Biological invasions create complex ecological and societal issues worldwide. Most of the
knowledge about invasions comes only from successful invaders, but less is known about …

The absence of much literature on the Patagonian fish fauna in comparison with that of the
neotropics, has previously been blamed on its poor species diversity. Knowledge of the …

The exponential growth of the salmonid farming industry during the last 3 decades has
created conditions for massive escapes of these exotic species into natural environments in …

Individual performance defines population dynamics. Condition index–a ratio of weight and
some function of length–has been louded as an indicator of individual performance and …

La relación longitud-peso y el factor de condición (K) son descriptores de gran interés en la
biología de poblaciones de peces, ya que aportan información fundamental sobre …

Rainbow (Oncorhynchus mykiss) and brown trout (Salmo trutta) are widespread and
invasive salmonids with important lethal effects as predators, although indirect effects are …

Abstract The Suquía River middle-lower basin (Córdoba, Argentina) is subjected to a strong
anthropogenic impact because it receives pollutants from different sources. The main goal of …

Species introductions threaten ecosystem function worldwide, and interactions among
introduced species may amplify their impacts. Effects of multiple invasions are still poorly …

Salmonid fishes, native to the northern hemisphere, have become naturalized in many
austral countries and appear linked to the decline of native fishes, particularly galaxiids …

Analyses of the dynamics of exploited marine populations show that population variations
and tendencies are as often related to recruitment outcomes as to the anthropogenic effects …