Exploring the Ozarks Outdoors: freshare.net

Category: Environment

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Humanity Has Exceeded 4 of 9 ‘Planetary Boundaries’

An international team of researchers says climate change, the loss of biosphere integrity, land-system change, and altered biogeochemical cycles like phosphorus and nitrogen runoff have all passed beyond levels that put humanity in a “safe operating space.”

Civilization has crossed…[more]

University of Wisconsin-Madison


New Contaminants Found in Oil and Gas Wastewater

Duke University scientists have discovered high levels of two potentially hazardous contaminants, ammonium and iodide, in wastewater being discharged or spilled into streams and rivers from oil and gas operations in Pennsylvania and West Virginia.

Levels of contamination were just…[more]

Duke University


Algae Blooms Create Their Own Favorable Conditions, New Study Finds

Fertilizers are known to promote the growth of toxic cyanobacterial blooms in freshwater and oceans worldwide, but a new multi-institution study shows the aquatic microbes themselves can drive nitrogen and phosphorus cycling in a combined one-two punch in lakes.


Dartmouth College


Big River, Big Data

A project at the University of Missouri is taking existing Midwestern river resources research data and retasking it to predict future problems, helping conservationists prepare for changes caused by climate shifts.

“This will bring together existing information from various…[more]

By Randy Mertens

Breathing Diesel Exhaust Leads to Changes ‘Deep Under the Hood’

Just two hours of exposure to diesel exhaust fumes can lead to fundamental health-related changes in biology by switching some genes on, while switching others off, according to researchers at the University of British Columbia and Vancouver Coastal Health.


University of British Columbia


Organic Mulch Lets Insect Pollinators Do Their Job

As interest in organic agricultural and horticultural practices continues to grow, so does the need to identify alternative weed control practices. Mulching, a common practice used to control weeds and reduce the need for tillage, can also reduce insect pollinators’…[more]

American Society for Horticultural Science


National Water-Use at Lowest Levels Since Before 1970

Water use across the country reached its lowest recorded level in nearly 45 years. According to a new USGS report, about 355 billion gallons of water per day (Bgal/d) were withdrawn for use in the entire United States during 2010.


US Geological Survey


Pharmaceuticals and the Water-Fish-Osprey Food Web

Ospreys do not carry significant amounts of human pharmaceutical chemicals, despite widespread occurrence of these chemicals in water, a recent U.S. Geological Survey (USGS) and Baylor University study finds. These research findings, published by Integrated Environmental Assessment and Management is…[more]

Society of Environmental Toxicology and Chemistry


New Tracers Can Identify Frack Fluids in the Environment

Scientists have developed new geochemical tracers that can identify hydraulic fracturing flowback fluids that have been spilled or released into the environment.

The tracers have been field-tested at a spill site in West Virginia and downstream from an oil and…[more]

National Science Foundation


Persimmon Seeds Predict Ozarks’ Winter Weather

This coming winter in the Ozarks is going to be colder than average with a below average snowfall and a few warm spells. Well, at least according to persimmon seeds.

“It’s a cherished bit of Ozarks folklore that the shape…[more]

By University of Mo. Extension
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