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Public Affairs — Page 21

Going (all 400 miles) green

The topic of this year’s Ecological Society of America annual meeting is global warming. So it is fitting that Jason Aloisio, graduate student in biology at Fordham University, and Anthony Gizzi, graduate student in Pharmacology at Thomas Jefferson University are going green—all the way to the meeting, that is. Here is their story.

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Gut flora and the human rainforest

Scientists have known for decades that the human intestinal tract is home to an abundance of diverse bacteria. This microbial rainforest is introduced incrementally to infants as they grow—primarily from their mothers during birth and breastfeeding and from everyday encounters. Many of these microbes aid in digestion and fight off pathogens, but until recently, researchers were not certain if phages, viruses that infect bacteria, were also present in the human gut.

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Scientists closely examine causes of frog abnormalities

urrently, research on the possible causes of limb deformities in amphibians is expansive, with evidence supporting parasite infection, chemical contaminants, UVB radiation and amputation as possible factors. However, as Mari Reeves from the U.S. Fish and Wildlife Service and colleagues explained in an article in the August issue of Ecological Monographs, the most likely cause of amphibian abnormalities is a combination of several stressors.

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Spreading SEEDS, growing diversity

SEEDS is an education program of Ecological Society of America (ESA), and Iman is one of several SEEDS students who will be attending and presenting research at ESA’s upcoming Annual Meeting in Pittsburgh.

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From the Community: ecological research in July

Resistance to Bt crops, chaotic red queen, balancing research near Mount Saint Helens, biodiversity and species coexistence and camouflage in polymorphic Pygmy grasshoppers. Here is open-access research from the first week in July. Cropping up: From the article “Managing resistance to Bt crops in a genetically variable insect herbivore, Ostrinia nubilalis” by Megan E. O’Rourke, Cornell University, in Ecological Applications:…

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Field Talk: Uniformity and diversity in the Homogecene era

Imagine a small town where everything is uniform—a tiny community of individuals who eat the same meals and pair up with people with similar qualities and traits. The scenery is stripped down: one church, one pub and cookie-cutter houses. Now add in social interactions. Greetings occur but they have few variations; life is routine. And just a few miles over in a town with the same layout, similar individuals are interacting, eating and greeting, in all the same ways.

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The genealogy of watersheds

When I was a kid, July and August always included at least one fishing trip with my grandmother. She was not a great angler, but she was brave. I will never forget watching her tramp through tall weeds in search of grasshoppers. Upon finding one, she would quickly snatch it up with her bare hands and then smilingly pierce it with a small hook on the end of her ancient fishing pole. It did not take long for a hook thus baited to attract a bite.

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Incorporating science into home gardening

Blanketing a home garden in pesticides poses a clear risk to the humans and animals who dine on it. But when the garden is compared to a human immune system, another problem becomes apparent: Just like antibiotics, pesticides wipe out the “good bugs” with the bad. These helpful predators and parasitoids are called natural enemies and they help to naturally control pests like aphids and caterpillars. Certain plants attract natural enemies and/or deter pests all together and can be used in place of harmful chemicals.

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Gulf disaster: looking for answers in science

It seems the only certainty amidst the Gulf of Mexico environmental disaster is that nothing is certain. From the amount of oil continually pouring from the seafloor to British Petroleum’s use of chemical dispersants, this crisis has been anything but straightforward. As evasive, and at times downright misleading, as BP has been, the environmental impacts of this disaster are far from allusive. Just take a look at the photos on the Public Broadcasting Service’s News Hour site to get a sense of urgency surrounding this crisis.

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