Sarquis, A.; Sierra, C. A.: Information content in time series of litter decomposition studies and the transit time of litter in arid lands. Biogeosciences 20 (9), S. 1759 - 1771 (2023)
Giraldo, J. A.; Valle, J. I. d.; González-Caro, S.; David, D. A.; Taylor, T.; Tobón, C.; Sierra, C. A.: Tree growth periodicity in the ever-wet tropical forest of the Americas. Journal of Ecology 111 (4), S. 889 - 902 (2023)
Sierra, C. A.; Quetin, G. R.; Metzler, H.; Mueller, M.: A decrease in the age of respired carbon from the terrestrial biosphere and increase in the asymmetry of its distribution. Philosophical Transactions of the Royal Society of London - Series A: Mathematical Physical and Engineering Sciences 381 (2261), 20220200 (2023)
Wells, J. M.; Crow, S. E.; Sierra, C.; Deenik, J. L.; Carlson, K. M.; Meki, M. N.; Kiniry, J.: Edaphic controls of soil organic carbon in tropical agricultural landscapes. Scientific Reports 12, 21574 (2022)
Salazar, A.; Sanchez, A.; Dukes, J. S.; Salazar, J. F.; Clerici, N.; Lasso, E.; Sanchez-Pacheco, S. J.; Rendon, A. M.; Villegas, J. C.; Sierra, C.et al.; Poveda, G.; Quesada, B.; Uribe, M. R.; Rodríguez-Buritica, S.; Ungar, P.; Pulido-Santacruz, P.; Ruiz-Morato, N.; Arias, P. A.: Peace and the environment at the crossroads: Elections in a conflict-troubled biodiversity hotspot. Environmental Science and Policy 135, S. 77 - 85 (2022)
Sarquis, A.; Siebenhart, I. A.; Austin, A. T.; Sierra, C. A.: Aridec: an open database of litter mass loss from aridlands worldwide with recommendations on suitable model applications. Earth System Science Data 14 (7), S. 3471 - 3488 (2022)
Vásquez, M.; Lara, W.; del Valle, J. I.; Sierra, C.: Reconstructing past fossil-fuel CO2 concentrations using tree rings and radiocarbon in the urban area of Medellín, Colombia. Environmental Research Letters 17 (5), 055008 (2022)
Chanca, I.; Trumbore, S. E.; Macario, K.; Sierra, C.: Probability distributions of radiocarbon in open linear compartmental systems at steady-state. Journal of Geophysical Research: Biogeosciences 127 (3), e2021JG006673 (2022)
Azizi-Rad, M.; Guggenberger, G.; Mad, Y.; Sierra, C. A.: Sensitivity of soil respiration rate with respect to temperature, moisture and oxygen under freezing and thawing. Soil Biology and Biochemistry 165, 108488 (2022)
Heckman, K.; Hicks Pries, C. E.; Lawrence, C. R.; Rasmussen, C.; Crow , S. E.; Hoyt, A. M.; von Fromm, S. F.; Shi, Z.; Stoner, S.; McGrath, C.et al.; Beem-Miller, J.; Berhe, A. A.; Blankinship, J. C.; Keiluweit, M.; Marín-Spiotta, E.; Monroe, J. G.; Plante, A. F.; Schimel, J.; Sierra, C.; Thompson, A.; Wagai, R.: Beyond bulk: Density fractions explain heterogeneity in global soil carbon abundance and persistence. Global Change Biology 28 (3), S. 1178 - 1196 (2022)
Giraldo, J. A.; del Valle, J. I.; González-Caro, S.; Sierra, C.: Intra-annual isotope variations in tree rings reveal growth rhythms within the least rainy season of an ever-wet tropical forest. Trees 36 (3), S. 1039 - 1052 (2022)
Uribe, M. R.; Sierra, C.; Dukes, J. S.: Seasonality of tropical photosynthesis: A pantropical map of correlations with precipitation and radiation and comparison to model outputs. Biogeosciences 126 (11), e2020JG006123 (2021)
Stoner, S.; Hoyt, A. M.; Trumbore, S. E.; Sierra, C.; Schrumpf, M.; Doetterl, S.; Baisden, W. T.; Schipper, L. A.: Soil organic matter turnover rates increase to match increased inputs in grazed grasslands. Biogeochemistry 156, S. 145 - 160 (2021)
Die Klimaerwärmung lässt in der Arktis den Permafrost auftauen und Gletscher schmelzen, sie führt zu Vegetationsveränderungen, extremer Trockenheit und Feuern. All dies hängt stark vom Energieaustausch zwischen Atmosphäre und Boden ab.
A new study shows that future ecosystem functioning will increasingly depend on water availability. Using recent simulations from climate models, an international team of scientists found several “hot spot regions” where increasing water limitation strongly affects ecosystems. These include Central Europe, the Amazon, and western Russia.
You can't see them with the naked eye, but our forest ground is littered with microorganisms. They decompose falling leaves, thereby improving soil quality and counteracting climate change. But how do these single-celled organisms coordinate their tasks? An international research team has been looking into this little-understood process. The results of the study were recently published in Scientific Reports.
Scientists have succeeded in detecting changes in carbon dioxide emissions from fossil fuels much faster than before. Using a new method, they combined atmospheric measurements of carbon dioxide (CO2) and oxygen (O2) from the north coast of the United Kingdom. The study, with the participation of the Max Planck Institute for Biogeochemistry, was published Apr. 22 in Science Advances.
International researchers found a pattern of extreme climate conditions leading to forest dieback. To do this, the team had collected worldwide records of climate-related tree and forest dieback events over the past nearly five decades. The results, recently published in Nature Communications, reveal an ominous scenario for forests in the context of ongoing global warming.
International forest experts analyzed major tree and forest dieback events that occurred globally in the last decades in response to climate extremes. To their surprise many forests were strongly affected that were not considered threatened based on current scientific understanding. The study, led by the MPI-BGC and published in Annual Reviews in Plant Biology, underscores also that further tree and forest dieback is likely to occur.
Die dauerhaft gefrorenen Böden vor allem am nördlichen Polarkreis speichern mehr als eine Billion Tonnen Kohlenstoff. Doch mit dem Klimawandel tauen sie mehr und mehr auf. Ob dadurch große Mengen Treibhausgase freigesetzt werden, ist eine der wichtigen ungelösten Fragen der Klimaforschung
An international research team succeeded in identifying global factors that explain the diversity of form and function in plants. Led by the University of Zurich, the Max Planck Institute for Biogeochemistry in Jena and the University of Leipzig, the researchers collected and analyzed plant data from around the world.
Precisely how does a forest system and the individual plants within it react to extreme drought? Understanding the processes involved is crucial to making forests more resilient in the increasingly dry climate that will result from climate change, and also important for refining climate models. A research team led by Prof. Dr. Christiane Werner from the University of Freiburg has conducted the most extensive experiment to date into this subject using stable isotopes to trace flows of water and carbon through a forest.
The increasing amount of greenhouse gases in the atmosphere is causing our climate to warm at an alarming rate. Information is vital for societies who must decide on pathways to climate neutrality. The European ICOS research structure, including Max-Planck Institute for Biogeochemistry, provides this information, as described in a recent article.
Ecosystems provide multiple services for humans. However, these services depend on basic ecosystem functions which are shaped by natural conditions like climate and species composition, and human interventions. A large international research team, led by the Max Planck Institute for Biogeochemistry, Jena, identified three key indicators that together summarize the integrative function of terrestrial ecosystems.