Harmon, M.; Means, J. 2015. Pacific Northwest Plant Biomass Component Equation Library Long-Term Ecological Research Andrews Forest LTER Site. [Database]. Available: https://andrewsforest-stage.forestry.oregonstate.edu/data/fsdb-data-catalog/TP072 Accessed 2026-05-10.

This database contains a collection of regression equations to predict various biomass components for many plants of the Pacific Northwest based on common parameters such as diameter, height, and cover. Documentation, including sources of raw data and source publications, is provided for each equation.

Temporal coverage: 1961-01-01 to 2000-01-01

Geographic coverage: N/A

Bounds: W N/A, E N/A, N N/A, S N/A

No purpose entries listed in this EML file.

Title: Long-Term Ecological Research

• Mark E. Harmon
  Role: Principal Investigator
  Oregon State University;Dept. of Forest Science;321 Richardson Hall, Corvallis, OR, 97331-5752, USA
  Phone: (541) 737-8455, (978) 724-0045 ext 223
  Email: mark.harmon@oregonstate.edu
  URL: http://fes.forestry.oregonstate.edu/people?path=people/harmon-mark
• Paul B. Alaback
  Role: Other Researcher
• Olga N. Krankina
  Role: Other Researcher
  Oregon State University;Dept. of Forest Science;202 Richardson Hall, Corvallis, OR, 97331, USA
  Phone: (541) 737-1780
  Email: olga.krankina@oregonstate.edu
• Mark W. Klopsch
  Role: Other Researcher
  Email: mark.klopsch@oregonstate.edu
• Mark E. Harmon
  Role: Creator
  Oregon State University;Dept. of Forest Science;321 Richardson Hall, Corvallis, OR, 97331-5752, USA
  Phone: (541) 737-8455, (978) 724-0045 ext 223
  Email: mark.harmon@oregonstate.edu
  URL: http://fes.forestry.oregonstate.edu/people?path=people/harmon-mark
• Joseph E. Means
  Role: Creator
  USDA Forest Service;Pacific Northwest Research Station;3200 SW Jefferson Way;, Corvallis, OR, 97331, USA
  Phone: (541) 750-7351
  URL: http://www.fsl.orst.edu/~means/means.htm

• 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
  URL: http://andrewsforest.oregonstate.edu/

• 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
  URL: http://andrewsforest.oregonstate.edu/

This database contains a collection of regression equations to predict various biomass components for many plants of the Pacific Northwest based on common parameters such as diameter, height, and cover. Documentation, including sources of raw data and source publications, is provided for each equation.

Sampling

No methods entries listed in this EML file.

No software entries listed in this EML file.

• LTER controlled vocabulary: allometry (theme), biomass (theme), plant biomass (theme), primary production (theme)
• LTER core research areas: primary production (theme)

• All Organisms: All Organisms
• Family: Non-taxonomic objects (vegetative, organic, or inorganic)
• Species: unknown plant
• Species: Gramin
• Highest common category (ca. kingdom): Plantae
• Division or Phylum: Coniferophyta
• Class: Pinopsida
• Order: Pinales
• Family: Taxodiaceae
• Genus: Sequoiadendron
• Species: Sequoiadendron giganteum
• Family: Pinaceae
• Genus: Abies
• Species: Abies procera
• Species: Abies lasiocarpa
• Species: Abies concolor
• Species: Abies amabilis
• Species: Abies grandis
• Species: Abies magnifica
• Genus: Larix
• Species: Larix occidentalis
• Genus: Picea
• Species: Picea sitchensis
• Species: Picea engelmannii
• Species: Picea abies
• Genus: Pinus
• Species: Pinus monticola
• Species: Pinus jeffreyi
• Species: Pinus albicaulis
• Species: Pinus contorta
• Species: Pinus lambertiana
• Species: Pinus ponderosa
• Genus: Pseudotsuga
• Species: Pseudotsuga menziesii
• Genus: Tsuga
• Species: Tsuga mertensiana
• Species: Tsuga heterophylla
• Family: Cupressaceae
• Genus: Chamaecyparis
• Species: Chamaecyparis nootkatensis
• Genus: Juniperus
• Species: Juniperus scopulorum
• Species: Juniperus occidentalis
• Genus: Thuja
• Species: Thuja plicata
• Order: Taxales
• Family: Taxaceae
• Genus: Taxus
• Species: Taxus brevifolia
• Division or Phylum: Magnoliophyta
• Class: Liliopsida
• Subclass: Commelinidae
• Order: Juncales
• Family: Juncaceae
• Genus: Luzula
• Species: Luzula campestris
• Genus: Juncus
• Species: Juncus confusus
• Order: Cyperales
• Family: Cyperaceae
• Genus: Carex
• Species: Carex deweyana
• Family: Poaceae
• Genus: Elymus
• Species: Sitanion longifolium
• Genus: Poa
• Species: Poa fendleriana
• Species: Poa macrantha
• Genus: Festuca
• Species: Festuca arida
• Genus: Agrostis
• Genus: Calamagrostis
• Species: Calamagrostis rubescens
• Subclass: Asteridae
• Order: Lamiales
• Family: Lamiaceae
• Genus: Stachys
• Species: Stachys cooleyae
• Order: Scrophulariales
• Family: Scrophulariaceae
• Genus: Mimulus
• Species: Mimulus guttatus
• Genus: Pedicularis
• Species: Pedicularis racemosa
• Order: Rubiales
• Family: Rubiaceae
• Genus: Galium
• Species: Galium triflorum
• Order: Solanales
• Family: Polemoniaceae
• Genus: Collomia
• Species: Collomia heterophylla
• Order: Campanulales
• Family: Campanulaceae
• Genus: Campanula
• Species: Campanula scouleri
• Order: Asterales
• Family: Asteraceae
• Genus: Gnaphalium
• Species: Gnaphalium microcephalum
• Genus: Solidago
• Species: Solidago scopulorum
• Genus: Senecio
• Species: Senecio triangularis
• Species: Senecio jacobaea
• Species: Senecio sylvaticus
• Genus: Petasites
• Species: Petasites frigidus
• Genus: Hieracium
• Species: Hieracium albiflorum
• Genus: Crepis
• Species: Crepis capillaris
• Genus: Anaphalis
• Species: Anaphalis margaritacea
• Genus: Adenocaulon
• Species: Adenocaulon bicolor
• Genus: Artemisia
• Species: Artemisia tridentata
• Genus: Cirsium
• Species: Cirsium vulgare
• Genus: Conyza
• Species: Conyza canadensis
• Genus: Madia
• Genus: Stenotus
• Species: Haplopappus bloomeri
• Order: Dipsacales
• Family: Caprifoliaceae
• Genus: Linnaea
• Species: Linnaea borealis
• Genus: Sambucus
• Species: Sambucus cerulea
• Genus: Symphoricarpos
• Species: Symphoricarpos albus
• Subclass: Liliidae
• Order: Orchidales
• Family: Orchidaceae
• Genus: Goodyera
• Species: Goodyera oblongifolia
• Order: Liliales
• Family: Liliaceae
• Genus: Xerophyllum
• Species: Xerophyllum tenax
• Genus: Maianthemum
• Species: Maianthemum dilatatum
• Species: Smilacina stellata
• Genus: Clintonia
• Species: Clintonia uniflora
• Class: Magnoliopsida
• Subclass: Dilleniidae
• Order: Violales
• Family: Violaceae
• Genus: Viola
• Species: Viola sempervirens
• Order: Ericales
• Family: Pyrolaceae
• Genus: Pyrola
• Species: Pyrola secunda
• Genus: Chimaphila
• Species: Chimaphila umbellata
• Genus: Moneses
• Species: Moneses uniflora
• Family: Ericaceae
• Genus: Vaccinium
• Species: Vaccinium parvifolium
• Species: Vaccinium globulare
• Species: Vaccinium scoparium
• Species: Vaccinium alaskaense
• Genus: Rhododendron
• Species: Rhododendron macrophyllum
• Genus: Arbutus
• Species: Arbutus menziesii
• Genus: Arctostaphylos
• Species: Arctostaphylos viscida
• Species: Arctostaphylos patula
• Species: Arctostaphylos columbiana
• Species: Arctostaphylos uva-ursi
• Genus: Gaultheria
• Species: Gaultheria shallon
• Genus: Menziesia
• Species: Menziesia ferruginea
• Order: Salicales
• Family: Salicaceae
• Genus: Salix
• Species: Salix sitchensis
• Species: Salix scouleriana
• Genus: Populus
• Species: Populus trichocarpa
• Species: Populus tremuloides
• Order: Primulales
• Family: Primulaceae
• Genus: Trientalis
• Species: Trientalis latifolia
• Subclass: Rosidae
• Order: Celastrales
• Family: Celastraceae
• Genus: Pachistima
• Species: Pachystima myrsinites
• Order: Fabales
• Family: Fabaceae
• Genus: Trifolium
• Species: Trifolium latifolium
• Genus: Lathyrus
• Species: Lathyrus polyphyllus
• Genus: Lotus
• Species: Lotus oblongifolius
• Species: Lotus crassifolius
• Genus: Lupinus
• Species: Lupinus latifolius
• Order: Sapindales
• Family: Aceraceae
• Genus: Acer
• Species: Acer glabrum
• Species: Acer circinatum
• Species: Acer macrophyllum
• Family: Anacardiaceae
• Genus: Rhus
• Species: Rhus glabra
• Order: Rosales
• Family: Saxifragaceae
• Genus: Tiarella
• Species: Tiarella trifoliata
• Family: Grossulariaceae
• Genus: Ribes
• Species: Ribes bracteosum
• Family: Rosaceae
• Genus: Rubus
• Species: Rubus spectabilis
• Species: Rubus parviflorus
• Species: Rubus idaeus
• Species: Rubus leucodermis
• Species: Rubus pedatus
• Species: Rubus ursinus
• Genus: Physocarpus
• Species: Physocarpus malvaceus
• Genus: Amelanchier
• Species: Amelanchier alnifolia
• Genus: Holodiscus
• Species: Holodiscus discolor
• Genus: Prunus
• Species: Prunus virginiana
• Species: Prunus emarginata
• Genus: Purshia
• Species: Purshia tridentata
• Genus: Spiraea
• Species: Spiraea betulifolia
• Family: Hydrangeaceae
• Genus: Philadelphus
• Species: Philadelphus lewisii
• Genus: Whipplea
• Species: Whipplea modesta
• Order: Apiales
• Family: Apiaceae
• Genus: Lomatium
• Species: Lomatium utriculatum
• Family: Araliaceae
• Genus: Oplopanax
• Species: Oplopanax horridus
• Genus: Aralia
• Species: Aralia californica
• Order: Rhamnales
• Family: Rhamnaceae
• Genus: Ceanothus
• Species: Ceanothus velutinus
• Species: Ceanothus integerrimus
• Species: Ceanothus cordulatus
• Species: Ceanothus sanguineus
• Family: Elaeagnaceae
• Genus: Shepherdia
• Species: Shepherdia canadensis
• Order: Cornales
• Family: Cornaceae
• Genus: Cornus
• Species: Cornus nuttallii
• Species: Cornus canadensis
• Species: Cornus stolonifera
• Order: Myrtales
• Family: Onagraceae
• Genus: Epilobium
• Species: Epilobium angustifolium
• Species: Epilobium watsonii
• Species: Epilobium paniculatum
• Order: Geraniales
• Family: Oxalidaceae
• Genus: Oxalis
• Species: Oxalis oregana
• Subclass: Hamamelididae
• Order: Fagales
• Family: Betulaceae
• Genus: Corylus
• Species: Corylus cornuta var. californica
• Species: Corylus cornuta
• Genus: Alnus
• Species: Alnus sinuata
• Species: Alnus rubra
• Genus: Betula
• Species: Betula papyrifera
• Family: Fagaceae
• Genus: Quercus
• Species: Quercus garryana
• Species: Quercus chrysolepis
• Species: Quercus kelloggii
• Genus: Chrysolepis
• Species: Castanopsis sempervirens
• Species: Castanopsis chrysophylla
• Subclass: Magnoliidae
• Order: Ranunculales
• Family: Ranunculaceae
• Genus: Thalictrum
• Species: Thalictrum occidentale
• Genus: Coptis
• Species: Coptis laciniata
• Family: Berberidaceae
• Genus: Berberis
• Species: Berberis repens
• Species: Berberis nervosa
• Order: Laurales
• Family: Lauraceae
• Genus: Umbellularia
• Species: Umbellularia californica
• Division or Phylum: Polypodiophyta
• Class: Filicopsida
• Order: Polypodiales
• Family: Dennstaedtiaceae
• Genus: Pteridium
• Species: Pteridium aquilinum
• Family: Blechnaceae
• Genus: Blechnum
• Species: Blechnum spicant
• Family: Dryopteridaceae
• Genus: Polystichum
• Species: Polystichum munitum
• Genus: Athyrium
• Species: Athyrium filix-femina
• Genus: Gymnocarpium
• Species: Gymnocarpium dryopteris
• Genus: Dryopteris
• Species: Dryopteris austriaca
• Family: Pteridaceae
• Genus: Adiantum
• Species: Adiantum aleuticum
• Division or Phylum: Equisetophyta
• Class: Equisetopsida
• Order: Equisetales
• Family: Equisetaceae
• Genus: Equisetum

No related dataset codes found in the EML text fields.

• Means, Joseph E.; Hansen, Heather A.; Koerper, Greg J.; Alaback, Paul B.; Klopsch, Mark W. 1994. Software for computing plant biomass--BIOPAK users guide. Gen. Tech. Rep. PNW-GTR-340. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 184 p.

No related files listed in this EML file.

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.

License: N/A

Maintenance update frequency: notPlanned

Description

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

Change History

• Version1 (2004-01-28)
  Original metadata creation
• Version2 (2004-01-28)
  Moved database to SQL server
• Version6 (2011-10-11)
  Corrected species (see entity_update_history).
• Version7 (2015-03-19)
  Removed Charlie Harlpern as PI (per request)