Results 11 to 20 of about 15,639 (199)

Sobrevivir a la incertidumbre: Biodiversidad, adaptación y fluctuación ambiental en rotíferos

open access: yesMètode Science Studies Journal: Annual Review, 2020
El estudio de la evolución frente a la incertidumbre ambiental es crucial para entender la diversidad biológica, ya que diversificar las estrategias de vida es clave para sobrevivir y reproducirse en un ambiente incierto.
Manuel Serra   +3 more
doaj   +1 more source

Planktonic rotifers of a saline-lowland river : The Salado River (Argentina) [PDF]

open access: yes, 2002
Seasonal samples of zooplankton were taken during 1997-1999 at fifteen stations in the Salado River basin, and analysed in order to study the rotifer fauna. Spatio-temporal changes in the rotifer plankton composition were examined in the main channel and
Claps, Maria Cristina   +2 more
core   +2 more sources

Occurrence and toxicity of Microcystis aeruginosa (Cyanobacteria) in the Paraná River, downstream of the Yacyretá dam (Argentina) [PDF]

open access: yes, 2016
Cyanobacteria constitute the main toxin producers in inland water ecosystems and have extensive global distribution. The presence of hepatotoxins in aquatic environments is hazardous to human and animal health; even though the presence and identification
Andrinolo, Dario   +3 more
core   +3 more sources

First record of Lophodinium polylophum (Daday) Lemmermann 1910 (Dinophyceae: Lophodiniaceae) in Peru

open access: yesRevista Peruana de Biología, 2015
Herein, the first record of Lophodinium polylophum from Peru is presented. This fresh water dinoflagellate was identified in plankton samples from the lagoon Picoplancha of Santuario Nacional Pampas del Heath (Madre de Dios) and from a stream in the ...
Iris Samanez
doaj   +1 more source

Nuevos cladoceros para las aguas argentinas - II

open access: yesActa Zoológica Lilloana, 2022
El autor cita por primera vez para la Argentina los siguientes Cladoceros: Latonopsis breviremis Daday 1905, L. fasciculata Daday 1905; Dunhevedia odonthoplax Sars 1901, Chydorus globosus Baird 1850, cap. barroisi (Richard) 1894 y cap.
Alicia Martínez de Ferrato
doaj  

Fish Larvae Response to Biophysical Changes in the Gulf of California, Mexico (Winter‐Summer)

open access: yesJournal of Marine Sciences, Volume 2013, Issue 1, 2013., 2013
We analyzed the response of fish larvae assemblages to environmental variables and to physical macro‐ and mesoscale processes in the Gulf of California, during four oceanographic cruises (winter and summer 2005 and 2007). Physical data of the water column obtained through CTD casts, sea surface temperature, and chlorophyll a satellite imagery were used
Raymundo Avendaño-Ibarra   +5 more
wiley   +1 more source

Ocorrência de Auricula complexa (Bacillariophyceae) na plataforma continental de Pernambuco

open access: yesActa Botânica Brasílica, 1989
Aurícula complexa (Gregory) Cleve (Auriculaceae, Bacülariophyceae) é assinalada pela primeira vez para as águas costeiras de Pernambuco, NE do Brasil. A espécie foi encontrada em amostras de plancton, coletadas durante o período de março/87 a fevereiro ...
Núbia Abrantes Gomes   +2 more
doaj   +1 more source

ANÁLISIS DE LAS CONDICIONES DEL BENTOS EN ESTANQUES FERTILIZADOS CON TRES TRATAMIENTOS Y CON POLICULTIVOS PISCÍCOLAS

open access: yesEcosistemas y Recursos Agropecuarios, 2014
Para obtener el articulo completo pueden contactar al editor de la revista Ecosistemas y Recursos Agropecuarios en el siguiente correo era@ujat.mx y se les enviará sin ningún costo.
Héctor Quiroz Castelan   +2 more
doaj   +1 more source

Biodiversidad de Polychaeta (Annelida) en México

open access: yesRevista Mexicana de Biodiversidad, 2013
La fauna mexicana contiene 1 500 especies de poliquetos incluidas en 63 familias y 460 géneros. Las 10 familias con mayor número de especies son Nereididae (89), Syllidae (83), Sabellidae (80), Spionidae y Terebellidae (77 c/u), Eunicidae (76 ...
María Ana Tovar Hernández   +4 more
doaj   +1 more source

The distribution, abundance, and ecology of larval tunas from the entrance to the Gulf of California [PDF]

open access: yes, 1970
ENGLISH: This study is based on collections of larvae of Thunnus albacares, Euthynnus llneatus, and Auxis sp. obtained from surface and oblique net tows made during seven cruises, each along a comparable track in the entrance of the Gulf of California ...
Klawe, Witold L.   +2 more
core  

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