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Predation relationships between introduced salmonids and the native fish fauna in lakes and reservoirs in northern Patagonia
Present predation relationships among native and introduced fishes are studied and possible effects upon native fish fauna are postulated and predation on Diplomystes appears to be restricted to salmonids.
Predator associated morphology in Galaxias platei in Patagonian lakes
Among 158 Galaxias platei individuals, collected from nine deep Andean lakes and from one shallow lake on the Patagonian steppe, morphological characters associated with caudal fin length were…
Quantifying Predation on Galaxiids and Other Native Organisms by Introduced Rainbow Trout in an Ultraoligotrophic Lake in Northern Patagonia, Argentina: A Bioenergetics Modeling Approach
Exotic rainbow trout Oncorhynchus mykiss support an economically valuable recreational fishery in Patagonia but also create concern for impacts on native organisms, as well as losses of different prey from predation by rainbow trout in Lake Moreno, Rio Negro Province, Argentina.
Body shape variation of three species of Percichthys in relation to their coexistence in the Limay River basin, in northern Patagonia
- V. Cussac, D. Ruzzante, M. A. Denegri
- Environmental ScienceEnvironmental Biology of Fishes
- 1 October 1998
The direction of morphological changes in trophic-related characters in P. trucha and P. vinciguerrai is consistent with the hypothesis of character shift due to interspecific competition.
Modelling and management options for salmonid sport fisheries: A case study from Patagonia, Argentina
Fil: Rechencq, Magali. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y…
Cephalometric predictors of hypernasality and nasal air emission
- M. A. Denegri, Patrick Pedreira Silva, M. Pegoraro-Krook, T. Ozawa, R. Yaedu, J. Dutka
- MedicineJournal of Applied Oral Science
- 11 October 2021
Estimated with cephalometric radiographs, a depth:length ratio greater than 0.93, between the nasopharyngeal space and the velum, was 100% accurate in predicting hypernasality and nasal air emission after primary repair of unilateral cleft lip and palate.
Comparative analysis between gill netting and sport fisher catches in a small patagonic andean lake: its implications for resource evaluation and management
Knowledge of lake fish communities of Argentine Patagonia has grown in the past 20 years thanks to the use of gill nets. However, National Park officials and Fisher organizations dislike their use…