# Pacific Northwest Plant Biomass Component Equation Library ## Dataset - **Database Code:** TP072 - **Title:** Pacific Northwest Plant Biomass Component Equation Library - **Abstract:** 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. - **Keywords:** allometry; biomass; plant biomass; primary production; primary production - **Temporal coverage:** 1961-01-01 to 2000-01-01 - **Principal Investigator:** Mark E. Harmon ## Data Entities 1. TP07201 2. TP07202 3. TP07203 ## Entity 1: TP07201 ### Attribute list - **EQN_NO** — numeric(1.000000), range 1.0000 1156.0000, number Sequential equation number - **LIFEFORM** — varchar, enum Lifeform code (includes K = coppice for some trees and shrubs) - **S** — Shrub - **T** — Tree - **M** — Bryophyte - **K** — Coppice; lifeform recognized for trees and shrubs because stump sprouts often have different growth form than plants grown from seed. - **G** — Grass - **H** — Herb - **C** — Sedge, rush - **SPP_CODE** — varchar, enum Species code according to Garrison et al., 1972 - **CEDAR** — Cupressaceae - **ABIES** — Abies - **ABAM** — Abies amabilis - **ABCO** — Abies concolor - **ABGR** — Abies grandis - **ABLA2** — Abies lasiocarpa - **ABMA** — Abies magnifica - **ABPR** — Abies procera - **ACCI** — Acer circinatum - **ACGL** — Acer glabrum - **ACMA** — Acer macrophyllum - **ADBI** — Adenocaulon bicolor - **AGROS** — Agrostis - **ALRU** — Alnus rubra - **ALSI** — Alnus sinuata - **AMAL** — Amelanchier alnifolia - **ANMA** — Anaphalis margaritacea - **ARCA3** — Aralia californica - **ARME** — Arbutus menziesii - **ARCO3** — Arctostaphylos columbiana - **ARPA** — Arctostaphylos patula - **ARUV** — Arctostaphylos uva-ursi - **ARVI** — Arctostaphylos viscida - **ARTRW** — Artemisia tridentata ssp. wyomingensis - **ARTR** — Artemisia tridentata - **ATFI** — Athyrium filix-femina - **BENE** — Berberis nervosa - **BERE** — Berberis repens - **BEPA** — Betula papyrifera - **BLSP** — Blechnum spicant - **CARU** — Calamagrostis rubescens - **CASC2** — Campanula scouleri - **CECO** — Ceanothus cordulatus - **CEIN** — Ceanothus integerrimus - **CESA** — Ceanothus sanguineus - **CEVEL** — Ceanothus velutinus var.laevigatus - **CEVEV** — Ceanothus velutinus var. velutinus - **CEVE** — Ceanothus velutinus - **CHNO** — Chamaecyparis nootkatensis - **CHUM** — Chimaphila umbellata - **CHNA** — Chrysothamnus nauseosus - **CIRSI** — Cirsium - **CIVU** — Cirsium vulgare - **CLUN** — Clintonia uniflora - **COHE** — Collomia heterophylla - **COCA2** — Conyza canadensis - **COAS** — Coptis aspleniifolia - **COLA** — Coptis laciniata - **COCA** — Cornus canadensis - **CONU** — Cornus nuttallii - **COST** — Cornus stolonifera - **COCOC** — Corylus cornuta var. californica - **COCO2** — Corylus cornuta - **CRCA** — Crepis capillaris - **EPPA** — Epilobium paniculatum - **EPWA** — Epilobium watsonii - **EQUIS** — Equisetum - **FESTU** — Festuca - **FEAR** — Festuca arida - **GATR** — Galium triflorum - **GASH** — Gaultheria shallon - **GOOB** — Goodyera oblongifolia - **GYDR** — Gymnocarpium dryopteris - **HIAL** — Hieracium albiflorum - **HODI** — Holodiscus discolor - **JUCO** — Juncus confusus - **JUOC** — Juniperus occidentalis - **JUSC** — Juniperus scopulorum - **LAOC** — Larix occidentalis - **LAPO** — Lathyrus polyphyllus - **LIBO2** — Linnaea borealis - **LIDE** — Lithocarpus densiflorus - **LOUT** — Lomatium utriculatum - **LOCR** — Lotus crassifolius - **LOOB** — Lotus oblongifolius - **LULA** — Lupinus latifolius - **LUZUL** — Luzula - **MADIA** — Madia - **MADI2** — Maianthemum dilatatum - **MEFE** — Menziesia ferruginea - **MIGU** — Mimulus guttatus - **MOUN** — Moneses uniflora - **MUMO** — Muhlenbergia montana - **OPHO** — Oplopanax horridus - **OXOR** — Oxalis oregana - **PAMY** — Pachystima myrsinites - **PERA** — Pedicularis racemosa - **PEFR2** — Petasites frigidus - **PHLE2** — Philadelphus lewisii - **PHMA** — Physocarpus malvaceus - **PIEN** — Picea engelmannii - **PISI** — Picea sitchensis - **PINUS** — Pinus - **PIAL** — Pinus albicaulis - **PICO** — Pinus contorta - **PIJE** — Pinus jeffreyi - **PILA** — Pinus lambertiana - **PIMO** — Pinus monticola - **PIPO** — Pinus ponderosa - **POFE** — Poa fendleriana - **POMA** — Poa macrantha - **POMU** — Polystichum munitum - **POTR** — Populus tremuloides - **POTR2** — Populus trichocarpa - **PREM** — Prunus emarginata - **PRVI** — Prunus virginiana - **PSME** — Pseudotsuga menziesii - **PTAQ** — Pteridium aquilinum - **PUTR** — Purshia tridentata - **PYSE** — Pyrola secunda - **QUAG** — Quercus agrifolia - **QUCH** — Quercus chrysolepis - **QUGA** — Quercus garryana - **QUKE** — Quercus kelloggii - **QUDO** — Quercus douglasii - **QUEN** — Quercus engelmannii - **QULO** — Quercus lobata - **QUWI** — Quercus wislizeni - **SAJE** — Salix jepsonii - **RHMA** — Rhododendron macrophyllum - **RHGL** — Rhus glabra - **RIBES** — Ribes - **RIBR** — Ribes bracteosum - **ROSA** — Rosa - **RUID** — Rubus idaeus - **RULE** — Rubus leucodermis - **RUPA** — Rubus parviflorus - **RUPE** — Rubus pedatus - **RUSP** — Rubus spectabilis - **RUUR** — Rubus ursinus - **SALIX** — Salix - **SASC** — Salix scouleriana - **SASI2** — Salix sitchensis - **SACE** — Sambucus cerulea - **SEJA** — Senecio jacobaea - **SESY** — Senecio sylvaticus - **SETR** — Senecio triangularis - **SHCA** — Shepherdia canadensis - **SOSC** — Solidago scopulorum - **SPBE** — Spiraea betulifolia - **STCO4** — Stachys cooleyae - **SYMPH** — Symphoricarpos - **SYAL** — Symphoricarpos albus - **TABR** — Taxus brevifolia - **THOC** — Thalictrum occidentale - **THPL** — Thuja plicata - **TITR** — Tiarella trifoliata - **TRLA2** — Trientalis latifolia - **TRLA** — Trifolium latifolium - **TSHE** — Tsuga heterophylla - **TSME** — Tsuga mertensiana - **UMCA** — Umbellularia californica - **VACCI** — Vaccinium - **VAGL** — Vaccinium globulare - **VAPA** — Vaccinium parvifolium - **VASC** — Vaccinium scoparium - **VISE** — Viola sempervirens - **WHMO** — Whipplea modesta - **XETE** — Xerophyllum tenax - **CACH** — Castanopsis chrysophylla - **CASE** — Castanopsis sempervirens - **HABL** — Haplopappus bloomeri - **SILO2** — Sitanion longifolium - **SMST** — Smilacina stellata - **SEGI** — Sequoiadendron giganteum - **DRAU2** — Dryopteris austriaca - **EPAN** — Epilobium angustifolium - **VAAL** — Vaccinium alaskaense - **GNMI** — Gnaphalium microcephalum - **LUCA2** — Luzula campestris - **CADE** — Carex deweyana - **ADPE** — Adiantum pedatum - **EUOR** — Eurhynchium oreganum - **HYSP** — Hylocomium splendens - **HYCI** — Hypnum circinale - **PLUN** — Plagiothecium undulatum - **RHLO** — Rhytidiadelphus loreus - **PTCR** — Ptilium crista-castrensis - **JULA** — Jungermannia lanceolata - **GRAMIN** — Gramin - **PPPA** — mixed conifer species 1 - **THLAPI** — mixed conifer species 2 - **THPSPI** — mixed conifer species 3 - **PIABPI** — mixed conifer species 4 - **ABMAS** — Abies magnifica var. shastensis - **SCI_NAME** — varchar, freetext Scientific name (binomial) for species - **COMM_NAME** — varchar, freetext Common name of species - **BIO_COMP** — varchar, enum Code for biomass component estimated by the equation - **BIT** — Total inflorescence biomass - **BFN** — New foliage biomass - **BFT** — Total foliage biomass - **PFT** — Total projected leaf area - **BRL** — Total root biomass (live) - **BKL** — Biomass, coarse roots, live - **BST** — Total stem biomass - **BRT** — Biomass, roots, total - **BSB** — Stem bark biomass - **AFN** — New all-sided leaf area - **AFT** — Total all-sided leaf area - **BBS** — Small branch biomass - **BCL** — Total live crown biomass - **BCD** — Dead crown biomass - **BBL** — Live branch biomass - **BAT** — Total aboveground biomass - **BBD** — Dead branch biomass - **BAE** — Total aboveground biomass (but note more specific definitions in data table) - **BAP** — Biomass, aboveground, wood plus bark - **BAL** — Aboveground live biomass - **BSW** — Stem wood biomass (without bark) - **BUN** — Nodule biomass, underground - **BCT** — Biomass, crown, live & dead - **VST** — Bole volume, bark and wood - **HST** — Total height - **VAE** — Volume, aboveground, live and dead wood plus bark - **VSB** — Gross bark volume - **VQW** — Wood top volume (but note more specific definitions in data table) - **PCH** — Projected area, crown, horizontal surface - **PFN** — New projected leaf area - **VSW** — Stem wood volume - **GEO_AREA** — varchar, enum Code for the geographic area for which the equation is valid - **G** — General combination of several areas, or unknown - **E** — East side of the Cascades and eastern OR and WA - **C** — Coast ranges (BC, WA, OR, northern CA) - **R** — Rocky mountains - **W** — West side of Cascades - **S** — Sierra Nevada - **A** — Southeast Alaska - **SER_STAG** — varchar, enum Code for the seral stage for which the equation is valid - **Y** — Young (site approaching full occupancy, or site fully occupied; self- thinning occuring; little or no establishment of by later-seral species) - **E** — Early (recently disturbed sites; reorganizational stage of succession; self- thinning not important; herbs and shrubs are usually dominant) - **G** — General (combination of several stages, or unknown) - **O** — Old-growth (original canopy well broken up; late seral species very common and dominating overstory) - **M** — Mature (significant establishment and growth of later-seral species; canopy of early seral species breaking up) - **TAX_LIFE** — varchar, enum Taxonomic lifeform (coppice in lifeform field assigned to tree or shrub) - **S** — Shrub - **T** — Tree - **M** — Bryophyte - **K** — Coppice; lifeform recognized for trees and shrubs because stump sprouts often have different growth form than plants grown from seed. - **G** — Grass - **H** — Herb - **C** — Sedge, rush - **PA1_CODE** — varchar, enum Code for the first parameter - **SPA** — Sapwood cross-sectional area - **CR** — Crown ratio - **DBA** — Diameter at or near base (but note more specific definitions in data table) - **CIR** — Circumference - **COV** — Canopy cover - **DBH** — Diameter at breast height - **BIO** — Biomass - **HT** — Height - **VOL** — Volume (for example, of bole, or crown) - **WID** — Width (for example, projected crown width) - **NUM** — Number (for example, of fronds, of stems, or flowers) - **SAP** — Sapwood radial thickness - **LEN** — Length (for example, along stem, projected crown length) - **PA1_TEXT** — varchar, freetext Definition for the first parameter - **PA1_MIN** — numeric(0.001000), range 0.0000 118.9000, number Minimum value for first parameter - **PA1_MAX** — numeric(0.001000), range 0.3000 6551.0000, number Maximum value for first parameter - **PA1_UNIT** — varchar, freetext Unit of second parameter - **PA2_CODE** — varchar, enum Code for the second parameter - **SPA** — Sapwood cross-sectional area - **CR** — Crown ratio - **DBA** — Diameter at or near base (but note more specific definitions in data table) - **CIR** — Circumference - **COV** — Canopy cover - **DBH** — Diameter at breast height - **BIO** — Biomass - **HT** — Height - **VOL** — Volume (for example, of bole, or crown) - **WID** — Width (for example, projected crown width) - **NUM** — Number (for example, of fronds, of stems, or flowers) - **SAP** — Sapwood radial thickness - **LEN** — Length (for example, along stem, projected crown length) - **PA2_TEXT** — varchar, freetext Definition for the second parameter - **PA2_MIN** — numeric(0.001000), range 0.1000 1829.0000, number Minimum value for second parameter - **PA2_MAX** — numeric(0.001000), range 1.0000 4400.0000, number Maximum value for second parameter - **PA2_UNIT** — varchar, freetext Unit of second parameter - **PA3_CODE** — varchar, enum Code for the third parameter - **SPA** — Sapwood cross-sectional area - **CR** — Crown ratio - **DBA** — Diameter at or near base (but note more specific definitions in data table) - **CIR** — Circumference - **COV** — Canopy cover - **DBH** — Diameter at breast height - **BIO** — Biomass - **HT** — Height - **VOL** — Volume (for example, of bole, or crown) - **WID** — Width (for example, projected crown width) - **NUM** — Number (for example, of fronds, of stems, or flowers) - **SAP** — Sapwood radial thickness - **LEN** — Length (for example, along stem, projected crown length) - **PA3_TEXT** — varchar, freetext Definition for the third parameter - **PA3_MIN** — numeric(0.001000), range 0.0750 34.0000, number Minimum value for third parameter - **PA3_MAX** — numeric(0.001000), range 0.5500 266.0000, number Maximum value for third parameter - **PA3_UNIT** — varchar, freetext Unit of third parameter - **DEP_VAR** — varchar, freetext Dependent variable in equation - **DPV_MIN** — numeric(0.010000), range 0.0000 16000000.0000, number Minimum value of dependent variable - **DPV_MAX** — numeric(0.010000), range 1.2100 650000000.0000, number Maximum value of dependent variable - **DPV_UNIT** — varchar, freetext Unit of dependent variable - **CF1** — numeric(0.000000), range -42000.0000 419000.0000, number First equation coefficient - **CF2** — numeric(0.000000), range -2025.0890 3864.1599, number Second equation coefficient - **CF3** — numeric(0.000000), range -108.6238 285.3748, number Thrid equation coefficient - **CF4** — numeric(0.000000), range -0.1820 3.0950, number Fourth equation coefficient - **EQUATION** — varchar, freetext Explicit equation with coefficients ## Entity 2: TP07202 ### Attribute list - **EQN_NO** — numeric(1.000000), range 1.0000 1156.0000, number Sequential equation number - **LIFEFORM** — varchar, enum Lifeform code (includes K = coppice for some trees and shrubs) - **S** — Shrub - **T** — Tree - **M** — Bryophyte - **K** — Coppice; lifeform recognized for trees and shrubs because stump sprouts often have different growth form than plants grown from seed. - **G** — Grass - **H** — Herb - **C** — Sedge, rush - **SPP_CODE** — varchar, enum Species code according to Garrison et al., 1972 - **CEDAR** — Cupressaceae - **ABIES** — Abies - **ABAM** — Abies amabilis - **ABCO** — Abies concolor - **ABGR** — Abies grandis - **ABLA2** — Abies lasiocarpa - **ABMA** — Abies magnifica - **ABPR** — Abies procera - **ACCI** — Acer circinatum - **ACGL** — Acer glabrum - **ACMA** — Acer macrophyllum - **ADBI** — Adenocaulon bicolor - **AGROS** — Agrostis - **ALRU** — Alnus rubra - **ALSI** — Alnus sinuata - **AMAL** — Amelanchier alnifolia - **ANMA** — Anaphalis margaritacea - **ARCA3** — Aralia californica - **ARME** — Arbutus menziesii - **ARCO3** — Arctostaphylos columbiana - **ARPA** — Arctostaphylos patula - **ARUV** — Arctostaphylos uva-ursi - **ARVI** — Arctostaphylos viscida - **ARTRW** — Artemisia tridentata ssp. wyomingensis - **ARTR** — Artemisia tridentata - **ATFI** — Athyrium filix-femina - **BENE** — Berberis nervosa - **BERE** — Berberis repens - **BEPA** — Betula papyrifera - **BLSP** — Blechnum spicant - **CARU** — Calamagrostis rubescens - **CASC2** — Campanula scouleri - **CECO** — Ceanothus cordulatus - **CEIN** — Ceanothus integerrimus - **CESA** — Ceanothus sanguineus - **CEVEL** — Ceanothus velutinus var.laevigatus - **CEVEV** — Ceanothus velutinus var. velutinus - **CEVE** — Ceanothus velutinus - **CHNO** — Chamaecyparis nootkatensis - **CHUM** — Chimaphila umbellata - **CHNA** — Chrysothamnus nauseosus - **CIRSI** — Cirsium - **CIVU** — Cirsium vulgare - **CLUN** — Clintonia uniflora - **COHE** — Collomia heterophylla - **COCA2** — Conyza canadensis - **COAS** — Coptis aspleniifolia - **COLA** — Coptis laciniata - **COCA** — Cornus canadensis - **CONU** — Cornus nuttallii - **COST** — Cornus stolonifera - **COCOC** — Corylus cornuta var. californica - **COCO2** — Corylus cornuta - **CRCA** — Crepis capillaris - **EPPA** — Epilobium paniculatum - **EPWA** — Epilobium watsonii - **EQUIS** — Equisetum - **FESTU** — Festuca - **FEAR** — Festuca arida - **GATR** — Galium triflorum - **GASH** — Gaultheria shallon - **GOOB** — Goodyera oblongifolia - **GYDR** — Gymnocarpium dryopteris - **HIAL** — Hieracium albiflorum - **HODI** — Holodiscus discolor - **JUCO** — Juncus confusus - **JUOC** — Juniperus occidentalis - **JUSC** — Juniperus scopulorum - **LAOC** — Larix occidentalis - **LAPO** — Lathyrus polyphyllus - **LIBO2** — Linnaea borealis - **LIDE** — Lithocarpus densiflorus - **LOUT** — Lomatium utriculatum - **LOCR** — Lotus crassifolius - **LOOB** — Lotus oblongifolius - **LULA** — Lupinus latifolius - **LUZUL** — Luzula - **MADIA** — Madia - **MADI2** — Maianthemum dilatatum - **MEFE** — Menziesia ferruginea - **MIGU** — Mimulus guttatus - **MOUN** — Moneses uniflora - **MUMO** — Muhlenbergia montana - **OPHO** — Oplopanax horridus - **OXOR** — Oxalis oregana - **PAMY** — Pachystima myrsinites - **PERA** — Pedicularis racemosa - **PEFR2** — Petasites frigidus - **PHLE2** — Philadelphus lewisii - **PHMA** — Physocarpus malvaceus - **PIEN** — Picea engelmannii - **PISI** — Picea sitchensis - **PINUS** — Pinus - **PIAL** — Pinus albicaulis - **PICO** — Pinus contorta - **PIJE** — Pinus jeffreyi - **PILA** — Pinus lambertiana - **PIMO** — Pinus monticola - **PIPO** — Pinus ponderosa - **POFE** — Poa fendleriana - **POMA** — Poa macrantha - **POMU** — Polystichum munitum - **POTR** — Populus tremuloides - **POTR2** — Populus trichocarpa - **PREM** — Prunus emarginata - **PRVI** — Prunus virginiana - **PSME** — Pseudotsuga menziesii - **PTAQ** — Pteridium aquilinum - **PUTR** — Purshia tridentata - **PYSE** — Pyrola secunda - **QUAG** — Quercus agrifolia - **QUCH** — Quercus chrysolepis - **QUGA** — Quercus garryana - **QUKE** — Quercus kelloggii - **QUDO** — Quercus douglasii - **QUEN** — Quercus engelmannii - **QULO** — Quercus lobata - **QUWI** — Quercus wislizeni - **SAJE** — Salix jepsonii - **RHMA** — Rhododendron macrophyllum - **RHGL** — Rhus glabra - **RIBES** — Ribes - **RIBR** — Ribes bracteosum - **ROSA** — Rosa - **RUID** — Rubus idaeus - **RULE** — Rubus leucodermis - **RUPA** — Rubus parviflorus - **RUPE** — Rubus pedatus - **RUSP** — Rubus spectabilis - **RUUR** — Rubus ursinus - **SALIX** — Salix - **SASC** — Salix scouleriana - **SASI2** — Salix sitchensis - **SACE** — Sambucus cerulea - **SEJA** — Senecio jacobaea - **SESY** — Senecio sylvaticus - **SETR** — Senecio triangularis - **SHCA** — Shepherdia canadensis - **SOSC** — Solidago scopulorum - **SPBE** — Spiraea betulifolia - **STCO4** — Stachys cooleyae - **SYMPH** — Symphoricarpos - **SYAL** — Symphoricarpos albus - **TABR** — Taxus brevifolia - **THOC** — Thalictrum occidentale - **THPL** — Thuja plicata - **TITR** — Tiarella trifoliata - **TRLA2** — Trientalis latifolia - **TRLA** — Trifolium latifolium - **TSHE** — Tsuga heterophylla - **TSME** — Tsuga mertensiana - **UMCA** — Umbellularia californica - **VACCI** — Vaccinium - **VAGL** — Vaccinium globulare - **VAPA** — Vaccinium parvifolium - **VASC** — Vaccinium scoparium - **VISE** — Viola sempervirens - **WHMO** — Whipplea modesta - **XETE** — Xerophyllum tenax - **CACH** — Castanopsis chrysophylla - **CASE** — Castanopsis sempervirens - **HABL** — Haplopappus bloomeri - **SILO2** — Sitanion longifolium - **SMST** — Smilacina stellata - **SEGI** — Sequoiadendron giganteum - **DRAU2** — Dryopteris austriaca - **EPAN** — Epilobium angustifolium - **VAAL** — Vaccinium alaskaense - **GNMI** — Gnaphalium microcephalum - **LUCA2** — Luzula campestris - **CADE** — Carex deweyana - **ADPE** — Adiantum pedatum - **EUOR** — Eurhynchium oreganum - **HYSP** — Hylocomium splendens - **HYCI** — Hypnum circinale - **PLUN** — Plagiothecium undulatum - **RHLO** — Rhytidiadelphus loreus - **PTCR** — Ptilium crista-castrensis - **JULA** — Jungermannia lanceolata - **GRAMIN** — Gramin - **PPPA** — mixed conifer species 1 - **THLAPI** — mixed conifer species 2 - **THPSPI** — mixed conifer species 3 - **PIABPI** — mixed conifer species 4 - **ABMAS** — Abies magnifica var. shastensis - **SCI_NAME** — varchar, freetext Scientific name (binomial) for species - **COMM_NAME** — varchar, freetext Common name of species - **BIO_COMP** — varchar, enum Code for biomass component estimated by the equation - **BIT** — Total inflorescence biomass - **BFN** — New foliage biomass - **BFT** — Total foliage biomass - **PFT** — Total projected leaf area - **BRL** — Total root biomass (live) - **BKL** — Biomass, coarse roots, live - **BST** — Total stem biomass - **BRT** — Biomass, roots, total - **BSB** — Stem bark biomass - **AFN** — New all-sided leaf area - **AFT** — Total all-sided leaf area - **BBS** — Small branch biomass - **BCL** — Total live crown biomass - **BCD** — Dead crown biomass - **BBL** — Live branch biomass - **BAT** — Total aboveground biomass - **BBD** — Dead branch biomass - **BAE** — Total aboveground biomass (but note more specific definitions in data table) - **BAP** — Biomass, aboveground, wood plus bark - **BAL** — Aboveground live biomass - **BSW** — Stem wood biomass (without bark) - **BUN** — Nodule biomass, underground - **BCT** — Biomass, crown, live & dead - **VST** — Bole volume, bark and wood - **HST** — Total height - **VAE** — Volume, aboveground, live and dead wood plus bark - **VSB** — Gross bark volume - **VQW** — Wood top volume (but note more specific definitions in data table) - **PCH** — Projected area, crown, horizontal surface - **PFN** — New projected leaf area - **VSW** — Stem wood volume - **GEO_AREA** — varchar, enum Code for the geographic area for which the equation is valid - **G** — General combination of several areas, or unknown - **E** — East side of the Cascades and eastern OR and WA - **C** — Coast ranges (BC, WA, OR, northern CA) - **R** — Rocky mountains - **W** — West side of Cascades - **S** — Sierra Nevada - **A** — Southeast Alaska - **SER_STAG** — varchar, enum Code for the seral stage for which the equation is valid - **Y** — Young (site approaching full occupancy, or site fully occupied; self- thinning occuring; little or no establishment of by later-seral species) - **E** — Early (recently disturbed sites; reorganizational stage of succession; self- thinning not important; herbs and shrubs are usually dominant) - **G** — General (combination of several stages, or unknown) - **O** — Old-growth (original canopy well broken up; late seral species very common and dominating overstory) - **M** — Mature (significant establishment and growth of later-seral species; canopy of early seral species breaking up) - **DPV_O** — varchar, freetext Dependent variable name in source publication - **DPV_OMIN** — numeric(0.001000), range 0.0000 16000.0000, number Dependent variable minimum in source publication - **DPV_OMAX** — numeric(0.001000), range 1.1600 650000.0000, number Dependent variable maximum in source publication - **DPV_OUNIT** — varchar, freetext Dependent variable unit in source publication - **IP1_TEXT** — varchar, freetext Definition of first independent parameter - **IP1_MIN** — numeric(0.001000), range 0.0000 22680.0000, number Minimum value of first independent parameter - **IP1_MAX** — numeric(0.001000), range 0.3000 6600000.0000, number Maximum value of first independent parameter - **IP1_UNIT** — varchar, freetext Unit of first independent parameter - **IP2_TEXT** — varchar, freetext Definition of second independent parameter - **IP2_MIN** — varchar, freetext Minimum value of second independent parameter - **IP2_MAX** — numeric(0.001000), range 1.0000 2774.0000, number Maximum value of second independent parameter - **IP2_UNIT** — varchar, freetext Unit of second independent parameter - **IP3_TEXT** — varchar, freetext Definition of third independent parameter - **IP3_MIN** — numeric(0.001000), range 0.0750 34.0000, number Minimum value of third independent parameter - **IP3_MAX** — numeric(0.001000), range 0.5500 266.0000, number Maximum value of third independent parameter - **IP3_UNIT** — varchar, freetext Unit of third independent parameter - **ORG_EQFM** — varchar, freetext Original equation form - **SMP_SIZE** — numeric(1.000000), range 3.0000 867.0000, number Sample size in underlying data - **R_SQUARE** — numeric(0.001000), range 0.0000 1.0000, number Coefficient of variation - **MS_ERROR** — numeric(0.000000), range 0.0000 4733670.5000, number Mean square error - **SEE** — numeric(0.000000), range 0.0000 2175.7000, number Sum of squares for error ## Entity 3: TP07203 ### Attribute list - **EQN_NO** — numeric(1.000000), range 1.0000 1156.0000, number Sequential equation number - **RAW_DATA** — varchar, freetext Reference to people owning or locations containing the raw underlying data - **SRC_EQN** — varchar, freetext Notes and references to people that developed the equations - **SRC_DAT** — varchar, freetext Additional notes related to data and equations ## Attribute Definitions **BIO_COMP** Code for biomass component estimated by the equation **CF1** First equation coefficient **CF2** Second equation coefficient **CF3** Thrid equation coefficient **CF4** Fourth equation coefficient **COMM_NAME** Common name of species **DEP_VAR** Dependent variable in equation **DPV_MAX** Maximum value of dependent variable **DPV_MIN** Minimum value of dependent variable **DPV_O** Dependent variable name in source publication **DPV_OMAX** Dependent variable maximum in source publication **DPV_OMIN** Dependent variable minimum in source publication **DPV_OUNIT** Dependent variable unit in source publication **DPV_UNIT** Unit of dependent variable **EQN_NO** Sequential equation number **EQUATION** Explicit equation with coefficients **GEO_AREA** Code for the geographic area for which the equation is valid **IP1_MAX** Maximum value of first independent parameter **IP1_MIN** Minimum value of first independent parameter **IP1_TEXT** Definition of first independent parameter **IP1_UNIT** Unit of first independent parameter **IP2_MAX** Maximum value of second independent parameter **IP2_MIN** Minimum value of second independent parameter **IP2_TEXT** Definition of second independent parameter **IP2_UNIT** Unit of second independent parameter **IP3_MAX** Maximum value of third independent parameter **IP3_MIN** Minimum value of third independent parameter **IP3_TEXT** Definition of third independent parameter **IP3_UNIT** Unit of third independent parameter **LIFEFORM** Lifeform code (includes K = coppice for some trees and shrubs) **MS_ERROR** Mean square error **ORG_EQFM** Original equation form **PA1_CODE** Code for the first parameter **PA1_MAX** Maximum value for first parameter **PA1_MIN** Minimum value for first parameter **PA1_TEXT** Definition for the first parameter **PA1_UNIT** Unit of second parameter **PA2_CODE** Code for the second parameter **PA2_MAX** Maximum value for second parameter **PA2_MIN** Minimum value for second parameter **PA2_TEXT** Definition for the second parameter **PA2_UNIT** Unit of second parameter **PA3_CODE** Code for the third parameter **PA3_MAX** Maximum value for third parameter **PA3_MIN** Minimum value for third parameter **PA3_TEXT** Definition for the third parameter **PA3_UNIT** Unit of third parameter **RAW_DATA** Reference to people owning or locations containing the raw underlying data **R_SQUARE** Coefficient of variation **SCI_NAME** Scientific name (binomial) for species **SEE** Sum of squares for error **SER_STAG** Code for the seral stage for which the equation is valid **SMP_SIZE** Sample size in underlying data **SPP_CODE** Species code according to Garrison et al., 1972 **SRC_DAT** Additional notes related to data and equations **SRC_EQN** Notes and references to people that developed the equations **TAX_LIFE** Taxonomic lifeform (coppice in lifeform field assigned to tree or shrub) ## Enumerated Domains ### LIFEFORM - **S** — Shrub - **T** — Tree - **M** — Bryophyte - **K** — Coppice; lifeform recognized for trees and shrubs because stump sprouts often have different growth form than plants grown from seed. - **G** — Grass - **H** — Herb - **C** — Sedge, rush ### SPP_CODE - **CEDAR** — Cupressaceae - **ABIES** — Abies - **ABAM** — Abies amabilis - **ABCO** — Abies concolor - **ABGR** — Abies grandis - **ABLA2** — Abies lasiocarpa - **ABMA** — Abies magnifica - **ABPR** — Abies procera - **ACCI** — Acer circinatum - **ACGL** — Acer glabrum - **ACMA** — Acer macrophyllum - **ADBI** — Adenocaulon bicolor - **AGROS** — Agrostis - **ALRU** — Alnus rubra - **ALSI** — Alnus sinuata - **AMAL** — Amelanchier alnifolia - **ANMA** — Anaphalis margaritacea - **ARCA3** — Aralia californica - **ARME** — Arbutus menziesii - **ARCO3** — Arctostaphylos columbiana - **ARPA** — Arctostaphylos patula - **ARUV** — Arctostaphylos uva-ursi - **ARVI** — Arctostaphylos viscida - **ARTRW** — Artemisia tridentata ssp. wyomingensis - **ARTR** — Artemisia tridentata - **ATFI** — Athyrium filix-femina - **BENE** — Berberis nervosa - **BERE** — Berberis repens - **BEPA** — Betula papyrifera - **BLSP** — Blechnum spicant - **CARU** — Calamagrostis rubescens - **CASC2** — Campanula scouleri - **CECO** — Ceanothus cordulatus - **CEIN** — Ceanothus integerrimus - **CESA** — Ceanothus sanguineus - **CEVEL** — Ceanothus velutinus var.laevigatus - **CEVEV** — Ceanothus velutinus var. velutinus - **CEVE** — Ceanothus velutinus - **CHNO** — Chamaecyparis nootkatensis - **CHUM** — Chimaphila umbellata - **CHNA** — Chrysothamnus nauseosus - **CIRSI** — Cirsium - **CIVU** — Cirsium vulgare - **CLUN** — Clintonia uniflora - **COHE** — Collomia heterophylla - **COCA2** — Conyza canadensis - **COAS** — Coptis aspleniifolia - **COLA** — Coptis laciniata - **COCA** — Cornus canadensis - **CONU** — Cornus nuttallii - **COST** — Cornus stolonifera - **COCOC** — Corylus cornuta var. californica - **COCO2** — Corylus cornuta - **CRCA** — Crepis capillaris - **EPPA** — Epilobium paniculatum - **EPWA** — Epilobium watsonii - **EQUIS** — Equisetum - **FESTU** — Festuca - **FEAR** — Festuca arida - **GATR** — Galium triflorum - **GASH** — Gaultheria shallon - **GOOB** — Goodyera oblongifolia - **GYDR** — Gymnocarpium dryopteris - **HIAL** — Hieracium albiflorum - **HODI** — Holodiscus discolor - **JUCO** — Juncus confusus - **JUOC** — Juniperus occidentalis - **JUSC** — Juniperus scopulorum - **LAOC** — Larix occidentalis - **LAPO** — Lathyrus polyphyllus - **LIBO2** — Linnaea borealis - **LIDE** — Lithocarpus densiflorus - **LOUT** — Lomatium utriculatum - **LOCR** — Lotus crassifolius - **LOOB** — Lotus oblongifolius - **LULA** — Lupinus latifolius - **LUZUL** — Luzula - **MADIA** — Madia - **MADI2** — Maianthemum dilatatum - **MEFE** — Menziesia ferruginea - **MIGU** — Mimulus guttatus - **MOUN** — Moneses uniflora - **MUMO** — Muhlenbergia montana - **OPHO** — Oplopanax horridus - **OXOR** — Oxalis oregana - **PAMY** — Pachystima myrsinites - **PERA** — Pedicularis racemosa - **PEFR2** — Petasites frigidus - **PHLE2** — Philadelphus lewisii - **PHMA** — Physocarpus malvaceus - **PIEN** — Picea engelmannii - **PISI** — Picea sitchensis - **PINUS** — Pinus - **PIAL** — Pinus albicaulis - **PICO** — Pinus contorta - **PIJE** — Pinus jeffreyi - **PILA** — Pinus lambertiana - **PIMO** — Pinus monticola - **PIPO** — Pinus ponderosa - **POFE** — Poa fendleriana - **POMA** — Poa macrantha - **POMU** — Polystichum munitum - **POTR** — Populus tremuloides - **POTR2** — Populus trichocarpa - **PREM** — Prunus emarginata - **PRVI** — Prunus virginiana - **PSME** — Pseudotsuga menziesii - **PTAQ** — Pteridium aquilinum - **PUTR** — Purshia tridentata - **PYSE** — Pyrola secunda - **QUAG** — Quercus agrifolia - **QUCH** — Quercus chrysolepis - **QUGA** — Quercus garryana - **QUKE** — Quercus kelloggii - **QUDO** — Quercus douglasii - **QUEN** — Quercus engelmannii - **QULO** — Quercus lobata - **QUWI** — Quercus wislizeni - **SAJE** — Salix jepsonii - **RHMA** — Rhododendron macrophyllum - **RHGL** — Rhus glabra - **RIBES** — Ribes - **RIBR** — Ribes bracteosum - **ROSA** — Rosa - **RUID** — Rubus idaeus - **RULE** — Rubus leucodermis - **RUPA** — Rubus parviflorus - **RUPE** — Rubus pedatus - **RUSP** — Rubus spectabilis - **RUUR** — Rubus ursinus - **SALIX** — Salix - **SASC** — Salix scouleriana - **SASI2** — Salix sitchensis - **SACE** — Sambucus cerulea - **SEJA** — Senecio jacobaea - **SESY** — Senecio sylvaticus - **SETR** — Senecio triangularis - **SHCA** — Shepherdia canadensis - **SOSC** — Solidago scopulorum - **SPBE** — Spiraea betulifolia - **STCO4** — Stachys cooleyae - **SYMPH** — Symphoricarpos - **SYAL** — Symphoricarpos albus - **TABR** — Taxus brevifolia - **THOC** — Thalictrum occidentale - **THPL** — Thuja plicata - **TITR** — Tiarella trifoliata - **TRLA2** — Trientalis latifolia - **TRLA** — Trifolium latifolium - **TSHE** — Tsuga heterophylla - **TSME** — Tsuga mertensiana - **UMCA** — Umbellularia californica - **VACCI** — Vaccinium - **VAGL** — Vaccinium globulare - **VAPA** — Vaccinium parvifolium - **VASC** — Vaccinium scoparium - **VISE** — Viola sempervirens - **WHMO** — Whipplea modesta - **XETE** — Xerophyllum tenax - **CACH** — Castanopsis chrysophylla - **CASE** — Castanopsis sempervirens - **HABL** — Haplopappus bloomeri - **SILO2** — Sitanion longifolium - **SMST** — Smilacina stellata - **SEGI** — Sequoiadendron giganteum - **DRAU2** — Dryopteris austriaca - **EPAN** — Epilobium angustifolium - **VAAL** — Vaccinium alaskaense - **GNMI** — Gnaphalium microcephalum - **LUCA2** — Luzula campestris - **CADE** — Carex deweyana - **ADPE** — Adiantum pedatum - **EUOR** — Eurhynchium oreganum - **HYSP** — Hylocomium splendens - **HYCI** — Hypnum circinale - **PLUN** — Plagiothecium undulatum - **RHLO** — Rhytidiadelphus loreus - **PTCR** — Ptilium crista-castrensis - **JULA** — Jungermannia lanceolata - **GRAMIN** — Gramin - **PPPA** — mixed conifer species 1 - **THLAPI** — mixed conifer species 2 - **THPSPI** — mixed conifer species 3 - **PIABPI** — mixed conifer species 4 - **ABMAS** — Abies magnifica var. shastensis ### BIO_COMP - **BIT** — Total inflorescence biomass - **BFN** — New foliage biomass - **BFT** — Total foliage biomass - **PFT** — Total projected leaf area - **BRL** — Total root biomass (live) - **BKL** — Biomass, coarse roots, live - **BST** — Total stem biomass - **BRT** — Biomass, roots, total - **BSB** — Stem bark biomass - **AFN** — New all-sided leaf area - **AFT** — Total all-sided leaf area - **BBS** — Small branch biomass - **BCL** — Total live crown biomass - **BCD** — Dead crown biomass - **BBL** — Live branch biomass - **BAT** — Total aboveground biomass - **BBD** — Dead branch biomass - **BAE** — Total aboveground biomass (but note more specific definitions in data table) - **BAP** — Biomass, aboveground, wood plus bark - **BAL** — Aboveground live biomass - **BSW** — Stem wood biomass (without bark) - **BUN** — Nodule biomass, underground - **BCT** — Biomass, crown, live & dead - **VST** — Bole volume, bark and wood - **HST** — Total height - **VAE** — Volume, aboveground, live and dead wood plus bark - **VSB** — Gross bark volume - **VQW** — Wood top volume (but note more specific definitions in data table) - **PCH** — Projected area, crown, horizontal surface - **PFN** — New projected leaf area - **VSW** — Stem wood volume ### GEO_AREA - **G** — General combination of several areas, or unknown - **E** — East side of the Cascades and eastern OR and WA - **C** — Coast ranges (BC, WA, OR, northern CA) - **R** — Rocky mountains - **W** — West side of Cascades - **S** — Sierra Nevada - **A** — Southeast Alaska ### SER_STAG - **Y** — Young (site approaching full occupancy, or site fully occupied; self- thinning occuring; little or no establishment of by later-seral species) - **E** — Early (recently disturbed sites; reorganizational stage of succession; self- thinning not important; herbs and shrubs are usually dominant) - **G** — General (combination of several stages, or unknown) - **O** — Old-growth (original canopy well broken up; late seral species very common and dominating overstory) - **M** — Mature (significant establishment and growth of later-seral species; canopy of early seral species breaking up) ### TAX_LIFE - **S** — Shrub - **T** — Tree - **M** — Bryophyte - **K** — Coppice; lifeform recognized for trees and shrubs because stump sprouts often have different growth form than plants grown from seed. - **G** — Grass - **H** — Herb - **C** — Sedge, rush ### PA1_CODE - **SPA** — Sapwood cross-sectional area - **CR** — Crown ratio - **DBA** — Diameter at or near base (but note more specific definitions in data table) - **CIR** — Circumference - **COV** — Canopy cover - **DBH** — Diameter at breast height - **BIO** — Biomass - **HT** — Height - **VOL** — Volume (for example, of bole, or crown) - **WID** — Width (for example, projected crown width) - **NUM** — Number (for example, of fronds, of stems, or flowers) - **SAP** — Sapwood radial thickness - **LEN** — Length (for example, along stem, projected crown length) ### PA2_CODE - **SPA** — Sapwood cross-sectional area - **CR** — Crown ratio - **DBA** — Diameter at or near base (but note more specific definitions in data table) - **CIR** — Circumference - **COV** — Canopy cover - **DBH** — Diameter at breast height - **BIO** — Biomass - **HT** — Height - **VOL** — Volume (for example, of bole, or crown) - **WID** — Width (for example, projected crown width) - **NUM** — Number (for example, of fronds, of stems, or flowers) - **SAP** — Sapwood radial thickness - **LEN** — Length (for example, along stem, projected crown length) ### PA3_CODE - **SPA** — Sapwood cross-sectional area - **CR** — Crown ratio - **DBA** — Diameter at or near base (but note more specific definitions in data table) - **CIR** — Circumference - **COV** — Canopy cover - **DBH** — Diameter at breast height - **BIO** — Biomass - **HT** — Height - **VOL** — Volume (for example, of bole, or crown) - **WID** — Width (for example, projected crown width) - **NUM** — Number (for example, of fronds, of stems, or flowers) - **SAP** — Sapwood radial thickness - **LEN** — Length (for example, along stem, projected crown length)