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Feeding frequency, prey acceptance, and natural diet of the mygalomorph spider acanthogonatus centralis goloboff 1995 (Araneae: Nemesiidae)
(Academia Sinica, 2018-06)
The family Nemesiidae is the second most diverse family of Mygalomorphae spiders. Acanthogonatus centralis (Nemesiidae) is commonly found in hilly areas of central Argentina. These spiders are considered generalists due ...
Tramas tróficas y régimen hidrosedimentológico en el valle de inundación del río Paraná medio: el cangrejo Trichodactylus borellianus como modelo de estudio
(2014-10-06)
El régimen hidrosedimentológico ejerce una fuerza estructuradora en las comunidades acuáticas promoviendo cambios estacionales en la dieta natural, la oferta trófica, la presencia de depredadores y, consecuentemente, en ...
Human-modified landscapes narrow the isotopic niche of neotropical birds
(Springer, 2021-04-09)
Deforestation and habitat loss resulting from land use changes are some of the utmost anthropogenic impacts that threaten tropical birds in human-modified landscapes (HMLs). The degree of these impacts on birds' diet, ...
Predation ability of freshwater crabs: age and prey-specific differences in Trichodactylus borellianus (Brachyura: Trichodactylidae)
(Taylor & Francis, 2013-06)
Freshwater crabs are rarely represented in food webs and their role in these ecosystems has been largely ignored. Trichodactylus borellianus is an omnivorous crab species that has a diverse natural trophic spectrum. This ...
Gut evacuation time of macrobrachium borellii (Caridea: Palaemonidae) feeding on three types of prey from the littoral-benthic community
(Crustacean Society, 2011-10)
Gut evacuation time is a very useful parameter that allows us to understand the daily trophic cycle of a predator. Macrobrachium borellii is an inhabitant of the littoral-benthic community of the Paran River system that ...
Mercury and selenium in the food web of Lake Nahuel Huapi, Patagonia, Argentina
(Pergamon-Elsevier Science Ltd, 2017-01)
Despite located far from point sources of Hg pollution, high concentrations were recorded in plankton from the deep oligotrophic Lake Nahuel Huapi, located in North Patagonia. Native and introduced top predator fish with ...
Ontogenetic predation capacity of Macrobrachium borellii (Caridea: Palaemonidae) on prey from littoral-benthic communities
(Sociedade Brasileira de Carcinologia, 2011)
Macrobrachium borellii is an abundant prawn of the Paraná River floodplain. Newly hatched juveniles have the general characteristics of adults, and they are proposed to have the same feeding habits. Its natural diet is ...
Dinámica de la dieta de Asplanchna girodi (De Guerne, 1888) en un embalse tropical, Colombia
(Universidad de los Llanos, 2018-12-16)
Las interacciones bióticas como depredación, forrajeo y herbivoría han sido generalmente catalogadas como las fuerzas que determinan las variaciones espaciales y temporales de las poblaciones planctónicas, tanto de presas ...