatula ...
ROUSSEL J. M., BARDONNET A.
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Cutoff for the asymmetric riffle shuffle
The Annals of Probability, 2022 In the Gilbert-Shannon-Reeds shuffle, a deck of $N$ cards is cut into two approximately equal parts which are then riffled uniformly at random. Bayer and Diaconis famously showed that this Markov chain undergoes cutoff in total variation after $\frac{3\log(N)}{2 \log(2)}$ shuffles.
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Acta Limnologica Brasiliensia, 2010 AIM: Our study evaluated the effects of physical and chemical variables and seasonality on diversity and structure of the macroinvertebrate fauna in riffles of a Neotropical chalk stream; METHODS: Sampling was performed during the dry (September 2003 ...
Karina Ocampo Righi-Cavallaro +3 more
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Electrical resistivity dynamics beneath a fractured sedimentary bedrock riverbed in response to temperature and groundwater–surface water exchange [PDF]
Hydrology and Earth System Sciences, 2017 Bedrock rivers occur where surface water flows along an exposed rock surface. Fractured sedimentary bedrock can exhibit variable groundwater residence times, anisotropic flow paths, and heterogeneity, along with diffusive exchange between fractures ...
C. M. Steelman +3 more
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A contribution for the limnological knowledge of basaltic knickzones
Brazilian Journal of Biology, 2017 The knickzones are defined as locally steep riverbed segments, such as a convex reach in a concave-up longitudinal profile. They are worldwide distributed and geologically well studied, but despite their distinctiveness as a particular kind of ...
E. M. Brambilla +2 more
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YlLeo/1D-pool-riffle-hydro-morphodynamic-model: 1D-pool-riffle-hydro-morphodynamic-model
, 2023 No description ...
YUNLONG LEI
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The cutoff phenomenon for randomized riffle shuffles [PDF]
Random Structures & Algorithms, 2007 AbstractWe study the cutoff phenomenon for generalized riffle shuffles where, at each step, the deck of cards is cut into a random number of packs of multinomial sizes which are then riffled together. © 2007 Wiley Periodicals, Inc. Random Struct.
Guan-Yu Chen, Laurent Saloff-Coste
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Российский паразитологический журнал, 2016 Amphykotilidosis in fish in the North Caucasus region belongs to the rare infection and is being transmitted by fish juveniles during recreational activities.
K. G. Aliyeva +4 more
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