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Articles 1 - 10 of 10
Full-Text Articles in Life Sciences
Rapid Assessment Of Post-Hurricane Michael Impacts On A Population Of The Sea Urchin Lytechinus Variegatus In Seagrass Beds Of Eagle Harbor, Port Saint Joseph Bay, Florida, Roberta Challener, James B. Mcclintock, Raymond Czaja Jr., Christopher Pomory
Rapid Assessment Of Post-Hurricane Michael Impacts On A Population Of The Sea Urchin Lytechinus Variegatus In Seagrass Beds Of Eagle Harbor, Port Saint Joseph Bay, Florida, Roberta Challener, James B. Mcclintock, Raymond Czaja Jr., Christopher Pomory
Gulf and Caribbean Research
No abstract provided.
Variability In Microphytobenthos Biomass And Carbon Isotopic Values In Shallow Coastal Waters Of The Northern Gulf Of Mexico, Sharil N. Deleon, Jeffrey W. Krause, Ronald Baker
Variability In Microphytobenthos Biomass And Carbon Isotopic Values In Shallow Coastal Waters Of The Northern Gulf Of Mexico, Sharil N. Deleon, Jeffrey W. Krause, Ronald Baker
Gulf and Caribbean Research
No abstract provided.
Detection Of Adsorbed Chlordecone On Microplastics In Marine Sediments In Guadeloupe: A Preliminary Study, Fidji Sandre, Charlotte R. Dromard, Karyn Le Menach, Yolande Bouchon-Navaro, Sébastien Cordonnier, Nathalie Tapie, Hélène Budzinski, Claude Bouchon
Detection Of Adsorbed Chlordecone On Microplastics In Marine Sediments In Guadeloupe: A Preliminary Study, Fidji Sandre, Charlotte R. Dromard, Karyn Le Menach, Yolande Bouchon-Navaro, Sébastien Cordonnier, Nathalie Tapie, Hélène Budzinski, Claude Bouchon
Gulf and Caribbean Research
Plastic pollution in the oceans is recognized as a worldwide problem. Since the 1950s, the production of plastics has been increasing and the first reports of microplastics (particles < 500 μm) in the marine environment began to appear in the 1970s. These particles represent a growing environmental problem due to their dispersion in seawater and marine organisms. Additionally, microparticles in general can adsorb pollutants that will then become bioavailable to organisms by being desorbed during digestion, which could be an important pathway for the contamination of organisms. In Guadeloupe and Martinique, an organochlorine pesticide called “chlordecone” was used from 1972 to 1993 in banana plantations and this very persistent pollutant contaminates soils, rivers, and coastal marine areas and accumulates in marine foodwebs. To examine these issues, we had two goals: 1) to assess the contamination of marine sediments by microplastics surrounding Guadeloupe; and 2) to determine the ability of microplastics to adsorb chlordecone, as has been demonstrated for other organochlorine pollutants. To do so, marine sediments were collected in triplicate from 12 sites in coral reef environments around the island. Microplastics from each sample were then enumerated by size, color and shape under a binocular microscope. The results indicate that microplastics are found in all the studied sites and that their distribution could be linked to marine currents or proximity to areas of significant human activities (port activities, agglomeration, etc.). Finally, our preliminary results indicated that chlordecone could be adsorbed onto microplastics, with a concentration ranging from 0.00036—0.00173 µg/µg of microfilter.
Estimation And Comparison Of Epiphyte Loading On Holopelagic Sargassum Fluitans Collected In The North Atlantic Ocean And The Gulf Of Mexico, Sarah Shadle, Olivia Lestrade, Franziska Elmer, Frank Hernandez Jr.
Estimation And Comparison Of Epiphyte Loading On Holopelagic Sargassum Fluitans Collected In The North Atlantic Ocean And The Gulf Of Mexico, Sarah Shadle, Olivia Lestrade, Franziska Elmer, Frank Hernandez Jr.
Gulf and Caribbean Research
No abstract provided.
Hippocratic Values In An Era Of Nuclear Asymmetry: Should U.S. Public Health Prepare For Nuclear War With North Korea?, George A. Gellert
Hippocratic Values In An Era Of Nuclear Asymmetry: Should U.S. Public Health Prepare For Nuclear War With North Korea?, George A. Gellert
Journal of Health Ethics
Objectives: Advancements in North Korean nuclear weapons have heightened tensions and increased risk for nuclear war. U.S. public health agencies are investing resources in nuclear attack preparation. Analyses assess the impact and value of existing protective public health strategies for limited nuclear exchange.
Methods: Projections of fatality/injury from a North Korean nuclear strike within North Asia and explosive impact mapping are used to assess the potential impact of an attack on major U.S. urban centers.
Results: A nuclear strike on the 20 largest U.S. urban centers would place 38.1% of Americans at risk. With 1-3 missiles of 250 kiloton yield …
Comparison Of Nursery Methods To Strengthen Oysters For Aquaculture, Emily M. Combs, Benjamin A. Belgrad, Delbert L. Smee
Comparison Of Nursery Methods To Strengthen Oysters For Aquaculture, Emily M. Combs, Benjamin A. Belgrad, Delbert L. Smee
Gulf and Caribbean Research
No abstract provided.
Dead Or Alive: Use Of Elemental Analysis To Determine Status Of Stranded Perinate Bottlenose Dolphins (Tursiops Truncatus), Ryanne Murray, Ruth H. Carmichael, Merri K. Collins, Mackenzie L. Russell, Alissa C. Deming
Dead Or Alive: Use Of Elemental Analysis To Determine Status Of Stranded Perinate Bottlenose Dolphins (Tursiops Truncatus), Ryanne Murray, Ruth H. Carmichael, Merri K. Collins, Mackenzie L. Russell, Alissa C. Deming
Gulf and Caribbean Research
No abstract provided.
The Purr Of The Lionfish: Sound And Behavioral Context Of Wild Lionfish In The Greater Caribbean, Michelle T. Schärer-Umpierre, Carlos Zayas, Richard S. Appeldoorn, Evan Tuohy, Jack C. Olson, Jessica A. Keller, Alejandro Acosta
The Purr Of The Lionfish: Sound And Behavioral Context Of Wild Lionfish In The Greater Caribbean, Michelle T. Schärer-Umpierre, Carlos Zayas, Richard S. Appeldoorn, Evan Tuohy, Jack C. Olson, Jessica A. Keller, Alejandro Acosta
Gulf and Caribbean Research
Passive acoustic technology has become a useful and cost-effective method to collect data with very high temporal resolution that can be used to detect the presence, distribution, and remotely monitor soniferous marine biodiversity. In order to maximize the potential of bioacoustic and soundscape research in the oceans, understanding the association between the different realms of sound sources, species-specific calls and behavioral context of sound production are fundamental. A previously unknown vocalization was associated with a behavioral display of lionfish (Pterois spp.) by recordings with synchronous audio and video at deep coral reefs in both Puerto Rico and the Florida …
The Potential Use Of Seagrass Herbivory Patterns As An Indicator Of Herbivore Community Change After Tropical Marine Protected Area Establishment, John M. Carroll, Amber D. Stubler, Christopher M. Finelli, Bradley J. Peterson
The Potential Use Of Seagrass Herbivory Patterns As An Indicator Of Herbivore Community Change After Tropical Marine Protected Area Establishment, John M. Carroll, Amber D. Stubler, Christopher M. Finelli, Bradley J. Peterson
Gulf and Caribbean Research
Throughout the Caribbean, fishing pressure has decreased the abundance of many species, including both large predators and larger-bodied herbivores. In an effort to reverse these trends and reduce harvest pressure on vulnerable fish populations, Marine Protected Areas (MPAs) have been established throughout the Caribbean. Yet, the effort to monitor fish communities, is variable, and there are MPAs where no monitoring program exists. It is possible that other metrics may be used to determine whether the impact of MPA establishment. By comparing two seagrass herbivory experiments, one pre- and one post-MPA establishment, we provide evidence that the MPA established in Discovery …
Seagrass Ecosystems: A Career-Long Quest To Understand Their Inner Workings, Kenneth L. Heck Jr
Seagrass Ecosystems: A Career-Long Quest To Understand Their Inner Workings, Kenneth L. Heck Jr
Gulf and Caribbean Research
Four decades of research findings associates on the ecology of seagrasses and their animal and plant associates are described here, along with some of the major changes and advances that have taken place in our understanding of the inner workings of these amazingly productive and diverse ecosystems. Of primary importance are shifts in the recognition of: 1) the importance of the nursery role of seagrasses and how it can be quantified; 2) the importance of direct herbivory in the trophic ecology of seagrass-dominated ecosystems; and 3) the primacy of consumer effects in determining the abundance of algal epiphytes that colonize …