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- 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
- The Independent Atlantic sun.
- Creator
- Florida Atlantic University
- Date Issued
- c1989-c1991, 1989, 1991
- PURL
- http://purl.flvc.org/fau/fd/volc
- Subject Headings
- Students, Universities and colleges, College students, College student newspapers and periodicals
- Format
- Serial
- Title
- The Atlantic sun.
- Creator
- Florida Atlantic University
- Date Issued
- 1966, 1989, Vol. 1, no. 1, 69, no. 8, 1966-05-12, 1989-06-28
- PURL
- http://purl.flvc.org/fau/fd/vola
- Subject Headings
- College student newspapers and periodicals, College students, Students, Florida Atlantic University, Universities and colleges
- Format
- Serial
- Title
- Family, obligation, and educational outcomes: unraveling the paradox of high aspirations and low academic achievement among the children of Haitian immigrants.
- Creator
- Nicholas, Tekla., Florida Atlantic University, Dorothy F. Schmidt College of Arts and Letters, Department of Anthropology
- Abstract/Description
-
The desire for academic success is shared by Haitian parents and their American-born children. Yet, despite this will to succeed, second generation Haitian students have been shown to fare poorly in school when compared to other ethnic groups. This qualitative study revealed that students' poor results in high school were not due to adversarial attitudes toward education; rather, they reflected inadequate foundations in basic academic skills. In particular, limited vocabularies hamper the...
Show moreThe desire for academic success is shared by Haitian parents and their American-born children. Yet, despite this will to succeed, second generation Haitian students have been shown to fare poorly in school when compared to other ethnic groups. This qualitative study revealed that students' poor results in high school were not due to adversarial attitudes toward education; rather, they reflected inadequate foundations in basic academic skills. In particular, limited vocabularies hamper the academic achievement of many Haitian American students. Some students who expected that passing grades would lead to college are unable to pass the FCAT exam required to earn a high school diploma. Surprisingly, the highest levels of academic achievement were attained by the students with the poorest and least educated parents. They displayed extraordinary motivation attributed to a strong sense of familial obligation.
Show less - Date Issued
- 2008
- PURL
- http://purl.flvc.org/FAU/77648
- Subject Headings
- Minorities, Education, Haitian Americans, Education, Children of immigrants, Education, Motivation in education
- Format
- Document (PDF)
- Title
- Constraints of landscape level prey availability on physiological condition and productivity of great egrets and white ibises in the Florida Everglades.
- Creator
- Herring, Garth, Florida Atlantic University, Charles E. Schmidt College of Science, Department of Biological Sciences
- Abstract/Description
-
Life history strategy suggests long lived bird species will adjust their nesting effort according to current conditions, balancing the costs of reproduction with their long-term needs for survival and future reproduction. The habitat conditions that produce these responses may differ between species, even within the same ecosystem, producing different nesting and population trends. I traced the pathway by which food availability influences the physiological condition of pre-breeding great...
Show moreLife history strategy suggests long lived bird species will adjust their nesting effort according to current conditions, balancing the costs of reproduction with their long-term needs for survival and future reproduction. The habitat conditions that produce these responses may differ between species, even within the same ecosystem, producing different nesting and population trends. I traced the pathway by which food availability influences the physiological condition of pre-breeding great egrets and white ibises through to reproductive measures, and the physiological condition of chicks. I focused on these two species with contrasting foraging strategies, in relation to foraging and habitat conditions to maximize the likelihood of application of these results to other wading bird species. Experimental food supplementation and physiology research on white ibis chicks demonstrated that in years with low prey availability white ibis were food limited, with increased levels of stress protein 60 and fecal corticosterone. This is the first study to demonstrate experimentally the response of stress protein 60 to changing levels of food availability. During a year with low prey availability (2007) white ibis adults and chick physiological condition was lower than that of great egrets. During the same year, fledging success was lower for both species (20% for white ibis versus 27% for great egret) but the magnitude of the decrease was particularly severe for the white ibis (76% decline versus 66% decline for the great egret). Results suggest white ibises modify their clutch size during years with poor habitat in accordance with life history traits of a long-lived species, whereas great egrets maintained their clutch size during years with poor habitat., Increasing recession rates, hydrological reversals, and prey densities influenced white ibis, whereas great egrets were most influenced by prey densities and recession rates, with no effect of hydrological reversal. During the same year, fledging success was lower for both species (20% for white ibis versus 27% for great egret) but the magnitude of the decrease was particularly severe for the white ibis (76% decline versus 66% decline for the great egret). Results suggest white ibises modify their clutch size during years with poor habitat in accordance with life history traits of a long-lived species, whereas great egrets maintained their clutch size during years with poor habitat. Increasing recession rates, hydrological reversals, and prey densities influenced white ibis, whereas great egrets were most influenced by prey densities and recession rates, with no effect of hydrological reversals. This study is the first to make the link between landscape hydrology patterns, prey availability, and responses in wading bird nesting. These linkages provide critical insight into how species' nesting patterns could differ given the same time and spatial constraints and how that may be related to long-term nesting trends. This knowledge could ultimately lead to novel predictions about population and community patterns of wetland birds.
Show less - Date Issued
- 2008
- PURL
- http://purl.flvc.org/FAU/77643
- Subject Headings
- Bird populations, Water birds, Wetland ecology
- Format
- Document (PDF)
- Title
- The legacy of the Highwaymen.
- Creator
- Rudolph, Elissa., Florida Atlantic University, Dorothy F. Schmidt College of Arts and Letters
- Abstract/Description
-
In the 1950s, a group of African-American artists based around Ft. Pierce, Florida, began selling their landscapes of palm hammocks, colorful sunsets, and Evergladian fauna to tourists traveling south to the Sunshine State. Mass-produced in the artists' backyards, these subtropic landscapes found their way into Florida's motels, hotels, banks, and office buildings as well as private homes. The regional art form fell out of favor until the mid-1990s when an art aficionado coined the name ...
Show moreIn the 1950s, a group of African-American artists based around Ft. Pierce, Florida, began selling their landscapes of palm hammocks, colorful sunsets, and Evergladian fauna to tourists traveling south to the Sunshine State. Mass-produced in the artists' backyards, these subtropic landscapes found their way into Florida's motels, hotels, banks, and office buildings as well as private homes. The regional art form fell out of favor until the mid-1990s when an art aficionado coined the name "Highwaymen." Since then a resurgence of interest has brought new fame to the surviving members of the group. Along with this modern interest in the Highwaymen comes another facet of the subject : Several Highwaymen have sons and daughters who paint. Do the children paint like their parents? Are the children riding on the coattails of their parents or have they developed their own original style? Is the legacy of the Highwaymen continued in their progeny?
Show less - Date Issued
- 2005
- PURL
- http://purl.flvc.org/FAU/58011
- Subject Headings
- Landscape painting, American, African American painting
- Format
- Document (PDF)
- Title
- An analysis of Florida's school districts' attendance policies and their relationship to high school attendance rates.
- Creator
- Reardon, Ryan Turner., Florida Atlantic University, College of Education, Department of Educational Leadership and Research Methodology
- Abstract/Description
-
The purpose of this non-experimental correlational study was to determine the relationship between the type of attendance policies in the high schools of the 67 Florida school districts, the size of the school district (number of high school students), the socioeconomic status (SES) of the school district, and the average daily attendance rate of the district. Additionally, the study determined if the relationship between policy type and attendance rate was moderated by SES and size. To test...
Show moreThe purpose of this non-experimental correlational study was to determine the relationship between the type of attendance policies in the high schools of the 67 Florida school districts, the size of the school district (number of high school students), the socioeconomic status (SES) of the school district, and the average daily attendance rate of the district. Additionally, the study determined if the relationship between policy type and attendance rate was moderated by SES and size. To test the research questions, high school attendance polices were examined and coded into one of three pre-determined categories: punitive, reward, or affective. The SES level and district size were also examined. A percentage was calculated for each district with respect to the makeup of attendance policies (by type). Polices that were punitive in nature were found to be most commonly implemented (mean 81.14 percent)., No significant relationships existed among the independent variables policy type, SES level and district size when tested with the dependent variable average daily attendance rate. Furthermore, district size and SES showed no significant moderation effects on the relationship between policy type and average daily attendance rate. An additional analysis of a large urban school district showed that when examining school level average daily attendance rates, school size showed no significant relationship, while school SES level did. The conclusion of this study was that while a heavy emphasis was placed on the implementation of punitive policy, when measured at the district level, average daily attendance rates were not significantly related to the variables of policy type, SES level, or district size, nor was the relationship between policy type and average daily attendance rate moderated by SES or district size., Recommendations for future research, school leaders, and policymakers were to assess the effectiveness of using reward and affective policies in conjunction with punitive policies, to conduct an assessment of policy effectiveness using school level data as the unit of analysis, and while attendance policies are typically created at the district level, schools should be given the autonomy to create and implement attendance programs conducive to their individual needs.
Show less - Date Issued
- 2008
- PURL
- http://purl.flvc.org/FAU/58010
- Subject Headings
- School attendance, Juvenile delinquency, Dropout behavior, Prediction of, School management and organization
- Format
- Document (PDF)
- Title
- A comparison of pixel based and object based vegetation community classification in the Arthur R. Marshall Loxahatchee National Wildlife Refuge.
- Creator
- Barone, Dorianne M., Florida Atlantic University, Charles E. Schmidt College of Science, Department of Geosciences
- Abstract/Description
-
Pixel based and object based vegetation community classification methods were performed using 30 meter spatial resolution Landsat satellite imagery of the Arthur R. Marshall Loxahatchee National Wildlife Refuge (Refuge), a remnant of the northern Everglades. Supervised classification procedures using maximum likelihood and parallelepiped algorithms were used to produce thematic maps with the following vegetation communities : wet prairie, sawgrass, cattail, tree island, brush, aquatic/open...
Show morePixel based and object based vegetation community classification methods were performed using 30 meter spatial resolution Landsat satellite imagery of the Arthur R. Marshall Loxahatchee National Wildlife Refuge (Refuge), a remnant of the northern Everglades. Supervised classification procedures using maximum likelihood and parallelepiped algorithms were used to produce thematic maps with the following vegetation communities : wet prairie, sawgrass, cattail, tree island, brush, aquatic/open water. Spectral data, as well as NDVI, texture and principal component data were used to produce vegetation community classification maps. The accuracy levels of the thematic maps produced were calculated and compared to one another. The pixel based approach using the parallelepiped classification algorithm on the spectral and NDVI dataset had the highest accuracy level. A generalized form of this classification using only three vegetation communities (all wet prairie, tree island/brush and aquatic/open water) was compared to a previously published classification which used 1987 SPOT imagery in order to extract information on possible vegetation community transitions that are occurring within the Refuge. Results of the study indicate that 30 meter spatial resolution may be useful for understanding broad vegetation community trends but not species level trends. Pixel based procedures provide a more accurate classification than object based procedures for this landscape when using 30 meter imagery. Lastly, since 1987 there may be a trend of tree island/brush communities replacing wet prairie communities in the northern part of the Refuge and a transition to wet prairie communities in place of tree island/brush communities in the southern portion of the Refuge.
Show less - Date Issued
- 2008
- PURL
- http://purl.flvc.org/FAU/58002
- Subject Headings
- Ecosystem management, Vegetation dynamics, Vegetation classification, Spatial ecology, Mathematical models
- Format
- Document (PDF)
- Title
- The Filipina-South Florida international Internet marriage practice: agency, culture, and paradox.
- Creator
- Haley, Pamela Sullivan., Dorothy F. Schmidt College of Arts and Letters, Department of Sociology, Florida Atlantic University
- Abstract/Description
-
This dissertation concerns the structures and individual agency of Filipina brides who met their American husbands through Internet or pen pal advertisements. Popular media, legal scholars, and some feminists have largely described the phenomenon in terms of its oppressiveness toward the women involved, thus dismissing any agency on the part of the women. Similarly, much of the scholarship has located the American Internet grooms as ogres who are out to exploit these women for domestic and...
Show moreThis dissertation concerns the structures and individual agency of Filipina brides who met their American husbands through Internet or pen pal advertisements. Popular media, legal scholars, and some feminists have largely described the phenomenon in terms of its oppressiveness toward the women involved, thus dismissing any agency on the part of the women. Similarly, much of the scholarship has located the American Internet grooms as ogres who are out to exploit these women for domestic and sexual services. If prominent researchers of this phenomenon are correct in their assessments that Filipina Internet brides operate as effective agents, then one also assumes these women continue that agency when they settle into their new lives as Filipina wives married to American men. Therefore, my central research question is: How has this agency manifested itself, and has this manifestation been problematic for the American groom, who, from the typical Internet ad's text and images and couple d with prevailing American cultural assumptions, assumed he was getting a submissive wife? To explore possible answers to these questions I performed a rhetorical analysis of two typical Internet advertisements. The focus on the ads is important to my study because the Internet advertisements both shape and reflect the popular view of the so-called Filipina "mail-order bride." Next, in order to gain the Internet brides' and grooms' perspectives of the phenomenon, I interviewed three Filipina-Americano couples currently living in South Florida between November, 2005, and October, 2007. My findings support the scholars who forefront the brides' agency and, therefore, reject the stereotypes projected on the Internet advertisements. My findings also reject the stereotype of the exploitative husband. From my interview data, the women appeared agentive and the men encouraged their wives' agency., An unanticipated and paradoxical outcropping of the interview descriptions of their courtshand subsequent marriages. In this one area both the brides and grooms unanimously deemphasized their own agency, and instead highlighted romantic narratives with each insisting that they had "fallen in love."
Show less - Date Issued
- 2008
- PURL
- http://purl.flvc.org/FAU/186295
- Subject Headings
- Arranged marriage, Social aspects, Marriage brokerage, Intercountry marriage, Mail order brides
- Format
- Document (PDF)
- Title
- A cost-effectiveness analysis of two community college baccalaureate programs in Florida: an exploratory study.
- Creator
- Bemmel, Edwin P., Florida Atlantic University, College of Education, Department of Educational Leadership and Research Methodology
- Abstract/Description
-
The purpose of this case study was to determine which, if any, alternative in delivering baccalaureate programs in the state of Florida was the most cost-effective one. This exploratory study focused on gaining an understanding of the cost effectiveness of two baccalaureate programs offered at a Florida community college to two like programs at a Florida university using qualitative and quantitative methodologies. The researcher interviewed five community college and three State Department of...
Show moreThe purpose of this case study was to determine which, if any, alternative in delivering baccalaureate programs in the state of Florida was the most cost-effective one. This exploratory study focused on gaining an understanding of the cost effectiveness of two baccalaureate programs offered at a Florida community college to two like programs at a Florida university using qualitative and quantitative methodologies. The researcher interviewed five community college and three State Department of Education administrators during the Fall of 2007 and analyzed expenditure and effectiveness data from 2003-04 through 2006-07 to determine the cost effectiveness for the programs at each institution. The study revealed that the university and community college programs were equally effective as measured by student graduation and test scores. The community college baccalaureate programs were more cost effective, however, using a formula of per-student state funding combined with student cost. Th e lower per-student funding and student tuition charged resulted in the community college baccalaureate being a less expensive alternative of offering baccalaureate degrees to the state and the students. Using Henry Levin's ingredients model of measuring cost effectiveness, the quantitative analysis of the study revealed that that the university programs were more cost effective in the early years, but the differences diminished over time. Using Levin's model for comparison, the researcher concluded that increased growth in the enrollment of the programs combined with the implementation of effectiveness measures comparable to those of the university would render baccalaureate programs at the community colleges more cost effective., Conclusions based on the formula of state and student cost were based on factual data, while conclusions based on Levin's ingredients model were based on assumptions and estimates using a weighting factor along with an indirect cost rate for Proxim University. The study identified factors other than the cost effectiveness that could make the community college baccalaureate a more attractive alternative and concluded with recommendations for practice, policy, and future research. Differences in state and local laws, or economic, geographical, and environmental differences combined with the nature of this exploratory case study limit the generalizability of the results of this study.
Show less - Date Issued
- 2008
- PURL
- http://purl.flvc.org/FAU/107803
- Subject Headings
- Education, Higher, Forecasting, Community colleges, Higher education and state
- Format
- Document (PDF)