182 Years in the Making: Invertebrate Communities of Narragansett Bay

Benthic invertebrates support various ecosystem functions and services such as shellfish production and biogeochemical cycling. Historical data spanning 182 years permitted Hale and colleagues to determine the trends and current conditions of invertebrate communities in Narragansett Bay, Rhode Island. From the 104 studies, the authors detected over 1,000 different taxa that have been observed within the esturary and suggest human influence has greatly impacted the overall biodiversity of the invertebrate community.

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Something to chew on: the environmental impacts of our food choices

Hamburger or fish sandwich? Which lunch option has the lowest environmental impact? Consumers and policy makers aiming to make informed choices about what animal protein food sources to support have a new resource available this month, thanks to a review led by University of Washington researchers.

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What can 100 years of mud tell us?

Turns out 100 years of mud can tell us quite a bit about microbial communities. Capo and colleagues found out how microbial communities are impacted by environmental change. Using an emerging proxy, DNA recovered from lake sediments, they were able to show microbial eukaryotic diversity through time, which revealed interesting trends in response to eutrophication and climate warming.

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The fate of our waste: nitrogen removal in residential wastewater

Residential wastewater serves as a major source of nitrogen to coastal watersheds. Increased nitrogen loads can harm coastal ecosystems, so advanced onsite wastewater treatment systems have been designed in order to reduce these loads and protect coastal waters.

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Of feces and fertilizer: residential sources of urban water pollutants

Excess nutrients from pet waste and lawn fertilizer contribute to degraded water quality in cities. Due to the widely dispersed nature of these pollutants in residential areas, decisions made at the household level can go a long way towards solving—or exacerbating—water quality problems.

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