View All Items

Title: The multiple stress gradient hypothesis: expansion of the revised stress gradient hypothesis using a mangrove and salt marsh study system.
Creator: Coldren, Glenn A., Proffitt, C. Edward, Charles E. Schmidt College of Science, Department of Biological Sciences
Abstract/Description: Plant interactions (e.g., competition, facilitation) are critical drivers in community development and structure. The Stress Gradient Hypothesis (SGH) provides a predictive framework for how plant species interactions vary inversely across an environmental stress gradient, predicting that facilitation is stronger with increasing levels of stress. The SGH has been supported in numerous ecosystems and across a variety of stress gradients, but recent research has demonstrated contradictory...
Show morePlant interactions (e.g., competition, facilitation) are critical drivers in community development and structure. The Stress Gradient Hypothesis (SGH) provides a predictive framework for how plant species interactions vary inversely across an environmental stress gradient, predicting that facilitation is stronger with increasing levels of stress. The SGH has been supported in numerous ecosystems and across a variety of stress gradients, but recent research has demonstrated contradictory results. These discrepancies have led to SGH revisions that expand its conceptual framework by incorporating additional factors, such as other stressor types and variations in species life history strategies. In this dissertation, I examine a further modification of the SGH by proposing and testing a Multiple Stress Gradient Hypothesis (MSGH) that considers how plant interactions vary along a continuous gradient of two co-occurring stressors using mangrove and salt marsh communities as a case study. In Chapter 1, I outline the predictive framework of a MSGH, by creating a series of predictions of species interactions. The components of the MSGH predict that stressors of similar types (e.g., resource and nonresource) will have similar effects and be additive. On the other hand, varying species life history strategies and life stages will lead to extremes of plant interactions. In Chapter 2, I performed a series of experiments to test the various components of the MSGH. In Chapter 3, I performed a large-scale observational study to test whether multiple co-occurring stressors altered the cumulative effects on plant interactions, and if these stressors should be grouped (e.g., resource and non-resource, abiotic and biotic, etc.) to enhance predictability. From a series of studies conducted herein, I concluded that co-occurring stressors are important factors that control complex species interactions as shown in my MSGH modeling approach. Further, future theories need to incorporate species-specific and stressor specific grouping when modeling how species interactions shape communities.
Show less
Date Issued: 2013
PURL: http://purl.flvc.org/fau/fd/FA0004011
Subject Headings: Coastal ecology, Ecophysiology, Mangrove ecology, Plant ecology, Salt marsh ecology
Format: Document (PDF)

Title: Effects of simulated saltwater intrusions on the growth and survival of Wild Celery, Vallisneria americana, from the Caloosahatchee Estuary (South Florida).
Creator: Doering, Peter H., Chamberlain, Robert H., McMunigal, J. Michael, Harbor Branch Oceanographic Institute
Date Issued: 2001
PURL: http://purl.flvc.org/FCLA/DT/3173001
Subject Headings: American wildcelery --Ecology, Angiosperms, Marine plants, Plant ecology, Simulation
Format: Document (PDF)

Title: Effect of salinity on the growth of Vallisneria americana Michx. from the Caloosahatchee Estuary, Florida.
Creator: Doering, Peter H., Chamberlain, Robert H., Donohue, K. M., Steinman, Alan D., Harbor Branch Oceanographic Institute
Date Issued: 1999
PURL: http://purl.flvc.org/FCLA/DT/3183166
Subject Headings: American wildcelery--Ecology, Estuarine plants, Salinity
Format: Document (PDF)

Title: Phosphorus uptake rates of a Ceratophyllum/periphyton community in a southern Florida freshwater marsh.
Creator: Pietro, Kathleen C., Florida Atlantic University, Charles E. Schmidt College of Science, Department of Biological Sciences
Abstract/Description: Net uptake rates of soluble reactive phosphate (SRP) of Ceratophyllum demersum and the dense periphyton mat associated with the macrophyte were calculated by measuring the disappearance of stable phosphorus (30, 50, 100, or 200 μg P/L) from the water column over a one-hour period each month for one year. Two seasonal periods were established based on average photosynthetically active radiation (PAR) and length of daylight through the year. ANOVA showed that the uptake rates were significantly...
Show moreNet uptake rates of soluble reactive phosphate (SRP) of Ceratophyllum demersum and the dense periphyton mat associated with the macrophyte were calculated by measuring the disappearance of stable phosphorus (30, 50, 100, or 200 μg P/L) from the water column over a one-hour period each month for one year. Two seasonal periods were established based on average photosynthetically active radiation (PAR) and length of daylight through the year. ANOVA showed that the uptake rates were significantly affected (P < 0.05) by the amount of SRP added and were greater during the period of increased irradiance. Uptake rates continued to increase, even at spike concentrations equal to 10,000 μg P/L, indicating that maximum uptake was not achieved and that this plant complex is able to sequester even greater amounts of SRP. Estimates of the yearly uptake capabilities of the plant complex for a 525 ha wetland for the 30, 50, 100, 200 μg P/L spike treatments were 27, 55, 103, and 182 kg P/yr, respectively.
Show less
Date Issued: 1998
PURL: http://purl.flvc.org/fcla/dt/15601
Subject Headings: Biology, Ecology, Biogeochemistry, Biology, Plant Physiology
Format: Document (PDF)

Title: Influence of Soil Disturbance and Fire on the Distribution of Caesar’s Weed (Urena Lobata) in Pine Flatwoods.
Creator: Hagood, Daniel Harrison, Benscoter, Brian, Florida Atlantic University, Charles E. Schmidt College of Science, Department of Biological Sciences
Abstract/Description: Novel disturbances can increase the vulnerability of pine flatwoods to exotic species such as Caesar’s weed (Urena lobata), a plant that has invaded many ecosystems. To understand Caesar’s weed response to disturbance, a factorial field manipulation was used to quantify invasion success. Influence of feral swine (Sus scrofa) on the presence of seeds in the area was analyzed. The effect of heat on Caesar’s weed germination was also quantified. A winter fire and mechanical soil disturbance had...
Show moreNovel disturbances can increase the vulnerability of pine flatwoods to exotic species such as Caesar’s weed (Urena lobata), a plant that has invaded many ecosystems. To understand Caesar’s weed response to disturbance, a factorial field manipulation was used to quantify invasion success. Influence of feral swine (Sus scrofa) on the presence of seeds in the area was analyzed. The effect of heat on Caesar’s weed germination was also quantified. A winter fire and mechanical soil disturbance had no statistical effect on the spread of Caesar’s weed. However, in feral swine disturbed soils Caesar’s weed was more likely to be husked and experience less competition from seeds of other species. Low levels of seed heating increased germination. This data can provide information about the influences of fire and soil disturbances on the spread of Caesar’s weed, as well as how fire intensity levels can affect the spread of invasive Caesar’s weed.
Show less
Date Issued: 2017
PURL: http://purl.flvc.org/fau/fd/FA00004928
Subject Headings: Ecology -- Florida, Urena lobata, Invasive plants--Ecology
Format: Document (PDF)

Title: Blade abandonment/proliferation: a novel mechanism for rapid epiphyte control in marine macrophytes.
Creator: Littler, Mark M., Littler, Diane S., Harbor Branch Oceanographic Institute
Date Issued: 1999
PURL: http://purl.flvc.org/FCLA/DT/3172820
Subject Headings: Marine algae culture, Plant-water relationships, Plant ecology, Coral reef ecology, Seagrasses --Habitat
Format: Document (PDF)

Title: Microbial Aspects of Plant Invasion: An Analysis of Soil Microbial Communities Associated with the Invasive Plant - (Schinus terebinthifolius) Brazilian Pepper Tree Across South-Eastern Florida.
Creator: Dawkins, Karim, Esiobu, Nwadiuto, Florida Atlantic University, Charles E. Schmidt College of Science, Department of Biological Sciences
Abstract/Description: The Brazilian pepper tree (BP, Schinus terebinthifolius), introduced to the United States in the 1800s, has since become a category one invasive plant in Florida, aggressively spreading to 3000 km2 of prime habitat. There is a serious dearth of knowledge on whether the rhizobiome plays any roles in the displacement of native flora and the range expansion of BP. This thesis discusses the well-established plant invasion mechanisms of the BP and highlights key emerging mechanisms and gaps in (a)...
Show moreThe Brazilian pepper tree (BP, Schinus terebinthifolius), introduced to the United States in the 1800s, has since become a category one invasive plant in Florida, aggressively spreading to 3000 km2 of prime habitat. There is a serious dearth of knowledge on whether the rhizobiome plays any roles in the displacement of native flora and the range expansion of BP. This thesis discusses the well-established plant invasion mechanisms of the BP and highlights key emerging mechanisms and gaps in (a) the current understanding of the molecular, below-ground processes of BP invasion and (b) studies on the potential role of microbial interactions in the success of BP invasion already established for other select invasive species, and the intervention of soil metagenomic studies to elucidate plant invasive mechanisms. These poorly studied mechanisms could further explain the aggressive spread and resilience of BP and contribute significantly to the development of effective and sustainable control measures, enabling appropriate strategies for restoring native plants.
Show less
Date Issued: 2016
PURL: http://purl.flvc.org/fau/fd/FA00004697, http://purl.flvc.org/fau/fd/FA00004697
Subject Headings: Brazilian pepper tree, Ecological risk assessment, Forest ecology, Invasive plants -- Ecology, Nonindigenous pests -- Geographical distribution, Plant invasions
Format: Document (PDF)

Title: Identifiying cost savings through energy conservation measures in mechanically aerated activated sludge treatment processes in southeast Florida.
Creator: Stanley, Eric., College of Engineering and Computer Science, Department of Civil, Environmental and Geomatics Engineering
Abstract/Description: This thesis presents a model which estimates energy and cost savings that can be realized by implementing Energy Conservation Measures (ECMs) at mechanically aerated wastewater treatment plants (WWTPs) in southeast Florida. Historical plant monitoring data is used to estimate savings achieved by implementing innovative aeration technologies which include : 1) Fine Bubble DIffusers ; 2) Single-Stage Turbo Blowers ; 3) Automatic Dissolved Oxygen (DO) Control. Key assumptions for modeling...
Show moreThis thesis presents a model which estimates energy and cost savings that can be realized by implementing Energy Conservation Measures (ECMs) at mechanically aerated wastewater treatment plants (WWTPs) in southeast Florida. Historical plant monitoring data is used to estimate savings achieved by implementing innovative aeration technologies which include : 1) Fine Bubble DIffusers ; 2) Single-Stage Turbo Blowers ; 3) Automatic Dissolved Oxygen (DO) Control. Key assumptions for modeling performance of each technology are researched and discussed, such as trends in the future cost of electricity, efficiency of blowers, and practical average DO levels for each scenario. Capital cost estimates and operation maintenance (O&M) costs are estimated to complete life-cycle cost and payback analyses. The benefits are quantified on an individual and cumulative basis, to identify which technologies are cost-beneficial. The results demonstrate that levels of payback of 20 years or less are available at the three WWTPs studied.
Show less
Date Issued: 2012
PURL: http://purl.flvc.org/FAU/3352885
Subject Headings: Ecological engineering, Sewage, Purification, Sewage disposal plants, Energy conservation
Format: Document (PDF)

Title: Seagrass biodiversity in the Indian River Lagoon.
Creator: Dawes, Clinton J., Hanisak, M. Dennis, Kenworthy, W. Judson
Date Issued: 1995
PURL: http://purl.flvc.org/FCLA/DT/3172863
Subject Headings: Seagrasses, Seagrasses --Florida --Indian River (Lagoon), Seagrasses --Ecology, Seagrasses --Habitat, Aquatic plants, Estuarine plants
Format: Document (PDF)

Title: The role of seed dispersal in mediating competition between two temperate understory plant populations, Cornus florida and Lindera benzoin, in a Pennsylvania state park.
Creator: Vejdani, Vivianne, Florida Atlantic University, Wille, Luc T.
Abstract/Description: This study examines the demographic status of two co-occurring plant populations, Cornus florida and Lindera benzoin, with a stage matrix population projection model, and the potential for a competitive advantage in endozoochorous seed dispersal for L. benzoin in the quantity of seeds dispersed, the quality of seed dispersal, or a combination of the two. A plant pathology analysis indicates that the C. florida population has been impacted by the fungal pathogen Discula destructiva . The...
Show moreThis study examines the demographic status of two co-occurring plant populations, Cornus florida and Lindera benzoin, with a stage matrix population projection model, and the potential for a competitive advantage in endozoochorous seed dispersal for L. benzoin in the quantity of seeds dispersed, the quality of seed dispersal, or a combination of the two. A plant pathology analysis indicates that the C. florida population has been impacted by the fungal pathogen Discula destructiva . The population model predicts a decline in the C. florida population and an increase in the L. benzoin population. Seed removal experiments revealed that significantly more seeds of L. benzoin were removed by insects, presumably ants. This could represent an important advantage for L. benzoin in the quality of seed dispersal. However, L. benzoin is likely also benefiting by the increase in colonization opportunities that are provided as individuals of C. florida succumb to D. destructiva.
Show less
Date Issued: 2006
PURL: http://purl.flvc.org/fcla/dt/13398
Subject Headings: Plant populations--Pennsylvania, Insect-plant relationships--Pennsylvania, Insects--Ecology
Format: Document (PDF)

Title: Allelopathy at the land/sea interface: microalgae and Brazilian pepper.
Creator: Hargraves, Paul E.
Date Issued: 2008
PURL: http://purl.flvc.org/FCLA/DT/1925502
Subject Headings: Algae --Biotechnology, Coastal ecology --Florida, Allelopathy, Plant invasions --Florida, Mangrove ecology --Florida, Algae --Growth
Format: Document (PDF)

Title: The effect of sea level rise on Juncus Roemerianus in a high nutrient environment.
Creator: Abbott, Cara J., Berry, Leonard, Florida Atlantic University, Charles E. Schmidt College of Science, Center for Environmental Studies
Abstract/Description: As sea levels continue to rise, the projected damage that will ensue presents a great challenge for conservation and management of coastal ecosystems in Florida. Since Juncus roemerianus is a common marsh plant throughout Florida with unique growing characteristics that make it a popular restoration plant, this study implemented a 20 week greenhouse split plot experiment to examine the effects of sea level rise on J. roemerianus and ultimately determine its tolerance ranges to salinity and...
Show moreAs sea levels continue to rise, the projected damage that will ensue presents a great challenge for conservation and management of coastal ecosystems in Florida. Since Juncus roemerianus is a common marsh plant throughout Florida with unique growing characteristics that make it a popular restoration plant, this study implemented a 20 week greenhouse split plot experiment to examine the effects of sea level rise on J. roemerianus and ultimately determine its tolerance ranges to salinity and inundation in a high nutrient environment. Overall, salinity level and the interaction effect of salinity level and water level had the greatest effects on measured growth parameters including average mature height, maximum height, density, basal area, root length, and biomass. An inverse relationship between increasing salinity and the measured growth variables was observed with the greatest growth and survivability in 0 ppt water, survivability and reduced growth in 20 ppt water, survivability and little growth in 30 ppt water, and nearly complete senesce in 40 ppt water. This was the first laboratory study to determine the effect of 40 ppt water on J. roemerianus. Elevated water levels resulted in higher growth variables in the 20 ppt, 30 ppt, and 40 ppt treatments while inundated water levels produced higher growth variables in the 0 ppt treatment despite previous research finding inundation to have completely adverse effects on J. roemerianus. It is likely that the high nutrient environment provided for this study is the cause for this anomaly. The results of this study have major implications for the future of coastal ecosystems that are dominated by stands of J. roemerianus in South Florida and can be used in conjunction with studies on bordering marsh plants to predict shifts in the ecosystems of Florida that are responding to sea level rise scenarios.
Show less
Date Issued: 2015
PURL: http://purl.flvc.org/fau/fd/FA00004426
Subject Headings: Coastal ecology, Coastal zone management, Jucus roemerianus, Plant ecophysiology, Salt marsh ecology, Sea level
Format: Document (PDF)

Title: Elevated pCO2 effects on the macroalgal genus Halimeda: Potential roles of photophysiology and morphology.
Creator: Peach, Katherine, Koch, Marguerite, Florida Atlantic University, Charles E. Schmidt College of Science, Department of Biological Sciences
Abstract/Description: While ocean acidification (OA) is predicted to inhibit calcification in marine macroalgae, species whose photosynthesis is limited by current dissolved inorganic carbon (DIC) levels may benefit. Furthermore, variations in macroalgal morphology will likely give rise to a range of OA tolerance in calcifying macroalgae. One genus of calcifying macroalgae that has shown varying species’ tolerance to OA is Halimeda, a major carbonate sediment producer on tropical reefs. Species within this genus...
Show moreWhile ocean acidification (OA) is predicted to inhibit calcification in marine macroalgae, species whose photosynthesis is limited by current dissolved inorganic carbon (DIC) levels may benefit. Furthermore, variations in macroalgal morphology will likely give rise to a range of OA tolerance in calcifying macroalgae. One genus of calcifying macroalgae that has shown varying species’ tolerance to OA is Halimeda, a major carbonate sediment producer on tropical reefs. Species within this genus occupy a range of habitats within tropical environments (reefs and lagoons), illustrating their ability to adapt to diverse environmental conditions (e.g. carbonate chemistry, irradiance). To date it is not clear if morphological and photophysiological diversity in Halimeda will translate to different tolerances to OA conditions (elevated pCO2 and lower pH).
Show less
Date Issued: 2016
PURL: http://purl.flvc.org/fau/fd/FA00004621
Subject Headings: Coral reef ecology., Chemical oceanography., Halimeda., Environmental mapping., Plants--Effect of light on., Plant physiology., Photobiology., Carbon cycle (Biogeochemistry)
Format: Document (PDF)

Title: Determining vegetative complexity, biodiversity and species richness on tree islands of the northern Everglades.
Creator: Day, Irving M., IV., Florida Atlantic University, Gallagher, Jacqueline
Abstract/Description: Loss of species richness and vegetative biodiversity in the Greater Everglades Area is in large part due to human encroachment and compartmentalization causing altered hydroperiods, water levels and surface sheet flow. This study quantifies vegetative complexity, biodiversity and species richness on four tree islands within a near pristine area of the historical northern Everglades ecosystem. A Complexity Index (CI) was formulated by assessing multiple variables; high CI and low herbaceous...
Show moreLoss of species richness and vegetative biodiversity in the Greater Everglades Area is in large part due to human encroachment and compartmentalization causing altered hydroperiods, water levels and surface sheet flow. This study quantifies vegetative complexity, biodiversity and species richness on four tree islands within a near pristine area of the historical northern Everglades ecosystem. A Complexity Index (CI) was formulated by assessing multiple variables; high CI and low herbaceous species richness values are attributed to mature, late successional stage forests. There are structural and population differences on each of the tree islands studied with the more mature tree islands located in the south of the study area, the more disturbed, low CI valued sites to the north. Data from this study is to be used as a baseline study for the area, and will be used to test and track the effects of the Comprehensive Everglades Restoration Plan.
Show less
Date Issued: 2006
PURL: http://purl.flvc.org/fcla/dt/13332
Subject Headings: Swamp ecology--Florida--Everglades, Tree islands--Florida--Everglades, Ecosystem management--Florida--Everglades, Tree island ecology--Florida--Everglades, Plant ecology--Florida--Everglades
Format: Document (PDF)

Title: Deep-water plant communities from an uncharted seamount off San Salvador Island, Bahamas: distribution, abundance, and primary productivity.
Creator: Littler, Mark M., Littler, Diane S., Blair, Stephen M., Norris, James N., Harbor Branch Oceanographic Institute
Date Issued: 1986
PURL: http://purl.flvc.org/FCLA/DT/3353774
Subject Headings: Plant communities, San Salvador Island (Bahamas), Deep-sea ecology, Primary productivity (Biology)
Format: Document (PDF)

Title: Production and nutrient dynamics of a Syringodium filiforme Kütz. seagrass bed in Indian River Lagoon, Florida.
Creator: Short, F. T., Montgomery, John R., Zimmermann, Carl F., Short, C. A., Harbor Branch Oceanographic Institute
Date Issued: 1993
PURL: http://purl.flvc.org/FCLA/DT/3174032
Subject Headings: Seagrasses, Plant nutrients, Aquatic ecology, Sediment transport, Ammonium --Environmental aspects --Measurement
Format: Document (PDF)

Title: Invasion-mediated recovery following managed disturbance in the northern Everglades.
Creator: Lange, James J., Benscoter, Brian, Graduate College
Date Issued: 2013-04-12
PURL: http://purl.flvc.org/fcla/dt/3361942
Subject Headings: Melaleuca quinquenervia, Invasive plants, Wetland management, Wetland ecology, Arthur R. Marshall Loxahatchee National Wildlife Refuge (Fla.)
Format: Document (PDF)

Title: Continuous monitoring ofunderwater light in Indian River Lagoon: comparison of cosine and spherical sensors.
Creator: Hanisak, M. Dennis
Date Issued: 1997
PURL: http://purl.flvc.org/fau/fd/FA00007310
Subject Headings: Indian River (Fla. : Lagoon), Underwater light, Aquatic plants--Ecology, Photosynthesis, Light--Attenuation, Sensors
Format: Document (PDF)

Title: Biomonitoring of hypoxia and sulfide stress in three sub-tropical seagrasses.
Creator: Irwin, Connor., Charles E. Schmidt College of Science, Department of Biological Sciences
Abstract/Description: Hypoxia and sulfide exposure, increased using glucose, are considered major environmental stressors in seagrass communities. Quantum efficiency, total soluble protein and catalase activity were quantified to evaluate the applicability of each of these bioindicators to detect environmental stress in three tropical seagrass species, Thalassia testudinum (Banks ex Kèoenig), Halodule wrightii (Ascherson) and Syringodium filiforme (Kuetz). Hypoxia + sulfide treatments significantly decreased the...
Show moreHypoxia and sulfide exposure, increased using glucose, are considered major environmental stressors in seagrass communities. Quantum efficiency, total soluble protein and catalase activity were quantified to evaluate the applicability of each of these bioindicators to detect environmental stress in three tropical seagrass species, Thalassia testudinum (Banks ex Kèoenig), Halodule wrightii (Ascherson) and Syringodium filiforme (Kuetz). Hypoxia + sulfide treatments significantly decreased the quantum efficiency of all three species, but showed no response in protein and catalase activity. Although no treatment effect was found, catalase activity was enhanced in T. testudinum leaves and H. wrightii roots relative to other tissues, while S. filiforme showed no location-specific catalase activity. These results indicate that quantum efficiency is a more sensitive indicator than protein and catalase activity to hypoxia and sulfide stress in seagrasses.
Show less
Date Issued: 2010
PURL: http://purl.flvc.org/FAU/2976445
Subject Headings: Plant physiology, Environmental management, Seagrasses, Habitat, Environmental aspects, Sulfites, Physiological effect, Marine ecology
Format: Document (PDF)

Title: Plant and ant communities in the northern Everglades.
Creator: Carroll, Camille Darby., Charles E. Schmidt College of Science, Environmental Studies Program
Abstract/Description: I examined the impact of the exotic, invasive plant Old World climbing fern, Lygodium microphyllum (Cav.) R. Brown, on tree island plant and ant communities in the northern Everglades. I selected 15 tree islands representing four groups: non-Lygodium islands, islands with low levels of Lygodium, islands with high levels of Lygodium, and disturbed islands impacted by people. I used a variety of diversity indices to compare plant and ant data among habitats. The ant communities studied included...
Show moreI examined the impact of the exotic, invasive plant Old World climbing fern, Lygodium microphyllum (Cav.) R. Brown, on tree island plant and ant communities in the northern Everglades. I selected 15 tree islands representing four groups: non-Lygodium islands, islands with low levels of Lygodium, islands with high levels of Lygodium, and disturbed islands impacted by people. I used a variety of diversity indices to compare plant and ant data among habitats. The ant communities studied included native and exotic species typical of south Florida. Tree island plant communities were consistent with descriptions from previous studies. Plant species richness decreased with the level of L. microphyllum in the ground and midstory layers. Abundance of native plants decreased with level of L. microphyllum in the ground, midstory, and overstory layers. Lygodium microphyllum did not affect ant communities suggesting that although it negatively impacts plant communities it can provide habitat for ants.
Show less
Date Issued: 2009
PURL: http://purl.flvc.org/FAU/186675
Subject Headings: Insect-plant relationships, Ants, Ecology, Wildlife conservation, Environmental conditions
Format: Document (PDF)

FAU Theses and Dissertations (18)	+ -
HBOI Faculty Contributions (8)	+ -
FAU College Collections (3)	+ -
FAU Graduate Student Research (1)	+ -

Plant ecology (3)	+ -
Seagrasses (3)	+ -
Coastal ecology (2)	+ -
Environmental management (2)	+ -
Estuarine plants (2)	+ -

Ethnobotany--Ecuador (2)	+ -
Everglades (Fla ) (2)	+ -
Indigenous peoples--Ecology--Ecuador (2)	+ -
Marine ecology (2)	+ -
Rain forest plants (2)	+ -
Rain forests--Ecuador--Management (2)	+ -
Salt marsh ecology (2)	+ -
Seagrasses --Habitat (2)	+ -
Aerial photography in geography--Florida--Palm Beach County (1)	+ -
Algae --Biotechnology (1)	+ -
Algae --Growth (1)	+ -
Allelopathy (1)	+ -
American wildcelery --Ecology (1)	+ -
American wildcelery--Ecology (1)	+ -
Ammonium --Environmental aspects --Measurement (1)	+ -
Angiosperms (1)	+ -
Ants (1)	+ -
Aquatic ecology (1)	+ -
Aquatic plants (1)	+ -
Aquatic plants--Ecology (1)	+ -
Arthur R. Marshall Loxahatchee National Wildlife Refuge (Fla.) (1)	+ -
Biodiversity--Ecuador (1)	+ -
Biogeochemistry (1)	+ -
Biology, Ecology (1)	+ -
Biology, Plant Physiology (1)	+ -

Florida (3)	+ -
Everglades (1)	+ -
Everglades (Fla.) (1)	+ -

Electronic Thesis or Dissertation (18)	+ -
article (11)	+ -
abstract (1)	+ -

Search In

Pages

Pages

Sort Results By:

Narrow results by:

Collection

Topical Subject

Geographic Subject

Genre

Type of Resource

Language

Creator

Format

Owner