Selected publications

Scientific highlights of IGB
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1 - 10 of 115 publications
September 2021
Trends in Ecology and Evolution. - 36(2021)10, 885-888

Fisheries-induced changes of shoaling behaviour: mechanisms and potential consequences

Valerio Sbragaglia; Jolle W. Jolles; Marta Coll; Robert Arlinghaus

The authors outline key mechanisms by which fishing can change the shoaling tendency and collective behaviour of exploited species – an issue that is rarely considered and poorly understood. They highlight potential consequences for fish populations and food webs, and discuss possible repercussions for fisheries and conservation strategies.

September 2021
Hydrology and Earth System Sciences. - 25(2021)9, 4861–4886

Structural changes to forests during regeneration affect water flux partitioning, water ages and hydrological connectivity: insights from tracer-aided ecohydrological modelling

Aaron J. Neill; Christian Birkel; Marco P. Maneta; Doerthe Tetzlaff; Chris Soulsby

The authors used an isotope-based ecohydrologic model to assess the hydrological impacts of “re-wilding” in the Scottish Highlands by increasing Scots Pine forests for biodiversity conservation. They found forests will “use” more water through evapotranspiration which may initially decrease summer low flows and summer floods, though a natural hydrological regime will be restored after ~100 years.

September 2021
Global Change Biology. - 27(2021)19, 4615-4629

Earlier winter/spring runoff and snowmelt during warmer winters lead to lower summer chlorophyll-a in north temperate lakes

Allison R. Hrycik; Peter D. F. Isles; Rita Adrian; Matthew Albright,; Linda C. Bacon; Stella A. Berger; Ruchi Bhattacharya; Hans-Peter Grossart; Josef Hejzlar; Amy Lee Hetherington; Lesley B. Knoll; Alo Laas; Cory P. McDonald; Kellie Merrell; Jens C. Nejstgaard; Kirsten Nelson; Peeter Nõges; Andrew M. Paterson; Rachel M. Pilla; Dale M. Robertson; Lars G. Rudstam; James A. Rusak; Steven Sadro; Eugene A. Silow; Jason D. Stockwell; Huaxia Yao; Kiyoko Yokota; Donald C. Pierson

The authors investigated how ongoning changes in winter conditions may have consequences for annual phytoplankton biomass and production. They showed that earlier winter/spring runoff and snowmelt during warmer winters lead to lower summer chlorophyll-a in 41 north temperate lakes in Europe and North America.

September 2021
Science of the Total Environment. - 802(2021), Art. 149620

European fish-based assessment reveals high diversity of systems for determining ecological status of lakes

David Ritterbusch; Petr Blabolil; Jan Breine; Tibor Erős; Thomas Mehner; Mikko Olin; Graeme Peirson; Pietro Volta; Sandra Poikane

Developed in the context of the European Water Framework Directive, 24 fish-based ecological assessment systems for lakes across 21 countries were analyzed by a team of European fish experts. In total, 177 metrics are applied, addressing multiple anthropogenic pressures, predominantly lake eutrophication, hydromorphological alterations, fisheries and occurrence of non-natives.

August 2021
Frontiers in Marine Science. - 8(2021), Art. 628469

Effects of food provisioning on the daily ration and dive site use of Great Hammerhead Sharks, Sphyrna mokarran

Vital Heim; Félicie Dhellemmes; Matthew J. Smukall; Samuel H. Gruber; Tristan L. Guttridge

The study provides insights into how large-bodied marine predators react toward wildlife tourism associated provisioning and allows further discussion about daily energy uptake during provisioning dives, its potential impacts on the ecological role of the target species and associated management measures. 

August 2021
Hydrological Processes. - 35(2021)8, Art. e14325

Modelling ecohydrological feedbacks in forest and grassland plots under a prolonged drought anomaly in Central Europe 2018–2020

Lukas Kleine; Doerthe Tetzlaff; Aaron Smith; Maren Dubbert; Chris Soulsby

The authors monitored and modelled feedbacks in the soil–plant-atmosphere continuum to the drought summer 2018 and the following 2 years. The isotope-aided model EcH2O-iso was applied to forest and grassland in a lowland, groundwater-dominated catchment. Such differences in ecohydrological feedbacks to drought in contrasting soil-vegetation units provide insights into Critical Zone water cycling. 

August 2021
Proceedings of the National Academy of Sciences of the United States of America. - 118(2021)34, Art. e2100695118

Reproductive hyperallometry and managing the world’s fisheries

Dustin J. Marshall; Michael Bode; Marc Mangel; Robert Arlinghaus; E. J. Dick

The authors state that the reproductive capacity of large fish is underestimated. Even worse, it is the large fish which are targeted and removed by fisheries. The study shows that the replenishment potential of many fish stocks is overestimated. This increases the risk of overfishing. Especially the largest fish should be protected to a greater degree than is presently the case.

August 2021
Frontiers in Marine Science. - 8(2021), Art. 714733

Contrasting the motivations and wildlife-related value orientations of recreational fishers with participants of other outdoor and indoor recreational activities

Beatriz Morales-Nin; Robert Arlinghaus; Josep Alós

The authors assessed the motivation and wildlife-related value orientations of outdoor recreations in a random telephone survey in Spain. Recreational fishers placed more importance on the motives “to be close to nature,” “to experience tranquility", “to get away from the demands of life", “to relax psychically”, “to stay with family”, “to get exercise”, compared to other recreational groups.



July 2021
Hydrology and Earth System Sciences. - 25(2021)6, 3635–3652

Quantifying the effects of urban green space on water partitioning and ages using an isotope-based ecohydrological model

Mikael Gillefalk; Dörthe Tetzlaff; Reinhard Hinkelmann; Lena-Marie Kuhlemann; Aaron Smith; Fred Meier; Marco P. Maneta; Chris Soulsby

Urban green space is of great importance for sustainable water management and heat reduction in cities. Using field measurements and a highly advanced ecohydrological model, researchers have investigated how water pathways differ depending on vegetation type. The result: trees potentially provide the strongest cooling effect, while grass promotes more groundwater recharge.

July 2021
Geophysical Research Letters. - 48(2021)14, Art. e2021GL093429

Ice-covered lakes of Tibetan Plateau as solar heat collectors

Georgiy B. Kirillin; Tom Shatwell; Lijuan Wen

The authors investigated the thermal properties of Tibetan lakes during the ice-covered season. They revealed that an extremely large amount of solar radiation penetrated the highly transparent ice cover. As a result, lakes fully mix under ice and get heated up to >6°C. The accumulated heat makes a crucial contribution to ice cover melt.

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