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Marty, Jean-Claude; Chiavérini, Jacques (2002): Primary production at time series station DYFAMED. PANGAEA, https://doi.org/10.1594/PANGAEA.738606, Supplement to: Marty, J-C; Chiavérini, J (2002): Seasonal and interannual variations in phytoplankton production at DYFAMED time-series station, northwestern Mediterranean Sea. Deep Sea Research Part II: Topical Studies in Oceanography, 49(11), 2017-2030, https://doi.org/10.1016/S0967-0645(02)00025-5

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Abstract:
Phytoplankton carbon assimilation has been measured near monthly using the 14C method at DYFAMED France JGOFS time-series station from 1993 to 1999. Data were obtained using the “LET GO” technique, which allowed in situ injection of bicarbonate and incubation in enclosures at 10 depths. Incubation duration was 4 h around noon, from which daily production was estimated. The seasonal variation of the depth-integrated carbon assimilation exhibits a marked cycle. Maximum values reach 1.8 g C/m**2/d in March or April; constant lower values were observed from August to January, in the range 100-300 mg C/m**2/d. The annual primary production vary in the range 86-232 g C/m**2/yr, in the upper range of older estimations. Primary production normalized to chlorophyll a shows maximum values in the period of oligotrophy. This increase of carbon assimilation rate per unit of chlorophyll a appears as linked to the period of phosphorus-limited ecosystem, and vertical distribution of taxonomic pigments suggests a possible role of cyanobacteria. Potential export production has been estimated from primary production data and Fp ratio based on pigments concentrations. These estimates (which imply biological steady state conditions) vary in a wide range, from 19 to 71 g C/m**2/yr. There is a decoupling between years with high potential export production and years with high measured particulate fluxes, which highlights the question of balance by resupply of the limiting nutrients and the role of dissolved organic carbon. A possible shift of primary production towards a more regeneration-dominated system is suggested for recent years.
Coverage:
Latitude: 43.427700 * Longitude: 7.252200
Date/Time Start: 1993-07-06T11:28:00 * Date/Time End: 1999-12-18T15:30:00
Event(s):
DYFAMED_LetGo_19930706 * Latitude: 43.427700 * Longitude: 7.252200 * Date/Time Start: 1993-07-06T11:28:00 * Date/Time End: 1993-07-06T15:11:00 * Campaign: DYFAMED * Basis: Time-series station * Device: Let Go (LETGO) * Comment: Position of the DYFAMED primary station.
DYFAMED_LetGo_19930907 * Latitude: 43.427700 * Longitude: 7.252200 * Date/Time Start: 1993-09-07T11:46:00 * Date/Time End: 1993-09-07T15:46:00 * Campaign: DYFAMED * Basis: Time-series station * Device: Let Go (LETGO) * Comment: Position of the DYFAMED primary station.
DYFAMED_LetGo_19931004 * Latitude: 43.427700 * Longitude: 7.252200 * Date/Time Start: 1993-10-04T11:20:00 * Date/Time End: 1993-10-04T15:25:00 * Campaign: DYFAMED * Basis: Time-series station * Device: Let Go (LETGO) * Comment: Position of the DYFAMED primary station.
Size:
65 datasets

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Datasets listed in this Collection

  1. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1993-07-06. https://doi.org/10.1594/PANGAEA.183619
  2. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1993-09-07. https://doi.org/10.1594/PANGAEA.183620
  3. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1993-10-04. https://doi.org/10.1594/PANGAEA.183621
  4. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1993-11-08. https://doi.org/10.1594/PANGAEA.183622
  5. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1993-12-06. https://doi.org/10.1594/PANGAEA.183623
  6. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1994-01-12. https://doi.org/10.1594/PANGAEA.183624
  7. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1994-02-01. https://doi.org/10.1594/PANGAEA.183625
  8. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1994-02-09. https://doi.org/10.1594/PANGAEA.183626
  9. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1994-03-04. https://doi.org/10.1594/PANGAEA.183627
  10. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1994-04-07. https://doi.org/10.1594/PANGAEA.183628
  11. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1994-04-28. https://doi.org/10.1594/PANGAEA.183629
  12. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1994-06-02. https://doi.org/10.1594/PANGAEA.183630
  13. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1994-07-05. https://doi.org/10.1594/PANGAEA.183631
  14. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1994-08-21. https://doi.org/10.1594/PANGAEA.183632
  15. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1994-09-25. https://doi.org/10.1594/PANGAEA.183633
  16. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1994-10-15. https://doi.org/10.1594/PANGAEA.183634
  17. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1994-11-20. https://doi.org/10.1594/PANGAEA.183635
  18. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1995-01-17. https://doi.org/10.1594/PANGAEA.183636
  19. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1995-02-10. https://doi.org/10.1594/PANGAEA.183637
  20. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1995-03-09. https://doi.org/10.1594/PANGAEA.183638
  21. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1995-04-02. https://doi.org/10.1594/PANGAEA.183639
  22. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1995-05-11. https://doi.org/10.1594/PANGAEA.183640
  23. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1995-05-12. https://doi.org/10.1594/PANGAEA.183641
  24. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1995-05-14. https://doi.org/10.1594/PANGAEA.183642
  25. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1995-05-15. https://doi.org/10.1594/PANGAEA.183643
  26. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1995-05-27. https://doi.org/10.1594/PANGAEA.183644
  27. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1995-05-28. https://doi.org/10.1594/PANGAEA.183645
  28. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1995-05-30. https://doi.org/10.1594/PANGAEA.183646
  29. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1995-06-08. https://doi.org/10.1594/PANGAEA.183647
  30. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1995-07-07. https://doi.org/10.1594/PANGAEA.183648
  31. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1995-07-08. https://doi.org/10.1594/PANGAEA.183649
  32. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1995-09-14. https://doi.org/10.1594/PANGAEA.183650
  33. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1995-10-05. https://doi.org/10.1594/PANGAEA.183651
  34. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1996-03-01. https://doi.org/10.1594/PANGAEA.183652
  35. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1996-04-05. https://doi.org/10.1594/PANGAEA.183653
  36. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1996-05-23. https://doi.org/10.1594/PANGAEA.183654
  37. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1996-06-14. https://doi.org/10.1594/PANGAEA.183655
  38. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1996-07-10. https://doi.org/10.1594/PANGAEA.183656
  39. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1996-10-01. https://doi.org/10.1594/PANGAEA.183657
  40. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1996-12-03. https://doi.org/10.1594/PANGAEA.183658
  41. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1997-01-13. https://doi.org/10.1594/PANGAEA.183659
  42. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1997-02-23. https://doi.org/10.1594/PANGAEA.183660
  43. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1997-03-02. https://doi.org/10.1594/PANGAEA.183661
  44. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1997-04-15. https://doi.org/10.1594/PANGAEA.183662
  45. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1997-05-15. https://doi.org/10.1594/PANGAEA.183663
  46. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1997-07-12. https://doi.org/10.1594/PANGAEA.183664
  47. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1997-09-01. https://doi.org/10.1594/PANGAEA.183665
  48. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1997-11-18. https://doi.org/10.1594/PANGAEA.183666
  49. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1998-02-06. https://doi.org/10.1594/PANGAEA.183667
  50. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1998-03-16. https://doi.org/10.1594/PANGAEA.183668
  51. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1998-05-06. https://doi.org/10.1594/PANGAEA.183669
  52. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1998-05-07. https://doi.org/10.1594/PANGAEA.183670
  53. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1998-07-22. https://doi.org/10.1594/PANGAEA.183671
  54. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1998-09-04. https://doi.org/10.1594/PANGAEA.183672
  55. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1999-02-04. https://doi.org/10.1594/PANGAEA.183673
  56. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1999-03-19. https://doi.org/10.1594/PANGAEA.183674
  57. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1999-04-11. https://doi.org/10.1594/PANGAEA.183675
  58. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1999-05-15. https://doi.org/10.1594/PANGAEA.183676
  59. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1999-06-12. https://doi.org/10.1594/PANGAEA.183677
  60. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1999-06-14. https://doi.org/10.1594/PANGAEA.183678
  61. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1999-07-10. https://doi.org/10.1594/PANGAEA.183679
  62. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1999-08-28. https://doi.org/10.1594/PANGAEA.183680
  63. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1999-09-09. https://doi.org/10.1594/PANGAEA.183681
  64. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1999-10-28. https://doi.org/10.1594/PANGAEA.183682
  65. Marty, J-C; Chiavérini, J (2002): Primary production at time series station DYFAMED from date 1999-12-18. https://doi.org/10.1594/PANGAEA.183683