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Macroinvertebrate communities reveal regional asymmetries in riverine ecosystem...

Santos, Joana Isabel; Silva, Carlos; Gonçalves, Fernando J. M.; Pereira, Joana Luísa; Castro, Bruno B.

Climate change has been increasing the frequency and severity of drought periods. There is a need to understand how this water scarcity affects aquatic communities. The main aim of this work was to compare the macroinvertebrate communities and their bioindicator value (ecological status sensu the Water Framework Directive) in three Regions [northeast (N), central (C) and south (S)] of Portugal along a water ava...


Macroinvertebrate community structure and ecological status in Portuguese strea...

Santos, Joana Isabel; Silva, Carlos; Goncalves, Fernando J. M.; Pereira, Joana Luísa; Castro, Bruno B.

Climatic and hydrological variation is of utmost importance in regions of the globe facing water scarcity and river intermittency (e.g. areas under Mediterranean influence). The main aim of this study was to compare the macroinvertebrate community structure and its bioindicator value (i.e. waterbody ecological status) in streams from three Portuguese regions (Regions C, N and S), representing distinct climatic ...


Challenges to water quality assessment in Europe – Is there scope for improveme...

Santos, Joana Isabel; Vidal, Tânia; Gonçalves, Fernando J. M.; Castro, Bruno B.; Pereira, Joana Luísa

The EU Water Framework Directive (WFD) assessment scheme has been putting in force the evaluation of freshwater ecosystems in Europe, including a new paradigm of ecological status. After almost 20 years since the WFD implementation, it is imperative to evaluate the efficiency of its standard assessment scheme and to explore the possibility of learning how to improve its effectiveness. That is the spirit of this...


Invasive Asian clam distribution pattern reveals minimal constraints to downstr...

Pereira, Joana Luísa; Vidal, Tânia; Mendes, Cristiana; Ré, Ana; Santos, Joana Isabel; Gonçalves, Fernando; Castro, Bruno Branco

The Asian clam Corbicula fluminea is an invasive freshwater species that can cause adverse ecological and economic impacts. Information on its dispersal abilities, ecological preferences and impacts may contribute towards the improvement of management strategies, including those relating to regulatory demands such as the European Water Framework Directive (WFD). Both the above perspectives were addressed throug...


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