Results 61 to 70 of about 1,809 (206)

A contribution to the checklist of fishes of San Luis province, Argentina [PDF]

open access: yes, 2015
San Luis province presents arheic and endorheic basins that are poorly understood in terms of their ichthyological composition. The samples taken recently from the main basins of this province have yielded data of undisputed biogeographic value for the ...
Bogan, Sergio   +5 more
core   +4 more sources

Persisting at the Edge of Ecological Collapse: The Impact of Urbanization on Fish and Amphibian Communities From Lake Xochimilco

open access: yesEnvironmental DNA, Volume 7, Issue 4, July–August 2025.
ABSTRACT Freshwater ecosystems are globally threatened by habitat loss, pollution, and invasive species, all of which are particularly acute in urban areas. To assess the impacts of urbanization on freshwater biodiversity—specifically the effects of alien species on native primary aquatic vertebrates—we investigated the World Heritage Site, Lake ...
Alejandro Maeda‐Obregon   +12 more
wiley   +1 more source

Comparison of community structure of mangrove and riprap rock habitats along urban coastlines of south Florida [PDF]

open access: yes, 2013
Globally, mangrove ecosystems have substantially declined, largely a result of human impacts. Mangroves provide a number of ecosystem services such as shoreline stabilization and nursery habitat for fish species.
Peters, Joseph R
core  

Growth of the silverside Atherinella brasiliensis in a subtropical estuary with some insights concerning the weight-length relationship

open access: yesAnais da Academia Brasileira de Ciências
Specimens of Brazilian silverside (Atherinella brasiliensis, n=9672) with a length range of 1.5 to 14.2 cm were captured in the intertidal areas of the Estuarine Complex of Paranaguá, Brazil, between August 2010 and July 2011.
BARBARA M. DE CARVALHO   +3 more
doaj   +1 more source

Arsénico. Del agua a los alimentos [PDF]

open access: yes, 2015
Defined as the king of poisons or "poison of kings", arsenic (As) is one of the most widely distributed elements in the environment. Its origin is associated with different geological environments or human activities. In Argentina, different studies have
Fernandez Cirelli, Alicia   +2 more
core  

Spatial and Ontogenetic Patterns in the Trophic Ecology of Two Predatory Fishes in a Large River

open access: yesEcology of Freshwater Fish, Volume 34, Issue 1, January 2025.
ABSTRACT Fishes use a variety of physical and biological resources that shift ontogenetically, seasonally and spatially. Quantifying what resources such as prey are required for persistence can improve understanding of ecological needs of fishes and riverine macrosystem functioning.
Shaley A. Valentine   +1 more
wiley   +1 more source

Desarrollo de la sagitta en juveniles y adultos de Odontesthes argentinensis (Valenciennes, 1835) y O. bonariensis (Valenciennes, 1835) de la provincia de Buenos Aires, Argentina (Teleostei: Atheriniformes) Development of the sagitta in young and adults of Odontesthes argentinensis (Valenciennes, 1835) and Odontesthes bonariensis (Valenciennes, 1835) from Buenos Aires province, Argentina (Teleostei: Atheriniformes)

open access: yesRevista Chilena de Historia Natural, 2005
Se describió el desarrollo del otolito Sagitta de juveniles y adultos de Odontesthes argentinensis procedentes de Punta Rasa (36°22' S) y Miramar (38°16' S) y de Odontesthes bonariensis de la Laguna de Chascomús (35° 36' S).
ANDREA D TOMBARI   +2 more
doaj  

Physico-chemical characteristics of water and ichthyofauna composition of the Piedras Moras reservoir (Córdoba, Argentina) [PDF]

open access: yes, 2017
El embalse Piedras Moras (32°10,13’S, 64°16,50’W) es el último de una serie de seis que se han construido sobre la cuenca del río Tercero en la provincia de Córdoba (Argentina).
Biolé, Fernanda Gabriela   +3 more
core   +1 more source

eDNA Metabarcoding Analysis of Bony Fish Identification in Coastal Water of Gulf of Maine Using Nested Polymerase Chain Reaction of 12S rRNA Universal Primers

open access: yesEnvironmental DNA, Volume 6, Issue 6, November–December 2024.
ABSTRACT Ecosystems in coastal waters of Gulf of Maine (GOM) are undergoing environmental challenges in response to climate change and anthropogenic stressors. eDNA metabarcoding, a powerful tool for assessing the fish community structure, was used to identify fish communities in three types of GOM aquatic environments (sand, macroalgae, and eelgrass ...
Bo‐Young Lee   +4 more
wiley   +1 more source

Tolerancia salina y rendimiento pesquero del pejerrey Odontesthes bonariensis (Actinopterygii; Atherinopsidae) en un lago somero de la Argentina

open access: yesEcología Austral, 2022
El pejerrey —Odontesthes bonariensis (Actinopterygii; Atherinopsidae)— es la especie más importante en las pesquerías de la Argentina por su amplia distribución, gran demanda y aporte de proteína.
Omar Del Ponti, Miguel Mancini
doaj   +1 more source

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