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352 results on '"Ruess, Liliane"'

18. Nitrifier denitrification potentially dominates N2O production in a sandy soil – results from different fertilization and irigation regimes in potato cropping in Germany.

Author

Storch, Laura Charlotte, Schulz, Katharina, Kraft, Jana Marie, Prochnow, Annette, Ruess, Liliane, Trost, Benjamin, and Theuerl, Susanne

Subjects
SANDY soils, MICROIRRIGATION, WATER distribution, DENITRIFICATION, SPRINKLER irrigation
Abstract

Spatial and temporal distribution of water and nitrogen supply affects soil-borne nitrous oxide (N2O) emissions. In this study, the effects of different irrigation technologies (no irrigation, sprinkler irrigation and drip irrigation) and nitrogen (N) application types (broadcasted and dissolved in irrigation water) on N2O emissions and the potentially underlying, genetically determined microbial processes were investigated over an entire season in potato cropping. N2O fluxes were highest during the first half of the season and mostly affected by the applied water volume rather than the N application types. The comparison of the different water application types revealed that nitrifier denitrification might potentially be the dominant source of N2O emissions, especially under sprinkler irrigation. The type of N fertilizer supply, broadcasted application or dissolved in irrigation water, showed only minor differences in the potential microbial community functionality. N2O production in both treatments was most likely also dominated by nitrifier denitrification, while the process of denitrification might be feasible too. Even though the current agronomic management measures generally meet the crop demand of water and N, it might be recommendable to adapt the time of application considering that potatoes mainly require N at later growth stages which could also reduce N2O emissions at the same time. [ABSTRACT FROM AUTHOR]

Published
2023
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31. Report on the annual joint meeting of the DPG-Working Group "Nematology" and the Working Group "Free Living Nematodes"

Author

Daub, Matthias, Hakl, Ulrike, Rueß, Liliane, Elashry, Abdelnaser, Ahmadinegad, Nahal, Blümel, Roman, Altmüller, Janine, Schoof, Heiko, Grundler, Florian MW, Kiewnick, Sebastian, van Heese, Evelyn, Frey, Jürg E, Hallmann, Johannes, Wolf, Stefanie, Lüth, Peter, Baklawa, Mohamed, Niere, Björn, Heuer, Holger, Massoud, Samia, Gutbrod, Philipp, Siddique, Shahid, vom Dorp, Katharina, Wever, Vera, Dörmann, Peter, Grundler, Florian, Preiß, Uwe, Augustin, Bernd, and Sturhan, Dieter

Published
2012

32. Soil Nematodes as a Means of Conservation of Soil Predatory Mites for Biocontrol.

Author

Rueda-Ramírez, Diana, Palevsky, Eric, and Ruess, Liliane

Subjects
PREDATORY mite, SOIL conservation, SOIL nematodes, PHYTOSEIIDAE, BIOLOGICAL pest control, MITE control
Abstract

Numerous lab and field studies have reported the potential of soil predatory mites for the biological control of plant-parasitic nematodes and arthropods pests. Most of these studies have utilized biocontrol agents in augmentative releases, essentially controlling the pest with the released predators. While this may be a valid approach, we hypothesize that conservation of soil mite predators with available, suitable, and accessible free-living nematodes as prey, will provide better agricultural ecosystem performance and long-range sustainability. In this manuscript, we review the relevant studies on soil predatory mite–nematode interactions and highlight their potential for conservation biological control of soil-borne pests. Additionally, we emphasize the importance of implementing environmentally sound soil management practices for the sustainability and conservation of functional soil food webs. [ABSTRACT FROM AUTHOR]

Published
2023
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36. Report on the Annual Meeting of the Working Group Nematology

Author

Hallmann, Johannes, Knuth, Peter, Rueß, Liliane, Grundler, F.M.W., van der Sommen, A., van Bruggen, A.S., den Nijs, L., Kiewnick, S., Dessimoz, M., Franck, L., Daneshkhah, R., Peharz, V., Hofmann, J., Wieczorek, K., Sigl, G., Eigner, H., Kempl, F., Westphal, A., Borneman, J., Becker, J.O., Robinson, F.A., Eder, R., Roth, I., Frey, J.E., and Oggenfuss, M.

Published
2009

37. Report on the Annual Meeting of the Working Group "Nematology"

Author

Hallmann, Johannes, Knuth, Peter, Rueß, Liliane, Hofmann, J., Szakasits, D., Blöchl, A., Sobczak, M., Daxböck-Horvath, S., Golinowski, W., Bohlmann, H., Grundler, F.M.W., Kiewnick, S., Karssen, G., Brito, J., Oggenfuss, M., Frey, J., Korthals, G., Visser, J., Lamers, J., Molendjik, L., Polomski, J., Heinen, P., Kreil, D., Wieczorek, K., and Grundler, F.

Published
2008

39. Consumer-Resource Body-Size Relationships in Natural Food Webs

Author

Brose, Ulrich, Jonsson, Tomas, Berlow, Eric L., Warren, Philip, Banasek-Richter, Carolin, Bersier, Louis-Félix, Blanchard, Julia L., Brey, Thomas, Carpenter, Stephen R., Blandenier, Marie-France Cattin, Cushing, Lara, Dawah, Hassan Ali, Dell, Tony, Edwards, Francois, Harper-Smith, Sarah, Jacob, Ute, Ledger, Mark E., Martinez, Neo D., Memmott, Jane, Mintenbeck, Katja, Pinnegar, John K., Rall, Björn C., Rayner, Thomas S., Reuman, Daniel C., Ruess, Liliane, Ulrich, Werner, Williams, Richard J., Woodward, Guy, and Cohen, Joel E.

Published
2006

47. Table S3 - Estimation of Diets - no roots from Shifting systems—prerequisites for the application of quantitative fatty acid signature analysis in soil food webs

Author

Kühn, Jakob, Tobias, Kevin, Jähngen, Alexander, and Ruess, Liliane

Abstract

Table S3: Quantitative estimation of the diet of the Collembola Folsomia candida, Protaphorura fimata and Lepidocyrtus violaceus in multi-diet setups. Calculations are based on the CCs obtained from single diet experiments, but with the exlcusion of the root data. Given are the mean estimations (% ± s.d., n=3). Main dietary components are highlighted in bold. Colours indicate the quality of estimation, with green signifying a correct estimation within 5% error margin, yellow within 5 to 10% error margin, and red highlighting incorrect estimations.

Published
2020
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48. Table S4 - Estimation of Diets with adjusted fat contents. from Shifting systems—prerequisites for the application of quantitative fatty acid signature analysis in soil food webs

Author

Kühn, Jakob, Tobias, Kevin, Jähngen, Alexander, and Ruess, Liliane

Abstract

Table S4: Quantitative estimation of the diet of the Collembola Folsomia candida, Protaphorura fimata and Lepidocyrtus violaceus in multi-diet setups, based on the CCs obtained from single diet experiments with adjusted values respective to fat content by using fat_adj() from the qfasar package. Given are the mean estimations (% ± s.d., n=3). Fat content for the groups as follows: Algae: 0.218g g-1 DW, bacteria: 0.021g g-1 DW, fungi: 0.039g g-1 DW, leaves: 0.042g g-1 DW, roots: 0.013g g-1 DW.

Published
2020
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49. Figure S1 - Biomass Box Plot from Shifting systems—prerequisites for the application of quantitative fatty acid signature analysis in soil food webs

Author

Kühn, Jakob, Tobias, Kevin, Jähngen, Alexander, and Ruess, Liliane

Subjects
food and beverages
Abstract

Figure S1: Fresh weight (mg Ind. −1) of the Collembola Protaphorura fimata, Folsomia candida and Lepidocyrtus violaceus reared on the single diets algae (Chlorella vulgaris), bacteria (Bacillus megatherium), fungi (Chaetomium globosum), leaves (Helianthus annuus) and roots (H. annuus and Solanum tuberosum). Given are the box-plot summary statistics for data with the lower and upper quartile, representing observations outside the 9–91 percentile range. The diagrams also show the median. Significant differences (P

Published
2020
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