Olga Ameixa, researcher at DBio and CESAM and coordinator of the RESTORE Project, evaluate the effect of climate changes on coastal areas, particularly on the effects of saline contamination of the soils of the “Baixo Vouga Lagunar” agricultural areas. This was one of the main issues highlighted in the Click emission of 17th of November, the UA radio program transmitted on Saturdays after the 3pm news on Antena 1, integrated in the program " Dias do Futuro ".
http://www.rtp.pt/play/p384/e265262/click (after minute 8)
A paper published in the latest issue of the Scientific Report journal (Nature group), led by José Alves, a researcher at DBio and CESAM, revealed an unexpected strategy in which whimbrels fly for 5 days and 5 nights over 5500 kilometres over the North Atlantic, from Iceland to West Africa, without a single stop and reaching fastest speeds between 65 and 86 kilometres per hour. This feat is even more incredible if we consider that, in addition to not feeding or moisturizing, they do not glide during the whole trip. José Alves reveals the "surprising" and unknown proof of resistance of this bird.
Original paper: http://www.nature.com/articles/srep38154
More information in: http://uaonline.ua.pt/pub/deta.....mp;c=48679
Diogo Cardoso, a PhD student of the UA Doctoral Program Biology and Ecology of Global Changes, was nominated ambassador of the Society of Environmental Toxicology and Chemistry (SETAC). The nomination took place during the XIV Brazilian Congress of Ecotoxicology - ECOTOX 2016, which took place in Curitiba, Brazil.
Diogo Cardoso has participated in several congresses organized by SETAC, under the scope of his scientific activities led by Susana Loureiro, Professor and Researcher at DBIO and CESAM, and Fred Wrona, Professor at the University of Calgary (Canada), in the research group applEE - Applied Ecology and Ecotoxicology.
In this context, he was appointed a student ambassador of SETAC in ECOTOX 2016, and together with Blair Paulik, representative of the SETAC North American students, presented to the Brazilian students the importance of the tripartite activities of SETAC (academia-industry-governmental entities).
Mais informações podem ser consultadas em:
e no vídeo https://www.youtube.com/watch?v=9TmsZESNG4o
Nature’s press release: Animal behaviour: How shorebirds share parental care?
When it comes to sharing parental responsibilities, birds adapt their behaviour to take shifts to look after their nests, but this behaviour varies widely between different species, finds a study published online in Nature this week. In most cases, this behaviour circumvents natural circadian rhythms governed by the 24-hour light–dark cycles. Instead, it seems that the shift patterns are driven by anti-predation strategies.
The authors analyse data from 729 nests of 32 different shorebird species, monitored over a period of 20 years, to understand how these birds synchronize their daily schedules to take turns in incubating the eggs. Patterns vary widely between species, even under similar environmental conditions. The length of one parent’s incubation bout ranges from 1 to 19 hours, but similarities are observed in closely related species. The way in which the two parents synchronize their rhythms seems to be linked to how the birds fend off predators, the authors note. Birds that actively mob predators tended to have shorter incubation bouts, whereas those that rely on camouflage incubate for longer, presumably to avoid revealing the location of their nests to predators.
The variation in synchronized social rhythms observed in these free-living animals is far more diverse than is seen under laboratory conditions and shows that social cues can have a stronger influence on certain behaviours than the circadian clock.
More details in:
Link for the original paper: http://dx.doi.org/10.1038/nature20563
Adelaide Almeida, Researcher at CESAM/DBio, co-authored a paper recently published in The Lancet Infectious Diseases, a journal with an Impact Factor of 21.372 (5-Year Impact Factor: 19.297)
The work “Photoantimicrobials—are we afraid of the light?” provide a Personal View about the abusive use of conventional antimicrobial drugs, which have been assumed as miraculous cure-alls for the past 80 years, causing increasing antimicrobial drug resistance. As alternative, the authors raise awareness of novel photoantimicrobial technologies that offer a viable substitute to conventional drugs in many relevant application fields, and could thus slow the pace of resistance development. The authors discussed photoantimicrobials (light-activated molecules that act locally via the in-situ production of highly reactive oxygen species) and their uses and prospects for adoption as mainstream clinical antimicrobials in the fight against conventional drug resistance.
More details in: http://uaonline.ua.pt/pub/deta.....6&lg=p
Full paper: http://dx.doi.org/10.1016/S1473-3099(16)30268-7
Célia Alves and Ana Vicente, Researchers at CESAM/DAO, co-authored a Review paper listed in the Most Cited Atmospheric Research Articles published since 2011, extracted from Scopus
The paper “Research on aerosol sources and chemical composition: Past, current and emerging issues” provide a quantitative and predictive understanding of atmospheric aerosols, beginning with a historical perspective on the scientific questions regarding atmospheric aerosols over the past centuries, followed by a description of the distribution, sources, transformation processes, and chemical and physical properties as they are currently understood. This review outlines the major open questions and suggestions for future research priorities to narrow the gap between the present understanding of the contribution of both anthropogenic and biogenic aerosols to radiative forcing resulting from the spatial non-uniformity, intermittency of sources, unresolved composition and reactivity.
More details in the full paper: http://www.sciencedirect.com/s.....9512003237
A group of 40 international experts met last weekend in Vigo (Spain) and concluded that there is an urgent need to increase knowledge about recreational fishing on the Iberian Atlantic coast by collecting ecological, social and economic data related to this fishery. Experts also recommend the cration of bridges by administrations to strengthen relations between this sector, managers, professional fishing and science.
The Director for Fisheries of the Government of Galicia, Juan Maneiro, inaugurated the 1st workshop on recreational fishing on the Iberian Atlantic coast, which took place on 11 and 12 November in Bouzas, Vigo, Spain. This workshop was attended by 40 experts, including Dr. Cristina Pita (CESAM / DAO), other scientists, members of different administrations, professional and recreational fishermen, representatives of ONGAs and other collectives.
As a conclusion, the experts were in favour of promoting the association and training of recreational fishermen to promote initiatives of collaboration with scientists and to reduce conflicts with other users of the coastal ecosystems. They also recommended revising legislation (in Spain), harmonizing the data collection regime and increasing the participation of recreational fishermen in decision-making.
This workshop was organized by Federación Gallega de Pesca Marítima Responsable y Náutica de Recreo, WWF-Espanha, Federación Gallega de Actividades Subacuáticas, International Forum for Sustainable Underwater Activities, and Universities of Santiago de Compostela, Minho e Aveiro, being supported by Xunta de Galicia, Confederación Española de Pesca Recreativa Responsable and Federación Galega de Confrarías de Pescadores.
Ana Lillebø, CESAM Researcher, was invited by the Korean Maritime Institute to participate in the '4th International Symposium and Workshop on Marine Ecosystem Services and Marine Spatial Planning & Management' held in Seoul.
Asian countries have been establishing over the past decades legal and institutional mechanisms for sustainable development. Under this scope, for example, KMI (Korea Maritime Institute), in very close collaboration with PEMSEA (Partnerships in Environmental Management for the Seas of East Asia), has organized international workshop on marine ecosystem services and its application to MSP since 2013.
In this symposium, occurred between 27-28 October, invited experts from East Asian and western countries shared experiences and knowledge, and discuss issues and future direction to incorporate the ecosystem service-based marine spatial planning with clear benefits to the global society.
A group of scientists from UA are trying to use biochar for the first time to combat soil erosion in a vineyard in Amoreira Gandara, Anadia. This unprecedented work intends to identify how this type of biomass-produced coal can improve water infiltration of the soil in vineyards.
This research has been conducted by the 'Earth Surface Processes (ESP) team' (Earth Surface Process research team), a CESAM researchers team led by Jacob Keizer. This work is part of the project "Mediterranean Agricultural Soils Conservation under Global Change (MASCC)", funded by FCT under the ARIMNET program, with João Pedro Nunes as Main Researcher from the Portuguese team.
With the incorporation of biochar in the soil, ESP team expects a reduction in the water flow by 10 to 50 percent and a reduction of 20 to 60 percent in the soil erosion. This percentages, according to the researchers, "mean that more water will be stored in the soil after rainfall, a fact that can benefit both the vineyard and the quality of watercourses".
The study of the use of biochar in agricultural production in Portugal is now taking the first steps through an interdisciplinary team of researchers from DAO, DBio and CESAM.
More details: http://uaonline.ua.pt/pub/deta.....
A publication from the UA department of Biology, Physics and CESAM, partnering with the University of Melbourne was selected to be published by the Science for Environment Policy, an information service provided by the European Commission’s Directorate-General Environment. This EU service carefully selects quality environmental research for evidence-based policy to connect researchers and policymakers, offering accessible summaries with the most up-to-date environmental research findings required to design and put into practice effective policies. http://ec.europa.eu/environmen.....salert.htm
This study used the mussel Mytilus galloprovincialis to investigate connectivity between the Berlengas and Arrábida MPAs in Portugal, both of which are part of the Natura 2000 network of protected sites in Europe. The chemistry of mussel shells was used to trace the dispersal routes for larval mussels, demonstrating that the Arrábida MPA is an important source population in the area. Results from this study support the measures in the 2005 management plan for the MPA, which prohibited trawling, dredging and bivalve harvesting to preserve its role as a nursery for many marine species. Direct measures of habitat connectivity can be a powerful tool to inform policymakers on the conservation and management of networks of protected areas in coastal marine ecosystems.
Source: Gomes, I., Peteiro, L.G., Albuquerque, R., Nolasco, R., Dubert, J., Swearer, S.E. & Queiroga, H. (2016) Wandering mussels: using natural tags to identify connectivity patterns among Marine Protected Areas. Marine Ecology Progress Series. DOI: 10.3354/meps11753
More details: http://uaonline.ua.pt/pub/deta.....mp;c=48170