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|a FCE II Year Six Annual Report for NSF Award DBI-0620409 |h [electronic resource]. |
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|a FCE Annual Reports and Proposals. |
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|a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights. |
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|a New and ongoing research activities and findings relevant to the goals of the FCE II proposal are
reported separately by working group, below.
1. Primary Production
Observational studies of long-term trends in primary production and plant community structure
continue in the major community types of the FCE domain: freshwater marsh, mangrove forests
and seagrass meadows.
Freshwater Marsh: Long-term trends in periphyton biomass and composition at the FCE
sites were combined with large-scale landscape data to produce models that predict changes
in periphyton biomass, composition and nutrient content from alternative water management
scenarios. Comparative international investigations continue in karstic wetlands elsewhere,
including the Caribbean wetlands and Canadian alvars, and a special issue on the topic is
being prepared for the Journal of Cave and Karst Science.
Mangrove Forests: The response of carbon storage and net primary production of mangrove
forests to hurricane disturbances was assessed through long-term observations and gas flux
studies. We also investigated how carbon storage in mangrove forests responds to
temperature and cold-air disturbances. We began collaborations with Tom O’Halloran
(Sweet Briar College) to understand how different plant functional groups’ productivity
responds to diffuse irradiance. Our carbon dynamics work involves high-resolution eddy
covariance datasets, so we participated in the LTER workshop, Software tools for sensor
networks (http://sensor-workshop.ecoinformatics.org/) held in May 2012. We continue to
deploy sulfur hexafluoride (SF6) inert tracers to understand water and carbon flow patterns in
the Shark River.
Seagrass Meadows: Experimental studies in seagrass meadows explored the response of
these systems to changes in pCO2, with a goal of predicting the response of seagrass
meadows to environmental change. The role of seagrasses as global carbon sinks was
established. |
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|a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|a Everglades National Park (Fla.). |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15062199/00001 |y Click here for full text |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/06/21/99/00001/FI15062199thm.jpg |
