Current Search: info:fedora/fau:CurrentETDs (x) » College of Business (x) » Lapointe, Brian E. (x)
View All Items
Pages
- Title
- The effects of on-site sewage treatment and disposal systems on the relief canals of Indian River County, the St. Sebastian River, and the central Indian River lagoon.
- Creator
- Tarnowski, Marie E., Lapointe, Brian E., Florida Atlantic University, Charles E. Schmidt College of Science, Center for Environmental Studies
- Abstract/Description
-
Effluent from on-site sewage treatment and disposal systems (OSTDS) is generally known to impact groundwaters and surface waters with nitrogen (N) and phosphorus (P) and other contaminants. Little research has quantified this problem along the Indian River Lagoon (IRL), especially in Indian River County (IRC) where there are 26,660 active systems. This study assessed the effects of OSTDS on contamination of surface and groundwaters along three urbanized canals and the St. Sebastian River in...
Show moreEffluent from on-site sewage treatment and disposal systems (OSTDS) is generally known to impact groundwaters and surface waters with nitrogen (N) and phosphorus (P) and other contaminants. Little research has quantified this problem along the Indian River Lagoon (IRL), especially in Indian River County (IRC) where there are 26,660 active systems. This study assessed the effects of OSTDS on contamination of surface and groundwaters along three urbanized canals and the St. Sebastian River in IRC, all of which flow into the Central IRL. Multiple lines of evidence were used to define the source of the nutrient loadings including the novel approach of using the artificial sweetener, sucralose, as an indicator of human sewage impact. Results indicate that areas with high densities of OSTDS are contributing N to surface waters and elevating N:P ratios through submarine groundwater discharge and promoting eutrophication in the Central IRL.
Show less - Date Issued
- 2014
- PURL
- http://purl.flvc.org/fau/fd/FA00004335, http://purl.flvc.org/fau/fd/FA00004335
- Subject Headings
- Groundwater -- Pollution, Indian River (Lagoon) -- Environmental aspects, Indian River County (Fla.) -- Environmental aspects, Nutrient pollution of water, Saint Sebastian River (Fla.) -- Environmental aspects, Sewage disposal, Sewerage, Water -- Pollution -- Point source identification, Water quality -- Management
- Format
- Document (PDF)
- Title
- Macroalgal overgrowth of fringing coral reefs at Discovery Bay, Jamaica: bottom-up versus top-down control.
- Creator
- Lapointe, Brian E., Littler, Mark M., Littler, Diane S.
- Date Issued
- 1997
- PURL
- http://purl.flvc.org/fau/fd/FA00007034
- Subject Headings
- Jamaica, Coral reefs and islands, Algal communities, Eutrophication, Algae--Control
- Format
- Document (PDF)
- Title
- The effects of nitrogen and seawater flow rate on the growth and biochemical composition of Gracilaria foliifera var. angustissima in mass outdoor cultures.
- Creator
- Lapointe, Brian E., Ryther, John H.
- Date Issued
- 1979
- PURL
- http://purl.flvc.org/fau/fd/FA00007004
- Subject Headings
- Gracilaria, Nitrogen, Seawater, Growth, Biochemistry, Algae culture
- Format
- Document (PDF)
- Title
- Modification of benthic community structure by natural eutrophication: the Belize barrier reef.
- Creator
- Lapointe, Brian E., Littler, Mark M., Littler, Diane S.
- Date Issued
- 1993
- PURL
- http://purl.flvc.org/fau/fd/FA00007030
- Subject Headings
- Coral reefs and islands--Belize, Eutrophication, Benthos
- Format
- Document (PDF)
- Title
- Modification of tropical reef community structure due to cultural eutrophication: the southwest coastof Martinique.
- Creator
- Littler, Mark M., Littler, Diane S., Lapointe, Brian E.
- Date Issued
- 1993
- PURL
- http://purl.flvc.org/fau/fd/FA00007094
- Subject Headings
- Martinique, Eutrophication, Reef ecology, Microalgae
- Format
- Document (PDF)
- Title
- The tobacco range fracture zone: a unique system of slumped mangrove peat.
- Creator
- Littler, Mark M., Littler, Diane S., MacIntyre, I. G., Brooks, Barrett L., Taylor, P. R., Lapointe, Brian E.
- Date Issued
- 1995
- PURL
- http://purl.flvc.org/fau/fd/FA00007098
- Subject Headings
- Belize, Mangrove, Peat, Thalassia testudinum
- Format
- Document (PDF)
- Title
- Cultivation of seaweeds as abiomass source for energy.
- Creator
- Ryther, John H., Lapointe, Brian E., Stenberg, Richard W., Williams, Lavergne D.
- Date Issued
- 1977
- PURL
- http://purl.flvc.org/fau/fd/FA00007128
- Subject Headings
- Seaweeds, Marine algae culture, Biomass, Biomass energy
- Format
- Document (PDF)
- Title
- Coral reef destruction.
- Creator
- Lapointe, Brian E.
- Date Issued
- 2000
- PURL
- http://purl.flvc.org/fau/fd/FA00007316
- Subject Headings
- Coral reef ecology, Coral declines, Nutrient pollution of water
- Format
- Document (PDF)
- Title
- Estuaries in distress.
- Creator
- Barile, Peter J., Lapointe, Brian E.
- Date Issued
- 1999
- PURL
- http://purl.flvc.org/fau/fd/FA00007317
- Subject Headings
- Estuaries, Hydrogen sulfide, Algae, Indian River (Fla. : Lagoon)
- Format
- Document (PDF)
- Title
- Reevaluation of ENCORE: support for the eutrophication threshold model for coral reefs.
- Creator
- Bell, P. R. F., Lapointe, Brian E., Elmetri, I.
- Date Issued
- 2007
- PURL
- http://purl.flvc.org/fau/fd/FA00007321
- Subject Headings
- One Tree Island (Qld.), Coral reefs and islands, Eutrophication
- Format
- Document (PDF)
- Title
- Nutrient over-enrichment ofSouth Florida’s coral reefs: how science and management failed to protect a national treasure.
- Creator
- Lapointe, Brian E.
- Date Issued
- 2001
- PURL
- http://purl.flvc.org/fau/fd/FA00007356
- Subject Headings
- Coral reef ecology--Florida--Florida Keys, Eutrophication
- Format
- Document (PDF)
- Title
- Biotic phase-shifts in Florida Bayand fore reef communities of the Florida Keys: linkages with historical freshwater flows and nitrogenloading from Everglades runoff.
- Creator
- Lapointe, Brian E., Matzie, William R., Barile, Peter J.
- Date Issued
- 2002
- PURL
- http://purl.flvc.org/fau/fd/FA00007397
- Subject Headings
- Florida Bay (Fla.), Florida Keys (Fla.), Reefs--Florida, Eutrophication, Coastal ecology, Everglades (Fla.)
- Format
- Document (PDF)
- Title
- Eutrophication thresholds formacroalgal overgrowth of coral reefs.
- Creator
- Lapointe, Brian E.
- Date Issued
- 1994
- PURL
- http://purl.flvc.org/fau/fd/FA00007382
- Subject Headings
- Negril (Jamaica), Eutrophication, Marine eutrophication, Coral reefs, Microalgae
- Format
- Document (PDF)
- Title
- Stormwater nutrient inputs favor growth of non‐native macroalgae(Rhodophyta) on O’ahu, Hawaiian Islands.
- Creator
- Lapointe, Brian E., Bedford, Bradley J.
- Date Issued
- 2011
- PURL
- http://purl.flvc.org/fau/fd/FA00007462
- Subject Headings
- Oahu (Hawaii), Red algae, Rhodophyta, Limu, Runoff, Nitrogen, Phosphorus
- Format
- Document (PDF)
- Title
- Cultivation of seaweeds forhydrocolloids, waste treatment and biomass for energy conversion.
- Creator
- Ryther, John H., DeBoer, James A., Lapointe, Brian E.
- Date Issued
- 1979
- PURL
- http://purl.flvc.org/fau/fd/FA00007429
- Subject Headings
- Biomass, Hydrocolloids, Sewage--Purification, Gracilaria, Marine algae culture
- Format
- Document (PDF)
- Title
- Productivity and Nutrition of Sargassum: A Comparative Ecophysiological Study of Benthic and Pelagic Species in Florida.
- Creator
- Feibel, Alison, Lapointe, Brian E., Florida Atlantic University, Charles E. Schmidt College of Science, Center for Environmental Studies
- Abstract/Description
-
Benthic algal species receive elevated nitrogen (N) and phosphorus (P) availability as anthropogenic activities increase the loading of nutrients into coastal waters. Pelagic species could also be responding to this nutrient enrichment. This study compared the tissue nutrient content and productivity of three benthic and two pelagic species of Sargassum. We hypothesized that the benthic species would have a higher tissue nutrient content and productivity than the pelagic species and the...
Show moreBenthic algal species receive elevated nitrogen (N) and phosphorus (P) availability as anthropogenic activities increase the loading of nutrients into coastal waters. Pelagic species could also be responding to this nutrient enrichment. This study compared the tissue nutrient content and productivity of three benthic and two pelagic species of Sargassum. We hypothesized that the benthic species would have a higher tissue nutrient content and productivity than the pelagic species and the pelagic species would have a higher tissue nutrient content and productivity than historic data. The tissue nutrient content and net productivity of the benthic and pelagic species were not significantly different indicating that the pelagic species are receiving high levels of nutrient availability comparable to that of the benthic species. Pelagic species in the current study exhibited significantly higher N:P ratios and net productivity than the historic data, suggesting a shift from N to P limitation and increased productivity.
Show less - Date Issued
- 2016
- PURL
- http://purl.flvc.org/fau/fd/FA00004695, http://purl.flvc.org/fau/fd/FA00004695
- Subject Headings
- Biotic communities, Environmental monitoring, Indicators (Biology), Marine algae -- Florida, Marine biology -- Florida, Sargassum
- Format
- Document (PDF)
- Title
- Satellite-Observed Black Water Events off Southwest Florida: Implications for Coral Reef Health in the Florida Keys National Marine Sanctuary.
- Creator
- Zhao, Jun, Hu, Chuanmin, Lapointe, Brian E., Melo, Nelson, Johns, Elizabeth, Smith, Ryan
- Abstract/Description
-
A “black water” event, as observed from satellites, occurred off southwest Florida in 2012. Satellite observations suggested that the event started in early January and ended in mid-April 2012. The black water patch formed off central west Florida and advected southward towards Florida Bay and the Florida Keys with the shelf circulation, which was confirmed by satellite-tracked surface drifter trajectories. Compared with a previous black water event in 2002, the 2012 event was weaker in terms...
Show moreA “black water” event, as observed from satellites, occurred off southwest Florida in 2012. Satellite observations suggested that the event started in early January and ended in mid-April 2012. The black water patch formed off central west Florida and advected southward towards Florida Bay and the Florida Keys with the shelf circulation, which was confirmed by satellite-tracked surface drifter trajectories. Compared with a previous black water event in 2002, the 2012 event was weaker in terms of spatial and temporal coverage. An in situ survey indicated that the 2012 black water patch contained toxic K. brevis and had relatively low CDOM (colored dissolved organic matter) and turbidity but high chlorophyll-a concentrations, while salinity was somewhat high compared with historical values. Further analysis revealed that the 2012 black water was formed by the K. brevis bloom initiated off central west Florida in late September 2011, while river runoff, Trichodesmium and possibly submarine groundwater discharge also played important roles in its formation. Black water patches can affect benthic coral reef communities by decreasing light availability at the bottom, and enhanced nutrient concentrations from black water patches support massive macroalgae growth that can overgrow coral reefs. It is thus important to continue the integrated observations where satellites provide synoptic and repeated observations of such adverse water quality events.
Show less - Date Issued
- 2013-01-18
- PURL
- http://purl.flvc.org/fau/fd/FAUIR000032
- Format
- Citation
- Title
- Effects of Land Use on Nitrogen and Phosphorus Inputs to the Indian River Lagoon.
- Creator
- Lynch, Katelyn, Lapointe, Brian E., Graduate College
- Abstract/Description
-
Urban and residential land uses in the Indian River Lagoon IRL watershed contribute sewage and fertilizers to stormwater runoff, resulting in increased nitrogen N and phosphorous P loadings that can fuel harmful algal blooms. The goal of this project is to quantify dissolved concentrations of ammonium, nitrate and soluble reactive P in storm water from agricultural, natural, and urban land uses adjacent to seven of the canals and tributaries within the IRL watershed. Preliminary results based...
Show moreUrban and residential land uses in the Indian River Lagoon IRL watershed contribute sewage and fertilizers to stormwater runoff, resulting in increased nitrogen N and phosphorous P loadings that can fuel harmful algal blooms. The goal of this project is to quantify dissolved concentrations of ammonium, nitrate and soluble reactive P in storm water from agricultural, natural, and urban land uses adjacent to seven of the canals and tributaries within the IRL watershed. Preliminary results based on water samples taken at the beginning, middle and end of storm events at 10 sample points suggest initial spikes of soluble reactive P, nitrate and ammonia in storm water runoff. These results represent the first attempt to characterize nutrient concentrations of stormwater among various tributaries and land uses on the IRL.
Show less - Date Issued
- 2014
- PURL
- http://purl.flvc.org/fau/fd/FA00005835
- Format
- Document (PDF)
- Title
- Relationships Between Eutrophication and Acidification in the Indian River Lagoon.
- Creator
- Kaiser, Bret R., Lapointe, Brian E., Florida Atlantic University, Charles E. Schmidt College of Science, Center for Environmental Studies
- Abstract/Description
-
In the eutrophic waters of the Indian River Lagoon (IRL), decreases in overall shellfish size have been reported, which may be related to coastal acidification. To understand the relationship between acidification and eutrophication, water samples from 20 sites spanning the IRL were collected and analyzed for dissolved nutrients and omega values in spring (dry season) and fall (wet season), 2016-2017. Additionally, three sites were sampled weekly to observe temporal variability of nutrients...
Show moreIn the eutrophic waters of the Indian River Lagoon (IRL), decreases in overall shellfish size have been reported, which may be related to coastal acidification. To understand the relationship between acidification and eutrophication, water samples from 20 sites spanning the IRL were collected and analyzed for dissolved nutrients and omega values in spring (dry season) and fall (wet season), 2016-2017. Additionally, three sites were sampled weekly to observe temporal variability of nutrients and omega values. For the IRL-Wide sampling, sites with higher dissolved nutrient concentrations showed lower omega values with significant negative relationships. Both sampling programs showed an overall positive linear relationship between salinity and omega values. This work suggests that salinity and dissolved nutrients have implications for acidification in the IRL and must be considered for future water quality, shellfish and coral reef restoration.
Show less - Date Issued
- 2018
- PURL
- http://purl.flvc.org/fau/fd/FA00013039
- Subject Headings
- Indian River (Fla. : Lagoon), Eutrophication, Acidification
- Format
- Document (PDF)
- Title
- Land-based nutrient enrichment of the Buccoo Reef Complex and fringing coral reefs of Tobago, West Indies.
- Creator
- Lapointe, Brian E., Langton, Richard, Bedford, Bradley J., Potts, Arthur C., Day, Owen, Hu, Chuanmin
- Date Issued
- 2010-03
- PURL
- http://purl.flvc.org/FCLA/DT/1429256
- Subject Headings
- Coral reef ecology --West Indies, Coral reef ecology --Research, Eutrophication, Marine pollution
- Format
- Document (PDF)