Urban wastewater effluents bring large amounts of nutrients, organic matter and organic
microcontaminants into freshwater ecosystems. The effects of this complex mixture of …

Trophic interactions are important factors structuring animal communities. We assessed the
trophic relations of four fish species that live in sympatry in the River Ladra (NW Spain), and …

The critical factor in restoration and conservation of urban streams and their catchments is
the human population, however the most of studies of urban ecosystems do not present …

Los macroinvertebrados son un importante componente biológico de los ríos, ya que están
vinculados, activamente, en el flujo de materia y energía. El objetivo del estudio fue …

The present continuous anthropogenic pressure has resulted in an enhancement of nutrient
inputs into rivers and streams. This situation has worsened, mainly in agricultural areas …

En este estudio se caracteriza el ensamble de macro invertebrados en bañados de
desborde fluvial de cuatro arroyos pampeanos bonaerenses con diferentes actividades en …

Field studies were conducted to examine intra-specific diet variation in a population of
brown trout (Salmo trutta L.) in a temperate area (River Tormes, Central Spain) during the …

Los ambientes acuáticos urbanos están altamente afectados por la contaminación de
origen puntual o difuso. Este trabajo tuvo como objetivo determinar el impacto antrópico en …

One of the most important effects derived from the intensive land use is the increase of
nutrient concentration in the aquatic systems due to superficial drainage. Besides, the …

Introducción: La presencia y estructura de la vegetación en áreas urbanas tiene un impacto
en la composición de las comunidades de aves. Las áreas verdes con una mayor …