[PDF] Top 20 Effects of dredging and macrophyte management on the fish species composition in an old Neotropical reservoir

... to the global freshwater biodiversity, which can be grouped into five interacting categories: overexploitation, water pollution, flow modification, destruction or degradation of habitat, and ... See full document

... reports an investigation of limnological characteristics and aquatic macrophyte occurrence in a neotropical reservoir in order to assess the spatio-temporal ... See full document

... how the introduction of Cichla kelberi in Rosana Reservoir (Paranapanema River) affected the native ...Data on the structure of the small fish fauna ... See full document

... In the Neotropics, a large proportion of fish communities of large rivers use floodplain as habitats for feeding, reproduction, and ...refuge. An evaluation was made ... See full document

... Virus and plant material, CMV inoculation and detection The CMV strain LS-CMV used in this work was derived from biologically active cDNA clones [42] (Accession numbers AF416899, AF416900 ... See full document

... arms of the Itaipu Reservoir, ...for the experiment because leaf drying fractures mem- branes and alters the cuticle, rendering the leaf more susceptible to attack by ... See full document

... incidence of postsurgical complications was observed in our ...throughout the experiment (1/80, 1.3%), approximately 21% of all tagged fish had some complication following ...surgery. ... See full document

... way, the fish lift can be considered to have a low selectivity in relation to species, but it also showed diffi- culty in capturing small-sized ...individuals. The mesh size ... See full document

... submerged in aerated aquariums (20 L), divided with netting in order to maintain chemical contact but to prevent any physical interaction between males and females (the water passed through ... See full document

... permanence of certain previously existing ...that fish species inhabiting reservoirs are those possessing morphologies that allow behavioral plasticity, or those adapted to cope with new conditions ... See full document

... Decreases in transparency and oxygen content in the water may also occur in the entire floodplain in periods of high water levels, even in river channels ... See full document

... used on the tools for cutting, for dies and knives, for stamping and drawing tools, hobs, thread rolling tools and in many other applications due to her typical properties - high ... See full document

... zones of fish assemblages in the Ivinhema River basin, corroborated with the indicator values (Indval) result; streams located above 430 m differ from streams below this altitude ... See full document

... )n the context of the cohesion policy, solidarity must represent a support for development ...self‐help and its success depends a great deal on the capacity and the ... See full document

... measurement of pulse wave velocity along the aorta, the largest elastic artery, as a marker of arterial ...stifness. In recent years the new concept of early vascular ... See full document

... presence of water moving around the fish determines the action of many forces on its body, such as ...buoyancy. The water movements generate more forces, ...force ... See full document

... be the password of length „T‟ characters. The password could be of any length and any combination of characters like lower case letters, upper case letters, and special ... See full document

... In an attempt to mitigate the effects of the hatchery environment on the phenotype of stocked fish and to increase the post-release ... See full document

... results of this work showed evidence of the importance of limnological studies with protozoan, as well as the analysis of the results considering the species ... See full document

... Assessment of biodiversity is fundamental for the understanding of ecological interactions, but fish parasites were neglected in biodiversity estimates for a long ...time. The ... See full document