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News

Dr. Hank Bart Busts the Myth of the Swamp "Altie"  July 17, 2014

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Dr. Hank Bart, Professor and Director of the Tulane University Biodiversity Institute, was featured on the Discovery Channel's new series "Beasts of the Bayou." The show's second episode focuses on the myth of the Altamaha-ha, or "Altie," a 20-foot-long water monster with a long neck, sharp teeth and a spiny tail. As an ichthyologist and the overseer of the Royal D. Suttkus Fish Collection, the largest collection of fish specimens in the world, Dr. Bart takes the counterpoint to a group of adventurers that insist the beast exists. "When [alligator gar] come up to take gulps of air," explains Dr. Bart, "they actually surface and curl, and I can imagine that someone would think they were seeing a monster."

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Costa Rica Study Abroad Program for Environmental Studies Features EEB Faculty  May 7, 2014

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Tulane's newest study abroad program takes students to Costa Rica to learn about the environment. The interdisciplinary Environmental Studies program consists of several fields important to understanding the environment including ecology, climate change, conservation, geology, international law, international politics and Spanish language. The team of instructors includes EEB's own Sunshine Van Bael, who teaches Tropical Agroecosystems, and Tom Sherry, who teaches Tropical Conservation and Global Change. Immersing students in Costa Rica allows students to experience the beauty of a tropical environment and the various issues facing many countries.

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EEB Office Manager Davi Celebrated for 3 Decades of Work at Tulane  April 2, 2014

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The Science and Engineering Spring 2014 Newsletter features a tribute to EEB's own Jeanette "Davi" Battistella who is entering her 31st year at Tulane. Davi has been an integral part of the Ecology and Evolutionary Biology Department for more than two-thirds of that time. She is truly one of the greatest resources for the Faculty and Students of EEB. Thanks for everything Davi!

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Student Wins First Place at State of the Coast Conference  March 21, 2014

Henkel with Dunlin

PhD candidate Jessica Henkel won first place in the Graduate Oral Presentation category at the 2014 State of the Coast conference. This biennial conference is hosted by the Coalition to Restore Coastal Louisiana and brings together various interested parties including the scientific community, government agencies, business leaders and residents. Jessica wowed the audience with her talk titled "Potential impacts of sea-level rise on the migration ecology of shorebirds on the Northern Gulf of Mexico."

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Schenk Discovers New Plant in Grand Canyon  February 19, 2014

Schenk herbarium - new wave plant discovery Spr 14

Koch-Richardson Postdoctoral Fellow Dr. John Schenk led a team of researchers that discovered a new plant in Arizona's Grand Canyon. Dr. Schenk and his colleagues described the white to light yellow flowering perennial, which they named Mentzelia canyonensis, in the journal Brittonia.

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Blum Leads Study of Rat-borne Pathogens after Katrina  November 26, 2013

Hanta Virus - Blum rat fall 2013

Dr. Michael Blum is the project leader for a unique, interdisciplinary study of New Orleans' Katrina recovery. The team of scientists from Tulane and across the country will research the incidence of pathogens carried by rats in the wake of post-Katrina flooding. They are taking a multifaceted approach, looking at the ecology of urban rats, the geographical changes of their post-flood habitat and human perceptions of disease-risk.

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Karubian Paper Wins Tropical Biology & Conservation Award  October 9, 2013

Long-wattled Umbrella Bird - Karubian

An article published in the journal Biotropica by Dr. Jordan Karubian, Adjunct Professor Dr. Renata Durães and collaborators has been awarded the journal's prestigious Award for Excellence in Tropical Biology and Conservation. The article investigates the importance of behavior for seed dispersal by the Long-wattled Umbrella bird in the Chocó rainforests of Ecuador.

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Scientific Research Essential in Hurricane Prep and Recovery  June 1, 2013

Hurricane

June 1st is the start of the 2013 Atlantic Hurricane Season, which marks the beginning of a period of uncertainty for the Gulf South. In a recent Op-Ed column in the New Orleans Times-Picayune, Research Assistant Professor Dr. Robinson Negrón-Juárez makes the case that scientific research is essential to understanding hurricanes and could lead to better prediction, prevention, preparation and recovery.

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Understanding Forest Disturbance  March 6, 2013

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Forest disturbance in the Amazon is very complex and difficult to quantify. One must take into account disturbance type, size and frequency. Research Assistant Professor Dr. Robinson Negrón-Juárez and Research Associate Professor Dr. Jeffery Chambers recently published an article in the Proceedings of the National Academy of Sciences (PNAS) that employs a unique methodology to quantify forest disturbance: a combination of field work, satellite imagery and statistical modeling. Their detailed analysis determined that large-scale disturbances are rare and that smaller-scale events are more likely. Their work provides new frameworks for future studies of forest disturbance.

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Leaf-Cutting Ants' Plant Choice Influenced by Fungal Endophytes  March 4, 2013

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Leaf-cutting ants (Atta colombica) get their colloquial name because they literally cut plant material from living plants. In an extraordinary example of symbiosis, the ants use the collected plant material to feed fungal gardens, which the ants cultivate for their own food. In a new study in the journal New Phytologist, Dr. Sunshine Van Bael and her colleagues have discovered that the ants' plant choice is influenced by the fungal endophytes within the plant material. Specifically, ants were less likely to choose plants with higher densities of endophytes. Fascinating as they are, each year leaf-cutting ants cause roughly a billion dollars in damage to Central American agriculture. So understanding what influences plant choice could help researchers find ways to reduce damage to crops.

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Conservation through Engagement of Local Communities  October 3, 2012

karubian ecuador

Dr. Jordan Karubian was recently awarded the 2012 Lynton Award for the Scholarship of Engagement for Early Career Faculty. The award honors a pre-tenure faculty member who has worked to connect his or her teaching, research and service to community engagement. Dr. Karubian was selected this year because of his work to encourage Ecuadorian communities to participate in conservationism. He enlists locals to help with his own research on the endangered long-wattled umbrella bird, and provides resource materials for schools. According to Dr. Karubian, "there has been a significant shift in the way people perceive the consequences of their actions."

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BPA Affects Mate Choice of Stream Fishes  August 18, 2012

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A recent study co-authored by Dr. Michael Blum shows how BPA, which acts as a synthetic estrogen, affects species interactions between native and introduced stream fishes in the Southeast. The color of non-native male red shiner (Cyprinella lutrensis) weakens when exposed to BPA. Because female red shiners use coloration to determine mate choice, the change in the males’ color can cause females to be less choosy, which can increase instances of interbreeding with native blacktail shiner (Cyprinella venusta). The red shiner are already considered an invasive species because they hybridize with native blacktail shiner. This study indicates that exposure to pervasive estrogen-mimics, like BPA, could speed up the process.

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Clarity Important Factor in Song Selection  June 20, 2012

Swamp Sparrow

Dr. Elizabeth Derryberry continues her research in the field of behavioral ecology with a fascinating new study published in the journal Biology Letters. The article, which Dr. Derryberry co-authored with researches from Duke University, finds that baby swamp sparrows prefer to learn more clearly audible songs rather than songs that are muddled by other noises. This is very important in understanding how songbirds develop their adult song repertoire. And it also suggests that noises caused by human activity can affect the birds' song selection.

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Urban Sparrows Change Their Tune  April 3, 2012

Bird Song

The noisy hustle and bustle of the modern American city has affected the behavior of urban songbirds. In this article from the journal Animal Behaviour, Dr. Elizabeth Derryberry looks at the white-crowned sparrow, whose birdsong changed between 1969 and 2005 to keep up with the rise in urban ambient noise. Not only did the birds get louder, but they started singing new songs that could better compete with the sounds of the city. A comparison of the old and new songs suggests the birds' cultural evolution and communication has been impacted.

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The Ecology of the Lower 9th Ward March 26, 2012

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The New York Times Magazine taps Dr. Mike Blum for insight into the ecology of a post-Katrina Lower 9th Ward in this in-depth article regarding the recovery of the community. Nearly 7 years after the storm, this devastated neighborhood may be still struggling to rebuild, but the flora and fauna have been thriving. Dr. Blum discusses the strong and strange ecological revitalization that has occurred in the Lower 9th Ward, a subject he has been studying as one part of a broader cannon of research relating to recovery from catastrophic events.

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A Fish Called 'Caruso' March 14, 2012

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A new study from the Journal of Systematic Palaeontology named a new genus of lopliid anglerfishes from the Eocene period, Caruso, after EEB's own Dr. John Caruso.

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The Glow Means No! October 18, 2011

bioluminescent millipede

Bioluminescence is an evolutionary trait that is found in various creatures, including fish, microorganisms, mushrooms and insects. But not all organisms glow for the same reasons. Biologists, including graduate student Justin Yeager, have found why the only known bioluminescent millipede glows…

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A New Way to Look at Forest Dynamics October 12, 2011

Treefall gapsThe Manaus region of the Amazon is littered with treefall gaps. But until now, scientists were not able to accurately measure them. Tulane EEB researcher Dr. Robinson Negrón-Juárez along with Dr. Jeffrey Chambers and other colleagues, have published a paper that quantifies treefall gap size and finds that these small disturbances cumulatively account for a larger portion of the annual deforestation of this Amazonian region than previously thought. The significance of the paper's findings was noted by the Faculty of 1000 (www.f1000.com), a website administered by key figures in the fields of medicine and biology that selects the most important journal articles published each month.

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Nile Crocodile is Two Species September 14, 2011

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Faculty Hope to Inspire Future Scientists August 12, 2011

Faculty Hope to Inspire Future ScientistsAs the fall semester approaches, three professors in the Tulane Department of Ecology and Evolutionary Biology are synthesizing lessons learned from a prestigious summer institute that teaches faculty how to interest undergraduate students in science...

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'Green Lantern' Film Taps Tulane Expert July 28, 2011

'Green Lantern' Film Taps Tulane ExpertWhat does a dead space alien really look like? When the Green Lantern movie crew, filming in New Orleans, needed to know if their special-effects creations were believable, they turned to Tulane biologist and longtime science fiction fan Dr. Bruce Fleury for advice...

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A Frog Endangered, But Extinct No More June 17, 2011

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'Extinct' frog was under our noses all the time June 15, 2011

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Scientists Brew 'Green' Dispersants in Gulf Spill's Wake April 20, 2011

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Oil-Eating Bacteria Engineered April 5, 2011

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Media Turn to Faculty to Grasp Oil Disaster June 8, 2010

Media Turn to Faculty to Grasp Oil DisasterEver since the Deepwater Horizon oil rig explosion on April 20, Tulane faculty members have been called on by the national media to discuss the impact of the ensuing oil leak on wildlife, human health, the economy and the culture of the Gulf Coast...

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