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Mostrando ítems 181-190 de 215
Riqueza e abundãncia do plâncton em diferentes situações hidrológicas em lagoas laterais a um rio: Um estudo de caso na zona de desembocadura de um tributário em um reservatório tropical
(2011-09-01)
A descriptive analysis of the responses of plankton from lakes lateral to a river in its mouth zone into a tropical reservoir to water level variations is presented. Three situations were reported: 1) a comparison of species ...
Anuros da Reserva Natural Salto Morato, Guaraqueçaba, Paraná, Brasil
(Instituto Virtual da Biodiversidade (BIOTA/FAPESP), 2012-12-01)
O objetivo do presente estudo é apresentar a lista de espécies de anfíbios da Reserva Natural Salto Morato (RNSM), uma reserva de Mata Atlântica no Estado do Paraná, sul do Brasil. O parque está localizado no litoral norte ...
Spatial and temporal patterns of diversity and distribution of the Upper Jurua River fish community (Brazilian Amazon)
(Kluwer Academic PublDordrechtHolanda, 2000)
Trophic relationships between macroinvertebrates and fish in a pampean lowland stream (Argentina)Relaciones tróficas entre los macroinvertebrados y peces en un arroyo de la llanura pampeana (Argentina)
(Fundaçao Zoobotanica Rio Grande Sul, 2013-03)
Se evaluó la dieta y las relaciones tróficas entre los macroinvertebrados Phyllogomphoides joaquini Rodrigues Capítulo, 1992 y Coenagrionidae (Odonata), Chironomidae (Diptera), Diplodon delodontus (Lamarck, 1919) (Bivalvia: ...
A habitat suitability model for capybara (hydrochoerus hydrochaeris) at its core area in Argentina
(Mongaby.com e-journal, 2015-03)
Habitat loss is one of the main factors reducing wildlife diversity and restricting its conservation. Habitat suitability models are important tools for wildlife management and conservation in order to evaluate the impacts ...
Composition and diversity of Ephemeroptera (Insecta) nymph communities in the middle section of the Jacuí River and some tributaries, southern Brazil
(Fundação Zoobotânica do Rio Grande do Sul, 2008)
The taxonomic composition and diversity of assemblages of Ephemeroptera nymphs of four lotic environments in the central region of State of Rio Grande do Sul, a subtropical area in southern Brazil, were evaluated. Samplings ...
Trophic position of bottom-feeding fish in the Upper Paraná River floodplain
(Instituto Internacional de Ecologia, 2009)
The δ15N composition of bottom-feeding fish (iliophagous = Apareiodon affinis, Cyphocharax nagelii, Prochilodus lineatus, Steindachnerina brevipinna and S. insculpta; detritivorous = Loricariichthys platymetopon and ...
Composition and structure of aquatic insect assemblages of Yungas mountain cloud forest streams in NW ArgentinaComposición y estructura de asociaciones de insectos acuáticos de arroyos de selva nublada de Yungas del NO Argentino
(Sociedad Entomológica Argentina, 2007-12)
Treinta y tres ambientes lóticos en las selvas nubladas de montaña de las Yungas del NO Argentino, fueron muestreados tanto en ambientes no modificados como alterados por actividades humanas. Insectos acuáticos de 143 ...
Stoichiometric homeostasis in the food web of a chronically nutrient-rich stream
(University of Chicago Press, 2014-06)
The theory of ecological stoichiometry holds that heterotrophs are mostly homeostatic and exhibit less variation in body stoichiometry than do autotrophs. Most studies of stream foodweb stoichiometry have been done in ...