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TP088: Population dynamics of young forest stands as affected by density and nutrient regime in the Andrews Experimental Forest, 1981-1997

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Status: notPlanned
Period: 1981-01-01 to 1997-01-01
Version: 6
Published: 2011-09-14
EDI Package ID: knb-lter-and.3256.6
Source XML: TP088_6.xml

Notice

"As Is" Basis: All content, including maps and forecasts, is provided without warranties. Users are advised to independently verify critical information.

Citation

Perry, D. 2011. Population dynamics of young forest stands as affected by density and nutrient regime in the Andrews Experimental Forest, 1981-1997 Long-Term Ecological Research Andrews Forest LTER Site. [Database]. Available: https://andrewsforest-stage.forestry.oregonstate.edu/data/fsdb-data-catalog/TP088 Accessed 2026-05-10.

Abstract

To test hypotheses concerning feedback mechamisms (competition and mortality) which effect the dynamics of plant population development. Specifically, to test if manipulation of site quality (through fertilization) or the variance in individual tree leaf area (through pruning) will produce changes in the dominance hierarchy and thus in the growth mode of stands as they approach self-thinning (mortality).

Coverage

Temporal coverage: 1981-01-01 to 1997-01-01

Geographic coverage: Oregon Western Cascades, H.J. Andrews Experimental Forest

Spatial coverage:

Bounds: W -122.19824144, E -122.15081644, N 44.25702372, S 44.22808396

Purpose

No purpose entries listed in this EML file.

Project

Title: Long-Term Ecological Research

Personnel
  • Sherri L. Johnson - Principal Investigator
    US Forest Service ;Pacific NW Research Station ;3200 SW Jefferson Way, Corvallis, OR, 97331, USA
    Phone: 541-758-7771
    Email: sherri.johnson2@usda.gov, sherri.johnson@oregonstate.edu
  • Julia A. Jones - Principal Investigator
    Oregon State University;Department of Geosciences; Wilkinson Hall 104, Corvallis, OR, 97331-5506, USA
    Phone: (541) 737-1224
    Email: Julia.Jones@oregonstate.edu, geojulia@comcast.net
    ORCID: http://orcid.org/0000-0001-9429-8925
  • Matthew G Betts - Principal Investigator
    Department of Forest Ecosystems and Society; 201E Richardson Hall; College of Forestry; Oregon State University, Corvallis, OR, 97331
    Phone: (541) 737-3841
    Email: matt.betts@oregonstate.edu
  • Michael P. Nelson - Principal Investigator
    Department of Forest Ecosystems and Society; 201K Richarson Hall; College of Forestry; Oregon State University, Corvallis, OR, 97331
    Phone: 541-737-9221
    Email: mpnelson@oregonstate.edu
    ORCID: http://orcid.org/0000-0001-6917-4752
  • David Bell - Principal Investigator
    Email: david.bell@usda.gov, david.bell@oregonstate.edu
Abstract
  • The H.J. Andrews Experimental Forest is a living laboratory that provides unparalleled opportunities for the study of forest and stream ecosystems in the central Cascade Range of Oregon. Since 1980, as a part of the National Science Foundation Long Term Ecological Research (NSF-LTER) program, the Andrews Experimental Forest has become a leader in the analysis of forest and stream ecosystem dynamics.
  • Long-term field experiments and measurement programs have focused on climate dynamics, streamflow, water quality, and vegetation succession. Currently researchers are working to develop concepts and tools needed to predict effects of natural disturbance, land use, and climate change on ecosystem structure, function, and species composition.
  • The Andrews Experimental Forest is administered cooperatively by the USDA Forest Service Pacific Northwest Research Station, Oregon State University and the Willamette National Forest. Funding for the research program comes from the National Science Foundation (NSF), US Forest Service Pacific Northwest Research Station, Oregon State University, and other sources.
Funding

Data were provided by the HJ Andrews Experimental Forest research program, funded by the National Science Foundation's Long-Term Ecological Research Program (DEB 2025755), US Forest Service Pacific Northwest Research Station, and Oregon State University. National Science Foundation: DEB1440409

Study Area Description
  • Long-Term Ecological Research
    The Andrews Forest is situated in the western Cascade Range of Oregon, and covers the entire 15,800-acre (6400-ha) drainage basin of Lookout Creek. Elevation ranges from 1350 to 5340 feet (410 to 1630 m). Broadly representative of the rugged mountainous landscape of the Pacific Northwest, the Andrews Forest contains excellent examples of the region's conifer forests and associated wildlife and stream ecosystems. These forests are among the tallest and most productive in the world, with tree heights of often greater than 250 ft (75 m). Streams are steep, cold and clean, providing habitat for numerous aquatic organisms.
Associated Party
  • David A. Perry
    Role: Principal Investigator
    1491 Draper Valley Road, Selma, OR, 97538, USA
    Phone: 541-597-4650
    Email: dave_perry38@msn.com
  • Tom E. Bell
    Role: Other Researcher
  • P. E. Schroeder
    Role: Other Researcher
  • C. Choquette
    Role: Other Researcher
  • P. E. Schroeder
    Role: Abstractor
  • David A. Perry
    Role: Creator
    1491 Draper Valley Road, Selma, OR, 97538, USA
    Phone: 541-597-4650
    Email: dave_perry38@msn.com
Contact
  • Information Manager
    Andrews Forest LTER Program, US Forest Service Pacific Northwest Research Station, 3200 SW Jefferson Way, Corvallis, OR, 97331
    Email: hjaweb@fsl.orst.edu
Publisher
  • Andrews Forest LTER Site
    Role: Publisher
    Forest Ecosystems and Society Department in Forestry, Oregon State University, 201K Richardson Hall, Corvallis, OR, 97331-5752
    Phone: (541) 737-8480
    Email: lterweb@fsl.orst.edu
Study Description

To test hypotheses concerning feedback mechamisms (competition and mortality) which effect the dynamics of plant population development. Specifically, to test if manipulation of site quality (through fertilization) or the variance in individual tree leaf area (through pruning) will produce changes in the dominance hierarchy and thus in the growth mode of stands as they approach self-thinning (mortality). Field Methods - TP088

Methods

Method Steps

Field Methods - TP088
  • Thinning - density reduced to 15% and 25% of maximum stand density. Fertilization - area added at 50kg/ha/year until new September foliage contains 2% N. Additional applications to maintain this level. Pruning - the meet crown width criterion (see study plan). Height, diameter, and sapwood area will be measured for a sample of trees every second year.

Sampling

Study Extent
  • Mid-elevation sites in the Western Oregon Cascades of similar stand characteristics, 2 on north-facing, 2 on south-facing slopes.
Sampling Description
  • Four replications of 3 density levels each. In a split-plot design we will establish two urea fertilization treatments (fertilized and unfertilized) in each density level, and two pruning treatments (pruned and unpruned) in each fertilization treatment.This establishes 12 treatment combinations per replication.Within each treatment combination a 50 tree measurement plot will be established.
Spatial Sampling Units
  • UNIT L701
    W -122.15770868, E -122.15081644, N 44.23791408, S 44.23267397
    Altitude: 910 to 910 meter
  • UNIT L107
    W -122.19087899, E -122.18682863, N 44.23238400, S 44.22808396
    Altitude: 722 to 722 meter
  • UNIT L405
    W -122.19824144, E -122.19122322, N 44.25702372, S 44.25284439
    Altitude: 879 to 879 meter
Software

No software entries listed in this EML file.

Keywords
  • LTER controlled vocabulary: communities (theme), populations (theme), plant ecology (theme), population dynamics (theme), stand density (theme), succession (theme), primary production (theme), growth (theme), fertilization (theme), fertilizer (theme), forests (theme), plants (theme)
  • Andrews Experimental Forest site thesaurus: Long-Term Ecological Research (LTER) (theme)
  • LTER core research areas: populations (theme), primary production (theme)
Taxonomic Hierarchy
  • All Organisms: All Organisms
  • Highest common category (ca. kingdom): Plantae
  • Division or Phylum: Coniferophyta
  • Class: Pinopsida
  • Order: Pinales
  • Family: Pinaceae
  • Genus: Tsuga
  • Species: Tsuga heterophylla
  • Genus: Pseudotsuga
  • Species: Pseudotsuga menziesii
  • Genus: Abies
  • Species: Abies amabilis
  • Species: Abies procera
  • Family: Cupressaceae
  • Genus: Thuja
  • Species: Thuja plicata
Data Entities
# Entity Metadata Data
1 TP08801
TP08801
Pre and Post-Thinning Tree Densities 1981:
 METADATA DATA
2 TP08802
TP08802
Tree measurements 1981, 1983, 1985, 1987, 1996:
 METADATA DATA
3 TP08803
TP08803
Tree Number Changes, Delayed Height Measurements, and Tree Cuts:
 METADATA DATA
4 TP08804
TP08804
Extra Tree Data- Outside the Study design (1983, 1985, 1987):
 METADATA DATA
5 TP08805
TP08805
Competition data for experimental trees:
 METADATA DATA
6 TP08806
TP08806
Mineralizable N on Sample Plots:
 METADATA DATA
7 TP08807
TP08807
Foliar N, P, K, CA, and MG Concentration, 1996:
 METADATA DATA
Metadata
TP08801 - TP08801

Object name: TP08801.csv

Records: N/A

Attributes: 12

File size: 2281 byte

Checksum (MD5): 2e26e00605dead1a3937a9ca933c7667

Format: headers=1, recordDelimiter=\r\n, fieldDelimiter=,, quoteCharacter=", orientation=column

Constraints (2)
  • primaryKey: PRIMARY
    TP08801.DENSITY, TP08801.TMT, TP08801.SITE
  • notNullConstraint: NOTNULL
    TP08801.DENSITY, TP08801.TMT, TP08801.DATACODE, TP08801.SITE, TP08801.CALCDENS, TP08801.FORMAT, TP08801.PLOT15TR, TP08801.PLOT35TR, TP08801.PLOTSIZE, TP08801.YEAR
Attributes (12)
DATACODE - char(5) (nominal)

ID: TP08801.DATACODE

Data set code

Type system: Microsoft SQL Server 2008

FORMAT - numeric(1,0) (ratio)

ID: TP08801.FORMAT

Format number

Type system: Microsoft SQL Server 2008

Unit: number

Precision: 1

Numeric domain: type=natural, min=1.0000 (exclusive=false), max=1.0000 (exclusive=false)

SITE - char(4) (nominal)

ID: TP08801.SITE

Site identification code

Type system: Microsoft SQL Server 2008

Code definitions (4)
  • L701
    UNIT L701
  • L107
    UNIT L107
  • L111
    UNIT L111
  • L405
    UNIT L405
DENSITY - char(1) (nominal)

ID: TP08801.DENSITY

Stocking density level

Type system: Microsoft SQL Server 2008

Code definitions (3)
  • C
    Control;no thinning within the stand
  • M
    Medium;density was reduced to 25% of maximum stand density index
  • L
    Low;density was reduced to 15% of maximum stand density index
TMT - char(2) (nominal)

ID: TP08801.TMT

Type of treatment applied to plots within stands

Type system: Microsoft SQL Server 2008

Code definitions (4)
  • F
    Fertilized
  • PF
    Fertilized and pruned
  • C
    Control
  • P
    Pruned
YEAR - numeric(4,0) (ratio)

ID: TP08801.YEAR

Year of data collection

Type system: Microsoft SQL Server 2008

Unit: year (yyyy)

Precision: 1

Numeric domain: type=natural, min=1981.0000 (exclusive=false), max=1981.0000 (exclusive=false)

PLOT15TR - numeric(2,0) (ratio)

ID: TP08801.PLOT15TR

Number of trees in a density plot centered at a random distance and direction from tree # 15

Type system: Microsoft SQL Server 2008

Unit: number

Precision: 1

Numeric domain: type=whole, min=4.0000 (exclusive=false), max=34.0000 (exclusive=false)

PLOT15ST - numeric(2,0) (ratio)

ID: TP08801.PLOT15ST

Number of stumps in a density plot centered at a random distance and direction from tree # 15

Type system: Microsoft SQL Server 2008

Unit: number

Precision: 1

Numeric domain: type=whole, min=1.0000 (exclusive=false), max=57.0000 (exclusive=false)

PLOT35TR - numeric(2,0) (ratio)

ID: TP08801.PLOT35TR

Number of trees in a density plot centered at a random distance and direction from tree # 35

Type system: Microsoft SQL Server 2008

Unit: number

Precision: 1

Numeric domain: type=whole, min=3.0000 (exclusive=false), max=39.0000 (exclusive=false)

PLOT35ST - numeric(2,0) (ratio)

ID: TP08801.PLOT35ST

Number of stumps in a density plot centered at a random distance and direction from tree # 15

Type system: Microsoft SQL Server 2008

Unit: number

Precision: 1

Numeric domain: type=whole, min=3.0000 (exclusive=false), max=61.0000 (exclusive=false)

PLOTSIZE - numeric(4,2) (ratio)

ID: TP08801.PLOTSIZE

Area of each circular density plot

Type system: Microsoft SQL Server 2008

Unit: hectares

Precision: 0.010000

Numeric domain: type=real, min=0.0100 (exclusive=false), max=0.1000 (exclusive=false)

CALCDENS - numeric(7,2) (ratio)

ID: TP08801.CALCDENS

Density as calculated by T. Bell

Type system: Microsoft SQL Server 2008

Unit: number

Precision: 0.010000

Numeric domain: type=real, min=123.5500 (exclusive=false), max=8895.4805 (exclusive=false)

TP08802 - TP08802

Object name: TP08802.csv

Records: N/A

Attributes: 28

File size: 677876 byte

Checksum (MD5): 40e0493b8a63c81f06be3c9c5fbc4a11

Format: headers=1, recordDelimiter=\r\n, fieldDelimiter=,, quoteCharacter=", orientation=column

Constraints (2)
  • primaryKey: PRIMARY
    TP08802.DENSITY, TP08802.TMT, TP08802.SITE, TP08802.TREENO, TP08802.YEAR
  • notNullConstraint: NOTNULL
    TP08802.DENSITY, TP08802.TMT, TP08802.DATACODE, TP08802.SITE, TP08802.FORMAT, TP08802.TREENO, TP08802.YEAR
Attributes (28)
DATACODE - char(5) (nominal)

ID: TP08802.DATACODE

Data set code

Type system: Microsoft SQL Server 2008

FORMAT - numeric(1,0) (ratio)

ID: TP08802.FORMAT

Format number

Type system: Microsoft SQL Server 2008

Unit: number

Precision: 1

Numeric domain: type=natural, min=2.0000 (exclusive=false), max=2.0000 (exclusive=false)

SITE - char(4) (nominal)

ID: TP08802.SITE

Site identification code

Type system: Microsoft SQL Server 2008

Code definitions (4)
  • L701
    UNIT L701
  • L107
    UNIT L107
  • L111
    UNIT L111
  • L405
    UNIT L405
DENSITY - char(1) (nominal)

ID: TP08802.DENSITY

Stocking density level

Type system: Microsoft SQL Server 2008

Code definitions (3)
  • C
    Control;no thinning within the stand
  • M
    Medium;density was reduced to 25% of maximum stand density index
  • L
    Low;density was reduced to 15% of maximum stand density index
TMT - char(2) (nominal)

ID: TP08802.TMT

Type of treatment applied to plots within stands

Type system: Microsoft SQL Server 2008

Code definitions (4)
  • F
    Fertilized
  • PF
    Fertilized and pruned
  • C
    Control
  • P
    Pruned
GROWTHYR - numeric(4,0) (ratio)

ID: TP08802.GROWTHYR

Growth year sample was taken

Type system: Microsoft SQL Server 2008

Unit: year (yyyy)

Precision: 1

Numeric domain: type=natural, min=1981.0000 (exclusive=false), max=81.0000 (exclusive=false)

YEAR - numeric(4,0) (ratio)

ID: TP08802.YEAR

Year of data collection

Type system: Microsoft SQL Server 2008

Unit: year (yyyy)

Precision: 1

Numeric domain: type=natural, min=1981.0000 (exclusive=false), max=1996.0000 (exclusive=false)

MONTH - numeric(2,0) (ratio)

ID: TP08802.MONTH

Month of data collection

Type system: Microsoft SQL Server 2008

Unit: month of year

Precision: 1

Numeric domain: type=natural, min=4.0000 (exclusive=false), max=12.0000 (exclusive=false)

DAY - numeric(2,0) (ratio)

ID: TP08802.DAY

Day of data collection

Type system: Microsoft SQL Server 2008

Unit: day of month

Precision: 1

Numeric domain: type=natural, min=1.0000 (exclusive=false), max=31.0000 (exclusive=false)

TREENO - numeric(3,0) (ratio)

ID: TP08802.TREENO

Permanent tree tag number

Type system: Microsoft SQL Server 2008

Unit: number

Precision: 1

Numeric domain: type=natural, min=1.0000 (exclusive=false), max=290.0000 (exclusive=false)

SPECIES - char(4) (nominal)

ID: TP08802.SPECIES

Species code according to Garrison et al., 1972

Type system: Microsoft SQL Server 2008

Code definitions (5)
  • ABAM
    Abies amabilis
  • ABPR
    Abies procera
  • PSME
    Pseudotsuga menziesii
  • THPL
    Thuja plicata
  • TSHE
    Tsuga heterophylla
STATE - char(1) (nominal)

ID: TP08802.STATE

Tree condition

Type system: Microsoft SQL Server 2008

Code definitions (2)
  • 1
    Dead
  • code
    Alive
DBH - numeric(5,1) (ratio)

ID: TP08802.DBH

Diameter at breast height

Type system: Microsoft SQL Server 2008

Unit: centimeters

Precision: 0.100000

Numeric domain: type=real, min=0.4000 (exclusive=false), max=347.0000 (exclusive=false)

HEIGHT - numeric(4,1) (ratio)

ID: TP08802.HEIGHT

Total tree height

Type system: Microsoft SQL Server 2008

Unit: meters

Precision: 0.100000

Numeric domain: type=real, min=15.0000 (exclusive=false), max=997.0000 (exclusive=false)

BARK1 - numeric(3,0) (ratio)

ID: TP08802.BARK1

Bark thickness direction 1

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=natural, min=1.0000 (exclusive=false), max=30.0000 (exclusive=false)

GR1 - numeric(3,0) (ratio)

ID: TP08802.GR1

Growth increment of last 2 years, direction 1

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=natural, min=1.0000 (exclusive=false), max=22.0000 (exclusive=false)

PRE1 - numeric(3,0) (ratio)

ID: TP08802.PRE1

Pre-thinning ring measurements together (rings 4 - 8), direction 1

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=whole, min=4.0000 (exclusive=false), max=55.0000 (exclusive=false)

TOT1 - numeric(3,0) (ratio)

ID: TP08802.TOT1

Thickness of last 10 years growth, direction 1

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=whole, min=13.0000 (exclusive=false), max=92.0000 (exclusive=false)

SAP1 - numeric(3,0) (ratio)

ID: TP08802.SAP1

Sapwood thickness direction 1

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=whole, min=8.0000 (exclusive=false), max=85.0000 (exclusive=false)

BARK2 - numeric(3,0) (ratio)

ID: TP08802.BARK2

Bark thickness direction 2

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=natural, min=2.0000 (exclusive=false), max=51.0000 (exclusive=false)

GR2 - numeric(3,0) (ratio)

ID: TP08802.GR2

Growth increment of last 2 years, direction 2

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=natural, min=1.0000 (exclusive=false), max=25.0000 (exclusive=false)

PRE2 - numeric(3,0) (ratio)

ID: TP08802.PRE2

Pre-thinning ring measurements together (rings 4 - 8), direction 2

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=whole, min=4.0000 (exclusive=false), max=55.0000 (exclusive=false)

TOT2 - numeric(3,0) (ratio)

ID: TP08802.TOT2

Thickness of last 10 years growth, direction 2

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=whole, min=18.0000 (exclusive=false), max=116.0000 (exclusive=false)

SAP2 - numeric(3,0) (ratio)

ID: TP08802.SAP2

Sapwood thickness direction 2

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=whole, min=5.0000 (exclusive=false), max=90.0000 (exclusive=false)

FLAGBAD - char(1) (nominal)

ID: TP08802.FLAGBAD

Indicates whether diameter value may be a field error

Type system: Microsoft SQL Server 2008

Code definitions (2)
  •  
    Diameter value appears to be error-free
  • *
    If present then the diameter value is suspected of being a field error
MEASDATE - char(1) (nominal)

ID: TP08802.MEASDATE

Indicates whether height was measured in a different year

Type system: Microsoft SQL Server 2008

Code definitions (2)
  •  
    Height measured on date listed in the data file
  • *
    Var 'height' measured in 1982, refer to file tp8803 for date
COND - char(1) (nominal)

ID: TP08802.COND

Tree condition code

Type system: Microsoft SQL Server 2008

Code definitions (7)
  • 6
    Leaning
  • 7
    Animal damage to base (scars)
  • 3
    Snow bent
  • 5
    Small tree, broken top, probably will live
  • 8
    Animal damage to crown
  • 2
    Broken top-dead
  • 4
    Phellinus infection
NOTES - varchar(40) (nominal)

ID: TP08802.NOTES

Comments

Type system: Microsoft SQL Server 2008

TP08803 - TP08803

Object name: TP08803.csv

Records: N/A

Attributes: 12

File size: 28625 byte

Checksum (MD5): f0ac1c080cd4394722ef7324a2ab05ae

Format: headers=1, recordDelimiter=\r\n, fieldDelimiter=,, quoteCharacter=", orientation=column

Constraints (1)
  • notNullConstraint: NOTNULL
    TP08803.DENSITY, TP08803.TMT, TP08803.DATACODE, TP08803.SITE, TP08803.FORMAT, TP08803.GROWTHYR, TP08803.YEAR
Attributes (12)
DATACODE - char(5) (nominal)

ID: TP08803.DATACODE

Data set code

Type system: Microsoft SQL Server 2008

FORMAT - numeric(1,0) (ratio)

ID: TP08803.FORMAT

Format number

Type system: Microsoft SQL Server 2008

Unit: number

Precision: 1

Numeric domain: type=natural, min=3.0000 (exclusive=false), max=3.0000 (exclusive=false)

SITE - char(4) (nominal)

ID: TP08803.SITE

Site identification code

Type system: Microsoft SQL Server 2008

Code definitions (4)
  • L701
    UNIT L701
  • L107
    UNIT L107
  • L111
    UNIT L111
  • L405
    UNIT L405
DENSITY - char(1) (nominal)

ID: TP08803.DENSITY

Stocking density level

Type system: Microsoft SQL Server 2008

Code definitions (3)
  • C
    Control;no thinning within the stand
  • M
    Medium;density was reduced to 25% of maximum stand density index
  • L
    Low;density was reduced to 15% of maximum stand density index
TMT - char(2) (nominal)

ID: TP08803.TMT

Type of treatment applied to plots within stands

Type system: Microsoft SQL Server 2008

Code definitions (4)
  • F
    Fertilized
  • PF
    Fertilized and pruned
  • C
    Control
  • P
    Pruned
GROWTHYR - numeric(4,0) (ratio)

ID: TP08803.GROWTHYR

Growth year sample was taken

Type system: Microsoft SQL Server 2008

Unit: year (yyyy)

Precision: 1

Numeric domain: type=natural, min=1981.0000 (exclusive=false), max=1981.0000 (exclusive=false)

YEAR - numeric(4,0) (ratio)

ID: TP08803.YEAR

Year of data collection

Type system: Microsoft SQL Server 2008

Unit: year (yyyy)

Precision: 1

Numeric domain: type=natural, min=1981.0000 (exclusive=false), max=1982.0000 (exclusive=false)

MONTH - numeric(2,0) (ratio)

ID: TP08803.MONTH

Month of data collection

Type system: Microsoft SQL Server 2008

Unit: month of year

Precision: 1

Numeric domain: type=natural, min=5.0000 (exclusive=false), max=9.0000 (exclusive=false)

DAY - numeric(2,0) (ratio)

ID: TP08803.DAY

Day of data collection

Type system: Microsoft SQL Server 2008

Unit: day of month

Precision: 1

Numeric domain: type=natural, min=2.0000 (exclusive=false), max=28.0000 (exclusive=false)

OLDNO - numeric(3,0) (ratio)

ID: TP08803.OLDNO

Tree tag number originally assigned

Type system: Microsoft SQL Server 2008

Unit: number

Precision: 1

Numeric domain: type=natural, min=1.0000 (exclusive=false), max=200.0000 (exclusive=false)

TREENO - numeric(3,0) (ratio)

ID: TP08803.TREENO

Permanent tree tag number

Type system: Microsoft SQL Server 2008

Unit: number

Precision: 1

Numeric domain: type=natural, min=1.0000 (exclusive=false), max=286.0000 (exclusive=false)

STATUS - char(1) (nominal)

ID: TP08803.STATUS

Code indicating whether tree was alive, cut, or delayed height measurement

Type system: Microsoft SQL Server 2008

Code definitions (3)
  •  
    Alive
  • H
    Alive, height measured on date listed-dbh measured at a dif- ferent date listed in file tp8802
  • C
    Cut after initially being numbered in 1981-does not appear in data set
TP08804 - TP08804

Object name: TP08804.csv

Records: N/A

Attributes: 21

File size: 69576 byte

Checksum (MD5): a9734b3bbb9b1f517a1a6ec88dba5cfb

Format: headers=1, recordDelimiter=\r\n, fieldDelimiter=,, quoteCharacter=", orientation=column

Constraints (1)
  • notNullConstraint: NOTNULL
    TP08804.DENSITY, TP08804.TMT, TP08804.DATACODE, TP08804.SITE, TP08804.SPECIES, TP08804.FORMAT, TP08804.YEAR
Attributes (21)
DATACODE - char(5) (nominal)

ID: TP08804.DATACODE

Data set code

Type system: Microsoft SQL Server 2008

FORMAT - numeric(1,0) (ratio)

ID: TP08804.FORMAT

Format number

Type system: Microsoft SQL Server 2008

Unit: number

Precision: 1

Numeric domain: type=natural, min=4.0000 (exclusive=false), max=4.0000 (exclusive=false)

SITE - char(4) (nominal)

ID: TP08804.SITE

Site identification code

Type system: Microsoft SQL Server 2008

Code definitions (4)
  • L701
    UNIT L701
  • L107
    UNIT L107
  • L111
    UNIT L111
  • L405
    UNIT L405
DENSITY - char(1) (nominal)

ID: TP08804.DENSITY

Stocking density level

Type system: Microsoft SQL Server 2008

Code definitions (3)
  • C
    Control;no thinning within the stand
  • M
    Medium;density was reduced to 25% of maximum stand density index
  • L
    Low;density was reduced to 15% of maximum stand density index
TMT - char(2) (nominal)

ID: TP08804.TMT

Type of treatment applied to plots within stands

Type system: Microsoft SQL Server 2008

Code definitions (4)
  • F
    Fertilized
  • PF
    Fertilized and pruned
  • C
    Control
  • P
    Pruned
YEAR - numeric(4,0) (ratio)

ID: TP08804.YEAR

Year of data collection

Type system: Microsoft SQL Server 2008

Unit: year (yyyy)

Precision: 1

Numeric domain: type=natural, min=1983.0000 (exclusive=false), max=1987.0000 (exclusive=false)

MONTH - numeric(2,0) (ratio)

ID: TP08804.MONTH

Month of data collection

Type system: Microsoft SQL Server 2008

Unit: month of year

Precision: 1

Numeric domain: type=natural, min=10.0000 (exclusive=false), max=11.0000 (exclusive=false)

DAY - numeric(2,0) (ratio)

ID: TP08804.DAY

Day of data collection

Type system: Microsoft SQL Server 2008

Unit: day of month

Precision: 1

Numeric domain: type=natural, min=1.0000 (exclusive=false), max=28.0000 (exclusive=false)

SPECIES - char(4) (nominal)

ID: TP08804.SPECIES

Species code according to Garrison et al., 1972

Type system: Microsoft SQL Server 2008

Code definitions (5)
  • ABAM
    Abies amabilis
  • ABPR
    Abies procera
  • PSME
    Pseudotsuga menziesii
  • THPL
    Thuja plicata
  • TSHE
    Tsuga heterophylla
DBH - numeric(5,1) (ratio)

ID: TP08804.DBH

Diameter at breast height

Type system: Microsoft SQL Server 2008

Unit: centimeters

Precision: 0.100000

Numeric domain: type=real, min=1.9000 (exclusive=false), max=124.0000 (exclusive=false)

SAP1 - numeric(3,0) (ratio)

ID: TP08804.SAP1

Sapwood thickness direction 1

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=whole, min=5.0000 (exclusive=false), max=36.0000 (exclusive=false)

GR1 - numeric(3,0) (ratio)

ID: TP08804.GR1

Growth increment of last 2 years, direction 1

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=natural, min=1.0000 (exclusive=false), max=13.0000 (exclusive=false)

PRE1 - numeric(3,0) (ratio)

ID: TP08804.PRE1

Pre-thinning ring measurements together (rings 4 - 8), direction 1

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=whole, min=5.0000 (exclusive=false), max=29.0000 (exclusive=false)

SAP2 - numeric(3,0) (ratio)

ID: TP08804.SAP2

Sapwood thickness direction 2

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=whole, min=6.0000 (exclusive=false), max=38.0000 (exclusive=false)

GR2 - numeric(3,0) (ratio)

ID: TP08804.GR2

Growth increment of last 2 years, direction 2

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=natural, min=2.0000 (exclusive=false), max=13.0000 (exclusive=false)

PRE2 - numeric(3,0) (ratio)

ID: TP08804.PRE2

Pre-thinning ring measurements together (rings 4 - 8), direction 2

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=whole, min=9.0000 (exclusive=false), max=36.0000 (exclusive=false)

BARK1 - numeric(3,0) (ratio)

ID: TP08804.BARK1

Bark thickness direction 1

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=natural, min=1.0000 (exclusive=false), max=6.0000 (exclusive=false)

BARK2 - numeric(3,0) (ratio)

ID: TP08804.BARK2

Bark thickness direction 2

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=natural, min=1.0000 (exclusive=false), max=5.0000 (exclusive=false)

TOT1 - numeric(3,0) (ratio)

ID: TP08804.TOT1

Thickness of last 10 years growth, direction 1

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=whole, min=7.0000 (exclusive=false), max=65.0000 (exclusive=false)

TOT2 - numeric(3,0) (ratio)

ID: TP08804.TOT2

Thickness of last 10 years growth, direction 2

Type system: Microsoft SQL Server 2008

Unit: millimeters

Precision: 1

Numeric domain: type=whole, min=16.0000 (exclusive=false), max=80.0000 (exclusive=false)

AGE_DBH5 - numeric(3,0) (ratio)

ID: TP08804.AGE_DBH5

Age at dbh 5

Type system: Microsoft SQL Server 2008

Unit: year (yyyy)

Precision: 1

Numeric domain: type=natural, min=5.0000 (exclusive=false), max=10.0000 (exclusive=false)

TP08805 - TP08805

Object name: TP08805.csv

Records: N/A

Attributes: 11

File size: 5059 byte

Checksum (MD5): 6117af068fa58c792330360ce8e15b3e

Format: headers=1, recordDelimiter=\r\n, fieldDelimiter=,, quoteCharacter=", orientation=column

Constraints (1)
  • notNullConstraint: NOTNULL
    TP08805.DENSITY, TP08805.TMT, TP08805.DATACODE, TP08805.SITE, TP08805.FORMAT
Attributes (11)
DATACODE - char(5) (nominal)

ID: TP08805.DATACODE

Data set code

Type system: Microsoft SQL Server 2008

FORMAT - numeric(1,0) (ratio)

ID: TP08805.FORMAT

Format number

Type system: Microsoft SQL Server 2008

Unit: number

Precision: 1

Numeric domain: type=natural, min=5.0000 (exclusive=false), max=5.0000 (exclusive=false)

SITE - char(4) (nominal)

ID: TP08805.SITE

Site identification code

Type system: Microsoft SQL Server 2008

Code definitions (4)
  • L701
    UNIT L701
  • L107
    UNIT L107
  • L111
    UNIT L111
  • L405
    UNIT L405
DENSITY - char(1) (nominal)

ID: TP08805.DENSITY

Stocking density level

Type system: Microsoft SQL Server 2008

Code definitions (3)
  • C
    Control;no thinning within the stand
  • M
    Medium;density was reduced to 25% of maximum stand density index
  • L
    Low;density was reduced to 15% of maximum stand density index
TMT - char(2) (nominal)

ID: TP08805.TMT

Type of treatment applied to plots within stands

Type system: Microsoft SQL Server 2008

Code definitions (4)
  • F
    Fertilized
  • PF
    Fertilized and pruned
  • C
    Control
  • P
    Pruned
COVTALL - numeric(3,0) (ratio)

ID: TP08805.COVTALL

Tall cover: number of trees competing with at least 10% of the crowns of study trees

Type system: Microsoft SQL Server 2008

Unit: number

Precision: 1

Numeric domain: type=whole, min=0.0000 (exclusive=false), max=90.0000 (exclusive=false)

NFIX1 - char(1) (nominal)

ID: TP08805.NFIX1

Indicates whether competing trees are N-fixers

Type system: Microsoft SQL Server 2008

Code definitions (2)
  •  
    Not nitrogen fixer
  • F
    Nitrogen fixer
COVMED - numeric(3,0) (ratio)

ID: TP08805.COVMED

Medium cover: number of shrubs, stumps, or sprouts at shoulder height competing with the study trees

Type system: Microsoft SQL Server 2008

Unit: number

Precision: 1

Numeric domain: type=whole, min=5.0000 (exclusive=false), max=100.0000 (exclusive=false)

NFIX2 - char(1) (nominal)

ID: TP08805.NFIX2

Indicates whether competing shrubs, stumps or sprouts are N-fixers

Type system: Microsoft SQL Server 2008

Code definitions (2)
  •  
    Not nitrogen fixer
  • F
    Nitrogen fixer
COVLOW - numeric(3,0) (ratio)

ID: TP08805.COVLOW

Low cover: number of ground-cover plants lower than knee-height competing with the study trees

Type system: Microsoft SQL Server 2008

Unit: number

Precision: 1

Numeric domain: type=whole, min=5.0000 (exclusive=false), max=100.0000 (exclusive=false)

NFIX3 - char(1) (nominal)

ID: TP08805.NFIX3

Indicates whether ground-cover plants are N-fixers

Type system: Microsoft SQL Server 2008

Code definitions (2)
  •  
    Not nitrogen fixer
  • F
    Nitrogen fixer
TP08806 - TP08806

Object name: TP08806.csv

Records: N/A

Attributes: 14

File size: 6182 byte

Checksum (MD5): 4ad2fdd91ef4ab2475066753d14d4488

Format: headers=1, recordDelimiter=\r\n, fieldDelimiter=,, quoteCharacter=", orientation=column

Constraints (1)
  • notNullConstraint: NOTNULL
    TP08806.DENSITY, TP08806.TMT, TP08806.DATACODE, TP08806.SITE, TP08806.FORMAT, TP08806.INCBLANC, TP08806.INIBLANC, TP08806.MOIST, TP08806.NH4INC, TP08806.NH4WET, TP08806.SOILINC, TP08806.SOILINIT, TP08806.WETWTINT, TP08806.WTWTINCV
Attributes (14)
DATACODE - char(5) (nominal)

ID: TP08806.DATACODE

Data set code

Type system: Microsoft SQL Server 2008

FORMAT - numeric(1,0) (ratio)

ID: TP08806.FORMAT

Format number

Type system: Microsoft SQL Server 2008

Unit: number

Precision: 1

Numeric domain: type=natural, min=6.0000 (exclusive=false), max=6.0000 (exclusive=false)

SITE - char(4) (nominal)

ID: TP08806.SITE

Site identification code

Type system: Microsoft SQL Server 2008

Code definitions (4)
  • L701
    UNIT L701
  • L107
    UNIT L107
  • L111
    UNIT L111
  • L405
    UNIT L405
DENSITY - char(1) (nominal)

ID: TP08806.DENSITY

Stocking density level

Type system: Microsoft SQL Server 2008

Code definitions (3)
  • C
    Control;no thinning within the stand
  • M
    Medium;density was reduced to 25% of maximum stand density index
  • L
    Low;density was reduced to 15% of maximum stand density index
TMT - char(2) (nominal)

ID: TP08806.TMT

Type of treatment applied to plots within stands

Type system: Microsoft SQL Server 2008

Code definitions (4)
  • F
    Fertilized
  • PF
    Fertilized and pruned
  • C
    Control
  • P
    Pruned
WETWTINT - numeric(6,3) (ratio)

ID: TP08806.WETWTINT

Net weight of soil before incubation

Type system: Microsoft SQL Server 2008

Unit: grams

Precision: 0.001000

Numeric domain: type=real, min=20.0000 (exclusive=false), max=20.9900 (exclusive=false)

MOIST - numeric(2,0) (ratio)

ID: TP08806.MOIST

Percent moisture of soil

Type system: Microsoft SQL Server 2008

Unit: percent

Precision: 1

Numeric domain: type=natural, min=25.0000 (exclusive=false), max=41.0000 (exclusive=false)

NH4WET - numeric(3,1) (ratio)

ID: TP08806.NH4WET

Ammonia concentration in solution extracted from soil

Type system: Microsoft SQL Server 2008

Unit: parts per million

Precision: 0.100000

Numeric domain: type=real, min=0.2000 (exclusive=false), max=5.9000 (exclusive=false)

SOILINIT - numeric(5,2) (ratio)

ID: TP08806.SOILINIT

Ammonia concentration in the soil adjusted for weight, water

Type system: Microsoft SQL Server 2008

Unit: grams

Precision: 0.010000

Numeric domain: type=real, min=0.0000 (exclusive=false), max=27.9200 (exclusive=false)

WTWTINCV - numeric(6,3) (ratio)

ID: TP08806.WTWTINCV

Wet weight of soil before incubation

Type system: Microsoft SQL Server 2008

Unit: parts per million

Precision: 0.001000

Numeric domain: type=real, min=20.0000 (exclusive=false), max=20.9800 (exclusive=false)

NH4INC - numeric(4,1) (ratio)

ID: TP08806.NH4INC

Ammonia concentration in solution extracted from soil after incubation

Type system: Microsoft SQL Server 2008

Unit: parts per million

Precision: 0.100000

Numeric domain: type=real, min=6.7000 (exclusive=false), max=25.5000 (exclusive=false)

SOILINC - numeric(6,2) (ratio)

ID: TP08806.SOILINC

Ammonia concentration in soil adjusted for weight, water after incubation

Type system: Microsoft SQL Server 2008

Unit: parts per million

Precision: 0.010000

Numeric domain: type=real, min=24.8400 (exclusive=false), max=108.1000 (exclusive=false)

INIBLANC - numeric(3,1) (ratio)

ID: TP08806.INIBLANC

Ammonia concentration in blank vial solutions

Type system: Microsoft SQL Server 2008

Unit: parts per million

Precision: 0.100000

Numeric domain: type=real, min=0.1000 (exclusive=false), max=0.4000 (exclusive=false)

INCBLANC - numeric(3,1) (ratio)

ID: TP08806.INCBLANC

Ammonia concentration in blank vial solutions for incubations

Type system: Microsoft SQL Server 2008

Unit: parts per million

Precision: 0.100000

Numeric domain: type=real, min=0.3000 (exclusive=false), max=0.8000 (exclusive=false)

TP08807 - TP08807

Object name: TP08807.csv

Records: N/A

Attributes: 11

File size: 2517 byte

Checksum (MD5): 186448f1387ffa16ee2b1aaeca87198a

Format: headers=1, recordDelimiter=\r\n, fieldDelimiter=,, quoteCharacter=", orientation=column

Constraints (2)
  • primaryKey: PRIMARY
    TP08807.DENSITY, TP08807.TMT, TP08807.SITE
  • notNullConstraint: NOTNULL
    TP08807.DENSITY, TP08807.TMT, TP08807.DATACODE, TP08807.SITE, TP08807.CA, TP08807.FORMAT, TP08807.K, TP08807.MG, TP08807.TOTN, TP08807.TOTP, TP08807.YEAR
Attributes (11)
DATACODE - char(5) (nominal)

ID: TP08807.DATACODE

Data set code

Type system: Microsoft SQL Server 2008

FORMAT - numeric(1,0) (ratio)

ID: TP08807.FORMAT

Format number

Type system: Microsoft SQL Server 2008

Unit: number

Precision: 1

Numeric domain: type=natural, min=7.0000 (exclusive=false), max=7.0000 (exclusive=false)

SITE - char(4) (nominal)

ID: TP08807.SITE

Site identification code

Type system: Microsoft SQL Server 2008

Code definitions (4)
  • L701
    UNIT L701
  • L107
    UNIT L107
  • L111
    UNIT L111
  • L405
    UNIT L405
DENSITY - char(1) (nominal)

ID: TP08807.DENSITY

Stocking density level

Type system: Microsoft SQL Server 2008

Code definitions (3)
  • C
    Control;no thinning within the stand
  • M
    Medium;density was reduced to 25% of maximum stand density index
  • L
    Low;density was reduced to 15% of maximum stand density index
TMT - char(2) (nominal)

ID: TP08807.TMT

Type of treatment applied to plots within stands

Type system: Microsoft SQL Server 2008

Code definitions (4)
  • F
    Fertilized
  • PF
    Fertilized and pruned
  • C
    Control
  • P
    Pruned
YEAR - numeric(4,0) (ratio)

ID: TP08807.YEAR

Year of data collection

Type system: Microsoft SQL Server 2008

Unit: year (yyyy)

Precision: 1

Numeric domain: type=natural, min=1996.0000 (exclusive=false), max=1996.0000 (exclusive=false)

TOTN - numeric(4,2) (ratio)

ID: TP08807.TOTN

Total N

Type system: Microsoft SQL Server 2008

Unit: percent

Precision: 0.010000

Numeric domain: type=real, min=0.8600 (exclusive=false), max=1.2000 (exclusive=false)

TOTP - numeric(4,2) (ratio)

ID: TP08807.TOTP

Total P

Type system: Microsoft SQL Server 2008

Unit: percent

Precision: 0.010000

Numeric domain: type=real, min=0.1600 (exclusive=false), max=0.2800 (exclusive=false)

K - numeric(5,3) (ratio)

ID: TP08807.K

K

Type system: Microsoft SQL Server 2008

Unit: percent

Precision: 0.001000

Numeric domain: type=real, min=0.6570 (exclusive=false), max=1.0740 (exclusive=false)

CA - numeric(5,3) (ratio)

ID: TP08807.CA

Ca

Type system: Microsoft SQL Server 2008

Unit: percent

Precision: 0.001000

Numeric domain: type=real, min=0.3580 (exclusive=false), max=0.6660 (exclusive=false)

MG - numeric(5,3) (ratio)

ID: TP08807.MG

Mg

Type system: Microsoft SQL Server 2008

Unit: percent

Precision: 0.001000

Numeric domain: type=real, min=0.1010 (exclusive=false), max=0.1710 (exclusive=false)

Units
hectares ha area hectare meterSquared 10000 hectares; 1 hectare is 10^4 square meters
meters m length meter meter 1 meter; SI unit of length
day of month day datetime number YYYY-MM-DDThh:mm:ss N/A day of month
centimeters cm length centimeter meter 0.01 centimeters; .01 meters
month of year month datetime MM YYYY-MM-DDThh:mm:ss N/A month of year (MM)
millimeters mm length millimeter meter 0.001 millimeters; .001 meters
grams g mass gram kilogram 0.001 grams; 0.001 kilogram
parts per million ppm massDensity partsPerMillion kilogramPerMeterCubed 0.001 parts per million
number number dimensionless number dimensionless 1 dimensionless number, i.e., ratio, count
percent % dimensionless number dimensionless 100 percent; a number
year (yyyy) YYYY datetime YYYY YYYY-MM-DDThh:mm:ss N/A year (4 character) portion of date
Related Datasets
Related Publications

No publication citations found in this EML file.

Related Files
Intellectual Rights

Data Use Agreement:

The re-use of scientific data has the potential to greatly increase communication, collaboration and synthesis within and among disciplines, and thus is fostered, supported and encouraged. This Data Set is released under the Creative Commons license CC BY "Attribution" (see: https://creativecommons.org/licenses/by/4.0/). Creative Commons license CC BY - Attribution is a license that allows others to distribute, remix, tweak, and build upon your work (even commercially), as long as you are credited for the original creation. This license accommodates maximum dissemination and use of licensed materials.

It is considered professional conduct and an ethical obligation to acknowledge the work of other scientists. The Data User is asked to provide attribution of the original work if this data package is shared in whole or by individual parts or used in the derivation of other products. A recommended citation is provided for each Data Set in the Andrews LTER data catalog (see: http://andlter.forestry.oregonstate.edu/data/catalog/datacatalog.aspx). A generic citation is also provided for this Data Set on the website https://portal.edirepository.org in the summary metadata page. Data Users are thus strongly encouraged to consider consultation, collaboration and/or co-authorship with the Data Set Creator.

While substantial efforts are made to ensure the accuracy of data and associated documentation, complete accuracy of data sets cannot be guaranteed and 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.

General acknowledgement: Data were provided by the HJ Andrews Experimental Forest research program, funded by the National Science Foundation's Long-Term Ecological Research Program (DEB 2025755), US Forest Service Pacific Northwest Research Station, and Oregon State University.

Licensed

License: N/A

Maintenance

Maintenance update frequency: notPlanned

Description

  • An update history is logged and maintained with each new version of every dataset.

Change History

  • Version1 (1982-01-04)
    Original metadata creation
  • Version2 (2004-05-06)
    Moved database to SQL server