Environmental perturbations during mass extinctions were likely manifested differently in epicontinental seas than in open-ocean-facing habitats of comparable depth. Here, we present a dissection of origination and extinction in epicontinental seas versus open-ocean-facing coastal regions in the Permian through Cretaceous periods, an interval through which both settings are well represented in ...

Intensive agriculture and densely populated areas represent major sources of nutrient pollution for European inland coastal waters, altering the aquatic ecosystems affecting their capacity to provide ecosystem services support economic activities. Ambitious water policies are in place Union (EU) protecting restoring under Water Framework Directive Marine Strategy Directive. This research quanti...

In this paper, we construct the q-Schur modules as left principle ideals of the cyclotomic q-Schur algebras, and prove that they are isomorphic to those cell modules defined in [3] and [10] at any level r. Then we prove that these q-Schur modules are free modules and construct their bases. This result gives us new versions of several results about the standard basis and the branching theorem. W...

Pollution has become a very serious threat to our environment. Monitoring pollution is the rst step toward planning to save the environment. The use of dierential equations, monitoring pollution has become possible. In this paper, a Ritz-collocation method is introduced to solve non-linear oscillatory systems such as modelling the pollution of a system of lakes. The method is based upon Bernoul...

Introduction Conclusions References

Abstract In recent years, the pollution of ecological waters, especially litter floating on ocean surface, has emerged as a pressing economic, political, and environmental concern international society. The development widely applicable, safe, reliable cost-saving marine surface collection device drawn considerable attention. this paper, an innovative shallow-sea (later referred to SFSLCD) is p...

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Materials and methods Population: 288 consecutive scoliosis patients over 10 years of age, curves range 10-20°, Risser 0-3 (190 Females, Age 12.8±1.5). We had 5 groups: · Brace (BG, 40 patients): bracing 18 hours per day · SEAS (101 patients): specific SEAS exercises (at least 3 controls per year) · Usual Physiotherapy (UP, 70 patients): different type of exercises · Not Compliant (NC, 46 patie...

The long-term sea level change during 1993 – 2008 is investigated in the Malaysian Seas from satellite altimetry data of the Topex, Jason-1, ERS-1, ERS-2 and Envisat missions. During the past two decades, satellite altimeter has provided its capability in measuring the global mean of sea level with precision better than 1 mm/year. Sea level data retrieval and reduction were carried out using Ra...

Abstract The recovery of crude oil and volatile organic compounds (VOCs) spilt in the environment is an intractable problem for environmental scientists. In this paper, a new lipophilic polyelectrolyte gel as absorbent various chemical demonstrated. It prepared by radical copolymerization acrylate monomer with ionic group, tetraalkylammonium tetraarylborate, octadecyl acrylate, crosslinker, dip...