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53.539  Articles
1 of 5.355 pages  |  10  records  |  more records»
The aim of this study is to characterize some population biology parameters of P. squamosissimus, A. altiparanae and S. maculates, the dominant fish species of the Santa Bárbara river, a tributary of the Nova Avanhandava reservoir, low Tietê river. Fish s... see more

Any species in new life conditions passes through several phases or stages of naturalization. Information about time of these phases is important for analysis of changes in invader population and understanding of the role of alien species in analysed wate... see more

Gillnet is the most common fishing gear used by fishers in Ir. H. Djuanda Reservoir. Currently, gillnet catches are dominated by midas cichlid (Amphilophus citrinellus) which is not the main target catch. To some extent, their presence is even considered ... see more

Small rodents are increasingly used as model animals in disease ecological research.  However, many students in the field have an inadequate knowledge of the significance of demographic heterogeneity of reservoir rodent populations and how that affec... see more

The aim of this article is to analyze the consequences of the military invasion of the Russian Federation on February 24, 2022 on the water bodies of Ukraine. In particular, this article presents an analysis of the consequences of military opera... see more

Small rodents are increasingly used as model animals in disease ecological research.  However, many students in the field have an inadequate knowledge of the significance of demographic heterogeneity of reservoir rodent populations and how that affec... see more

The creation of reservoirs in river valleys for the accumulation of fresh water has been and remains an important issue around the world. This process has both positive and negative consequences for people and nature. Significant changes in the regime of ... see more

Phosphorus is an essential element for life and, when scarce, this macronutrient is a limiting factor for primary production. Phosphorus (P) is a widely used element in the composition of fertilizers, besides being present in large quantities in domestic ... see more

This work aims to evaluate the degree of sediment contamination and the response of Testate amoebae populations through a sediment core taken from the Salto Grande Reservoir (RSG), situated in Americana, in São Paulo State (SP), Brazil. It is based on the... see more

1 of 5.355 pages  |  10  records  |  more records»