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Phosphorus and Nitrogen interactions in ecosystem models


The Objectives of this workshop are to review the state-of-the art of P models, especially N-P interactions, discuss possible new conceptual representations of N-P interactions as well as possibilities for comparison studies with field data.

Synergistic interactions between limited nutrient supplies of P and N are widespread in terrestrial ecosystems, for example evidence in several long-term fertilization experiments in Sweden. Recent research also highlights the increasing importance of P and its co-limitation with N in regulating terrestrial biogeochemical processes under current global changes, i.e., climate change and recovery of soil acidification. Within MERGE, P cycle are included in models in various degree with different focuses. There is an urgent need of synthesizing the N-P interactions in order to a better understand and model the biogeochemistry of P in current ecosystem models. This could significantly improve the predictions of interactions between biogeochemical cycles in a changing environment.

9:40 Coffee/tea + sandwich registration

10:00 Welcome and Presentation
Annemieke Gärdenäs and Hongxing He, University of Gothenburg

10:20 Scientific need of integrating P and N interactions in solving environmental
Issues Annemieke Gärdenäs, University of Gothenburg

10:40 leg stretching

P cycle in ecosystem models

10:50 P cycle and its interaction with N in CoupModel v6
Hongxing He, University of Gothenburg

11:10 P cycling of Forsafe model
Salim Belyazid, Stockholm University

11:30 HYPE P model and its link with N in aquatic systems
Alena Bartosova, SMHI

11:50 lunch

13:00 P model in QUINCY model
Lin Yu, Max Planck Institute for Biogeochemistry

13:20 P cycle in LPJGuess model
Katrin Fleischer, Technical Univ. of Munich and David Wårlind, Lund Univ.

Joint discussions and concluding remarks

13:40 Coffee/tea

14:50 Joint discussion P and N processes, concept, scaling/upscaling issues

15:00 Concluding remarks and future plan

15:30 Departure

Datum: 2019-03-11

Tid: 09:40 - 15:30

Kategorier: Naturvetenskap

Plats: Botanhuset, Carl Skottbergs gata 22 B
Hall 6

Sista anmälningsdag: 2019-03-01 kl. 13:00.

Kontaktperson: Hongxing He

Boka plats/anmäl dig

Sidansvarig: |Sidan uppdaterades: 2018-03-12

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Utskriftsdatum: 2019-02-16