Organization for Tropical Studies Announces winners of the 8th Annual Student 
Paper Award

This year's winner is Luke Browne from Tulane University for his paper 
"Frequency-dependent selection for rare genotypes promotes genetic diversity of 
a tropical palm" published in Ecology Letters, a collaboration with his 
advisor, Jordan Karubian.  Luke's study employed a 5-year field-based 
experiment with seedlings of a tropical palm in northwest Ecuador to show that 
the rarity of an individual's genotype is a powerful determinant of survival 
probability, and hence an overlooked driver of non-random seedling recruitment 
in tropical forests. Luke is an alum of the Organization for Tropical Studies' 
Tropical Ecology course.

Two papers received Honorary Mention. One is Kaitlin Baudier from Drexel 
University for her paper "Microhabitat and body size effects on heat tolerance: 
implications for responses to climate change (army ants: Formicidae, 
Ecitoninae)" published in Journal of Animal Ecology.  This study is the first 
to demonstrate that soil microhabitat use is a strong selective force on 
species thermal tolerance. Her advisor is Sean O'Donnell, who has had a long 
association with OTS.  Kaitlin is also an alum of an OTS course, Neotropical 
Social Insects, and her research was funded in-part by an award from the OTS 
Tyson Research Fellowship program.

The other Honorary Mention goes to Natalia Ocampo-PeƱuela for her paper 
"Incorporating explicit geospatial data shows more species at risk of 
extinction than the current Red List" published in Science Advances.  In her 
paper, she showed that many more species of birds found in 6 biodiversity 
hotspots throughout the tropics should be listed as threatened based on their 
suitable range. She provided guidelines for the improvement of risk assessment 
that makes use of the best available geospatial data and tools. Natalia 
conducted this research while a doctoral student at Duke University, working 
with Stuart Pimm. She is also an alum of the OTS Tropical Ecology course and 
currently is Post-doctoral Researcher at ETH Zurich in Switzerland.

The Committee was Kimberly G. Smith, Chair, University of Arkansas; Erin 
Kuprewicz, University of Connecticut; Kyle Harms, Louisiana State University; 
and Alejandro Rico Guevara, the winner of last year's competition and now at 
University of California, Berkeley.  The Committee would like to thank all the 
students that submitted packets for consideration.  "This year we received a 
wonderful group of nominations" said Smith.  "Choosing the winner this year was 
a very difficult task given the high quality of the nominations we received."


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Kimberly G. Smith
Distinguished Professor of Biological Sciences
Department of Biological Sciences
University of Arkansas
Fayetteville, AR 72701
Phone:  479-575-6359  fax: 479-575-4010
Email:  [email protected]<mailto:[email protected]>
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