Results 21 to 30 of about 1,607 (181)

Seasonal variations in the growth of anchovy larvae (Engraulis anchoita) on the Argentine coastal shelf

Scientia Marina, 2010
Age and growth rates of the anchovy larvae (Engraulis anchoita) in Argentine waters were estimated by analysing daily growth increments in sagittal otoliths under light microscope.
Ezequiel Leonarduzzi, Daniel R. Brown, Ramiro P. Sánchez   +2 more
doaj   +1 more source

Comparative review of entanglement risk assessments for cetacean conservation and management

Conservation Biology, EarlyView.
Abstract Cetacean entanglement in fishing gear remains a major global threat that exposes persistent gaps in how fisheries management frameworks manage risk to nontarget species. Ecological risk assessment (ERA) offers a structured way to link exposure and consequences to an explicit statement of risk, but entanglement risk assessments vary widely in ...
Laura Joan Feyrer, Clair Evers, Hilary Moors‐Murphy   +2 more
wiley   +1 more source

Hydropower Regulation of Xingu River Discharge Structures Heterogeneous, Sector‐Specific Responses in Pacu Fisheries Along the River Continuum

Fisheries Management and Ecology, EarlyView.
ABSTRACT Hydroelectric dams are common in Amazonian tributaries under federal environmental licensing that requires long‐term fisheries monitoring. This study evaluated three fishing systems targeting “pacu” species (Serrasalmidae) in the Xingu River before, during, and after construction of the Belo Monte dam (2012–2023) across four river sectors ...
João Paulo Moura de Queiroz, Nelson de Almeida Gouveia, Marcelo Ândrade, Rafael Paiva de Oliveira Diaz, Claudemir Oliveira da Silva, Victoria J. Isaac   +5 more
wiley   +1 more source

Características ambientales y algas nocivas en un área de producción de moluscos bivalvos del Canal Beagle, Argentina

Marine and Fishery Sciences, 2020
En diciembre de 2013 se realizó un estudio para conocer las especies de microalgas tóxicas presentes en el área, las distintas toxinas que producen y los factores ambientales que condicionan la distribución de las comunidades de fitoplancton y su ...
Hugo Benavides, Nora G. Montoya, Mario Carignan, Carlos Luizón   +3 more
doaj   +1 more source

Urban ants as potential mechanical vectors of pathogenic and antibiotic‐resistant bacteria in a Brazilian hospital

Medical and Veterinary Entomology, EarlyView.
Nine ant taxa were identified in a Brazilian hospital, with Tapinoma melanocephalum and Dorymyrmex brunneus being the most abundant. Eighty‐five percent of collected ants yielded detectable bacterial growth, including clinically relevant genera such as Acinetobacter, Pseudomonas, Escherichia coli and Pluralibacter.
Luana Biggi Souza, Anny Karoliny de Lima Dionisio, Mayara Acioli Cedrim, Luiz Carlos Silva Dias Neto, Ellymaira Freitas Pontes, Yáskara Veruska Ribeiro Barros, Renato Júnior Cavalcante da Silva, Ênio Jose Bassi, Jacques Hubert Charles Delabie, Ana Lucia Biggi Souza, Leticia Anderson   +10 more
wiley   +1 more source

Estimated total abundance and numbers at age of longtail hake (Macruronus magellanicus) in the Southwest Atlantic during the years 1987-2000

Scientia Marina, 2002
Delta-based estimates of longtail hake biomass off Argentina were derived from the results of summer trawl surveys carried out on an irregular basis since 1987.
Analía R. Giussi, Jorge E. Hansen, Otto C. Wöler   +2 more
doaj   +1 more source

Pseudacteon fowleri Pesquero 2000

, 2015
Published as part of Pereira, Thalles Platiny Lavinscky, Delabie, Jacques Hubert Charles & Bravo, Freddy, 2015, New species and records of Pseudacteon Coquillett, 1907 (Diptera, Phoridae), parasitoids of the fire ant Solenopsis geminata group (Hymenoptera, Formicidae), pp.
Pereira, Thalles Platiny Lavinscky, Delabie, Jacques Hubert Charles, Bravo, Freddy   +2 more
openaire   +2 more sources

Photoprotective potential of gadusol against ultraviolet B radiation in melanocytes

Photochemistry and Photobiology, EarlyView.
Gadusol protects melanocytes from ultraviolet B (UVB)‐induced damage without cytotoxicity. Abstract The increasing incidence of skin cancer, including melanoma, combined with the need for ultraviolet (UV) filters that are safe for human health and marine ecosystems, is driving the search for new photoprotective agents.
Andressa Mai Matsumoto, Rocío Isla Naveira, Andy Joel Taipe Huisa, Marcelo Augusto Germani Marinho, Lais Zortéa, José María Monserrat, Agueda Elena Massa, María Sandra Churio, Ana Paula de Souza Votto   +8 more
wiley   +1 more source

Bomb Radiocarbon, Otolith Daily Increments and Length Modes Validate Age Interpretations of Chilean Jack Mackerel (Trachurus murphyi)

Frontiers in Marine Science, 2022
Ages of Chilean jack mackerel (Trachurus murphyi) in the southern Pacific Ocean were validated using three methods: 1) daily microincrement readings in sagittal otoliths of young-of-the year (YOY) fish to validate the first annulus; 2) modal progression ...
Francisco Cerna, Guillermo Moyano, Christian Valero, Lizandro Muñoz, Guido Plaza, Steven E. Campana   +5 more
doaj   +1 more source

DeepZoo: A cost‐effective and modular sampler for ecological studies in the deep ocean

Methods in Ecology and Evolution, Volume 17, Issue 10, Page 2895-2908, October 2026.
Abstract Understanding the structure and dynamics of deep‐ocean communities requires effective sampling of pelagic organisms in near‐bottom waters. These dispersive organisms contribute to biodiversity, connectivity and ecosystem recovery. Yet, current sampling methods remain constrained by size, cost, and depth, leaving key questions unanswered in ...
Johanna N. J. Weston, Casey Machado, Brian Kelly, Benjamin S. Weiss, Taylor P. Heyl, Daniel Lauretta, Lauren S. Mullineaux, Kirstin S. Meyer‐Kaiser   +7 more
wiley   +1 more source