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Journal articles on the topic 'USVI'

Author: Grafiati

Published: 4 June 2021

Last updated: 27 July 2025

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1

Petersen, Louis E. "1057 THE PRODUCTION OF CULINARY HERBS IN THE U.S. VIRGIN ISLANDS: CONSTRAINTS AND SOLUTIONS." HortScience 29, no. 5 (1994): 580b—580. http://dx.doi.org/10.21273/hortsci.29.5.580b.

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In the U.S. Virgin Islands (USVI), herbs and spices are in great demand, mainly for culinary purposes. These crops include thyme, basil, oregano, parsley, chives, fennel, rosemary and marjoram. Based on estimated total marketable yield of 25 growers in 1993, 10,264 kg of fresh culinary herbs were produced in USVI. During the same period, 21,207 kg of various herbs were imported to the USVI. These data clearly show that local demand for herbs exceeds domestic production. Constraints which limit increased production in USVI include small farm size, limited water resources, absence of mechanizati

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Palada, Manuel C., and Stafford M. A. Crossm. "1058 IMPROVING CROP MANAGEMENT SYSTEMS FOR THE PRODUCTION OF CULINARY HERBS IN THE VIRGIN ISLANDS." HortScience 29, no. 5 (1994): 580c—580. http://dx.doi.org/10.21273/hortsci.29.5.580c.

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The Caribbean region is one major source of most herbs and spices consumed in the U.S. Although the U.S. Virgin Islands (USVI) is part of the Caribbean, local production of herbs and spices does not contribute significantly to exports into the U.S. market. Nevertheless, culinary herbs area” important horticultural crop in the USVI and their sale provides income for many small-scale growers. Little research has been done to improve field production in the USVI. Inefficient cultural practices used by growers result in low yields. Lack of information on fertilizer rates, irrigation and pest contr

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Seger, Krystal R., Aubrey Drummond, David Delgado, et al. "First Record of Mansonia dyari From Saint Croix, United States Virgin Islands." Journal of the American Mosquito Control Association 35, no. 3 (2019): 214–16. http://dx.doi.org/10.2987/19-6859.1.

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ABSTRACT The first report of Mansonia dyari on Saint Croix, United States Virgin Islands (USVI), is confirmed. Adult and larval specimens were collected in 2018 and 2019 through adult surveillance and larval collections. Specimens were identified by microscopic methods, and a representative specimen was confirmed by DNA sequencing (mitochondrial cytochrome c oxidase subunit I). Morphological features are reviewed and compared with Mansonia flaveola, a species previously reported in the USVI. Notes are provided on the locations, collection methods, and mosquito associates found with Ma. dyari i

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Mori, Nobuhito, Takenori Shimozono, Taro Arikawa, et al. "NUMERICAL MODELING OF SHORT AND LONG TERM WAVES AND SURGES BY HURRICANE IRMA AND MARIA IN US VIRGIN ISLANDS." Coastal Engineering Proceedings, no. 36 (December 30, 2018): 59. http://dx.doi.org/10.9753/icce.v36.waves.59.

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Two powerful hurricanes successively passed close to US Virgin Islands in September 2017. Hurricane Irma developed into CAT5 with the lowest pressure around 914 hPa on 5th of September and passed north of USVI. Sequentially, CAT5 Hurricane Maria followed the similar track, but passed south of USVI. Two CAT5 hurricanes gave devastated damage along the Caribbean Islands. It is a rare event having two CAT5 with similar tracks within two weeks. This study presents hindcasts of waves and storm surge for the two hurricanes and discusses coastal damages with our survey data targeting on USVI.

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Meyer, Patricia G. "Private Practice on the USVI." ASHA Leader 14, no. 1 (2009): 4. http://dx.doi.org/10.1044/leader.in1.14012009.4.

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Watlington, R. A., E. Lewis, and D. Drost. "Coordinated management of coastal hazard awareness and preparedness in the USVI." Advances in Geosciences 38 (April 30, 2014): 31–42. http://dx.doi.org/10.5194/adgeo-38-31-2014.

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Abstract. As far back as history has been written in the islands today known as the US Virgin Islands (USVI), residents have had to endure and survive costly and deadly onslaughts from tropical storms such as the 1867 San Narciso Hurricane, Hurricane Hugo and Hurricane Marilyn. Keenly alerted by recent tragic events in the Indian Ocean in 2004, in Haiti in 2010 and in Japan in 2011, the USVI was reminded that it had suffered its greatest tsunami impact in a well-documented event that had followed the 1867 hurricane by fewer than three weeks. To address their community's continual vulnerability

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Davidson, Alice. "Sugar Bird Nest, St. John, USVI." Spine 34, no. 8 (2009): i. http://dx.doi.org/10.1097/01.brs.0000350197.83446.09.

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Artus, Aileen, Ilana J. Schafer, Caitlin M. Cossaboom, et al. "Seroprevalence, distribution, and risk factors for human leptospirosis in the United States Virgin Islands." PLOS Neglected Tropical Diseases 16, no. 11 (2022): e0010880. http://dx.doi.org/10.1371/journal.pntd.0010880.

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Background The first documented human leptospirosis cases in the U.S. Virgin Islands (USVI) occurred following 2017 Hurricanes Irma and Maria. We conducted a representative serosurvey in USVI to estimate the seroprevalence and distribution of human leptospirosis and evaluate local risk factors associated with seropositivity. Methodology/Principal findings A stratified, two-stage cluster sampling design was used and consisted of three island strata and random selection of census blocks and then households. All eligible members of selected households were invited to participate (≥5 years old, re

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Browne, A. Springer, Hannah M. Cranford, Clint N. Morgan, et al. "Determination of freedom-from-rabies for small Indian mongoose populations in the United States Virgin Islands, 2019–2020." PLOS Neglected Tropical Diseases 15, no. 7 (2021): e0009536. http://dx.doi.org/10.1371/journal.pntd.0009536.

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Mongooses, a nonnative species, are a known reservoir of rabies virus in the Caribbean region. A cross-sectional study of mongooses at 41 field sites on the US Virgin Islands of St. Croix, St. John, and St. Thomas captured 312 mongooses (32% capture rate). We determined the absence of rabies virus by antigen testing and rabies virus exposure by antibody testing in mongoose populations on all three islands. USVI is the first Caribbean state to determine freedom-from-rabies for its mongoose populations with a scientifically-led robust cross-sectional study. Ongoing surveillance activities will d

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Schnall, Amy Helene, Joseph (Jay) Roth, Brett Ellis, Krystal Seger, Michelle Davis, and Esther M. Ellis. "Addressing Community Needs During the Hurricane Response and Recovery Efforts Through Community Assessments for Public Health Emergency Response (CASPER)—United States Virgin Islands, 2017-2018." Disaster Medicine and Public Health Preparedness 13, no. 1 (2019): 53–62. http://dx.doi.org/10.1017/dmp.2019.6.

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ABSTRACTObjectivesTwo category 5 storms hit the US Virgin Islands (USVI) within 13 days of each other in September 2017. This caused an almost complete loss of power and devastated critical infrastructure such as the hospitals and airportsMethodsThe USVI Department of Health conducted 2 response Community Assessments for Public Health Emergency Response (CASPERs) in November 2017 and a recovery CASPER in February 2018. CASPER is a 2-stage cluster sampling method designed to provide household-based information about a community’s needs in a timely, inexpensive, and representative manner.Results

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Ross, Desiree Terese, Haley L. Cash, John Orr, and Mark Fenton. "Program Infrastructure the Key to Success: A Pilot Crosswalk Installation to Promote Walkability, Pedestrian Safety, and Physical Activity in the U.S. Virgin Islands." Health Promotion Practice 24, no. 1_suppl (2023): 10S—22S. http://dx.doi.org/10.1177/15248399231159419.

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Background & Aims While physical inactivity can contribute to chronic diseases, regular activity like walking can help prevent them. In 2010, one in three adults in the U.S. Virgin Islands (USVI) was physically inactive, higher than most U.S. states and territories. There are few walkable destinations and sidewalks along streets in the USVI. Since community- and street-scale design features can influence walking, we convened a 3-day walkability institute in the USVI to (1) learn about physical activity and best practices for design and (2) develop public health infrastructure that supports

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Seger, Krystal R., Corey A. Day, Lee Gaeddert, et al. "A Cross-Sectional Household Survey in the US Virgin Islands (2019) Reveals Cisterns as Challenging Peridomestic Aedes aegypti Habitats." Journal of the American Mosquito Control Association 38, no. 2 (2022): 113–17. http://dx.doi.org/10.2987/21-7022.

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ABSTRACT Most residences in the United States Virgin Islands (USVI) rely on household rainwater-catchment systems and subterranean cisterns for long-term water storage that may provide suitable habitats for mosquitoes of public health relevance. We conducted a household cistern survey (n = 164) on the islands of St. Croix, St. John, and St. Thomas in 2019. The survey revealed that 45.7% (95% CI: 38.3–53.4%) of cisterns contained mosquitoes (adult and/or immature mosquitoes). Aedes aegypti, a vector of chikungunya, dengue, and Zika viruses in the USVI, was found in 27.4% (95% CI: 21.2–34.7%) of

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Cranford, Hannah M., Marissa Taylor, Andrew Springer Browne, et al. "Exposure and Carriage of Pathogenic Leptospira in Livestock in St. Croix, U.S. Virgin Islands." Tropical Medicine and Infectious Disease 6, no. 2 (2021): 85. http://dx.doi.org/10.3390/tropicalmed6020085.

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From 2019–2020, the Virgin Islands Department of Health (VIDOH) investigated potential animal reservoirs of Leptospira spp., the pathogenic bacteria that cause leptospirosis. We examined Leptospira exposure and carriage in livestock on the island of St. Croix, United States Virgin Islands (USVI). We utilized the microscopic agglutination test (MAT) to evaluate the sera, and the fluorescent antibody test (FAT), real time polymerase chain reaction (rt-PCR), and bacterial culture to evaluate urine specimens from livestock (n = 126): 28 cattle, 19 goats, 46 pigs, and 33 sheep. Seropositivity was 3

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Godfred-Cato, Shana, S. Nicole Fehrenbach, Megan R. Reynolds, et al. "2018 Zika Health Brigade: Delivering Critical Health Screening in the U.S. Virgin Islands." Tropical Medicine and Infectious Disease 5, no. 4 (2020): 168. http://dx.doi.org/10.3390/tropicalmed5040168.

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In 2017, Hurricanes Irma and Maria caused significant damage to the United States Virgin Islands (USVI), heightening the challenges many residents faced in accessing adequate healthcare and receiving recommended Zika virus screening services. To address this challenge, the USVI Department of Health (DOH) requested technical assistance from the Centers for Disease Control and Prevention (CDC), the Health Resources and Services Administration (HRSA), and the American Academy of Pediatrics (AAP) to organize a health brigade to bring needed medical care to an underserved population. It also establ

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Thomas, Toni A., and Manuel C. Palada. "869 PB 548 THE MARKETING OF MEDICINAL PLANTS IN THE VIRGIN ISLANDS: PAST, PRESENT, AND FUTURE PROSPECTS." HortScience 29, no. 5 (1994): 558c—558. http://dx.doi.org/10.21273/hortsci.29.5.558c.

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In the U.S. Virgin Islands (USVI) more than 400 plants are recorded as having been used for medicinal purposes. Traditional use of medicinal plants (locally known as “bush”) is based on Amerindian, African and European influences. Despite the predominance of “western medicine”, many Virgin Islanders still use medicinal plants for self-treatments, beverages and culinary purposes. Traditionally, medicinal plants were either collected growing wild or cultivated and often sold in marketplaces for local consumption. This method of marketing still exists, but new marketing outlets are developing. Se

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Gustafson, Danny J., Logan A. Dix, Derek P. Webster, et al. "Phylogeography of Coccoloba uvifera (Polygonaceae) Sampled across the Caribbean Basin." Diversity 16, no. 9 (2024): 562. http://dx.doi.org/10.3390/d16090562.

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Coccoloba uvifera L. (seagrape) is a primarily dioecious neotropical tree species which often grows in the beach–forest transitional ecotone of coastal strand vegetation. We used five maternally inherited non-coding chloroplast regions to characterize the phytogeography of C. uvifera collected across the Caribbean Basin and Florida. Bayesian analysis revealed divergence between the Aruba–Trinidad–Tobago–Antigua–Jamaica island group and the continental Belize–Florida–US Virgin Islands (USVI) group at 1.78 million years before present (mybp), divergence between the Belize and Florida–USVI groups

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17

Maret, Stephen M., and Craig A. Harling. "Cross-Cultural Perceptions of Physical Attractiveness: Ratings of Photographs of Whites by Cruzans and Americans." Perceptual and Motor Skills 60, no. 1 (1985): 163–66. http://dx.doi.org/10.2466/pms.1985.60.1.163.

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This study compared the attractiveness ratings of photographs of whites by 31 male and female Cruzan (indigenous residents of St. Croix, USVI) and American subjects, all residing on St. Croix. Over-all, the 15 women rated photographs significantly higher than the 16 men did and male photographs were rated significantly lower than female photographs. All interactions and the variable of race/culture were nonsignificant. Results are discussed as they relate to Cruzan culture.

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Radke, John. "Detecting potential erosion threats to the coastal zone: St. John, Usvi." Marine Geodesy 20, no. 2-3 (1997): 235–54. http://dx.doi.org/10.1080/01490419709388107.

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Harmsen, Eric W., John R. Mecikalski, Victor J. Reventos, Estefanía Álvarez Pérez, Sopuruchi S. Uwakweh, and Christie Adorno García. "Water and Energy Balance Model GOES-PRWEB: Development and Validation." Hydrology 8, no. 3 (2021): 113. http://dx.doi.org/10.3390/hydrology8030113.

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In 2009, the University of Alabama-Huntsville configured their GOES satellited-based solar radiation product to include Puerto Rico, the US Virgin Islands (USVI), Dominican Republic, Haiti, Jamaica, and Cuba. The half-hourly and daily integrated data are available at 1 km resolution for Puerto Rico and the USVI and 2 km for Hispaniola, Jamaica, and Cuba. These data made it possible to implement estimates of satellite radiation-based evapotranspiration methods on all of the islands. The use of the solar radiation data in combination with estimates of other climate parameters facilitated the dev

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Schnall, Amy Helene, Joseph (Jay) Roth, Lisa LaPlace Ekpo, Irene Guendel, Michelle Davis, and Esther M. Ellis. "Disaster-Related Surveillance Among US Virgin Islands (USVI) Shelters During the Hurricanes Irma and Maria Response." Disaster Medicine and Public Health Preparedness 13, no. 1 (2019): 38–43. http://dx.doi.org/10.1017/dmp.2018.146.

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AbstractObjectivesTwo Category 5 storms, Hurricane Irma and Hurricane Maria, hit the U.S. Virgin Islands (USVI) within 13 days of each other in September 2017. These storms caused catastrophic damage across the territory, including widespread loss of power, destruction of homes, and devastation of critical infrastructure. During large scale disasters such as Hurricanes Irma and Maria, public health surveillance is an important tool to track emerging illnesses and injuries, identify at-risk populations, and assess the effectiveness of response efforts. The USVI Department of Health (DoH) partne

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Carpenter, Margot Dale. "Salt River from Summit to Seafloor: A Study of Shaded Relief Techniques for Coastal Environments." Proceedings of the ICA 6 (December 18, 2024): 1–5. https://doi.org/10.5194/ica-proc-6-5-2024.

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Abstract. Maps often rely on a stroke to delineate hydrological features. However, at large scales, these boundaries are usually a series of dynamic transitions across terrestrial and aquatic environments, particularly when considering wetlands. Borrowing classic mountain cartography techniques, this paper presents workflows to create a large-scale map of the coastal topography at Salt River, St. Croix, USVI, from summit to seafloor. I include lessons learned from working with disparate datasets, descriptions of customized illuminated shaded relief techniques, and a new way to represent mangro

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Benoit, Gaboury. "Mercury in dated sediment cores from coastal ponds of St Thomas, USVI." Marine Pollution Bulletin 126 (January 2018): 535–39. http://dx.doi.org/10.1016/j.marpolbul.2017.09.056.

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Calo, William A., Mirza Rivera, Pablo A. Mendez-Lazaro, et al. "Disruptions in Oncology Care Confronted by Patients with Gynecologic Cancer Following Hurricanes Irma and Maria in Puerto Rico." Cancer Control 29 (January 2022): 107327482211146. http://dx.doi.org/10.1177/10732748221114691.

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Background In September 2017, hurricanes Irma and Maria affected Puerto Rico (PR) and the US Virgin Islands (USVI), causing major disruptions in basic services and health care. This study documented the stressors and experiences of patients with gynecologic cancer receiving oncology care in PR following these hurricanes. Methods We conducted 4 focus groups (December 2018-April 2019) among women aged ≥21 years from PR who were diagnosed with gynecological cancer between September 2016 and September 2018 (n = 24). Using the same eligibility criteria, we also interviewed patients from the USVI (n

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Méndez-Lázaro, Pablo A., Yanina M. Bernhardt, William A. Calo, et al. "Environmental Stressors Suffered by Women with Gynecological Cancers in the Aftermath of Hurricanes Irma and María in Puerto Rico." International Journal of Environmental Research and Public Health 18, no. 21 (2021): 11183. http://dx.doi.org/10.3390/ijerph182111183.

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Background: Hurricanes are the immediate ways that people experience climate impacts in the Caribbean. These events affect socio-ecological systems and lead to major disruptions in the healthcare system, having effects on health outcomes. In September 2017, Puerto Rico (PR) and the United States Virgin Islands (USVI) experienced one of the most catastrophic hurricane seasons in recent history (Hurricane Irma was a Category 5 and Hurricane María was a Category 4 when they hit PR). Objective: This study examines environmental stressors experienced by women with gynecologic (GYN) cancers from PR

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Rogers, CS, LN McLain, and CR Tobias. "Effects of Hurricane Hugo (1989) on a coral reef in St. John, USVI." Marine Ecology Progress Series 78 (1991): 189–99. http://dx.doi.org/10.3354/meps078189.

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Poblete, JoAnna. "Women Community Warriors of St. Croix." Women, Gender, and Families of Color 9, no. 1 (2021): 83–101. http://dx.doi.org/10.5406/womgenfamcol.9.1.0083.

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Abstract This essay highlights some of the unexpected leadership roles that women have played in relation to the oil industry on St. Croix in the U.S. Virgin Islands (USVI) from 1965 to the present. The people of St. Croix (Crucians) have a long and proud history of strong women as community and family leaders. Despite their invisibility in contemporary narratives of oil refining under U.S. colonialism on St. Croix, Crucian women have contested commonly held stereotypes of women’s roles and contributed to, as well as challenged, the refinery on their own terms. This article is part of a broade

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Cranford, Hannah M., A. Springer Browne, Karen LeCount, et al. "Mongooses (Urva auropunctata) as reservoir hosts of Leptospira species in the United States Virgin Islands, 2019–2020." PLOS Neglected Tropical Diseases 15, no. 11 (2021): e0009859. http://dx.doi.org/10.1371/journal.pntd.0009859.

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During 2019–2020, the Virgin Islands Department of Health investigated potential animal reservoirs of Leptospira spp., the bacteria that cause leptospirosis. In this cross-sectional study, we investigated Leptospira spp. exposure and carriage in the small Indian mongoose (Urva auropunctata, syn: Herpestes auropunctatus), an invasive animal species. This study was conducted across the three main islands of the U.S. Virgin Islands (USVI), which are St. Croix, St. Thomas, and St. John. We used the microscopic agglutination test (MAT), fluorescent antibody test (FAT), real-time polymerase chain re

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Sabri, Bushra, Jamila K. Stockman, Jacquelyn C. Campbell, et al. "Factors Associated With Increased Risk for Lethal Violence in Intimate Partner Relationships Among Ethnically Diverse Black Women." Violence and Victims 29, no. 5 (2014): 719–41. http://dx.doi.org/10.1891/0886-6708.vv-d-13-00018.

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The purpose of this study was to identify factors associated with increased risk for lethal violence among ethnically diverse Black women in Baltimore, Maryland (MD), and the U.S. Virgin Islands (USVI). Women with abuse experiences (N = 456) were recruited from primary care, prenatal, or family planning clinics in Baltimore, MD, and St. Thomas and St. Croix. Logistic regression was used to examine factors associated with the risk for lethal violence among abused women. Factors independently related to increased risk of lethal violence included fear of abusive partners, posttraumatic stress dis

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Marronage. "Marronage is Resistance Against the Colonizer’s Construction of History." Nordisk Tidsskrift for Informationsvidenskab og Kulturformidling 8, no. 2 (2020): 92–97. http://dx.doi.org/10.7146/ntik.v7i2.118484.

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The contribution is an intervention into the book Kolonierne i Vestindien [The Colonies in the West Indies] (1980) by Danish historian Ove Hornby. Pointing to the limitations and biases of Hornby's account of the St. Croix Fireburn labor revolt of 1878, the contribution is an implicit critique of the way archival sources have been put to use within the discipline of history writing in attempts to delegitimise anti-colonial resistance. It is with some ambivalence that we have chosen to also include an English translation of the Hornby text as well as our annotations, and thereby reproduce the v

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Bui, Lily, Shanasia Sylman, Génesis Álvarez Rosario, et al. "Transdisciplinary Disaster Research: A Case Study from the U.S. Virgin Islands after Hurricanes Irma and Maria." International Journal of Mass Emergencies & Disasters 40, no. 1 (2022): 35–57. http://dx.doi.org/10.1177/028072702204000102.

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Transdisciplinary approaches to research involve deliberate integration of theory, methods, and knowledge across disciplines. In disaster studies, transdisciplinarity can be valuable for research teams that span multiple disciplines, offering a framework for identifying problems and proposing solutions in a way that is inclusive of traditional and non-traditional actors. This paper distinguishes transdisciplinary approaches from multidisciplinary and interdisciplinary approaches to disaster research; presents a case study of transdisciplinary disaster research in the U.S. Virgin Islands (USVI)

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Brooks, Gregg R., Barry Devine, Rebekka A. Larson, and Bryan P. Rood. "Sedimentary Development of Coral Bay, St. John, USVI: A Shift From Natural to Anthropogenic Influences." Caribbean Journal of Science 43, no. 2 (2007): 226–43. http://dx.doi.org/10.18475/cjos.v43i2.a8.

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Lugo-Fernández, A., H. H. Roberts, W. J. Wiseman Jr., and B. L. Carter. "Water level and currents of tidal and infragravity periods at Tague Reef, St. Croix (USVI)." Coral Reefs 17, no. 4 (1998): 343–49. http://dx.doi.org/10.1007/s003380050137.

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Wetterer, James K., and Claudia D. Lombard. "Fire Ants (Hymenoptera: Formicidae) Along an Important Sea Turtle Nesting Beach on St. Croix, USVI." Florida Entomologist 93, no. 3 (2010): 449–50. http://dx.doi.org/10.1653/024.093.0321.

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Robertson, D. Ross, Carlos J. Estapé, Allison M. Estapé, Lee Richter, Ernesto Peña, and Benjamin Victor. "An updated, illustrated inventory of the marine fishes of the US Virgin Islands." ZooKeys 1103 (June 1, 2022): 79–122. http://dx.doi.org/10.3897/zookeys.1103.83795.

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The US Virgin Islands (USVI) include St. John and St. Thomas on the Puerto Rican Platform (PRP) and St. Croix, isolated by 2000 m deep water 45 km south of that platform. Previous inventories of the marine fishes of these islands include a comprehensive 2014 checklist of the fishes of St. Croix and a list of the fishes of the PRP produced in 2000. The latter list noted the locations of many records of the plateau’s fishes, allowing the construction of a combined inventory for St. John and St. Thomas. Those two islands are treated here as a single faunal unit because they are only 3.5 km apart

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Robertson, D. Ross, Carlos J. Estapé, Allison M. Estapé, Lee Richter, Ernesto Peña, and Benjamin Victor. "An updated, illustrated inventory of the marine fishes of the US Virgin Islands." ZooKeys 1103 (June 1, 2022): 79–122. https://doi.org/10.3897/zookeys.1103.83795.

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The US Virgin Islands (USVI) include St. John and St. Thomas on the Puerto Rican Platform (PRP) and St. Croix, isolated by 2000 m deep water 45 km south of that platform. Previous inventories of the marine fishes of these islands include a comprehensive 2014 checklist of the fishes of St. Croix and a list of the fishes of the PRP produced in 2000. The latter list noted the locations of many records of the plateau's fishes, allowing the construction of a combined inventory for St. John and St. Thomas. Those two islands are treated here as a single faunal unit because they are only 3.5 km apart

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Bologna, Campanella, Restaino, Fetske, Lourenco, and Smalley. "Lingering Impacts of Hurricane Hugo on Rhizophora mangle (Red Mangrove) Population Genetics on St. John, USVI." Diversity 11, no. 4 (2019): 65. http://dx.doi.org/10.3390/d11040065.

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Stochastic events can have catastrophic effects on island populations through a series of genetic stressors from reduced population size. We investigated five populations of red mangrove (Rhizophora mangle) from St. John, USVI, an UNESCO Biosphere Reserve, which were impacted by Hurricane Hugo in 1989. Our goal was to determine diversity and to ascertain potential population bottlenecks two decades after the event. With the lowest observed heterozygosity, highest inbreeding coefficient, and evidence of a major bottleneck, our results demonstrated that the Great Lameshur mangroves, devastated b

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Browning, Trevor N., Derek E. Sawyer, Rebekka A. Larson, Brady O'Donnell, Josie Hadfield, and Gregg R. Brooks. "Linking Land & Sea: Watershed Evaluation and Mineralogical Distribution of Sediments in Eastern St. John, USVI." Caribbean Journal of Science 49, no. 1 (2016): 38–56. http://dx.doi.org/10.18475/cjos.v49i1.a5.

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Macintyre, Ian G., Marguerite A. Toscano, and Joyce Lundberg. "Complex environmental patterns and Holocene sea-level changes controlling reef histories along northeastern St. Croix, USVI." Atoll Research Bulletin, no. 556 (2008): 1–25. http://dx.doi.org/10.5479/si.00775630.556.1.

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Gouin, Samir. "Automated ultrasonic vocalization analysis: Training and testing VocalMat on a rat-based dataset." McGill Science Undergraduate Research Journal 16, no. 1 (2021): 38–42. http://dx.doi.org/10.26443/msurj.v16i1.58.

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Background: Ultrasonic vocalizations (USVs) offer another way to study the behaviour of rodents in addition to commonly used visual methods. USV subtypes have been associated with behaviour such as the concurrence of 22-kHz calls and signs of distress (defensive behaviour). (1,2) However, the categories used to analyze USVs are a source of contention, most notably with 50-kHz calls, and may even be arbitrary altogether. (3) To facilitate subtyping calls, VocalMat has been developed for USV identification and classification, and it has shown an accuracy of greater than 98% for mice USV detectio

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Valdez, Stephanie R., Elizabeth C. Shaver, Danielle A. Keller, et al. "A survey of benthic invertebrate communities in native and non-native seagrass beds in St. John, USVI." Aquatic Botany 175 (October 2021): 103448. http://dx.doi.org/10.1016/j.aquabot.2021.103448.

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Pait, Anthony S., S. Ian Hartwell, Andrew L. Mason, et al. "An assessment of chemical contaminants in sediments from the St. Thomas East End Reserves, St. Thomas, USVI." Environmental Monitoring and Assessment 186, no. 8 (2014): 4793–806. http://dx.doi.org/10.1007/s10661-014-3738-1.

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Nair, Vidya, Erin Mullen, David Townes, and Stephen C. Morris. "The Emergency Prescription Assistance Program's (EPAP): Providing continuing chronic health care for Hurricane Maria survivors from USVI." International Journal of Disaster Risk Reduction 50 (November 2020): 101699. http://dx.doi.org/10.1016/j.ijdrr.2020.101699.

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Lugo-Fernández, Alexis, H. H. Roberts, and W. J. Wiseman. "Currents, water levels, and mass transport over a modern Caribbean coral reef: Tague Reef, St. Croix, USVI." Continental Shelf Research 24, no. 17 (2004): 1989–2009. http://dx.doi.org/10.1016/j.csr.2004.07.004.

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Yee, Susan H., John A. Dittmar, and Leah M. Oliver. "Comparison of methods for quantifying reef ecosystem services: A case study mapping services for St. Croix, USVI." Ecosystem Services 8 (June 2014): 1–15. http://dx.doi.org/10.1016/j.ecoser.2014.01.001.

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Tsounis, Georgios, and Peter J. Edmunds. "Three decades of coral reef community dynamics in St. John, USVI: a contrast of scleractinians and octocorals." Ecosphere 8, no. 1 (2017): e01646. http://dx.doi.org/10.1002/ecs2.1646.

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Soanes, Louise M., Judy Pierce, Daniel Nellis, Susan Zaluski, and Lewis G. Halsey. "Abundance and distribution of Roseate Terns (<em>Sterna dougallii</em>) in the Virgin Islands." Journal of Caribbean Ornithology 33 (April 17, 2020): 43–48. http://dx.doi.org/10.55431/jco.2020.33.43-48.

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Abstract The North Atlantic population of the Roseate Tern (Sterna dougallii dougallii) is distributed across the northeastern coast of the United States and Canada, Europe, the Caribbean, and North Africa. In northeastern North America, the species was classified as Endangered in 1987 by the United States Fish and Wildlife Service, and it is the focus of national recovery plans in both the United States and Canada. In Europe, the Roseate Tern is considered a species that requires special conservation measures under Annex I of the European Union Birds Directive, and an action plan for recovery

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Jeong, Sang Ki, Min Kyu Kim, Hae Yong Park, Yoon Chil Kim, and Dae-Hyeong Ji. "Study on Fault Diagnosis Technology for Efficient Swarm Control Operation of Unmanned Surface Vehicles." Applied Sciences 14, no. 10 (2024): 4210. http://dx.doi.org/10.3390/app14104210.

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The purpose of this study is to design a Swarm Control algorithm for the effective mission performance of multiple unmanned surface vehicles (USVs) used for marine research purposes at sea. For this purpose, external force information was utilized for the control of multiple USV swarms using a lead–follow-formation technique. At this time, to efficiently control multiple USVs, the LSTM algorithm was used to learn ocean currents. Then, the predicted ocean currents were used to control USVs, and a study was conducted on behavioral-based control to manage USV formation. In this study, a control s

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Cheng, Chen, Dong Liu, Jin-Hui Du, and Yong-Zheng Li. "Research on Visual Perception for Coordinated Air–Sea through a Cooperative USV-UAV System." Journal of Marine Science and Engineering 11, no. 10 (2023): 1978. http://dx.doi.org/10.3390/jmse11101978.

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The identification and classification of obstacles in navigable and non-navigable regions, as well as the measurement of distances, are crucial topics of investigation in the field of autonomous navigation for unmanned surface vehicles (USVs). Currently, USVs mostly rely on LiDAR and ultrasound technology for the purpose of detecting impediments that exist on water surfaces. However, it is worth noting that these approaches lack the capability to accurately discern the precise nature or classification of those obstacles. Nevertheless, the limited optical range of unmanned vessels hinders their

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Li, Shuo, Fei Teng, Geyang Xiao, and Haoran Zhao. "Distributed Optimization-Based Path Planning for Multiple Unmanned Surface Vehicles to Pass through Narrow Waters." Journal of Marine Science and Engineering 12, no. 8 (2024): 1246. http://dx.doi.org/10.3390/jmse12081246.

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Safety and efficiency are important when Unmanned Surface Vehicles (USVs) pass through narrow waters in complex marine environments. This paper considers the issue of path planning for USVs passing through narrow waterways. We propose a distributed optimization algorithm based on a polymorphic network architecture, which maintains connectivity and avoids collisions between USVs while planning optimal paths. Firstly, the initial path through the narrow waterway is planned for each USV using the narrow water standard route method, and then the interpolating spline method is used to determine its

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Xie, Jiajia, Rui Zhou, Yuan Liu, et al. "Reinforcement-Learning-Based Asynchronous Formation Control Scheme for Multiple Unmanned Surface Vehicles." Applied Sciences 11, no. 2 (2021): 546. http://dx.doi.org/10.3390/app11020546.

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The high performance and efficiency of multiple unmanned surface vehicles (multi-USV) promote the further civilian and military applications of coordinated USV. As the basis of multiple USVs’ cooperative work, considerable attention has been spent on developing the decentralized formation control of the USV swarm. Formation control of multiple USV belongs to the geometric problems of a multi-robot system. The main challenge is the way to generate and maintain the formation of a multi-robot system. The rapid development of reinforcement learning provides us with a new solution to deal with thes

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