Search Results - "GUZMAN, Héctor M"

Assessment of the dolphinfish Coryphaena hippurus (Perciformes: Coryphaenidae) fishery in Pacific Panama by Guzman, Héctor M, Díaz-Ferguson, Edgardo, Vega, Angel J, Robles, Yolany A

“…The dolphinfish (Coryphaena hippunis) is a highly migratory pelagic species commercially exploited by industrial, artisanal and recreational fisheries in…”
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A crab swarm at an ecological hotspot: patchiness and population density from AUV observations at a coastal, tropical seamount by Pineda, Jesús, Cho, Walter, Starczak, Victoria, Govindarajan, Annette F, Guzman, Héctor M, Girdhar, Yogesh, Holleman, Rusty C, Churchill, James, Singh, Hanumant, Ralston, David K

“…A research cruise to Hannibal Bank, a seamount and an ecological hotspot in the coastal eastern tropical Pacific Ocean off Panama, explored the zonation,…”
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Effects of titanium dioxide (TiO₂) nanoparticles on caribbean reef‐building coral (Montastraea faveolata) by JOVANOVIC, Boris, GUZMAN, Héctor M

“…Increased use of manufactured titanium dioxide nanoparticles (nano‐TiO₂) is causing a rise in their concentration in the aquatic environment, including coral…”
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One-Third of Reef-Building Corals Face Elevated Extinction Risk from Climate Change and Local Impacts by Carpenter, Kent E, Abrar, Muhammad, Aeby, Greta, Aronson, Richard B, Banks, Stuart, Bruckner, Andrew, Chiriboga, Angel, Cortés, Jorge, Delbeek, J. Charles, DeVantier, Lyndon, Edgar, Graham J, Edwards, Alasdair J, Fenner, Douglas, Guzmán, Héctor M, Hoeksema, Bert W, Hodgson, Gregor, Johan, Ofri, Licuanan, Wilfredo Y, Livingstone, Suzanne R, Lovell, Edward R, Moore, Jennifer A, Obura, David O, Ochavillo, Domingo, Polidoro, Beth A, Precht, William F, Quibilan, Miledel C, Reboton, Clarissa, Richards, Zoe T, Rogers, Alex D, Sanciangco, Jonnell, Sheppard, Anne, Sheppard, Charles, Smith, Jennifer, Stuart, Simon, Turak, Emre, Veron, John E.N, Wallace, Carden, Weil, Ernesto, Wood, Elizabeth

“…The conservation status of 845 zooxanthellate reef-building coral species was assessed by using International Union for Conservation of Nature Red List…”
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Mercury levels in coral reefs along the Caribbean coast of Central America by GUZMAN, Héctor M, GARCIA, Elia M

“…Sediment and coral skeleton samples from 23 coral reefs along the Caribbean coast of Costa Rica and Panama (1497 km) were evaluated for total mercury (Hg)…”
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Humpback whale movements in a narrow and heavily-used shipping passage, Chile by Guzman, Héctor M., Capella, Juan J., Valladares, Carlos, Gibbons, Jorge, Condit, Richard

“…The Magellan Strait is a narrow passage connecting the Pacific and Atlantic oceans in South America. An average of 2023 ships per year transit this corridor…”
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Corals at the edge of environmental limits: A new conceptual framework to re-define marginal and extreme coral communities by Schoepf, Verena, Baumann, Justin H., Barshis, Daniel J., Browne, Nicola K., Camp, Emma F., Comeau, Steeve, Cornwall, Christopher E., Guzmán, Héctor M., Riegl, Bernhard, Rodolfo-Metalpa, Riccardo, Sommer, Brigitte

“…The worldwide decline of coral reefs has renewed interest in coral communities at the edge of environmental limits because they have the potential to serve as…”
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Species richness change across spatial scales by Chase, Jonathan M., McGill, Brian J., Thompson, Patrick L., Antão, Laura H., Bates, Amanda E., Blowes, Shane A., Dornelas, Maria, Gonzalez, Andrew, Magurran, Anne E., Supp, Sarah R., Winter, Marten, Bjorkman, Anne D., Bruelheide, Helge, Byrnes, Jarrett E. K., Cabral, Juliano Sarmento, Elahi, Robin, Gomez, Catalina, Guzman, Hector M., Isbell, Forest, Myers‐Smith, Isla H., Jones, Holly P., Hines, Jes, Vellend, Mark, Waldock, Conor, O'Connor, Mary

“…Humans have elevated global extinction rates and thus lowered global scale species richness. However, there is no a priori reason to expect that losses of…”
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Leptolide, a New Furanocembranolide Diterpene from Leptogorgia alba by GUTIéRREZ, Marcelino, CAPSON, Todd L., GUZMáN, Héctor M., GONZáLEZ, José, ORTEGA-BARRíA, Eduardo, QUIñOá, Emilio, RIGUERA, Ricardo

“…Six furanocembranolides (1-6) and one pseudopterolide (7) have been isolated from the octocorals Leptogorgia alba and Leptogorgia rigida, collected on the…”
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Vocalizations of wild West Indian manatee vary across subspecies and geographic location by Reyes-Arias, Jessica D., Brady, Beth, Ramos, Eric A., Henaut, Yann, Castelblanco-Martínez, Delma Nataly, Maust-Mohl, Maria, Searle, Linda, Pérez-Lachaud, Gabriela, Guzmán, Héctor M., Poveda, Héctor, Merchan, Fernando, Contreras, Kenji, Sanchez-Galan, Javier E., Collom, Kristi A., Magnasco, Marcelo O.

“…Geographic variation in the vocal behavior of manatees has been reported but is largely unexplored. Vocalizations of wild West Indian manatees ( Trichechus…”
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Bioacoustic Classification of Antillean Manatee Vocalization Spectrograms Using Deep Convolutional Neural Networks by Merchan, Fernando, Guerra, Ariel, Poveda, Héctor, Guzmán, Héctor M., Sanchez-Galan, Javier E.

“…We evaluated the potential of using convolutional neural networks in classifying spectrograms of Antillean manatee (Trichechus manatus manatus) vocalizations…”
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Insights into Blue Whale ( Balaenoptera musculus L.) Population Movements in the Galapagos Archipelago and Southeast Pacific by Guzman, Hector M, Estévez, Rocío M, Kaiser, Stefanie

“…The Galapagos Marine Reserve is vital for cetaceans, serving as both a stopover and residency site. However, blue whales, occasionally sighted here, exhibit…”
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Microbiota of Healthy Corals Are Active against Fungi in a Light-Dependent Manner by Moree, Wilna J, McConnell, Oliver J, Nguyen, Don D, Sanchez, Laura M, Yang, Yu-Liang, Zhao, Xiling, Liu, Wei-Ting, Boudreau, Paul D, Srinivasan, Jayashree, Atencio, Librada, Ballesteros, Javier, Gavilán, Ronnie G, Torres-Mendoza, Daniel, Guzmán, Héctor M, Gerwick, William H, Gutiérrez, Marcelino, Dorrestein, Pieter C

“…Coral reefs are intricate ecosystems that harbor diverse organisms, including 25% of all marine fish. Healthy corals exhibit a complex symbiosis between coral…”
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Antitrypanosomal alkaloids from the marine bacterium Bacillus pumilus by Martínez-Luis, Sergio, Gómez, José Félix, Spadafora, Carmenza, Guzmán, Héctor M, Gutiérrez, Marcelino

“…Fractionation of the ethyl acetate extract of the marine bacterium Bacillus pumilus isolated from the black coral Antipathes sp. led to the isolation of five…”
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A revision of the genus Psammogorgia Verrill, 1868 (Cnidaria, Anthozoa, Octocorallia) in the tropical eastern Pacific Ocean by Breedy, Odalisca, Guzman, Hector M

“…The species of the genus Psammogorgia Verrill, 1868 from the shallow waters of the tropical eastern Pacific were mainly described from 1846 to 1870. Very few…”
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Migratory preferences of humpback whales between feeding and breeding grounds in the eastern South Pacific by Acevedo, Jorge, Aguayo‐Lobo, Anelio, Allen, Judith, Botero‐Acosta, Natalia, Capella, Juan, Castro, Cristina, Rosa, Luciano Dalla, Denkinger, Judith, Félix, Fernando, Flórez‐González, Lilian, Garita, Frank, Guzmán, Héctor M., Haase, Ben, Kaufman, Gregory, Llano, Martha, Olavarría, Carlos, Pacheco, Aldo S., Plana, Jordi, Rasmussen, Kristin, Scheidat, Meike, Secchi, Eduardo R., Silva, Sebastian, Stevick, Peter T.

“…Latitudinal preferences within the breeding range have been suggested for Breeding Stock G humpback whales that summer in different feeding areas of the…”
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Re-evaluation of using rhodolith growth patterns for paleoenvironmental reconstruction: An example from the Gulf of Panama by Sletten, Hillary R., Andrus, C. Fred T., Guzmán, Héctor M., Halfar, Jochen

“…Rhodoliths are a proxy data source for understanding environment and climate variation in tropical to arctic oceans. A clear understanding of growth pattern…”
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New Eunicellin-Type Diterpenes from the Panamanian Octocoral Briareum Asbestinum by Gutiérrez, Marcelino, Santamaría, Ricardo, Gómez-Reyes, José Félix, Guzmán, Héctor M, Ávila-Román, Javier, Motilva, Virginia, Talero, Elena

“…Gorgonian octocorals are considered a prolific source of secondary metabolites with a wide range of biological activities, including anti-inflammatory…”
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Pumilacidins from the Octocoral-Associated Bacillus sp. DT001 Display Anti-Proliferative Effects in Plasmodium falciparum by Torres-Mendoza, Daniel, Coronado, Lorena M, Pineda, Laura M, Guzmán, Héctor M, Dorrestein, Pieter C, Spadafora, Carmenza, Gutiérrez, Marcelino

“…Chemical examination of the octocoral-associated species (sp.) DT001 led to the isolation of pumilacidins A ( ) and C ( ). We investigated the effect of these…”
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Metal contents of marine turtle eggs (Chelonia mydas; Lepidochelys olivacea) from the tropical eastern pacific and the implications for human health by Ross, David A., Guzmán, Héctor M., Van Hinsberg, Vincent J., Potvin, Catherine

“…Concentrations of eight elements were measured in Chelonia mydas and Lepidochelys olivacea eggs collected along the Pacific coast of Panama. Manganese (Mn),…”
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