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I'm an aquatic ecologist interested in how biotic and environmental factors shape body size distributions in freshwater food webs across interacting trophic levels. My study includes different approaches from mesocosm experiments to environmental monitoring in order to investigate prey-predator interactions, energy transfer and ecosystem functioning in aquatic ecosystems.
July 2019 - present
Universidade de Évora
- PostDoc Position
1. Trophic cascade studies have so far mostly focused on changes in the abundance, biomass, or average size of prey and predators. In contrast, individual size-based interactions, playing a key role in the trophic structure and functioning of aquatic ecosystems, have been less explored. 2. We conducted a 3-month in situ experiment in Lake Myvatn, I...
Planktivorous fish predation directly affects zooplankton biomass, community and size structure, and may indirectly induce a trophic cascade to phytoplankton. However, it is not clear how quickly the zooplankton community structure and the cascading effects on phytoplankton recover to the unaffected state (i.e. resilience) once short-term predation...
Submerged macrophytes are of key importance for the structure and functioning of shallow lakes and can be decisive for maintaining them in a clear water state. The ongoing climate change affects the macrophytes through changes in temperature and precipitation, causing variations in nutrient load, water level and light availability. To investigate h...
Human-induced salinization increasingly threatens inland waters; yet we know little about the multifaceted response of lake communities to salt contamination. By conducting a coordinated mesocosm experiment of lake salinization across 16 sites in North America and Europe, we quantified the response of zooplankton abundance and (taxonomic and functi...
Human-induced salinization caused by the use of road deicing salts, agricultural practices, mining operations, and climate change is a major threat to the biodiversity and functioning of freshwater ecosystems. Yet, it is unclear if freshwater ecosystems are protected from salinization by current water quality guidelines. Leveraging an experimental...
Body size is a key trait of an organism which determines the dynamics of predator–prey interactions. Most empirical studies on the individual size distribution of the aquatic community have focused on the variations in body size of a single trophic level as a response to certain environmental variables or biotic factors. Few studies, however, have...
Effects of fish predation on consumers tend to be particularly strong in oligotrophic Arctic and sub-Arctic lakes. However, it remains unclear whether the fish influence the trophic structure and dynamics of naturally eutrophic lakes in these cold environments with simple food web structures. To study this, we conducted a 3-month in situ-controlled...
SEFS11 - EFYR Workshop As a young researcher one confronts the question of, what are your plans? We know it is a hard question, sometimes because there are many doors open but nothing set, and in other cases because one does not know where to start In this workshop, based on an online survey, we will discuss how academic career paths have changed over time, and the new challenges, opportunities, potential careers faced by researchers.
The Urban algae project aims to study the ecological status of urban ponds and their ecosystem services together with the citizen´s perceptions. To this end, we will combine a sampling campaign during the summer 2018 in multiple locations across Europe with an online citizen survey questionnaire. With this set-up, we want to know what the public thinks about their ponds and if this is related to the ecological status of the relevant ponds. The second important goal of this initiative is to create an international collaborative network, encouraging young and early career scientists in Europe. This project provides an excellent chance to actively participate in an interdisciplinary project and meet other young researchers!
EFYR (European and Fresh Young Researchers) invites proposals for a project to be supported by the European Federation of Freshwater Sciences (EFFS). The call has been developed as a joint effort of the EFFS board, the European Fresh and Young Researchers (EFYR) and representatives of the Fresh Blood for Fresh Water (FBFW) meetings, based on the previous 1st call. It has the primary goals of encouraging young freshwater researchers across Europe to create synergistic interactions that lead to new knowledge, promote networking among young European Limnologists and offer experience in generating research ideas, acquiring funding, planning and carrying out a collaborative international scientific project. Collaboration among scientists over a wide geographical area offers the possibility to plan innovative experiments with a relatively small budget. Such collaborative projects have the potential for combining outstanding research with networking, and thus can be very valuable for scientists at an early stage in their careers. As an example, the 1st Collaborative European Freshwater Science Project for Young Researchers originated by two German researchers, who assembled a team of people from seven European Countries. The project later developed into a programme involving 47 young scientists grouped in 16 teams from 11 European countries and performing measurements in 34 streams across Europe. Proposals submitted to the present call should specify original research on any aspect of the ecology of inland waters. We are seeking to support research relying on the original and well-designed use of inexpensive and simple methodology, and will favour multidisciplinary interactions among young researchers from several European countries. Thus, the evaluation will consider not only the scientific quality of the proposal, but especially the chances for promoting collaboration among European young freshwater scientists, both by integrating them in the initial proposal and by offering opportunities for further integration for the project development. This is an `equal opportunity call’ which is open to all young members of the limnological societies constituting EFFS. National societies from Austria, Czech Republic, France, Germany, Italy, Spain/Portugal, Switzerland, United Kingdom financially support this programme and kindly encourage the participation of their young members.