Un sábalo, una décima gongorina («Sin duda os valdrá opinión») y un destinatario escurridizos
This work identifies the recipient of Góngora’s ten-line stanza «Sin duda os valdrá opinión», proposes a new dating and establishes the circumstances in which it was composed. The epigraph assigned to the poem by Chacón is dismissed as erroneous.
Amelia de Paz
doaj +2 more sources
This study assesses the change in fish exploitation patterns of the sábalo fisheries of the lower Paraná River basin based on hydrological, biological, and fishery indicators. From historical catch records, we recorded a shift from a lightly and moderate
Claudio Baigún +2 more
doaj +2 more sources
Conservation threats and future prospects for the freshwater fishes of Ecuador: A hotspot of Neotropical fish diversity. [PDF]
ABSTRACT Freshwater fish communities in Ecuador exhibit some of the highest levels of diversity and endemism in the Neotropics. Unfortunately, aquatic ecosystems in the country are under serious threat and conditions are deteriorating. In 2018–19, the government of Ecuador sponsored a series of workshops to examine the conservation status of Ecuador's ...
Aguirre WE +15 more
europepmc +2 more sources
Spinitectus asperus and Klossinemella iheringi , intestinal nematodes of Prochilodus lineatus (Pisces, Prochilodontidae) from the alluvial plain of the Middle Paraná River, Argentina [PDF]
Prochilodus lineatus has been considered an ecosystem engineer in the Neotropics given its influence on important ecosystem processes, and it is therefore relevant to understand their inter-specific relationships. The association of P.
SILVINA B. CHEMES +3 more
doaj +1 more source
Feeding habits and trophic level of the Panama grunt Pomadasys panamensis, an important bycatch species from the shrimp trawl fishery in the Gulf of California. [PDF]
The Panama grunt is an abundant and commercially important species in the southeastern Gulf of California, but the research undertaken on this species is scarce despite its ecological and economic importance. We studied the feeding habits of Panama grunt through stomach content analyses as a first step towards understanding the biology of this species ...
Rodríguez-Preciado JA +3 more
europepmc +2 more sources
Localization and distribution of CCK-8, NPY, Leu-ENK-, and Ghrelin- in the digestive tract of Prochilodus lineatus (Valenciennes, 1836) [PDF]
This study describes the histological characteristics and distribution of gastrointestinal tract endocrine cells (ECs) of Prochilodus lineatus (detritivorous fish) using immunohistochemical procedures. The digestive tract of P.
CARLOS E. BARRIOS +4 more
doaj +1 more source
Humoral and haemocytic responses of Litopenaeus vannamei to Cd exposure. [PDF]
White shrimp, Litopenaeus vannamei, subadults were exposed to four dilutions of the 96 h cadmium LC50 reported for postlarvae (PL12) of this species, and the effects were evaluated after 5, 48, and 96 h of exposure. While treatments did not affect survival and hemolymph clotting time increased with time, but not as a response to Cd exposure, the ...
Bautista-Covarrubias JC +5 more
europepmc +2 more sources
La Colocasia Esculenta es un alimento ancestral que ha sido de vital importancia para la alimentación de poblaciones rurales con altos niveles de pobreza, puesto que aporta a la seguridad alimntaria y los reciduos se usan para alimntar animles presenetes
Herman Alberto Revelo Cuaspud +2 more
semanticscholar +1 more source
In order to evaluate the zootechnical parameters for red-tailed tarpon Brycon cephalus fingerlings, in a region other than Amazonia, the evaluation of growth parameters in temperate waters was carried out for 60 days in the port of Ilo, Department of ...
Ehrlich Yam Llasaca Calizaya +2 more
semanticscholar +1 more source
El objetivo de la presente investigación fue rescatar las prácticas ancestrales de siembra amigables con el medio ambiente, para enfrentar el deterioro de la naturaleza y de la Pacha Mama en el resguardo indígena El Gran Sábalo, Barbacoas, Departamento ...
semanticscholar +1 more source

