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The following Excel files are the primary lab reports from the Ministry of Forests analytical laboratory. At the time of this study, the lab reports would only use a minimal sample identification consisting of a sequential number (1, 2 … etc.) for each sample in a job. The submitter had to maintain their own records to link that sequential number in the report to something more meaningful – in this case, the tag number on the litterbag, the litter type, and the plot number – as recorded in my consolidated file Kenneth Creek Litterbag Sample Numbering.xlsx

• T458FINL.xls [Most of the data in this file – samples 7-31 – are for litter trap samples in the fall 1997 collection, but the first 6 are triplicate analyses of the initial pine needle litter materials used in the litterbags: #1-3 are Control, and #4-6 are ON2.]
• T483FINL.xls [Litterbags recovered May 5, 1998]
• T508FINL1.xls [Samples 19-42 are from the Kenneth Creek litterbags, recovered Oct. 20, 1998; samples 1-18 are from the EP 1148 (Bobtail) litterbag experiment, recovered Oct. 1998]
• T551FINL.xls [Litterbags recovered April 30, 1999]
• T589F.xls [Litterbags recovered October 12, 1999]
• T613FINL.xls [Litterbags recovered May 4, 2000]
• T650FINL.xls [Litterbags recovered October 11, 2000]
• T700FINL.xls [Litterbags recovered September 27 – October 5, 2001]
• T765FINL.xls [Litterbags recovered September 21, 2002]
• T830FINL.xls [Litterbags recovered October 15, 2003]
• T901FINL.xls [Litterbags recovered October 1, 2004]

Two files contain the complete records of initial litter materials and recovered litterbag contents, with some limited summaries of mean values by treatment and recovery date:

• BowDcomp.xls [complete record of weights of recovered litterbag contents in “Raw Data” tab]
• Bowron Litterbag Chemistry (update Aug 2010).xls [complete compilation of chemical analyses of initial and recovered litterbag materials]

Includes the following data sets from Kenneth Creek installation litterfall collection:

Traps were emptied 3 times per year (May, August, October) and the weights of the sorted contents of each trap were reported for each collection interval in these files:

• BOWAUG95.XLS
• BOWOCT95.XLS
• BOWMAY96.XLS
• BOWAUG96.XLS
• BOWOCT96.XLS
• BOWMAY97.XLS
• BOWAUG97.XLS
• BOWOCT97.XLS
• BOWMAY98.XLS
• BOWAUG98.XLS
• BOWOCT98.XLS
• BOWMAY99.XLS

Sorted litter trap materials – composited for each plot and sampling date – were submitted annually to the Ministry of Forests and Range Analytical Chemistry Laboratory for analysis. The following files provide the link between the sequential sample numbers used in the lab result reports and the records of sampling date, plot number, and material type:

• BOW95LIS.xls
• BOW96LIS.xls
• BOW97LIS.xls
• BOW98LIS.XLS
• BOW99LIS.XLS

The following files have the original lab reports in the “Raw Data” pane, and the lab data merged with the sample identification information in the “Labelled” pane:

• T368finl (May -Oct 1995).xls [August & October 1995 litter collections]
• T384finl (Oct 1995-May 1996).xls [May 1996 litter collection]
• T424finl (May-Oct 1996).xls [August & October 1996 litter collections]
• T442finl (Oct 1996-May 1997).xls [May 1997 litter collection; sample numbers shown in red indicate small samples, so micronutrient data may have lower accuracy]
• T458finl (May-Aug 1997.xls [August 1997 litter collection; samples #1-6 are the initial pine needle litter materials used in the companion litterbag decomposition experiment, with #1-3 = Control, #4-6 = ON2]
• T463finl (Aug-Oct 1997).xls [October 1997 litter collection]
• T488FINL (Oct 1997-May 1998).xls [May 1998 litter collection]
• T518finl (May-Aug 1998).xls [August 1998 litter collection]
• T530finl (Aug-Oct 1998).xls [October 1998 litter collection]
• T568FINL (Oct 1998-May 1999).xls [May 1999 litter collection]

Four files have annual summaries of litterfall amounts, element concentrations, and element fluxes by plot and treatment:

• Litterfall Summary 1995-96.xls
• Litterfall Summary 1996-97.xls
• Litterfall Summary 1997-98.xls
• Litterfall Summary 1998-99.xls

More compact tabular summaries of the litterfall and element fluxes over the 4-year period of monitoring are in:

• Litterfall Annual Flux Summary.xls
• Litterfall Annual Fluxes 1995-99 (Tables).xls

Three additional files provide pine foliar chemical data and preliminary estimates of the extent of element retranslocation from foliage prior to litterfall:

• Kenneth Creek (EP886.13) foliar data (1993-99) .xlsx
• Kenneth Creek nutrient retranslocation.xls
• Autumn foliage & needle litter comparison.xls

Includes the following data sets:

• 084996.CSV [whole-rock elemental analyses for < 2 mm fractions of C horizon of Kenneth Creek (KC) ( = “Bowron”) reference pedon; also includes data for C horizon of Holy Cross (HC) pedon related to E.P. 886.15 documented in https://www.for.gov.bc.ca/hfd/pubs/Docs/Tr/Tr020.htm ]
• 99-479ps.xls [particle size analysis (pipette method) data for plot composites of 1999 mineral soil samples by 0-20 cm and 20-40 cm depths]
• Kenneth Creek Db (1999).xls [bulk density data for 2 sampling locations per subplot = 8 per plot; cores collected at 10-14 cm (U) and 30-34 cm (L) depths]
• EP886.13 (Kenneth Ck) Db data.xls [provides additional detail on fine fraction and total bulk density along with plot and treatment means]
• Kenneth Creek pedon Db (2005).xls [bulk density data collected from the same pit where the “Bowron” pedon was sampled for Arocena and Sanborn (1999)]

The 1996 chemical data for forest floor and mineral soil (0-15 cm) are in:

• D96MIN1.xls
• D96MIN2.xls
• D96FOR1.xls
• D96FOR2.xls
  [In the “Installation” column, 1 = Sheridan Creek and 2 = Kenneth Creek.]

Consolidated versions of the 1996 data:

• EP886.13 Mineral Soil Chemistry (1996).xls
• EP886.13 Forest Floor Chemistry (1996).xls

The forest floor mass / area data are given in:

• Kenneth Creek 1999 Forest Floor Mass.xls
• Kenneth Creek 2005 forest floor mass.xls

Comparison of the 1999 and 2005 forest floor mass data is given by:

• Kenneth Creek 1999-2005 Forest Floor Mass Comparison.xls

The original laboratory data reports for 1999 identified the samples only with a sequential lab sample number (1-72). The complete sample identifications showing the lab sample number, plot, and sub-plot are in 1999 Soil Sample Lists.xls. For the 2005 samples, the laboratory data reports contain the complete identifying information.

• S370finl.xls [1999 mineral soil 0-20 cm]
• S371finl.xls [1999 mineral soil 20-40 cm]
• S375finl2.xls [1999 forest floor]
• S821finl.xls [2005 mineral soil 0-20 cm]
• S822finl.xls [2005 mineral soil 20-40 cm]
• S824finl.xls [2005 forest floor]

More complete versions of the soil chemical data with plot and treatment means, including calculations of elemental mass / hectare by plot and treatment (for 1999 only), are given in:

• EP886.13 Forest Floor Chemistry (1999).xls
• EP886.13 Mineral Soil Chemistry (1999) 0-20 cm.xls
• EP886.13 Mineral Soil Chemistry (1999) 20-40 cm.xls
• EP886.13 Forest Floor Chemistry (2005).xls
• EP886.13 Mineral Soil Chemistry (2005) 0-20 cm.xls
• EP886.13 Mineral Soil Chemistry (2005) 20-40 cm.xls

Calculations of carbon mass by plot and treatment (1999 only) are given in:

• EP886.13 Forest Floor Mass and Carbon Content (1999).xls
• EP886.13 Mineral Soil Carbon Content and Mass(1999).xls

Nutrient pools (kg/ha) are summarized by treatment (1999 only) in:

• Kenneth Creek Nutrient Pools Summary (1999).xls

A spinoff study was conducted in the late 1990s by the Ministry of Forests research soil scientists responsible for the three LTSPS installations in the Sub-Boreal Spruce zone: Paul Sanborn (Log Lake, Prince George Forest Region), Marty Kranabetter (Topley, Prince Rupert Forest Region), and Bill Chapman (Skulow Lake, Cariboo Forest Region). The objective was to estimate the potential nutrient losses resulting from differing levels of woody biomass removal in the LTSPS treatments.

Final results were published in:
Sanborn, P., M. Kranabetter, and B. Chapman. 2000. Nutrient removals in woody biomass: preliminary estimates from the Sub-Boreal Spruce Long-Term Soil Productivity Study. LTSPS Research Note #LTSPS-04. Prince George, Prince Rupert, and Cariboo Forest Regions, B.C. Ministry of Forests. 6 p. https://www.for.gov.bc.ca/hfd/pubs/Docs/Ltsps/Rrn004.htm

File contains the following data sets:

• S1292Final.xlsx [chemical analysis data for mineral horizons, Ministry of Forests & Range, Analytical Chemistry Laboratory]
• S1293Final.xlsx [chemical analysis data for organic horizons, Ministry of Forests & Range, Analytical Chemistry Laboratory]
• B299530-R2013-02-18_15-47-21_N001.xls [particle size analysis data for mineral horizons, Maxxam Laboratories]
• B299530-R2013-02-18_15-47-21_R014.pdf [particle size analysis data for mineral horizons, Maxxam Laboratories]
• Northern Rockies 2012 sample list - Maxxam.xls [list of samples submitted to Maxxam Laboratories for particle size analysis; indicates which samples needed carbonate removal pretreatment]
• N Rockies 2012 - master data file.xlsx [working copy of combined chemical and particle size data in report format]

Data sets associated with the Arocena & Sanborn 1999 regional soil mineralogy study:

• S234FINL.XLS [data report for mineral horizons from MoF Analytical Chemistry Laboratory, June 20 1996]
• S235FINL.XLS [data report for organic horizons from MoF Analytical Chemistry Laboratory, June 20 1996]
• SAMPLIST.XLS [conversion table for sample numbers used in MoF lab data reports]
• Fe Al extractions.xlsx [assembled from lab data report by L. Arocena for oxalate & dithionite extractions; pyrophosphate extraction data from MoF lab]
• MINSTUDY.XLS [consolidated lab data for organic & mineral horizons, except for BaCl2 exchangeable cations]
• MINCEC.XLS [BaCl2 exchangeable cations & Morgan’s extraction for organic & mineral horizons]
• Soilcon_96-016_particle size_scan0178.pdf [particle size analysis data from Soilcon Laboratories; sample numbers correspond to those given in SAMPLIST.XLS; note that the first 12 samples identified as “Plot 1 … Plot 12” were from a different study (0-20 cm mineral soil composites from E.P. 1185)]

File contains a computer print-out of the Aleza Lake Research Forest Management Plan #1 for the years 1992 to 2002, which was prepared by Mike Jull.