Results 11 to 20 of about 16,430 (116)

Twoline Skiffia's Latency to Exit a Refuge and to Locate Food When Socialising With Invaders and Raising Temperatures. [PDF]

Ecol Evol
Native twoline skiffia's behaviour in response to increasing temperatures and coexistence with invasive guppies was assessed and results uncovered potential benefits for the native fish, including quicker emergence from shelters and more efficient food location when associating with invasive species.
Santiago-Arellano A, Alcocer J, de la Barrera E, Camacho-Cervantes M.   +3 more
europepmc   +2 more sources

Peces nativos y pesca artesanal en la cuenca Usumacinta, Guatemala

Revista Mexicana de Biodiversidad, 2018
La ictiofauna nativa de la cuenca del río Usumacinta se documentó en el noroeste de Guatemala para conocer la composición de los peces nativos en 20 sitios y su importancia en la pesca artesanal. El estudio incluyó recolecta de las especies con diversas artes de pesca, evaluación de abundancia de las especies mediante muestreos en transectos e ...
Christian Barrientos, Yasmín Quintana, Diego J. Elías, Rocío Rodiles-Hernández   +3 more
openaire   +5 more sources

Patrones de desplazamiento de peces nativos en el Río San Pedro (cuenca del Río Valdivia, Chile) [PDF]

Gayana (Concepción), 2012
Los peces nativos chilenos se caracterizan por ser de tamano pequeno (
Piedra, Priscila, Habit, Evelyn, Oyanedel, Alejandra, Colin, Nicole, Solis-Lufí, Katherin, González, Jorge, Jara, Alfonso, Ortiz, Néstor, Cifuentes, Roberto   +8 more
  +11 more sources

The introduced Arapaima gigas in the Bolivian Amazon: Trophic position and isotopic niche overlap with native species

Ecology of Freshwater Fish, Volume 32, Issue 4, Page 926-937, October 2023., 2023
Abstract Non‐native fish species may generate major ecological impacts on native assemblages. This study aims to assess the potential impact of the introduced Arapaima gigas on native fish assemblages in two oxbow lakes of the Bolivian Amazon. Stable isotope data were used to determine trophic position (TP) and isotopic niche overlap, to evaluate ...
Danny Rejas, Thierry Oberdorff, Steven A. J. Declerck, Monika Winder   +3 more
wiley   +1 more source

Does invasion by armored catfish shift trophic ecology of native fishes? Evidence from stable isotope analysis

Ecology, Volume 104, Issue 5, May 2023., 2023
Abstract Popular as aquarium fish, armored catfishes from South America (Pterygoplichthys spp.) have been introduced and become invasive in tropical and subtropical regions worldwide. These ecosystem engineers can deplete basal resources (e.g., periphyton and detritus), with potential negative effects for native fauna. We studied the trophic ecology of
Yasmín Quintana, Friedrich Wolfgang Keppeler, Kirk O. Winemiller   +2 more
wiley   +1 more source

Affordable de novo generation of fish mitogenomes using amplification‐free enrichment of mitochondrial DNA and deep sequencing of long fragments

Molecular Ecology Resources, Volume 23, Issue 4, Page 818-832, May 2023., 2023
Abstract Biomonitoring surveys make use of metabarcoding tools to describe the community composition. These studies match their sequencing results against public genomic databases to identify the species. However, mitochondrial genomic reference data are yet incomplete, only a few genes may be available, or the suitability of existing sequence data is ...
Ana Ramón‐Laca, Ramón Gallego, Krista M. Nichols   +2 more
wiley   +1 more source

Estudio comparativo de supervivencia de seis especies de peces nativos continentales en su medio natural [PDF]

Alternativas, 2020
Se evaluó la supervivencia de seis  especies de peces nativos continentales (Andinoacaras rivulatus , Cichlasoma festae,  Ichthyoelephas humeralis, Brycon dentex.Curimatorbis boulengeri, y Hoplias microhelepis) en su medio natural, en base a los datos de capturas en un rango de cinco años, realizada por ocho empresas de pesca extractiva, en el rio ...
Jorge Rodríguez, Eva Cevallos, Rossy Rodríguez, Yenny Torres, Martin González   +4 more
openaire   +1 more source

Exploring metapopulation‐scale suppression alternatives for a global invader in a river network experiencing climate change

Conservation Biology, Volume 37, Issue 1, February 2023., 2023
Abstract Invasive species can dramatically alter ecosystems, but eradication is difficult, and suppression is expensive once they are established. Uncertainties in the potential for expansion and impacts by an invader can lead to delayed and inadequate suppression, allowing for establishment.
Brian D. Healy, Phaedra Budy, Charles. B. Yackulic, Brendan P. Murphy, Robert C. Schelly, Mark C. McKinstry   +5 more
wiley   +1 more source

Participación comunitaria en la transferencia tecnológica de un sistema acuícola de peces nativos

JAINA Costas y Mares ante el Cambio Climático, 2020
Low-scale aquaculture can be a successful model in rural settings because it can reduce demand for products and job creation, but one of the limiting factors to establish these aquaculture systems is the weakness of the manage-ment of technological processes in fish production by farmers.
L.N. López Jiménez, A. Maldonado Romo, C.A. Álvarez-González, E.S. Peña Marín, A. Fernández-Montes de Oca   +4 more
openaire   +2 more sources

Caracterización del hábitat de peces nativos en el río San Pedro (cuenca del rio Valdivia, Chile) [PDF]

Gayana (Concepción), 2012
En sistemas fluviales, las comunidades biologicas estan estructuradas principalmente por el habitat fisico. Conocer el tipo de habitat que ocupa cada especie a lo largo de su vida es fundamental para comprender su ecologia en sistemas naturales y definir estrategias de conservacion en sistemas alterados.
García, Alex, González, Jorge, Habit, Evelyn   +2 more
openaire   +2 more sources