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Scientific highlights of IGB
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1 - 10 of 94 publications
May 2021
Biogeosciences. - 18(2021)10, 3005-3013

Ideas and perspectives: Biogeochemistry – some key foci for the future

Thomas S. Bianchi; Madhur Anand; Chris T. Bauch; Donald E. Canfield; Luc De Meester; Katja Fennel; Peter M. Groffman; Michael L. Pace; Mak Saito; Myrna J. Simpson

In order to empower the field of biogeochemistry further in its capacity to inform and influence social transitions, the authors make a strong plea to further strengthen the integrative nature of biogeochemistry. They put special attention to the integration of mechanisms, including both the molecular and eco-evolutionary perspectives, and insights from the social sciences.

May 2021
Environmental Microbiology Reports. - 13(2021)3, 337-347

Variation of bacterial communities along the vertical gradient in Lake Issyk Kul, Kyrgyzstan

Keilor Rojas-Jimenez; Alex Araya-Lobo; Fabio Quesada-Perez; Johana Akerman-Sanchez; Brayan Delgado-Duran; Lars Ganzert; Peter O. Zavialov; Salmor Alymkulov; Georgiy Kirillin; Hans-Peter Grossart

Diversity and community composition of bacteria along vertical gradients were studied in Lake Issyk Kul, Kyrgyzstan, the 6th deepest lake worldwide and the largest high-altitude lake. In the molecular assessment, the 16S rRNA gene analysis revealed significant changes in the composition, responding mainly to depth and salinity with Planctomycetes and Chloroflexi dominating in the deepest layers.

May 2021
Renewable and Sustainable Energy Reviews. - 145(2021), Art. 111003

A review of hydropower plants in Romania: distribution, current knowledge, and their effects on fish in headwater streams

Gabriela Costea; Martin T. Pusch; Doru Bănăduc; Diana Cosmoiu; Angela Curtean-Bănăduc

Hydropower is renewable, but mostly not environmentally friendly. The study shows for Romania how the expansion of hydropower runs counter to the goals of EU environmental policy. Hydropower conflicts with the requirements of the Flora-Fauna-Habitat Directive and the European Water Framework Directive: around half of the hydropower plants in Romania are located in nature conservation areas.

May 2021
Freshwater Biology. - 66(2021)6, 1089-1100

Incomplete recovery of a shallow lake from a natural browning event

Garabet Kazanjian; Soren Brothers; Jan Köhler; Sabine Hilt

The authors investigated the recovery of a small, temperate shallow lake from a strong flooding-induced browning and nutrient loading event. Concentrations of dissolved organic carbon and phosphorus remained elevated and affected primary production despite water levels dropping to pre-flood levels indicating consequences of extreme precipitation for lake water quality and aquatic food webs.

May 2021
Hydrological Processes. - 35(2021)5, Art. e14197

Using isotopes to understand landscape‐scale connectivity in a groundwater‐dominated, lowland catchment under drought conditions

Lukas Kleine; Doerthe Tetzlaff; Aaron Smith; Tobias Goldhammer; Chris Soulsby

The authors integrated hydrometric and isotope data to understand how droughts affect ecohydrological partitioning, hydrological connectivity and streamflow generation at the catchment scale. Groundwater recharge was lower under forest than grassland and enhanced in restored wetlands. Complex patterns of connectivity affect in-stream solute transport and interactions between land- and riverscapes.

May 2021
Journal of Geophysical Research : Biogeosciences. - 126(2021)5, Art. e2020JG005903

Exploring the suitability of ecosystem metabolomes to assess imprints of brownification and nutrient enrichment on lakes

Jeremy A. Fonvielle; Darren P. Giling; Thorsten Dittmar; Stella A. Berger; Jens C. Nejstgaard; Anne Lyche Solheim; Mark O. Gessner; Hans‐Peter Grossart; Gabriel Singer

In the Lake Stechlin Lake Lab facility, the researchers tested whether dissolved molecules retain information about past and present alterations of lakes. They found that UV or microbial activities left measurable imprints on dissolved compounds, emphasising the relevance of the "ecosystem metabolome" to monitor the functioning and quality of lakes.

May 2021
Ecography. - 44(2021)5, 727-739

What factors increase the vulnerability of native birds to the impacts of alien birds?

Thomas Evans; Jonathan M. Jeschke; Chunlong Liu; David W. Redding; Çağan H. Şekercioğlu; Tim M. Blackburn

Alien birds can have severe impacts on native birds. The authors wanted to find out whether there are certain factors that make some native bird species more vulnerable to such impacts than others. They identified several factors that increase vulnerability, as well as specific orders of native birds that may require protection, and locations where impacts may be particularly damaging.

May 2021
Water Research. - 190(2021), Art. 116713

Disentangling the direct and indirect effects of agricultural runoff on freshwater ecosystems subject to global warming: a microcosm study

Joey Allen; Elisabeth M. Gross; Camille Courcoul; Stéphanie Bouletreau; Arthur Compin; Arnaud Elger; Jessica Ferriol; Sabine Hilt; Vincent E. J. Jassey; Martin Laviale; Bastian H. Polst; Mechthild Schmitt-Jansen; Herwig Stibor; Vinita Vijayaraj; Joséphine Leflaive

Microcosm experiments were performed to disentangle the direct and indirect effects of agricultural runoff (ARO) combined with warming on primary producers and their consumers in freshwaters. Negative effects of ARO on snail grazers affected the balance between functional groups of primary producers leading to a dominance of periphyton.The effect was enhanced when ARO arrived in multiple pulses.

 

May 2021
Reviews in Fish Biology and Fisheries. - 31(2021), 181–200

A bright spot analysis of inland recreational fisheries in the face of climate change: learning about adaptation from small successes

Amanda L. Jeanson; A. J. Lynch; J. D. Thiem; W. M. Potts; T. Haapasalo; A. J. Danylchuk; T. D. Beard; R. Arlinghaus; L. M. Hunt; N. Young; S. J. Cooke

The review study highlights examples of “bright spots” to show that a positive future for inland recreational fisheries in the face of climate change is possible. The authors present potential strategies (e.g. community-based or transdisciplinary restoration projects, adaptive approaches to short-term fisheries interventions) to adapt to current and future climate scenarios.

May 2021
Reviews in Fish Biology and Fisheries. - 31(2021), 253–288

Technological innovations in the recreational fishing sector: implications for fisheries management and policy

Steven J. Cooke; Paul Venturelli; William M. Twardek; Robert J. Lennox; Jacob W. Brownscombe; Christian Skov; Kieran Hyder; Cory D. Suski; Ben K. Diggles; Robert Arlinghaus; Andy J. Danylchuk

The authors have summarized how technical innovations can affect anglers, fisheries management and fish populations. They advise to increasingly study the effects of fishing innovations and adjusting management measures as necessary. 

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