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Articles 31 - 60 of 381
Full-Text Articles in Biology
Dormant Propagules In Demographic Studies: A Recurrent Bias And Potential Solutions, Federico Borghesi
Dormant Propagules In Demographic Studies: A Recurrent Bias And Potential Solutions, Federico Borghesi
Graduate Thesis and Dissertation 2023-2024
In the face of unprecedented anthropogenic change, we increasingly turn to emergent technologies and extensive data sets for solutions that complement much needed systemic changes in our societies. These technological solutions, however, must be approached with care. We must recognize and address biases in the way data has been accumulated. In demographic studies, dormant life stages, such as seed banks, and other cryptic factors have often been neglected. The potential consequences of these omissions have been extensively described in the literature. In the first chapter, I analyze patterns of seed bank omissions in demographic models, finding unjustified omissions are widespread …
Behavioral, Morphological And Genetic Differentiation Among Populations Of Enyaliopsis, Laura Macamo
Behavioral, Morphological And Genetic Differentiation Among Populations Of Enyaliopsis, Laura Macamo
Electronic Theses and Dissertations, 2020-2023
The study of biodiversity is a fundamental part of the study of the ecosystem's function and stability and how changes in the habitat shape the interaction between species. In recent years, the classification of species benefited from the analysis of several types of data to aid the distinction of morphologically similar species. Enyaliopsis iaculator (Naskrecki and Guta, 2019) is a species endemic to central Mozambique. Different populations of E. iaculator were reported to exhibit differences in the time of the day the mating call is displayed, but no morphological differences were reported. Since call behavior tends to be species specific …
Evolutionary History And Adaptation To Salinity In American Alligators, John Konvalina
Evolutionary History And Adaptation To Salinity In American Alligators, John Konvalina
Electronic Theses and Dissertations, 2020-2023
Stressful environments can commonly be found at the edge of a species range and may be a driver for adaption in suboptimal environments. Furthermore, the edge of a species' range can expand and contract over time, resulting in multiple independent invasions of the same stressful habitat. Elucidating population genetic structure and demographic history can aid in determining the which geologic factors impact range distributions and when climatic changes occurred driving genetic patterns observed in contemporary populations. Moreover, populations at the edge of the species range may adapt to the stressful environments that occur at the range edge and exhibit genetic …
Homogeneity Test On Error Rates From Ordinal Scores And Application To Forensic Science, Ngoc Ty Nguyen
Homogeneity Test On Error Rates From Ordinal Scores And Application To Forensic Science, Ngoc Ty Nguyen
Graduate Thesis and Dissertation 2023-2024
The Receiver Operating Characteristic (ROC) curve is used to measure the classification accuracy of tests that yield ordinal or continuous scores. Ordinal scores are common in medical imaging studies and, more recently, in black-box studies on forensic identification accuracy (Phillips et al., 2018). To assess the accuracy of radiologists in medical imaging studies or the accuracy of forensic examiners in biometric studies, one needs to estimate the ROC curves from the ordinal scores and account for the covariates related to the radiologists or forensic examiners. In this thesis, we propose a homogeneity test to compare the performance of raters. We …
Exploring Population Structure And Diversity Across Time In Population Of American Flamingos (Phoenicopterus Ruber), Jessica Folsom
Exploring Population Structure And Diversity Across Time In Population Of American Flamingos (Phoenicopterus Ruber), Jessica Folsom
Electronic Theses and Dissertations, 2020-2023
Dispersal and connectivity within a population often promotes overall diversity and adaptive potential, therefore a disruption of existing patterns of connectivity by local extinction can have significant consequences for the affected species. However, the extent of these impacts on recovery is not always known. American flamingos (Phoenicopterus ruber) present an ideal opportunity to investigate how changes in gene flow influence within population diversity and genetic structure over the span of a century for a recovering population. Flamingos were highly sought-after by hunters for their meat and feathers, and as a result, the Florida population was extirpated by the beginning of …
The Y-Chromosome's Role In Sexually Dimorphic Evolution And Mother's Curse Compensation, Tobias Nielsen
The Y-Chromosome's Role In Sexually Dimorphic Evolution And Mother's Curse Compensation, Tobias Nielsen
Electronic Theses and Dissertations, 2020-2023
The Y-chromosome and mitochondria (containing mtDNA) appear entirely dissimilar, the former being a sex chromosome found in the nucleus and the latter an organelle with thousands of copies in the cytoplasm. However, both experience uniparental inheritance, with Y-chromosomes being patrilineal and mitochondria matrilineal. This leads to various other similarities including haploidy, high mutation rates, and limited or lack of genetic recombination. Moreover, the low number of protein-coding genes contained on both led to the belief that neither contributes significantly to the adaptive evolution of complex traits. However, recent studies show the Y-chromosome and mitochondria both influence roughly 10% of male …
Microplastic Abundances In The Guana River Estuary In Northeast Florida, Mckenna Keplinger
Microplastic Abundances In The Guana River Estuary In Northeast Florida, Mckenna Keplinger
Honors Undergraduate Theses
Plastic never fully disappears, but instead breaks into smaller pieces referred to as microplastics (< 5 mm length). Microplastics are common worldwide, and more studies are needed to understand the accumulation and diversity of microplastics found in various environments. In this study, six locations were sampled for one year in the Guana River Estuary, a partially impounded system with heavily urbanized headwaters. This study was conducted in conjunction with the Guana Tolomato Matanzas National Estuarine Research Reserve (GTM NERR) and the Florida Fish and Wildlife Conservation Commission (FWC) at their water sampling stations. The objectives of this study were to investigate: 1) distribution patterns across sample sites over time, 2) the color, size, and shape of microplastics found, and 3) polymer composition. Water samples were collected from surface waters in 1-L bottles, with five replicates at each site. Sampling occurred once a month, at the beginning of each month from August 2020-August 2021. Samples were analyzed for abundance and characteristics of microplastics using a dissecting microscope and the polymer composition was determined using Fourier-transform infrared spectroscopy. No pattern was found in the distribution of microplastics from north to south or over time. Variations in plastic color, size, and polymer composition suggests that there are multiple sources of pollution into the Guana River Estuary.
Bioprospecting For Improved Floral Fragrance In Wild Sunflower, Jason Anandappa
Bioprospecting For Improved Floral Fragrance In Wild Sunflower, Jason Anandappa
Honors Undergraduate Theses
The cultivation of crop sunflower or Helianthus annuus is a 20 billion USD industry globally. Crop wild relatives of H. annuus have a long history of being used to breed improved traits into cultivated varieties. Cultivated H. annuus is not known to have a pleasant aroma, and at times seed yield is limited by pollination services, particularly in the production of hybrid seed. Improved floral fragrance could improve pollinator attraction and would add value to ornamental sunflowers in the context of the cut-flower industry. If volatile organic compounds that together generate favorable scents are present in wild Helianthus species, they …
Investigating The Phytochemical Profiles Of Wild And Cultivated Blueberries (Vaccinium Spp.) In Central Florida, Anisa Khalid
Investigating The Phytochemical Profiles Of Wild And Cultivated Blueberries (Vaccinium Spp.) In Central Florida, Anisa Khalid
Honors Undergraduate Theses
Blueberries (Vaccinium spp.) are valued for their high nutritional quality and flavor. There are five species in the Vaccinium genus native to the state of Florida, but only three are palatable to humans: V. myrsinites, V. darrowii, and V. corymbosum. While V. darrowii has been studied extensively due to its successful hybridization with northern highbush blueberry cultivars, V. myrsinites and wild V. corymbosum have been understudied. This study aims to 1) quantify the abundance of various phytochemicals in fruits of these wild blueberry species and compare fruit quality both among the wild taxa and two varieties of …
"Reeling In" Juvenile Sportfish Through Coastal Habitat Restoration: Population, Community, And Trophic Responses In The Indian River Lagoon, Florida, Jennifer Loch
Electronic Theses and Dissertations, 2020-2023
Coastal habitats provide crucial nursery habitat for predatory fishes, but they are in decline worldwide, impacting economically important fisheries. Habitat restoration can simultaneously mitigate the effects of habitat loss and benefit predators (e.g., sportfish), although this relationship is understudied. Here, the response of juvenile sportfish to oyster reef and living shoreline restoration is compared to controls in the Indian River Lagoon, Florida prior to and following restoration for up to three years through examination of community (diversity, assemblage), population (abundance), biometric (size, body condition), ontogenetic, and trophic (gut contents, stable isotopes) dynamics. Stable isotopes were used to quantify dietary history, …
Role Of Biological Clocks In Ant Behavioral Plasticity And Parasitic Manipulation Of Ant Behavior, Biplabendu Das
Role Of Biological Clocks In Ant Behavioral Plasticity And Parasitic Manipulation Of Ant Behavior, Biplabendu Das
Electronic Theses and Dissertations, 2020-2023
Living organisms exhibit daily rhythms as a way to anticipate predictable fluctuations in their environment. Such daily rhythmicity is the phenotypic outcome of oscillating genes and proteins, driven by an endogenous biological clock. Clock-controlled behavioral rhythms are inherently "flexible" since their phase, amplitude, and period can change throughout an animal's life hallmarked by changes in so-called chronotype. How this inherent plasticity of clock-controlled rhythms is linked to plasticity of behavior is still an open question in biology. Characterizing the various mechanistic links between plasticity of the animal clock and behavioral state will not only shed light on the molecular underpinnings …
Juvenile Dispersal And Genetic Connectivity In The Sea Turtle 'Lost Years', Katrina Phillips
Juvenile Dispersal And Genetic Connectivity In The Sea Turtle 'Lost Years', Katrina Phillips
Electronic Theses and Dissertations, 2020-2023
Juvenile dispersal is a life history strategy found across taxa and habitat types. In this dissertation, I examine juvenile dispersal in an evolutionary context and explore the conditions that support high dispersal, which necessitates subsequent ontogenetic habitat shifts. I use a sea turtle study system to evaluate the genetic and behavioral patterns associated with juvenile dispersal and ontogenetic shifts in marine environments. Specifically, I focus on four sea turtle species found in the northeastern Gulf of Mexico in the early life stage known as the 'lost years': green turtles (Chelonia mydas), Kemp's ridleys (Lepidochelys kempii), loggerheads (Caretta caretta), and hawksbills …
Multiomic Hypotheses Underlying Behavioral Manipulation Of Camponotus Floridanus Ants By Ophiocordyceps Camponoti-Floridani Fungi, Ian Will
Electronic Theses and Dissertations, 2020-2023
Parasitic manipulation of host behavior lies at the intersection of disease, animal behavior, and coevolutionary processes. In many of these interactions, the underpinning biology is brought into sharp focus as they are obligate relationships, under strong selection to bring about specific changes in host behavior that determine if the parasite will transmit or die. However, experimental and molecular techniques to understand these interactions are still developing and identification of the mechanisms of manipulation is a primary goal in the field. As such, we investigated host-parasite interactions between Camponotus floridanus (Florida carpenter ant) and Ophiocordyceps camponoti-floridani (Florida zombie ant fungus) from …
Fibropapillomatosis And Chelonid Herpesvirus 5 Dynamics In Juvenile Green Turtles Of The Indian River Lagoon, Florida, Usa, Jake Kelley
Electronic Theses and Dissertations, 2020-2023
Fibropapillomatosis (FP) is a tumor-forming sea turtle disease that mainly affects juvenile green turtles (Chelonia mydas) in coastal foraging sites. The cause of FP is unclear, but likely involves the putative pathogen chelonid herpesvirus 5 (ChHV5). The overall dynamics of this disease are poorly understood, in part due to the difficulty of inferring disease and infection statuses of turtles without evidence of FP. In this study, I investigated the FP disease system in juvenile green turtles of the Indian River Lagoon (IRL), Florida, USA, to better understand disease and pathogen dynamics. First, I developed a hierarchical model for predicting FP …
Synergistic Impacts Of Climate Change And Human Induced Stressors On The Apalachicola Bay Food Web, Kira Allen
Synergistic Impacts Of Climate Change And Human Induced Stressors On The Apalachicola Bay Food Web, Kira Allen
Electronic Theses and Dissertations, 2020-2023
Apalachicola Bay, an estuary located in northwest Florida, is likely to experience an increase in climate change and human-induced stressors, such as sea level rise and changes in freshwater inflow, in the future. A coupled hydrodynamic and food web modeling approach was used to simulate future scenarios of low and high river flow and sea level rise in Apalachicola Bay from 2020 to 2049 and demonstrate the range of temporal and spatial changes in water temperature, salinity, fisheries species populations and the broader food web. Concurrent with model development, a survey of Apalachicola Bay stakeholders was conducted to assess stakeholder …
Rebecca Fillyaw Ms Thesis Data For Publication In The Journal Sustainability, Rebecca Fillyaw, Melinda Donnelly, Linda Walters
Rebecca Fillyaw Ms Thesis Data For Publication In The Journal Sustainability, Rebecca Fillyaw, Melinda Donnelly, Linda Walters
CEELAB Research Data
By combatting erosion and increasing habitat, mangrove living shorelines are an effective alternative to hard-armoring in tropical and subtropical areas. An experimental red mangrove living shoreline was deployed within Mosquito Lagoon, Florida, using a factorial design to test the impact of mangrove age, breakwater presence, and mangrove placement on mangrove survival within the first year of deployment. Mixed mangrove age treatments were included to identify if seedling (11-month-old) survival could be enhanced by the presence of transitional (23-month-old) and adult (35 to 47-month-old) mangroves. Environmental factors were monitored to detect possible causes of mangrove mortalities. Approximately half (50.6%) of mangroves …
The Behaviors Of A Captive Father-Daughter Pair Of Ateles Geoffroyi Geoffroyi, Felicia Gordian
The Behaviors Of A Captive Father-Daughter Pair Of Ateles Geoffroyi Geoffroyi, Felicia Gordian
The Pegasus Review: UCF Undergraduate Research Journal
The Central Florida Zoo and Botanical Gardens intends to introduce new members to the black-handed spider monkeys (Ateles geoffroyi geoffroyi) enclosure. The behavioral analysis of captive animals within their human-made zoo environments is pertinent information for zookeepers before such an introduction can be made. To contribute to that goal, this study observed the behaviors of a father-daughter pair of black-handed spider monkeys. This study observed their vocalizations, habitat utilization, enrichment utilization, conspecific interactions, and interactions with humans to better understand how they interact with their environment as well as their group dynamics. This behavioral baseline can then be utilized to …
Vertebrate Impact On A Newly Deployed Shoreline Stabilization Project By Wildlife Camera Analysis, Julia Rifenberg, Jason Litwak, Rebecca Fillyaw
Vertebrate Impact On A Newly Deployed Shoreline Stabilization Project By Wildlife Camera Analysis, Julia Rifenberg, Jason Litwak, Rebecca Fillyaw
The Pegasus Review: UCF Undergraduate Research Journal
Living shoreline stabilization is a technique that utilizes plants and other natural elements to protect estuarine coasts. Research has provided minimal information about which vertebrate species utilize living shorelines post-deployment. For this project, ten wildlife cameras were placed along a living shoreline site in Canaveral National Seashore (CANA) to document which vertebrate species utilize the living shoreline and surrounding vegetation. This shoreline was stabilized with red mangroves (Rhizophora mangle) and eastern oyster (Crassostrea virginica) shell bags in June 2019. The cameras, activated by motion sensors, remained at the site for five days a month for seven …
Success Of Glover’S Reef Marine Reserve On Queen Conch (Strombus Gigas) Populations In Belize, Gianna Fanelli, Ciera Jarrett, Sara Joralemon
Success Of Glover’S Reef Marine Reserve On Queen Conch (Strombus Gigas) Populations In Belize, Gianna Fanelli, Ciera Jarrett, Sara Joralemon
The Pegasus Review: UCF Undergraduate Research Journal
The queen conch (Strombus gigas) provides important economic, ecological, and societal benefits to local communities throughout the Caribbean. The species, however, has fallen victim to commercial exploitation and overfishing in many areas. In Belize, even with restricted harvesting seasons, size restrictions, and regulations set by the Convention on International Trade in Endangered Species (CITES), harvesting practices have significantly depleted populations. Marine reserves, including the Glover’s Reef Marine Reserve, were established to protect biodiversity and maintain populations of Belize’s natural coral reefs. Utilizing size, frequency, and evidence of harvesting (shell notches), the 2018 Tropical Marine Biology (BSC 3355) course …
Effects Of Varying Heat Indexes On Habitat Utilization And Behavior On Captive Red-Ruffed Lemurs (Varecia Rubra), Jeffrey Gammon
Effects Of Varying Heat Indexes On Habitat Utilization And Behavior On Captive Red-Ruffed Lemurs (Varecia Rubra), Jeffrey Gammon
The Pegasus Review: UCF Undergraduate Research Journal
The two captive red-ruffed lemurs (Varecia rubra) at the Central Florida Zoo experienced a more temperate climate and utilized a differing habitat than they would in their native range, Madagascar. Proper management of the species in captivity is crucial for its long-term survival as they are critically endangered. Over a four month period, heat index temperature, lemur behavior, and habitat utilization data were collected via an instantaneous scan sample. Variables were analyzed to characterize how variations in heat index alter habitat utilization and behavior of the captive lemurs. As the heat index increased, habitat use became more restricted …
Behavioral Analysis Of The Cryptoprocta Ferox In An Ex-Situ Condition, Emilie Alfonso
Behavioral Analysis Of The Cryptoprocta Ferox In An Ex-Situ Condition, Emilie Alfonso
The Pegasus Review: UCF Undergraduate Research Journal
Fossas (Cryptoprocta ferox) are the top, endemic predators of Madagascar. Their populations are dwindling and are reported as “Vulnerable” by IUCN. In an effort to combat this, zoological facilities have placed the species on a captive breeding program. This study focuses on concerns one of those zoos had about their captive C. ferox. The purpose of this study was to collect activity budgets on the C. ferox to determine if there is a change in behavior due to construction occurring around the C. ferox’s habitat, analyze behavior changes during estrus, determine any behavior changes, as well …
Observational Study Of Two Ex Situ North American River Otters (Lontra Canadensis), Julia Rifenberg
Observational Study Of Two Ex Situ North American River Otters (Lontra Canadensis), Julia Rifenberg
The Pegasus Review: UCF Undergraduate Research Journal
Zoos enable the ability to study how captive conditions impact the behaviors of animals. In this study, I observed two North American river otters housed at the Central Florida Zoo to evaluate behavioral changes after the male had been removed from the female for a month-long medical examination. The aim of this study was to 1) determine if mating behaviors were still occurring between the two river otters following the male’s removal and 2) to assess the welfare of the male and female river otters in captivity by observing their interactions and individual behaviors. Observed behaviors were compared to documented …
Linking Magnetoreception To Cacna1d Homolog Protein Insertions In Vertebrates, Annabelle S. Levin
Linking Magnetoreception To Cacna1d Homolog Protein Insertions In Vertebrates, Annabelle S. Levin
Honors Undergraduate Theses
It is well-established that numerous animals can perceive the geomagnetic field. This ability, called magnetoreception, has been studied extensively but the mechanisms for how animals perceive the geomagnetic field remain unclear. Understanding magnetoreception is vital for characterizing the navigational abilities of animals and how biological systems interact with magnetic fields. Recent research examining pigeons, an animal is known to exhibit a magnetic sense, identified two interesting genes that may be involved in magnetoreception. One of these genes, calcium voltage-gated channel subunit alpha1 D (CACNA1D), contains a short amino acid insertion (designated by the amino acids -KKER) in animals known to …
Consequences Of Stress-Induced Trait Plasticity In Cultivated Helianthus, Gillian Gomer
Consequences Of Stress-Induced Trait Plasticity In Cultivated Helianthus, Gillian Gomer
Honors Undergraduate Theses
The Leaf Economics Spectrum (LES) describes the continuous range of leaf ecophysiological strategies that plants across the globe utilize to achieve a net-positive return on their resource investment. This spectrum is measured by traits such as leaf mass per area, leaf nitrogen, and leaf lifespan. Unsuitable leaf trait combinations are selected against in nature due to a net-loss on the return of initial resource investment, while some potentially extremely effective trait combinations may not be possible due to genetic constraints. Existing genetic variation in LES traits, however, suggests the spectrum may be less rigid than previously expected. To test this, …
The Implications Of Case-Based Learning (Cbl) On Biochemistry Education: An Integrative Literature Review, Ryan C. Ripert
The Implications Of Case-Based Learning (Cbl) On Biochemistry Education: An Integrative Literature Review, Ryan C. Ripert
Honors Undergraduate Theses
The COVID-19 has significantly impacted the world as we know it, especially in higher education institutions. In response to COVID-19, most colleges and universities were forced to close their doors to students and switch to online learning over Zoom. Although most students are adjusted well to this new mode of education, other students, such as individuals pursuing degrees in the sciences, have difficulty adapting to the online mode of instruction. Case-based learning (CBL) is considered one of the best strategies in teaching a course like Biochemistry in a large classroom setting. Implementing CBL in biochemistry education may increase student engagement …
Stable Isotope Analysis Of An Invasive Crab Species, Charybdis Hellerii, In The Indian River Lagoon, Justin R. Meyer
Stable Isotope Analysis Of An Invasive Crab Species, Charybdis Hellerii, In The Indian River Lagoon, Justin R. Meyer
Honors Undergraduate Theses
The world has never been more connected than it is today. While this is true for people, it is also true for Earth's flora and fauna. Unfortunately, this connectedness has contributed to unprecedented invasive species introductions around the world. Most introductions result in an introduced species dying out in the newly invaded territory and never becoming established. Other introduced species establish and persist for years, but never have a noticeable effect on local ecosystems. However, occasionally, an invasive species gets introduced to a new area and has negative impacts on native plant and animal life. The Indo-Pacific swimming crab, Charybdis …
Strategies For Successful Mangrove Living Shoreline Stabilizations In Shallow Water Subtropical Estuaries, Rebecca Fillyaw
Strategies For Successful Mangrove Living Shoreline Stabilizations In Shallow Water Subtropical Estuaries, Rebecca Fillyaw
Electronic Theses and Dissertations, 2020-2023
Mangrove living shorelines are an effective alternative to hard-armoring, which combat erosion while also increasing habitat. To improve the success of future mangrove deployments, an experimental Rhizophora mangle living shoreline was deployed within Mosquito Lagoon, FL. A factorial design was used to test the impact of mangrove age, breakwater presence, and mangrove placement on mangrove survival and growth. Environmental factors were monitored to isolate the reason for mangrove mortalities. Mangrove age was represented by 3 developmental stages: "seedlings" at 11-months-old, "transitionals" at 23-months-old, and "adults" between 35 and 47-months-old. Mixed mangrove age groups were included to identify if seedling survival …
Monitoring Landscape And Spectral Dynamics Of Subtropical Freshwater Wetlands That Have Undergone Hydrological Restoration, Sarah Parker
Monitoring Landscape And Spectral Dynamics Of Subtropical Freshwater Wetlands That Have Undergone Hydrological Restoration, Sarah Parker
Electronic Theses and Dissertations, 2020-2023
Over the last century, millions of hectares of wetlands have been lost due to urban development and agricultural activities throughout the world. In the U.S., efforts have been made by federal and state legislation to restore wetland habitat in exchange for development on wetlands. To restore ecosystem function by reestablishing hydrological metrics (e.g., groundwater level fluctuations), wetland restoration aims to facilitate the growth of wetland vegetation to approximate the original conditions as a proxy for ecological integrity. In 1992, the first landscape-scale off-site mitigation project, the Disney Wilderness Preserve (DWP) was funded by the Walt Disney Company in Poinciana, Florida. …
Correlations In Microplastic Abundance Between Water, The Eastern Oyster, Crassostrea Virginica, And Their Biodeposits In A Dynamic Florida Estuary, Casey Craig
Electronic Theses and Dissertations, 2020-2023
Estuaries have been identified as hotspots of microplastic pollution because they are transitional zones where coastal freshwater and oceans converge. Microplastics (MP) are transported through estuaries by a dynamic series of forces such as surface flow and tides, which influence MP abundances and trends. The eastern oyster, Crassostrea virginica, is an estuarine bivalve known to ingest MP, resulting in negative impacts on organism physiology. I investigated MP pollution as a threat to C. virginica in a dynamic Florida estuary, the Indian River Lagoon (IRL), and determined there are both regional and small-scale spatial and temporal fluctuations in MP abundance. Tributaries …
Bird Abundance And Diversity And The Impact Of Oyster Reef Restoration On The Bird Community In Mosquito Lagoon, Florida, Usa, Jessica Copertino
Bird Abundance And Diversity And The Impact Of Oyster Reef Restoration On The Bird Community In Mosquito Lagoon, Florida, Usa, Jessica Copertino
Electronic Theses and Dissertations, 2020-2023
Birds are often used as indicators for biodiversity and ecosystem health. While birds have been monitored in other parts of the Indian River Lagoon (IRL), there has been little research on birds in Mosquito Lagoon (ML, the northernmost portion of the IRL). This thesis first examines the abundance and diversity of birds in ML by using two years of photographic observations to assess seasonal variations and the use of various habitat features by specific bird taxa. Abundance and species richness were highest in winter, while evenness and Simpson's diversity were highest in summer. Moreover, natural and artificial habitat features were …