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Esmeralda Pereira

Esmeralda Pereira
MARE-Marine and Environmental Sciences Centre

MS

About

17
Publications
1,274
Reads
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66
Citations
Citations since 2016
15 Research Items
66 Citations
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201620172018201920202021202205101520
Education
September 2012
Technical University of Lisbon / University of Évora
Field of study
  • Natural Resources Management and Conservation
September 2009 - June 2012
University of Évora
Field of study
  • Biology

Publications

Publications (17)
Article
Full-text available
Citation: Silva, A.F.; Horta e Costa, B.; Costa, J.L.; Pereira, E.; Marques, J.P.; Castro, J.J.; Lino, P.G.; Candeias-Mendes, A.; Pousão-Ferreira, P.; Sousa, I.; et al.
Presentation
Full-text available
The European catfish (Silurus glanis) is a non-native species with invasive character to Iberian freshwaters. Being the largest fish species in those invaded water bodies, with high fecundity rates, a large life expectancy and an extraordinary predatory potential, S. glanis has all the indicators that it could be exerting a dangerous pressure on na...
Presentation
Full-text available
Allis shad (Alosa alosa L.) populations have suffered declines and even regional extinction across their distribution range, mainly due to river impoundment, overexploitation, and pollution. In Portugal, the species is classified as Endangered (EN). This fish is regarded as a valuable delicacy, and commercial fisheries dedicated to this species in...
Presentation
Full-text available
The Iberian barbel (Luciobarbus bocagei Steindachner, 1864) and the Iberian nase (Pseudochondrostoma polylepis Steindachner, 1864) are two potamodromous species that migrate upstream in freshwater environments to reproduce. Thus, river fragmentation is a major threat to these species, and fish passes are one of the most-used mitigation measures to...
Conference Paper
Full-text available
Marine Protected Areas (MPAs) have played an important role in the protection of endangered species such as the dusky grouper (Epinephelus marginatus), and the no-take areas have been particularly crucial for this purpose. Yet, despite the establishment of no-take areas and the legislation banning dusky groupers’ catches since 2011 in a southwester...
Article
The thinlip grey mullet (Chelon ramada Risso, 1827) is a catadromous fish that performs massive migrations to freshwater habitats for feeding purposes that can assume a structuring role on riverine ecology due to the biomass involve in these movements. Seasonal movements of thinlip grey mullet through a vertical slot fish pass located in River Mond...
Article
Fish pass monitoring is essential to ensure the device´s effectiveness as a mitigation measure for river impoundment, guaranteeing the longitudinal continuity of rivers, which is particularly important for diadromous fish that depend on obligatory migrations to freshwater reproduction (anadromous) or feeding areas (catadromous) to complete their li...
Article
Understanding the relationship between a species and its habitats is important for both conservation of imperiled species and control of invasive species. For migratory species, we hypothesize that maintaining connectivity between segregated habitats is more important than improving the quality of each habitat. In the case of anadromous lampreys of...
Article
Movement of sea lamprey through a vertical‐slot fishway (built at the Coimbra dam, in central Portugal) was continuously monitored between 2013 and 2016 by a video recording system. Visual counts data was used to quantify the overall successful movements and identify seasonal and circadian patterns of fishway use. Explicative models (BRT ‐ Boosted...
Article
Full-text available
In 2011, a vertical-slot fish pass was built at the Coimbra Açude-Ponte dam (Mondego River, Portugal), approximately 45km upstream from the river mouth. The performance of this infrastructure for sea lamprey passage was evaluated between 2011 and 2015 using several complementary methodologies, namely radio telemetry [conventional and electromyogram...
Article
In 2011, the construction of a vertical slot fishway at the Açude-Ponte dam in Coimbra, has allowed the migration of adult sea lampreys (Petromyzon marinus L.) to important upstream spawning areas that were unreachable for the last 30 years. In the present study, conventional radio and sensor (electromyogram) telemetry was used to evaluate the migr...

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Projects

Projects (2)
Project
Diadromous fish are threatened by human activities and climate change. Their Atlantic distribution is changing, causing new socio-economic and ecological interactions among Atlantic Area territories. In this context, DiadES will enhance ecosystem services relevant to these transnational resources by laying down common rules for managing diadromous fish under present and future climatic conditions and promoting increased regional cooperation for the conservation and exploitation of these species.
Project
The main goal of this project is to propose a management plan for small-to-medium reservoirs from Alentejo that can promote them for recreational fisheries. This plan will be directed for (i) the promotion of a sustainable fisheries production, especially of the more interesting species for anglers (e.g., carp, largemouth bass); (ii) the prevention of massive mortality phenomena in periods of water scarcity; and (iii) the integration of non-indigenous fish species, which normally are highly abundant on these ecosystems, in fisheries management programs.