Current Search: Wetland restoration -- Florida -- Kissimmee River Watershed (x)
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Title
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Analysis of Kissimmee River floodplain seed dispersal for vegetation community restoration.
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Creator
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Mezza, Garren., Charles E. Schmidt College of Science, Center for Environmental Studies
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Abstract/Description
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This research examined the influence of hydrochory (seed dispersal via water), anemochory (seed dispersal via wind), and zoochory (seed dispersal by animals) on the re-establishment of the important floodplain vegetation communities of the Kissimmee River floodplain. Fifty-eight seed species were identified from 19,849 and 43, 894 seeds trapped in hydrochory traps in sites north and south of Oak Creek, respectively. Seeds trapped by anemochory were measurable but were found to be far less...
Show moreThis research examined the influence of hydrochory (seed dispersal via water), anemochory (seed dispersal via wind), and zoochory (seed dispersal by animals) on the re-establishment of the important floodplain vegetation communities of the Kissimmee River floodplain. Fifty-eight seed species were identified from 19,849 and 43, 894 seeds trapped in hydrochory traps in sites north and south of Oak Creek, respectively. Seeds trapped by anemochory were measurable but were found to be far less important than hydrochory, while results showed no evidence of zoochory .... A number of interafting factors, e.g. hydrology, lack of remnants, seed phenology, etc. are limiting the dispersal of broadleaf marsh species north of Oak Creek, delaying range, expansion, and further community restoration.
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Date Issued
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2012
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PURL
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http://purl.flvc.org/FAU/3358754
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Subject Headings
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Seeds, Dispersal, Floodplain ecology, Wetland restoration
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Format
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Document (PDF)
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Title
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Spatio-temporal modeling of seed dispersal and aquatic plant community restoration in the Kissimmee River floodplain.
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Creator
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Kennard, Stevee., Charles E. Schmidt College of Science, Department of Geosciences
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Abstract/Description
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This study created an ecological spatial model, using a geographic information system, to visualize the influence of hydrochory on restoration of the three dominant wetland communities of broadleaf marsh, wetland shrub, and wet prairie across the floodplain of the Kissimmee River. Primary parameters incorporated into the model included floodplain hydrology, seed characteristics of buoyancy and dispersal rates, and species flood tolerance. S²rensen's similarity index, comparing spatial...
Show moreThis study created an ecological spatial model, using a geographic information system, to visualize the influence of hydrochory on restoration of the three dominant wetland communities of broadleaf marsh, wetland shrub, and wet prairie across the floodplain of the Kissimmee River. Primary parameters incorporated into the model included floodplain hydrology, seed characteristics of buoyancy and dispersal rates, and species flood tolerance. S²rensen's similarity index, comparing spatial agreement among model output and observed community data, resulted in values of BLM-BB = 0.10, BLM = 0.07, WS = 0.21, and WP = 0.36. The significant discrepancies between modeled and observed community spatial coverage indicated a need for incorporation of more stochastic variables of climatic disturbances, nutrient availability, and soil characteristics. More research on species flood tolerance across smaller spatial scales is also needed, and base data incorporated into the model should also be reliable and consistent if accuracy is to be achieved.
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Date Issued
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2013
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PURL
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http://purl.flvc.org/fcla/dt/3360797
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Subject Headings
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Seeds, Dispersal, Floodplain ecology, Wetland restoration, Restoration ecology
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Format
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Document (PDF)
