Chemistry

Tracing Personalized Health Curves during Infections

It is difficult to describe host–microbe interactions in a manner that deals well with both pathogens and mutualists. Perhaps a way can be found using an ecological definition of tolerance, where tolerance is defined as the dose response curve of health versus parasite load. To plot tolerance, individual infections are summarized by reporting the maximum parasite load and the minimum health for a population of infected individuals and the slope of the resulting curve defines the tolerance of the population.

The Resilience of the Taku River Ecosystem to Mining Impacts

The Taku River ecosystem supports a vital fishery to many individuals and user groups. It is a transboundary river, with its headwaters in British Columbia, Canada, and is therefore subject to the Pacific Salmon Treaty. There are a large number of potential mines, both along the Taku River or its tributaries
and their drainage areas. Chieftain Metals Corporation plans to revive the Tulsequah and Big Bull mines. This construction poses risk to the drainage, associated fisheries, and coastal communities of the river.

Effects on Bivalves and Associated Ecology in the Chukchi Sea Due to Changing Sea Ice Conditions

The Arctic Ocean sea ice extent has been rapidly declining since 1979. Positive feedback loops are expected to increase the rate of melting, posing a serious threat to the entire Arctic marine ecosystem. The Arctic Ocean ecosystem, including the Chukchi Sea, is currently benthic dominated, but is expected to become pelagic dominated due to changes in algal and zooplankton dominance.

The Effects of pH on the Abundance of Phytoplankton for Mariculture

Very little research has been done on the effects changing ocean pH has on the food source of shellfish. However, since one of the issues shellfish have with changing ocean pH is that they have less energy to take care of other vital needs like obtaining food, researching how changing ocean pH affects the phytoplankton could be significant.

Novel Hybrid Polymer Composite

A novel low cost hybrid polymer composite, using coir dust and fly ash particle reinforcements is proposed in this paper. Investigation of the dielectric behavior of this hybrid polymer composite proves its potential as a marketable product.

Offshore Drilling And Potential Impacts On Alaska

The topic of developing oil prospects in Alaska by offshore drilling concerns of damaging the Arctic environment and the marine life in many ways. The consequences of an oil spill are waters off Alaska are not only financial but oceanic. The offshore drilling affects wildlife directly.

Bouncing Back After an Eruption of Makushin Volcano

This paper investigates the possible outcomes of an eruption of Makushin Volcano, specifically depicted in this paper, the impact on the community of Unalaska. It has been determined that the ash from a volcanic eruption would be the most threatening aspect of an eruption of Makushin Volcano.

Bioremediation as a Tool for Resiliency in Oil Spills

With an increase in boating, offshore drilling, and transportation of oil, coastal communities are in need of a plan to clean up waterways in the event of an offshore oil spill. Manual removal of oil is a critical first step and when paired with bioremediation as a secondary method the highest possible success of oil breakdown at a spill site can be achieved.

The Population of Pollock Under Climate Change as Determined by Age, Distribution, and Prey Energy Content

Pollock, like many other species, respond to the threats of climate change within their home in the Bering Sea. Living in an ecosystem hugely affected by its seasonal ice sheet, pollock are dependent on the timing and extent of its annual movement.

Identifying Optimal Concentrations for Sonoluminescence

The purpose of this project was to identify the optimal concentrations of luminol and sodium carbonate for maximum light output by using image analysis in order to construct mathematical models in MATLAB.

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