Climate determined differences in carbon dioxide fluxes dynamics

Climate determined differences in carbon dioxide fluxes dynamics between two comparable agroecosystems of Central Russia Alexis Yaroslavtsev, Joulia Meshalkina, Ilya Mazirov, Riccardo Valentini, and Ivan Vasenev RT SAU, LAMP, Moscow, Russian Federation Brief • GHG study has been conducted at two representative agroecosystems of Central Russia belonging to different climate zones : • the Moscow area belongs to south taiga; • the Kursk area belongs to forest-steppe; but both fields were with the same land use: they were under barley • Towers setups were very close for both sites • Common for both sites part of vegetation period, from 1 of May till end of August were observed Description Biomet NEE Reco GPP Cumulative Dependencies Conclusion

Climate determined differences in carbon dioxide fluxes dynamics between two comparable agroecosystems of Central Russia Alexis Yaroslavtsev, Joulia Meshalkina, Ilya Mazirov, Riccardo Valentini, and Ivan Vasenev RT SAU, LAMP, Moscow, Russian Federation • Weather patterns were similar for both fields in 2013 • PAR, soil temperature and moisture were higher for Kursk field, nevertheless Moscow field had a higher precipitation values • Higher SWC with less precipitation rates in Kursk were kept due to the specific soil type chernozems Brief Description Biomet NEE Reco GPP Cumulative Dependencies Conclusion

Climate determined differences in carbon dioxide fluxes dynamics between two comparable agroecosystems of Central Russia Alexis Yaroslavtsev, Joulia Meshalkina, Ilya Mazirov, Riccardo Valentini, and Ivan Vasenev RT SAU, LAMP, Moscow, Russian Federation Brief • Essentially higher gross primary production (GPP) values were in Pristen due to its better climate and soil parameters (higher PAR, temperature and soil moisture) • General trends for ecosystem’s respiration (Reco) and GPP and determined by crop phase • Obtained unique for Russian agriculture data will be used for land-use models, environmental assessment, soil organic carbon dynamics prediction and agroecological evaluation Description Biomet NEE Reco GPP Cumulative Dependencies Conclusion

Climate determined differences in carbon dioxide fluxes dynamics between two comparable agroecosystems of Central Russia Alexis Yaroslavtsev, Joulia Meshalkina, Ilya Mazirov, Riccardo Valentini, and Ivan Vasenev RT SAU, LAMP, Moscow, Russian Federation Moscow Precision Farming Experimental Field of the Timiryazev Agricultural University (55° 55’ 14’’N, 37° 33’ 56’’E) situated in Moscow. Pristen area, Kursk region Agricultural field near the Pristen place (51. 14567°N 36. 50624°E), Kursk region, Russia 100 m Brief Description Biomet 200 m NEE Reco GPP Cumulative Dependencies Conclusion

Climate determined differences in carbon dioxide fluxes dynamics between two comparable agroecosystems of Central Russia Alexis Yaroslavtsev, Joulia Meshalkina, Ilya Mazirov, Riccardo Valentini, and Ivan Vasenev RT SAU, LAMP, Moscow, Russian Federation Moscow Pristen area, Kursk region Arable Albeluvisols Umbric have around 1% of SOC, 5. 4 p. H(KCl) and NPK mediumenhanced contents in sandy loam topsoil. Arable Chernozems have around 4% of SOC, 6. 5 p. H(KCl) and NPK high-enhanced contents in sandy loam topsoil. The field was used for barley planting (Hordeum vulgare L. , breeding line Mihailovsky). The field was used for barley planting (Hordeum vulgare L. , breeding line Xanadu). Sowing was in early May 2013 and harvest was in August, 14. Sowing was 25 -27 of April and harvest was 14 -19 of August. Common for both sites part of vegetation period, from 1 of May till end of August were observed. Brief Description Biomet NEE Reco GPP Cumulative Dependencies Conclusion

Climate determined differences in carbon dioxide fluxes dynamics between two comparable agroecosystems of Central Russia Alexis Yaroslavtsev, Joulia Meshalkina, Ilya Mazirov, Riccardo Valentini, and Ivan Vasenev RT SAU, LAMP, Moscow, Russian Federation Towers setup were very close for both sites 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. Brief Sonic anemometer CSAT 3. IRGA LI 7200. Thermometer - hygrometer HC 2 S 3 Quantum sensor LI 190 SB. Net radiometer NR 01. Raing gage TE 525 MM (Texas Electronics). Soil Water Content Reflectometer. CS 650 at depths 5, 20, 50 sm Heat Flux detector. HFP 01. at pedth 8 cm. Data logger CR 1000. LAN card reader NL 115 (Campbell Scientific). Power source DC 12 V 20 Description Biomet NEE Reco GPP Cumulative Dependencies Conclusion

Climate determined differences in carbon dioxide fluxes dynamics between two comparable agroecosystems of Central Russia Alexis Yaroslavtsev, Joulia Meshalkina, Ilya Mazirov, Riccardo Valentini, and Ivan Vasenev RT SAU, LAMP, Moscow, Russian Federation ○ - Moscow field ● - Kursk field • Temporal pattern of PAR was similar for both fields • Higher PAR values were observed for Kursk field Brief Description Biomet NEE Reco GPP Cumulative Dependencies Conclusion

Climate determined differences in carbon dioxide fluxes dynamics between two comparable agroecosystems of Central Russia Alexis Yaroslavtsev, Joulia Meshalkina, Ilya Mazirov, Riccardo Valentini, and Ivan Vasenev RT SAU, LAMP, Moscow, Russian Federation ○ - Moscow field ● - Kursk • Temporal pattern of PAR was similar for both fields • Higher PAR values were observed for Kursk field Brief Description Biomet NEE Reco GPP Cumulative Dependencies Conclusion

Climate determined differences in carbon dioxide fluxes dynamics between two comparable agroecosystems of Central Russia Alexis Yaroslavtsev, Joulia Meshalkina, Ilya Mazirov, Riccardo Valentini, and Ivan Vasenev RT SAU, LAMP, Moscow, Russian Federation ○ - Moscow field ● - Kursk field • Kursk’s moisture was higher through the all season due to better chernozem’s retention capacity • Amount and dynamics of precipitation and as a result SWC at studied plots differed distinctly Brief Description Biomet NEE Reco GPP Cumulative Dependencies Conclusion

Climate determined differences in carbon dioxide fluxes dynamics between two comparable agroecosystems of Central Russia Alexis Yaroslavtsev, Joulia Meshalkina, Ilya Mazirov, Riccardo Valentini, and Ivan Vasenev RT SAU, LAMP, Moscow, Russian Federation Biomet conclusions • Weather patterns were similar for both fields in 2013 • PAR, soil temperature and moisture were higher for Kursk field, nevertheless Moscow field had a higher precipitation values • Higher SWC with less precipitation rates in Kursk were kept due to chernozems Brief Description Biomet NEE Reco GPP Cumulative Dependencies Conclusion

Climate determined differences in carbon dioxide fluxes dynamics between two comparable agroecosystems of Central Russia Alexis Yaroslavtsev, Joulia Meshalkina, Ilya Mazirov, Riccardo Valentini, and Ivan Vasenev RT SAU, LAMP, Moscow, Russian Federation Net Ecosystem Exchange diurnally ○ - Moscow field ● - Kursk • • • Brief Diurnal patterns of NEE clearly showed significant interseasonal and interplot differences Higher diurnal differences in May were driven by different crop development stage Maximal CO 2 sink were observed during June for both fields, but the Pristen site showed similar sink values and dynamics for May Description Biomet NEE Reco GPP Cumulative Dependencies Conclusion

Climate determined differences in carbon dioxide fluxes dynamics between two comparable agroecosystems of Central Russia Alexis Yaroslavtsev, Joulia Meshalkina, Ilya Mazirov, Riccardo Valentini, and Ivan Vasenev RT SAU, LAMP, Moscow, Russian Federation Net Ecosystem Exchange • NEE dynamics is the sum of GPP and Reco dynamics and determined by the same factors • The number of net sink days for Kursk and Moscow fields were 85 and 67 days, respectively ○ - Moscow field ● - Kursk Brief Description Biomet NEE Reco GPP Cumulative Dependencies Conclusion

Climate determined differences in carbon dioxide fluxes dynamics between two comparable agroecosystems of Central Russia Alexis Yaroslavtsev, Joulia Meshalkina, Ilya Mazirov, Riccardo Valentini, and Ivan Vasenev RT SAU, LAMP, Moscow, Russian Federation Net Ecosystem Respiration ○ - Moscow field ● - Kursk • Reco peaks well correspond to raining periods Brief Description Biomet NEE Reco GPP Cumulative Dependencies Conclusion

Climate determined differences in carbon dioxide fluxes dynamics between two comparable agroecosystems of Central Russia Alexis Yaroslavtsev, Joulia Meshalkina, Ilya Mazirov, Riccardo Valentini, and Ivan Vasenev RT SAU, LAMP, Moscow, Russian Federation Gross Plant Production • Main GPP dynamics driver was different crop development stage: Kursk’s barley earlier sowing and longer growing period • Higher GPP values were due to better climate and soil parameters in Kursk (higher PAR, temperature and soil moisture) • General trends for Reco and GPP are same for both fields and between itself and determined by crop development stage ○ - Moscow field ● - Kursk Brief Description Biomet NEE Reco GPP Cumulative Dependencies Conclusion

Climate determined differences in carbon dioxide fluxes dynamics between two comparable agroecosystems of Central Russia Alexis Yaroslavtsev, Joulia Meshalkina, Ilya Mazirov, Riccardo Valentini, and Ivan Vasenev RT SAU, LAMP, Moscow, Russian Federation Gross Plant Production GPP shifted at the seeds time (0 – point) for EC station in Moscow (green triangles) and station in Kursk (blue diamonds). Solid lines represent 7 -day running mean values for station in Moscow (the red line) and for station in Kursk (black line). Vertical lines show the conventional boundaries of the stages of crop development: 0 – seeds, 1 germination, 2 – sprouting, 3 tillering, 4 - leaf tube formation, 5 – milky ripeness, 6 - wax ripeness, 7 - complete ripeness, 8 - harvest. Brief Description Biomet NEE Reco GPP Cumulative Dependencies Conclusion

Climate determined differences in carbon dioxide fluxes dynamics between two comparable agroecosystems of Central Russia Alexis Yaroslavtsev, Joulia Meshalkina, Ilya Mazirov, Riccardo Valentini, and Ivan Vasenev RT SAU, LAMP, Moscow, Russian Federation NEE, Reco, GPP cumulative • All cumulative functions in Kursk were consistently highe than in Moscow ○ - Moscow field ● - Kursk Brief Description Biomet NEE Reco GPP Cumulative Dependencies Conclusion

Climate determined differences in carbon dioxide fluxes dynamics between two comparable agroecosystems of Central Russia Alexis Yaroslavtsev, Joulia Meshalkina, Ilya Mazirov, Riccardo Valentini, and Ivan Vasenev RT SAU, LAMP, Moscow, Russian Federation Moscow field (red line) , Kursk field (blue line) Brief Description Biomet NEE Reco GPP Cumulative Dependencies Conclusion

Climate determined differences in carbon dioxide fluxes dynamics between two comparable agroecosystems of Central Russia Alexis Yaroslavtsev, Joulia Meshalkina, Ilya Mazirov, Riccardo Valentini, and Ivan Vasenev RT SAU, LAMP, Moscow, Russian Federation Two ways ANOVA of cumulate GPP depending on place (Kursk or Moscow) and phases of barley development Phases: η 2 =0. 92 Zone: η 2 =0. 70 1 -Kursk, 2 - Moscow Brief Description Biomet NEE Reco GPP Cumulative Dependencies Conclusion

Climate determined differences in carbon dioxide fluxes dynamics between two comparable agroecosystems of Central Russia Alexis Yaroslavtsev, Joulia Meshalkina, Ilya Mazirov, Riccardo Valentini, and Ivan Vasenev RT SAU, LAMP, Moscow, Russian Federation Conclusion 1. Essentially higher gross primary production (GPP) values were in Kursk due to its better climate and soil parameters (higher PAR, temperature and soil moisture) 2. General trends for ecosystem’s respiration (Reco) and GPP and determined by crop phase 3. Obtained unique for Russian agriculture data will be used for land-use models, environmental assessment, soil organic carbon dynamics prediction and agroecological evaluation Brief Description Biomet NEE Reco GPP Cumulative Dependencies Conclusion