Ecological integrity in freshwaters

The term “ecological integrity” became a linchpin of freshwater management and conservation in 1972, when it was mandated as an objective in the U.S. Clean Water Act (Section 101, “to restore and maintain the chemical, physical and biological integrity of the Nation’s waters.”) Since that time, large amounts of research has been devoted to methods of assessing the status and condition of...
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Amazon freshwater fish in a changing climate

In general when we think about climate change, most people think about cold water species, but warm water species could be also be affected. The Amazon River Basin is an enormous area expected to be affected by climate change; approximately 7 million km2 of dense river network with the largest number of freshwater fish species anywhere in the world. The Amazon is home to more than 2,000...
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The value of volunteering as an undergraduate

Life is busy as an undergrad – why is it worth making the time to volunteer in a research lab? Volunteering in a lab as an undergraduate is a rewarding jump from learning in a lecture hall to learning-by-doing and gaining firsthand experience in the scientific methods used in a research field of interest.  Whether I’m getting my hands dirty scooping plant samples into bags, collecting tissue...
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Diversity, stability, and non-native species

The key to riding out an unpredictable financial market is to diversify your portfolio. By spreading risk across stocks that respond uniquely to market conditions, you’ll likely buffer your portfolio from the fluctuations that any single stock experiences. One loses while another gains, but on average your investment return remains stable. It turns out that this strategy may be as beneficial for...
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Super-fishes in disguise: Mudminnow worldwide

If ever a group of fishes were in need of a PR makeover, it’s mudminnows. Everything about the name – from undesirable mud to inconsequential minnow says “nothing to see here”. But these unassuming species are veritable Clark Kents of the fish world: small size and mild appearance disguise super-fish able to withstand dangerously low oxygen levels and defend spawning territories...
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