Results 51 to 60 of about 172 (137)
Heavy metals concentration in fishes are important indicator geomorphological or environmental integrity in aquatic habitats. Aiming to evaluate metal concentration in fish muscles in Apa River, upper Paraguay basin, we analyzed 124 individuals of eight ...
Yzel Rondon Súarez +2 more
doaj +3 more sources
The aquatic habitats of the Taquari-Antas river basin (in the Patos Lagoon basin, southern Brazil) are under marked environmental transformation because of river damming for hydropower production.
FG. Becker +8 more
doaj
En el presente trabajo se exponen los resultados obtenidos durante cinco años consecutivos de muestreos de boga Leporinus obtusidens en dos puntos del río Paraná, Argentina, considerando a uno de ellos como zona de impacto de la represa Yaciretá y otro sitio, lejano a la misma, como zona control.
Flores Quintana, Carolina Isabel +4 more
openaire +3 more sources
Fishing in the area of Cachoeira de Emas dates from the aboriginal Painguás who inhabited its margins. The socioeconomic conditions of the fishers and fishing are described, derived from personal interviews with 33 fishers.
J. Peixer, M. Petrere Júnior
doaj +1 more source
Fishes of the Taquari-Antas river basin (Patos Lagoon basin), southern Brazil
The aquatic habitats of the Taquari-Antas river basin (in the Patos Lagoon basin, southern Brazil) are under marked environmental transformation because of river damming for hydropower production.
FG. Becker +8 more
doaj +1 more source
Substituição do farelo de soja pelo farelo de linhaça em dietas para a piava (Leporinus obtusidens)
The aim of this study was evaluate the replacement of soybean meal by linseed meal on growth of piava juveniles. The experiment was carried on fish farming laboratory of UFSM/CESNORS, on March to April, 2011. They were used 360 fish, (initial weight = 9.0 ± 2.5 g), which placed in a water re-use system composed by 15 tanks (250L), with mean temperature
Dirleise Pianesso +6 more
openaire +2 more sources
O presente trabalho tem como objetivo relatar novos registros de peixes não-nativos no sistema estuarino-lagunar do rio Tramandaí (SELT) e apresentar uma revisão das espécies de peixes invasoras na Bacia Hidrográfica do Rio Tramandaí (BHRT), no litoral ...
Rodrigo Machado +4 more
doaj +1 more source
Diversity of Nematoda and Digenea from different species of characiform fishes from Tocantins River, Maranhão, Brazil. [PDF]
Cárdenas MQ +3 more
europepmc +1 more source
Secuencias del gen mitocondrial para identificación de especies de animales
Marcadores moleculares basados en el ADN mitocondrial (ADNmt) tienen herencia materna y se pueden utilizar para evaluar relaciones filogenéticas y taxonómicas.
JOYCE AZAMBUJA DE OLIVEIRA, +6 more
doaj +1 more source
Twenty polymorphic microsatellite markers were developed for the Neotropical fish Leporinus obtusidens using a next generation sequencing approach and tested in two other characifomes species, Schizodon platae and Prochilodus lineatus. Microsatellite loci alleles in L.
Villanova, Gabriela Vanina +5 more
openaire +3 more sources

