Heliconia acuminata is pollinated by Phaethornis hummingbirds.

Heliconia acuminata is pollinated by Phaethornis hummingbirds.

Plants in fragmented habitats are hypothesized to be at increased risk of extinction,yet the effects of fragmentation on plant population dynamics are for the most part unexplored. Our lab is doing so, using a combination of demographic surveys, manipulative experiments,and models. Our model system is populations of the Amazonian understory herb Heliconia acuminata in 13 permanent plots at the Biological Dynamics of Forest Fragments Project.Collaborators on this project include Maria Uriarte  and Marina Correa Cortes (UNESP), Ana Andrade (BDFFP), W. John Kress (Smithsonian), Paulo Rubim (UFSCar), Paul Gagnon (Murray State University), and Maria Rosa Darrigo (UF).

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