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Piemontese, L., Fetzer, I., Rockström, J., Jaramillo, F. 2019. Future hydroclimatic impacts on Africa: beyond the Paris Agreement. Earth's Future, Volume7, Issue7, July 2019, Pages 748-761
Projections of global warming in Africa are generally associated with increasing aridity and decreasing water availability. However, most freshwater assessments focus on single hydroclimatic indicators (e.g., runoff, precipitation, or aridity), lacking analysis on combined changes in evaporative demand, and water availability on land. There remains a high degree of uncertainty over water implications at the basin scale, in par...
Downing, A., Bhowmik, A., Collste, D. Cornell, S.E., Donges, J., et.al. 2019. Matching scope, purpose and uses of planetary boundaries science. Environ. Res. Lett. 14 073005. DOI: 10.1088/1748-9326/ab22c9
Background : The Planetary Boundaries concept (PBc) has emerged as a key global sustainability concept in international sustainable development arenas. Initially presented as an agenda for global sustainability research, it now shows potential for sustainability governance. We use the fact that it is widely cited in scientific literature (>3500 citations) and an extensively studied concept to analyse how it has been used and...
Journal / article
Steffen, W., Rockström, J., Richardson, K., Lenton, T.M. et.al. 2018. Trajectories of the Earth System in the Anthropocene. PNAS August 14, 2018 115 (33) 8252-8259. DOI: 10.1073/pnas.1810141115
We explore the risk that self-reinforcing feedbacks could push the Earth System toward a planetary threshold that, if crossed, could prevent stabilization of the climate at intermediate temperature rises and cause continued warming on a “Hothouse Earth” pathway even as human emissions are reduced. Crossing the threshold would lead to a much higher global average temperature than any interglacial in the past 1.2 million years a...
Wang-Erlandsson, L., I. Fetzer, P.W. Keys, R.J. van der Ent, H.H.G. Savenije, L.J. Gordon. 2018. Remote land use impacts on river flows through atmospheric teleconnections. Hydrology and Earth System Sciences Discussions doi:10.5194/hess-2017-494.
The effects of land-use change on river flows have usually been explained by changes within a river basin. However, land-atmosphere feedback such as moisture recycling can link local land-use change to modifications of remote precipitation, with further knock-on effects on distant river flows. Here, we look at river flow changes caused by both land-use change and water use within the basin, as well as modifications of imported...
Lade, S. J., Donges, J. F., Fetzer, I., Anderies, J. M., Beer, C., Cornell, S. E., Gasser, T., Norberg, J., Richardson, K., Rockström, J., and Steffen, W. 2018. Analytically tractable climate–carbon cycle feedbacks under 21st century anthropogenic forcing, Earth Syst. Dynam., 9, 507-523, https://doi.org/10.5194/esd-9-507-2018, 2018.
Changes to climate–carbon cycle feedbacks may significantly affect the Earth system’s response to greenhouse gas emissions. These feedbacks are usually analysed from numerical output of complex and arguably opaque Earth system models. Here, we construct a stylised global climate–carbon cycle model, test its output against comprehensive Earth system models, and investigate the strengths of its climate–carbon cycle feedbacks ...
Journal / article
Saleem, M., I. Fetzer, H. Harms, A. Chatzinotas. 2016. Trophic complexity in aqueous systems: Bacterial species richness and protistan predation regulate dissolved organic carbon and dissolved total nitrogen removal. Proceedings of the Royal Society B: Biological Sciences 283(1825): 20152724.
Loading of water bodies with dissolved organic carbon (DOC) and dissolved total nitrogen (DTN) affects their integrity and functioning. Microbial interactions mitigate the negative effects of high nutrient loads in these ecosystems. Despite numerous studies on how biodiversity mediates ecosystem functions, whether and how diversity and complexity of microbial food webs (horizontal, vertical) and the underlying ecological mecha...
Stolpovsky, K., I. Fetzer, P. Van Cappellen, M. Thullner. 2016. Influence of dormancy on microbial competition under intermittent substrate supply: Insights from model simulations. FEMS Microbiology Ecology 92: 1 – 10
Most natural environments are characterized by frequent changes of their abiotic conditions. Microorganisms can respond to such changes by switching their physiological state between activity and dormancy allowing them to endure periods of unfavorable abiotic conditions. As a consequence, the competitiveness of microbial species is not simply determined by their growth performance under favorable conditions but also by their a...
Journal / article
Richter, S., I. Fetzer, M. Thullner, F. Centler, P. Dittrich. 2015. Towards rule-based metabolic databases: A requirement analysis based on KEGG. International Journal of Data Mining and Bioinformatics 13: 289–319.
Knowledge of metabolic processes is collected in easily accessible online databases which are increasing rapidly in content and detail. Using these databases for the automatic construction of metabolic network models requires high accuracy and consistency. In this bipartite study we evaluate current accuracy and consistency problems using the KEGG database as a prominent example and propose design principles for dealing with s...
Steffen, W., K. Richardson, J. Rockström, S.E. Cornell, I. Fetzer, E.M. Bennett, R. Biggs, S.R. Carpenter, W. De Vries, C.A. De Wit, C. Folke, D. Gerten, J. Heinke, G.M. Mace, L.M. Persson, V. Ramanathan, B. Reyers, S. Sörlin. 2015. Planetary boundaries: Guiding human development on a changing planet. Science 347: 736, 1259855
The planetary boundaries framework defines a safe operating space for humanity based on the intrinsic biophysical processes that regulate the stability of the Earth system. Here, we revise and update the planetary boundary framework, with a focus on the underpinning biophysical science, based on targeted input from expert research communities and on more general scientific advances over the past 5 years. Several of the boundar...
Lucas, R., A. Kuchenbuch, I. Fetzer, H. Harms, S. Kleinsteuber. 2015. Long-term monitoring reveals stable and remarkably similar microbial communities in parallel full-scale biogas reactors digesting energy crops. FEMS Microbiology Ecology 91(3) DOI: 10.1093/femsec/fiv004
Biogas is an important renewable energy carrier. It is a product of stepwise anaerobic degradation of organic materials by highly diverse microbial communities forming complex interlinking metabolic networks. Knowledge about the microbial background of long-term stable process performance in full-scale reactors is crucial for rationally improving the efficiency and reliability of biogas plants. To generate such knowledge, in...
Stockholm Resilience Centre is a collaboration between Stockholm University and the Beijer Institute of Ecological Economics at the Royal Swedish Academy of Sciences
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