We discuss theoretically trie filling of a (two-dimensional) silo when a mixture of partiales is poured at the ceuter. Our basic tool is a coupled set of equations (for the Iocal density of rolling species, and for the profile) proposed by Bouchaud et ai. We extend this to. a pair of species, including various processes: amplification, capture, and exchange of rolling grains. Using the simplest...

The dataset contains 2007 records of occurrence of 39 species of fish and 2 species of squid distributed on the Patagonian continental shelf and slope. This dataset describes a new and revised version of the original data published through OBIS with individual morphometrics. Specimens are representative of pelagic, demersal, demersal-pelagic, demersal-benthic and benthic habits and they were co...

Top-down control over attention was investigated on a dual task in 10-year-olds (N = 15) and adults (N = 21). The tasks were an auditory Digit Span and a simple visual Response Time task. In four conditions, participants performed neither (no-task), one (Digit Span or Response Time only), or both tasks (dual). Dependent variables were Digit Span accuracy, response time, and pupillary dilation t...

Abstract In coastal seas and straits, the interaction of barotropic tidal currents with the continental shelf, seamounts or sills is often observed to generate large-amplitude, horizontally propagating internal solitary waves. Typically these waves occur in regions of variable bottom topography, with the consequence that they are often modeled by nonlinear evolution equations of the Korteweg-de...

5 Some of the largest submarine canyons in the world incise the eastern Bering Sea shelf break, 6 including Bering, Pribilof, Zhemchug, Pervenets and Navarin canyons. In 2012, the North 7 Pacific Fishery Management Council (NPFMC) received testimony from environmental 8 organizations to protect coral, sponge and other benthic habitat of fish and crab species in two of 9 these canyons (Pribilof ...

Semi-natural forests and dry grasslands are highly fragmented influenced by human activity. Despite the small area, they serve as refuge for habitat-specific species enhance agrolandscape biodiversity. We studied spiders in Velykoburlutskyi Steppe Regional Landscape Park (northeastern Ukraine) 10 years found 224 of 26 families; these, 27 rare require protection. The araneofauna gullies is poore...

Forage-based cow-calf operations may have detrimental impacts on the chemical status of groundwater and streams and consequently on the ecological and environmental status of surrounding ecosystems. Assessing and controlling phosphorus (P) inputs are, thus, considered the key to reducing eutrophication and managing ecological integrity. In this paper, we monitored and evaluated P concentrations...

A jet flowing in the Kelvin wave propagation direction along the seaward side of a continental slope is found to decrease in strength as it leaks mass onto the continental shelf. As a result, a shelf break jet flowing in the opposite direction is induced on the shelf. The combination of these two flows creates a decaying, high-pressure tongue centered about the shelf break. An idealized, reduce...