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This data package was submitted to a staging environment for testing purposes only. Use of these data for anything other than testing is strongly discouraged.

Data Package Summary    View Full Metadata

  • Chronosequence litter biomass flux: White Mountain National Forest, NH – 1993-2007
  • Yanai, Ruth D; SUNY College of Environmental Science and Forestry
    Arthur, Mary A; University of Kentucky
    Acker, Marty; US Fish and Wildlife
    Vadeboncoeur, Matthew A; University of New Hampshire
  • 2023-03-17
  • Yanai, R.D., M.A. Arthur, M. Acker, and M.A. Vadeboncoeur. 2023. Chronosequence litter biomass flux: White Mountain National Forest, NH – 1993-2007 ver 1. Environmental Data Initiative. https://doi.org/DOI_PLACE_HOLDER (Accessed 2024-12-27).

  • The project was designed to determine the litter flux of biomass and nutrients to the forest floor in 14 stands (the “Federer Chronosequence”) of northern hardwood forests. These 14 stands are located in the White Mountains of New Hampshire. Monitoring litterfall occurred from 1993 through 1996, and again from fall 2003 through summer 2006.

    Litterfall mass from 1993 through summer 1996 is displayed as annual sums at the basket level. Litterfall mass from fall 1996 through summer 1997 is displayed as the mean annual litterfall mass per transect line. Litterfall mass from fall 2003 through summer 2004 is displayed as annual sums at the basket level. Litterfall mass from fall 2004 through summer 2005 is displayed as the mean litterfall mass per transect line in both fall and summer. Litterfall mass from fall 2005 through summer 2006 is displayed at the basket level, separated by season. Litterfall was sorted by species in all years except for 2005-06. Twig mass is reported for the 2005-06 litter collection. Litter chemistry was measured in fresh litter samples collected in the same stands from 1994 through 2004.

    Raw, unedited data sorted by season can be found in “Other Entities”, though note the substantial changes that occurred between these values and the processed values published in this dataset.

    Related publications:

    Yanai, R. D., Arthur, M. A., Acker, M., Levine, C. R., & Park, B. B. (2012). Variation in mass and nutrient concentration of leaf litter across years and sites in a northern hardwood forest. Canadian Journal of Forest Research, 42(8), 1597-1610.

    Marty Acker: https://uknowledge.uky.edu/gradschool_theses/286/

    Yang, Y., Yanai, R. D., See, C. R., & Arthur, M. A. (2017). Sampling effort and uncertainty in leaf litterfall mass and nutrient flux in northern hardwood forests. Ecosphere, 8(11), e01999.

  • Geographic Coordinates
    • N: 43.939, S: 43.9355, E: -71.7369, W: -71.7404
    • N: 44.061, S: 44.036, E: -71.265, W: -71.323
    • N: 43.992, S: 43.991, E: -71.418, W: -71.42
    • N: 44.06, S: 44.058, E: -71.411, W: -71.412
    • N: 44.222, S: 44.22, E: -71.237, W: -71.242
    • N: 44.155, S: 44.145, E: -71.236, W: -71.238
  • knb-lter-hbr.370.1  (Uploaded 2023-03-17)  
  • View Full Metadata (64 views)
  • View Quality Report
  •  (1 download) 
  • Data Entities:
    1. chronosequence_litter_1993-96_basket  (44.5 KiB; 8 downloads) 
    2. chronosequence_litter_1996-97_line_mean  (4.8 KiB; 7 downloads) 
    3. chronosequence_litter_2003-04_basket  (19.1 KiB; 7 downloads) 
    4. chronosequence_litter_2004-05_line_mean_season  (11.3 KiB; 7 downloads) 
    5. chronosequence_litter_2005-06_basket_unsorted  (28.1 KiB; 6 downloads) 
    6. number_of_baskets_2003-06  (1.2 KiB; 9 downloads) 
    7. chronosequence_litter_chemistry_1994-2004  (16.7 KiB; 6 downloads) 
    8. chronosequenceLitter_August1995  (11.6 KiB; 5 downloads) 
    9. chronosequenceLitter_Fall1993  (35.6 KiB; 4 downloads) 
    10. chronosequenceLitter_Fall1994  (38.8 KiB; 4 downloads) 
    11. chronosequenceLitter_Fall1996_byTrap  (32.9 KiB; 5 downloads) 
    12. ChronosequenceLitterMass_2003-2005  (674.1 KiB; 4 downloads) 
    13. chronosequenceLitter_SpringSummer1996__byLine  (30.7 KiB; 5 downloads) 
    14. chronosequenceLitter_Summer1994  (17.6 KiB; 5 downloads) 
    15. chronosequenceLitter_Summer1995  (20.6 KiB; 5 downloads) 
  • This information is released under the Creative Commons license - Attribution - CC BY (https://creativecommons.org/licenses/by/4.0/). The consumer of these data ("Data User" herein) is required to cite it appropriately in any publication that results from its use. The Data User should realize that these data may be actively used by others for ongoing research and that coordination may be necessary to prevent duplicate publication. The Data User is urged to contact the authors of these data if any questions about methodology or results occur. Where appropriate, the Data User is encouraged to consider collaboration or co-authorship with the authors. The Data User should realize that misinterpretation of data may occur if used out of context of the original study. While substantial efforts are made to ensure the accuracy of data and associated documentation, complete accuracy of data sets cannot be guaranteed. All data are made available "as is." The Data User should be aware, however, that data are updated periodically and it is the responsibility of the Data User to check for new versions of the data. The data authors and the repository where these data were obtained shall not be liable for damages resulting from any use or misinterpretation of the data. Thank you.
  • DOI PLACE HOLDER
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