Search Results - "Guzmán, Hector M."

Caribbean-wide, long-term study of seagrass beds reveals local variations, shifts in community structure and occasional collapse by van Tussenbroek, Brigitta I, Cortés, Jorge, Collin, Rachel, Fonseca, Ana C, Gayle, Peter M H, Guzmán, Hector M, Jácome, Gabriel E, Juman, Rahanna, Koltes, Karen H, Oxenford, Hazel A, Rodríguez-Ramirez, Alberto, Samper-Villarreal, Jimena, Smith, Struan R, Tschirky, John J, Weil, Ernesto

“…The CARICOMP monitoring network gathered standardized data from 52 seagrass sampling stations at 22 sites (mostly Thalassia testudinum-dominated beds in reef…”
Get full text

Variation in reef fish and invertebrate communities with level of protection from fishing across the Eastern Tropical Pacific seascape by Edgar, Graham J., Banks, Stuart A., Bessudo, Sandra, Cortés, Jorge, Guzmán, Hector M., Henderson, Scott, Martinez, Camilo, Rivera, Fernando, Soler, German, Ruiz, Diego, Zapata, Fernando A.

“…Aim To quantify general differences in reef community structure between well-enforced and poorly enforced marine protected areas (MPAs) and fished sites across…”
Get full text

Widespread local chronic stressors in Caribbean coastal habitats by Chollett, Iliana, Collin, Rachel, Bastidas, Carolina, Cróquer, Aldo, Gayle, Peter M H, Jordán-Dahlgren, Eric, Koltes, Karen, Oxenford, Hazel, Rodriguez-Ramirez, Alberto, Weil, Ernesto, Alemu, Jahson, Bone, David, Buchan, Kenneth C, Creary Ford, Marcia, Escalante-Mancera, Edgar, Garzón-Ferreira, Jaime, Guzmán, Hector M, Kjerfve, Björn, Klein, Eduardo, McCoy, Croy, Potts, Arthur C, Ruíz-Rentería, Francisco, Smith, Struan R, Tschirky, John, Cortés, Jorge

“…Coastal ecosystems and the livelihoods they support are threatened by stressors acting at global and local scales. Here we used the data produced by the…”
Get full text

Tourist Knowledge, Pro-Conservation Intentions, and Tourist Concern for the Impacts of Whale-Watching in Las Perlas Archipelago, Panama by Cárdenas, Susana, Gabela-Flores, María Virginia, Amrein, Arielle, Surrey, Katie, Gerber, Leah R., Guzmán, Hector M.

“…Whale watching has become an important economic activity for many coastal areas where whales aggregate at certain times of year. Las Perlas Archipelago in…”
Get full text

Correction: Widespread local chronic stressors in Caribbean coastal habitats by Chollett, Iliana, Collin, Rachel, Bastidas, Carolina, Cróquer, Aldo, Gayle, Peter M H, Jordán-Dahlgren, Eric, Koltes, Karen, Oxenford, Hazel, Rodriguez-Ramirez, Alberto, Weil, Ernesto, Alemu, Jahson, Bone, David, Buchan, Kenneth C, Ford, Marcia Creary, Escalante-Mancera, Edgar, Garzón-Ferreira, Jaime, Guzmán, Hector M, Kjerfve, Björn, Klein, Eduardo, McCoy, Croy, Potts, Arthur C, Ruíz-Rentería, Francisco, Smith, Struan R, Tschirky, John, Cortés, Jorge

“…[This corrects the article DOI: 10.1371/journal.pone.0188564.]…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text

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),…”
Get full text