Biocomplexity of Patterned Ground Data Report - Permanent Vegetation Plots, Imnavait Creek - Toolik Lake Permanent Vegetation Plots
Permanent Vegetation Plots, Toolik Lake
Appendix 1. Plot and Soil Photos
Data on this page comes from:
- Table 1. Preliminary vegetation classification based on habitat and dominant species and sample numbers for each type
- Table 2. List of vegetation communities and microsites sampled in 1989
- Table 4. Environmental data for permanent plots
- Table 5. Soils data for Toolik lake permanent plots
- Table 6. Toolik Lake permanent plot species data
SWT-1
General Description Plant community Moist Carex membranacea, Carex scirpoidea, Salix chamissonis, Salix reticulata, Potentilla fruticosa sedge, dwarf-shrub, forb tundra Microsite Featureless active floodplain Other plots with same description SWT-1, 16, 34*, 62 Veg Type - GIS code 1:500 408 Veg Type - GIS code 1:5000 65 * Plots with soil descriptions and soil analysis for most horizons. ^Plots with soil analysis for most horizons. All other plots have soil analysis for horizon at 10-cm depth (rooting zone). Environmental Variables See Table 3 for description of variables Date
SampledLand-
formSurficial
GeologyGlacial
GeologySurficial
GeomorphologyMicro-
siteTopographic
PositionSoil
UnitsSoil
Moisture8/2/93 2 4 4 10 5 9 7 Slope(°) Aspect(°) Cryoturbation
(%)Height of
Microrelief
(cm)Thaw
Depth
(cm)Water
Cover
(%)Bare Soil
Cover
(%)Rock
Cover
(%)2 0 0 5 R 0 0 0 Soil - Physical Variables
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Sample No. Horizon Depth Wet color Bulk density Gravel Sand Silt Clay Texture % H20 OM (cm) (g/cc) % % % 1 atm 1/3 atm 15 atm % T-001 Oa 0-10 7.5YR 2/2 0.57 NA NA NA NA 114.7 NA NA 37.3 T-002 A 10-20 10YR 3/2 1.55 21.8 Soil - Chemical Variables Sample No. Horizon Paste pH Paste E.C. N03-N P K Zn Fe Mn Cu Ca Mg Na K % CaCO3 meq/100g CEC mmhos/cm (ppm) (meq/100g) equiv T-001 Oa 5.6 0.8 10 11 97.2 22.3 820 467 8.5 NA NA NA NA NA 35 T-002 A *1= routine analysis + hydromete particle size + gravel (1 fraction) + CaCO3 equiv. + Ca, Mg, Na, K + CEC *1a = same as (1) but with water: field capacity, available, hygroscopic **2 = same as (1) but without gravel fraction **2a = same as (2) with water; field capacity, available, hygroscopic ***3 = routine analysis + CEC **** = Insufficient sample NA = Not analyzed Vegetation
Vegetation closeup- Enlarge vegetation closeup
Plant Growth Form Composition Tall shrub
Cover
(%)Low shrub
Cover
(%)Dwarf shrub
Cover
(%)Shrub
height
(cm)Graminoid
Cover
(%)Forb
Cover
(%)Lichen
Cover
(%)Bryophyte
Cover
(%)Horsetail
Cover
(%)0 5 50 25 60 5 + 20 0 Plant Species Composition Bryophytes Aulacomnium acuminatum +, Aulacomnium palustre 2, Bryum pseudotriquetrum +, Campylium stellatum +, Climacium dendroides +, Cyrtomnium hymenophyllum +, Dicranum angustum +, Distichium capillaceum +, Ditrichum flexicaule +, Drepanocladus uncinatus 1, Fissidens osmundioides +, Hylocomium splendens obtusifolium +, Hypnum lindbergii +, Mnium sp. +, Ondontoschisma macounii +, Polytrichum commune +, Polytrichum juniperinum +, Racomitrium canescens +, Sphagnum rubellum +, Sphagnum warnstorfii +, Tomenthypnum nitens 2, Unknown leafy liverwort + Forbs Aconitum delphinifolium paradoxum +, Anemone richardsonii 1, Artemisia arctica s.l. +, Cardamine hyperborea +, Dodecatheon frigidum 1, Epilobium latifolium +, Parnassia palustris +, Pedicularis capitata r, Pedicularis langsdorffii arctica +, Polygonum bistorta plumosum +, Polygonum viviparum +, Saxifraga nivalis r, Senecio lugens +, Solidago multiradiata var. multiradiata +, Tofieldia pusilla +, Valeriana capitata +, Wilhemsia physodes + Graminoids Calamagrostis canadensis s.l. +, Carex membranacea 3, Carex podocarpa +, Carex scirpoidea +, Festuca altaica + Lichens Cladonia macrophylla + Pteridophytes Equisetum arvense 1, Equisetum scirpoides 1, Equisetum variegatum variegatum +, Lycopodium annotinum + Shrubs Andromeda polifolia +, Betula nana s.l. r, Cassiope tetragona tetragona r, Loiseleuria procumbens r, Potentilla fruticosa 1, Pyrola asarifolia +, Salix chamissonis 2, Salix reticulata reticulata 1, Vaccinium uliginosum 1
SWT-2
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Soil closeup
Preliminary vegetation classification based on habitat and dominant species and sample numbers for each type. Principal habitat Moist tundra Preliminary community name Riparian willows Plots Salix lanata - Salix alaxensis Other plots with same description SWT-2*, 28, 33, 67 * Plots with soil descriptions and soil analysis for most horizons. ^Plots with soil analysis for most horizons. All other plots have soil analysis for horizon at 10-cm depth (rooting zone). List of vegetation communities and microsites sampled in 1989. Plant community Moist Salix alaxensis, Aster sibirica, Calamagrostis canadensis, Potentilla fruticosa tall shrubland Microsite Featureless active floodplain Veg Type GIS code 1:500 321 Veg Type GIS code 1:5000 61 Environmental Variables Date Sampled 8/1/89 Landform 2 Height of Microrelief (cm) 5 Dwarf shrub Cover (%) 5 Surficial Geology 4 Thaw Depth (cm) >46 Shrub height (cm) 200 Glacial Geology 4 Water Cover (%) 0 Graminoid Cover (%) 10 Surficial Geomorphology 10 Bare soil Cover (%) 0 Forb Cover (%) 25 Micro-site Rock Cover (%) 0 Lichen Cover (%) 0 Topographic Position 5 Soil Units 15 Bryophyte Cover (%) + Slope(°) 2 Site Moisture 4 Horsetail Cover (%) 0 Aspect(°) 0 Tall shrub Cover (%) 10 Cryoturbation (%) 0 Low shrub Cover (%) 60 Soils data for Toolik Lake permanent plots Sample No. T-003 Horizon A1 Texture S NH4HCO3-DTPA
Extract (ppm)NO3-N <1 NH4Oac
Extract
(meq/100g)Ca 6.23 Depth (cm) 0-10 % H20 Field 8 P 5 Mg 0.82 Wet color 7.5YR 2/2.5 % H2O
(1/3)
BAR## K 105 Na 0.08 Bulk density
(g/cc)
(1/240)1.06 % H2O
(15)
BAR## Zn 10.1 K 0.27 % >2mm 56 % OM 4.7 Fe 63.7 CaCO3 0.4 % Sand 94 Paste pH 6.3 Mn 152 meq/100g
(CEC)8.3 % Silt 1 Paste E.C. (mmhos/cm) 0.7 Cu 1.7 % Clay 5 Bray# (P) ppm Sample No. T-004 Horizon A2 Texture SL NH4HCO3-DTPA
Extract (ppm)NO3-N <1 NH4Oac
Extract
(meq/100g)Ca 9.09 Depth (cm) 10-46 % H20 Field 45.2 P 2.3 Mg 1.51 Wet color 10YR 2.5/3 % H2O
(1/3)
BAR## K 51.1 Na 0.06 Bulk density
(g/cc)
(1/240)0.81 % H2O
(15)
BAR## Zn 18.2 K 0.12 % >2mm 4 % OM 6.5 Fe 67.7 CaCO3 0.5 % Sand 76 Paste pH 6.4 Mn 560 meq/100g
(CEC)12.6 % Silt 13 Paste E.C. (mmhos/cm) 1.2 Cu 4.1 % Clay 1 1 Bray# (P) ppm *1= routine analysis + hydromete particle size + gravel (1 fraction) + CaCO3 equiv. + Ca, Mg, Na, K + CEC *1a = same as (1) but with water: field capacity, available, hygroscopic **2 = same as (1) but without gravel fraction **2a = same as (2) with water; field capacity, available, hygroscopic ***3 = routine analysis + CEC **** = Insufficient sample # = Bray P on samples with pH<6.0 ## = Not analyzed Toolik Lake permanent plot species data Bryophytes Brachythecium groenlandicum +, Bryum pseudotriquetrum +, Climacium dendroides 1, Drepanocladus uncinatus 1, Hypnum lindbergii +, Oncophorus vlrens +, Philonotis fontana pumila +, Plagiomnium ellipticum +, Tomenthypnum nitens +, Forbs Aconitum delphinifolium paradoxum 1, Anemone richardsonii 1, Artemisia arctica s.l. r, Artemisia tilesii tilesii 1, Aster sibiricus 2, Dodecatheon frigidum 1, Epilobium latifolium +, Polemonium acutiflorum +, Senecio lugens 1, Solidago multiradiata var. multiradiata +, Valeriana capitata +, Wilhemsia physodes 1 Graminoids Arctagrostis latifolia r, Calamagrostis canadensis s.l. 2, Carex podocarpa +, Festuca altaica +, Shrubs Potentilla fruticosa 1, Salix alaxensis alaxensis 4, Salix chamissonis 1, Salix lanata richardsonii 2, Salix planifolia pulchra 1, Salix sp. 1
SWT-3
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Soil closeup
Vegetation closeup
Preliminary vegetation classification based on habitat and dominant species and sample numbers for each type. Principal habitat Dry tundra Preliminary community name Outwash terraces and till Plots Betula nana - Cladina arbuscula Other plots with same description SWT-3, 6, 66, 70* * Plots with soil descriptions and soil analysis for most horizons. ^Plots with soil analysis for most horizons. All other plots have soil analysis for horizon at 10-cm depth (rooting zone). List of vegetation communities and microsites sampled in 1989. Plant community Dry Betula nana, Ledum palustre ssp. decumbens, Hierochloe alpina, Cladonia arbuscula dwarf-shrub, lichen tundra Microsite Small turf hummocks on footslope Veg Type GIS code 1:500 301 Veg Type GIS code 1:5000 31 Environmental Variables Date Sampled 8/2/89 Landform 1 Height of Microrelief (cm) 10 Dwarf shrub Cover (%) 60 Surficial Geology 6 Thaw Depth (cm) >60 Shrub height (cm) 10 Glacial Geology 4 Water Cover (%) 0 Graminoid Cover (%) 2 Surficial Geomorphology 3 Bare soil Cover (%) 0 Forb Cover (%) 5 Micro-site Rock Cover (%) 0 Lichen Cover (%) 70 Topographic Position 3 Soil Units 11 Bryophyte Cover (%) 60 Slope(°) 5 Site Moisture 4 Horsetail Cover (%) 0 Aspect(°) 0 Tall shrub Cover (%) 0 Cryoturbation (%) 0 Low shrub Cover (%) 5 Soils data for Toolik Lake permanent plots Sample No. T-005 Horizon Oa2 Texture ## NH4HCO3-DTPA
Extract (ppm)NO3-N 30 NH4Oac
Extract
(meq/100g)Ca ## Depth (cm) 4-18 % H20 Field 248.9 P 92 Mg ## Wet color 7.5YR 2/2 % H2O
(1/3)
BAR## K 229 Na ## Bulk density
(g/cc)
(1/240)0.2 % H2O
(15)
BAR## Zn 8.3 K ## % >2mm % OM 69.6 Fe 1500 CaCO3 ## % Sand ## Paste pH 3.5 Mn 15.2 meq/100g
(CEC)25.3 % Silt ## Paste E.C. (mmhos/cm) 0.8 Cu 1.5 % Clay ## Bray# (P) ppm 87 *1= routine analysis + hydromete particle size + gravel (1 fraction) + CaCO3 equiv. + Ca, Mg, Na, K + CEC *1a = same as (1) but with water: field capacity, available, hygroscopic **2 = same as (1) but without gravel fraction **2a = same as (2) with water; field capacity, available, hygroscopic ***3 = routine analysis + CEC **** = Insufficient sample # = Bray P on samples with pH<6.0 ## = Not analyzed Toolik Lake permanent plot species data Bryophytes Anastrophyllum minutum +, Aulacomnium turgidum +, Dicranum groenlandicum 3, Dicranum scoparium 2, Dicranum spadium +, Hylocomium splendens obtusifolium 1, Polytrichum juniperinum +, Racomitrium lanuginosum r Forbs Pedicularis labradorica r, Polygonum bistorta plumosum 1 Graminoids Calamagrostis canadensis s.l. +, Hierochloe alpina +, Carex microchaeta + Lichens Alectoria ochroleuca +, Asahinea chrysantha +, Cetraria cucullata 1, Cetraria islandica +, Cetraria kamczatica +, Cetraria nivalis 1, Cetraria richardsonii 2, Cladonia amaurocraea +, Cladonia arbuscula 2, Cladonia gracilis +, Cladonia mitis +, Cladonia rangiferina 1, Cladonia uncialis +, Cornicularia divergens +, Dactylina arctica +, Peltigera scabrosa +, Stereocaulon alpinum +, Thamnolia subuliformis + Shrubs Betula nana s.l. 4, Cassiope tetragona tetragona 1, Ledum decumbens 4, Salix phlebophylla r, Vaccinium uliginosum 1, Vaccinium vitis-idaea minus 3
SWT-4
Preliminary vegetation classification based on habitat and dominant species and sample numbers for each type. Principal habitat Wet tundra Preliminary community name Lake margins Plots Arctophila fulva - Hippuris vulgarus Other plots with same description SWT-4, 30* * Plots with soil descriptions and soil analysis for most horizons. ^Plots with soil analysis for most horizons. All other plots have soil analysis for horizon at 10-cm depth (rooting zone). List of vegetation communities and microsites sampled in 1989. Plant community Aquatic Arctophila fulva marsh Microsite Lake, in 20 - 30 cm of water Veg Type GIS code 1:500 601 Veg Type GIS code 1:5000 81 Environmental Variables Date Sampled 8/2/89 Landform 6 Height of Microrelief (cm) 15 Dwarf shrub Cover (%) 0 Surficial Geology 9 Thaw Depth (cm) R Shrub height (cm) 0 Glacial Geology 4 Water Cover (%) 100 Graminoid Cover (%) 30 Surficial Geomorphology 15 Bare soil Cover (%) 0 Forb Cover (%) 1 Micro-site Rock Cover (%) 0 Lichen Cover (%) 0 Topographic Position 7 Soil Units 5 Bryophyte Cover (%) 20 Slope(°) 0 Site Moisture 10 Horsetail Cover (%) 0 Aspect(°) - Tall shrub Cover (%) 0 Cryoturbation (%) 0 Low shrub Cover (%) 0 Soils data for Toolik Lake permanent plots Sample No. T-006 Horizon Oi Texture ## NH4HCO3-DTPA
Extract (ppm)NO3-N 10 NH4Oac
Extract
(meq/100g)Ca ## Depth (cm) % H20 Field 217.5 P 14 Mg ## Wet color % H2O
(1/3)
BAR## K 156 Na ## Bulk density
(g/cc)
(1/240)0.15 % H2O
(15)
BAR## Zn 60.3 K ## % >2mm % OM 23 Fe 3410 CaCO3 ## % Sand ## Paste pH 5 Mn 450 meq/100g
(CEC)16 % Silt ## Paste E.C. (mmhos/cm) 0.9 Cu 24.2 % Clay ## Bray# (P) ppm 4.8 Sample No. T-007 Horizon C Bulk density
(g/cc)
(1/240)- % H20 Field - *1= routine analysis + hydromete particle size + gravel (1 fraction) + CaCO3 equiv. + Ca, Mg, Na, K + CEC *1a = same as (1) but with water: field capacity, available, hygroscopic **2 = same as (1) but without gravel fraction **2a = same as (2) with water; field capacity, available, hygroscopic ***3 = routine analysis + CEC **** = Insufficient sample # = Bray P on samples with pH<6.0 ## = Not analyzed Toolik Lake permanent plot species data Algae Nostoc commume + Bryophytes Scorpidium scorpioides 2 Forbs Hippuris vulgaris +, Ranunculus pallasii + Graminoids Arctophila fulva 3
SWT-5
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Soil closeup
Vegetation closeup
Preliminary vegetation classification based on habitat and dominant species and sample numbers for each type. Principal habitat Dry tundra Preliminary community name Outwash terraces and till Plots Arctous alpina - Hierochloe alpina Other plots with same description SWT-5*, 46^,71 * Plots with soil descriptions and soil analysis for most horizons. ^Plots with soil analysis for most horizons. All other plots have soil analysis for horizon at 10-cm depth (rooting zone). List of vegetation communities and microsites sampled in 1989. Plant community Dry Arctous alpina, Hierochloe alpina dwarf-shrub, fruticose-lichen tundra Microsite High centered polygons on top of glacial outwash terrace Veg Type GIS code 1:500 105 Veg Type GIS code 1:5000 14 Environmental Variables Date Sampled 8/2/89 Landform 1 Height of Microrelief (cm) 5 Dwarf shrub Cover (%) 70 Surficial Geology 2 Thaw Depth (cm) R Shrub height (cm) 2 Glacial Geology 4 Water Cover (%) 0 Graminoid Cover (%) 1 Surficial Geomorphology 6 Bare soil Cover (%) 0 Forb Cover (%) r Micro-site 5 Rock Cover (%) 5 Lichen Cover (%) 10 Topographic Position 4 Soil Units 10 Bryophyte Cover (%) 30 Slope(°) 2 Site Moisture 3 Horsetail Cover (%) 0 Aspect(°) 0 Tall shrub Cover (%) 0 Cryoturbation (%) 0 Low shrub Cover (%) 0 Soils data for Toolik Lake permanent plots Sample No. T-008 Horizon Oa Texture **** NH4HCO3-DTPA
Extract (ppm)NO3-N <4 NH4Oac
Extract
(meq/100g)Ca 6.8 Depth (cm) 0-8 % H20 Field - P 42.8 Mg 2.22 Wet color 7.5YR 2/2 % H2O
(1/3)
BAR## K 440 Na 0.3 Bulk density
(g/cc)
(1/240)- % H2O
(15)
BAR## Zn 27.6 K 0.16 % >2mm % OM 46.3 Fe 584 CaCO3 <0.1 % Sand **** Paste pH 4 Mn 432 meq/100g
(CEC)16.5 % Silt **** Paste E.C. (mmhos/cm) 0.5 Cu 2.6 % Clay **** Bray# (P) ppm 70 Sample No. T-009 Horizon Bw Texture SL NH4HCO3-DTPA
Extract (ppm)NO3-N <1 NH4Oac
Extract
(meq/100g)Ca 1.66 Depth (cm) 8-12 % H20 Field - P 1.4 Mg 0.55 Wet color 7.5YR 4.5/4 % H2O
(1/3)
BAR## K 73.7 Na 0.06 Bulk density
(g/cc)
(1/240)- % H2O
(15)
BAR## Zn 3.9 K 0.23 % >2mm 22 % OM 6 Fe 222 CaCO3 <0.1 % Sand 54 Paste pH 4.1 Mn 18.7 meq/100g
(CEC)6.9 % Silt 35 Paste E.C. (mmhos/cm) 0.4 Cu 0.6 % Clay 11 Bray# (P) ppm 9.4 Sample No. T-010 Horizon Bw2 Texture SL NH4HCO3-DTPA
Extract (ppm)NO3-N <1 NH4Oac
Extract
(meq/100g)Ca 0.33 Depth (cm) 12-39 % H20 Field - P 1.1 Mg 0.15 Wet color 7.5YR 4.5/6 % H2O
(1/3)
BAR## K 19.3 Na 0.03 Bulk density
(g/cc)
(1/240)- % H2O
(15)
BAR## Zn 1.5 K 0.08 % >2mm 67 % OM 3.8 Fe 572 CaCO3 <0.1 % Sand 70 Paste pH 4.6 Mn 8.8 meq/100g
(CEC)7.8 % Silt 14 Paste E.C. (mmhos/cm) 1.2 Cu 1.2 % Clay 1 6 Bray# (P) ppm 3 Sample No. T-011 Horizon C Texture LS NH4HCO3-DTPA
Extract (ppm)NO3-N 2 NH4Oac
Extract
(meq/100g)Ca 0.24 Depth (cm) 39-45+ % H20 Field - P 2 Mg 0.08 Wet color 10YR 3/4 % H2O
(1/3)
BAR## K 24.5 Na 0.02 Bulk density
(g/cc)
(1/240)- % H2O
(15)
BAR## Zn 1.3 K 0.07 % >2mm 54 % OM 2.6 Fe 410 CaCO3 <0.1 % Sand 84 Paste pH 4.9 Mn 7.9 meq/100g
(CEC)4.4 % Silt 8 Paste E.C. (mmhos/cm) 0.2 Cu 1 % Clay 8 Bray# (P) ppm 15.2 *1= routine analysis + hydromete particle size + gravel (1 fraction) + CaCO3 equiv. + Ca, Mg, Na, K + CEC *1a = same as (1) but with water: field capacity, available, hygroscopic **2 = same as (1) but without gravel fraction **2a = same as (2) with water; field capacity, available, hygroscopic ***3 = routine analysis + CEC **** = Insufficient sample # = Bray P on samples with pH<6.0 ## = Not analyzed Toolik Lake permanent plot species data Bryophytes Dicranum elongatum 2, Polytrichum juniperinum 1, Polytrichum piliferum + Forbs Artemisia arctica s.l. r, Pedicularis kanei kanei r Graminoids Hierochloe alpina + Lichens Alectoria ochroleuca +, Asahinea chrysantha +, Cetraria cucullata 1, Cetraria kamczatica +, Cetraria nivalis 1, Cetraria nlgricans +, Cladonia arbuscula +, Cladonia coccifera +, Cladonia ecmocyma +, Cladonia gracilis +, Cladonia macrophylla +, Cladonia pleurota +, Cladonia pocillum +, Cladonia pyxidata +, Cladonia uncialis +, Cornicularia divergens 1, Dactylina arctica +, Hypogymnia physodes 1, Masonhalea richardsonii +, Parmelia septentrionalis +, Pertusaria dactylina +, Sphaerophorus globosus 1, Stereocaulon alpinum +, Thamnolia subuliformis + Shrubs Arctous alpina 4, Betula nana s.l. r, Diapensia lapponica ssp. obovata +, Ledum decumbens +, Loiseleuria procumbens +, Salix phlebophylla +, Vaccinium uliginosum +, Vaccinium vitis-idaea minus 3
SWT-6
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Soil closeup
Vegetation closeup
General site image
Preliminary vegetation classification based on habitat and dominant species and sample numbers for each type. Principal habitat Dry tundra Preliminary community name Outwash terraces and till Plots Betula nana - Cladina arbuscula Other plots with same description SWT-3, 6, 66, 70* * Plots with soil descriptions and soil analysis for most horizons. ^Plots with soil analysis for most horizons. All other plots have soil analysis for horizon at 10-cm depth (rooting zone). List of vegetation communities and microsites sampled in 1989. Plant community Dry Betula nana, Hierochloe alpina, Cetraria cucullata low-shrub, fruticose-lichen tundra Microsite High centered polygons on glacial outwash terrace Veg Type GIS code 1:500 301 Veg Type GIS code 1:5000 31 Environmental Variables Date Sampled 8/2/89 Landform 1 Height of Microrelief (cm) 10 Dwarf shrub Cover (%) 50 Surficial Geology 2 Thaw Depth (cm) R Shrub height (cm) 25 Glacial Geology 4 Water Cover (%) 0 Graminoid Cover (%) 7 Surficial Geomorphology 6 Bare soil Cover (%) 0 Forb Cover (%) + Micro-site 5 Rock Cover (%) 0 Lichen Cover (%) 30 Topographic Position 4 Soil Units 8 Bryophyte Cover (%) 40 Slope(°) 1 Site Moisture 3 Horsetail Cover (%) 0 Aspect(°) 0 Tall shrub Cover (%) 0 Cryoturbation (%) 20 Low shrub Cover (%) 15 Soils data for Toolik Lake permanent plots Sample No. T-012 Horizon Bg Texture ## NH4HCO3-DTPA
Extract (ppm)NO3-N 20 NH4Oac
Extract
(meq/100g)Ca ## Depth (cm) 3 - 30+ % H20 Field 91.5 P 41 Mg ## Wet color 7.5YR 2/3 % H2O
(1/3)
BAR## K 17.6 Na ## Bulk density
(g/cc)
(1/240)0.6 % H2O
(15)
BAR## Zn 2.5 K ## % >2mm % OM 51.7 Fe 4000 CaCO3 ## % Sand ## Paste pH 3.5 Mn 5.2 meq/100g
(CEC)15.1 % Silt ## Paste E.C. (mmhos/cm) 0.9 Cu 3.2 % Clay ## Bray# (P) ppm 25.6 *1= routine analysis + hydromete particle size + gravel (1 fraction) + CaCO3 equiv. + Ca, Mg, Na, K + CEC *1a = same as (1) but with water: field capacity, available, hygroscopic **2 = same as (1) but without gravel fraction **2a = same as (2) with water; field capacity, available, hygroscopic ***3 = routine analysis + CEC **** = Insufficient sample # = Bray P on samples with pH<6.0 ## = Not analyzed Toolik Lake permanent plot species data Bryophytes Aulacomnium turgidum 2, Bryum sp. r, Dicranum acutifolium +, Dicranum scoparium 4, Dicranum spadium 2, Polytrichum strictum 2 Forbs Polygonum bistorta plumosum + Graminoids Calamagrostis canadensis s.l. +, Carex bigelowii 1, Hierochloe alpina + Lichens Asahinea chrysantha +, Cetraria cucullata 1, Cetraria islandica +, Cetraria nivalis +, Cladonia amaurocraea +, Cladonia arbuscula 2, Cladonia ecmocyma 1, Cladonia pleurota +, Cladonia rangiferina 2, Dactylina arctica 1, Masonhalea richardsonii 1, Stereocaulon alpinum +, Thamnolia subuliformis + Shrubs Betula nana s.l. 4, Empetrum nigrum hermaphroditum +, Ledum decumbens +, Vaccinium uliginosum 1, Vaccinium vitis-idaea minus 4
SWT-7
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Soil closeup
Preliminary vegetation classification based on habitat and dominant species and sample numbers for each type. Principal habitat Dry tundra Preliminary community name South-facing slopes Plots Dryas octopetala - Selaginella sibirica Other plots with same description SWT-7, 18, 47*, 60 * Plots with soil descriptions and soil analysis for most horizons. ^Plots with soil analysis for most horizons. All other plots have soil analysis for horizon at 10-cm depth (rooting zone). List of vegetation communities and microsites sampled in 1989. Plant community Dry Dryas octopetala, Selaginella sibirica, Thamnolia subuliformis dwarf-shrub, fruticose-lichen tundra Microsite Featureless hill crest of outwash terrace Veg Type GIS code 1:500 101 Veg Type GIS code 1:5000 12 Environmental Variables Date Sampled 8/3/89 Landform 1 Height of Microrelief (cm) 5 Dwarf shrub Cover (%) 40 Surficial Geology 2 Thaw Depth (cm) >100 Shrub height (cm) 2 Glacial Geology 4 Water Cover (%) 0 Graminoid Cover (%) + Surficial Geomorphology 10 Bare soil Cover (%) 0 Forb Cover (%) 1 Micro-site Rock Cover (%) 0 Lichen Cover (%) 30 Topographic Position 1 Soil Units 10 Bryophyte Cover (%) 1 Slope(°) 2 Site Moisture 3 Horsetail Cover (%) 0 Aspect(°) 0 Tall shrub Cover (%) 0 Cryoturbation (%) 0 Low shrub Cover (%) 0 Soils data for Toolik Lake permanent plots Sample No. T-013 Horizon Oa Texture ## NH4HCO3-DTPA
Extract (ppm)NO3-N 20 NH4Oac
Extract
(meq/100g)Ca ## Depth (cm) 0-5 % H20 Field 43.1 P 25 Mg ## Wet color 7.5YR 2/1.5 % H2O
(1/3)
BAR## K 212 Na ## Bulk density
(g/cc)
(1/240)0.62 % H2O
(15)
BAR## Zn 8.9 K ## % >2mm % OM 23.9 Fe 307 CaCO3 ## % Sand ## Paste pH 5.1 Mn 125 meq/100g
(CEC)15.7 % Silt ## Paste E.C. (mmhos/cm) 1 Cu 1.3 % Clay ## Bray# (P) ppm 51.4 Sample No. T-014 Horizon Bkj Depth (cm) 5-25 Wet color 10YR 3/3.5 Bulk density
(g/cc)
(1/240)1.22 % H20 Field 8.1 Sample No. T-015 Horizon Ck1 Depth (cm) 25 - 56 Wet color 10YR 3.5/2 Bulk density
(g/cc)
(1/240)1.38 % H20 Field 4.6 *1= routine analysis + hydromete particle size + gravel (1 fraction) + CaCO3 equiv. + Ca, Mg, Na, K + CEC *1a = same as (1) but with water: field capacity, available, hygroscopic **2 = same as (1) but without gravel fraction **2a = same as (2) with water; field capacity, available, hygroscopic ***3 = routine analysis + CEC **** = Insufficient sample # = Bray P on samples with pH<6.0 ## = Not analyzed Toolik Lake permanent plot species data Bryophytes Encalypta rhaptocarpa +, Gymnomitrion corallioides +, Pohlia nutans +, Polytrichum juniperinum +, Polytrichum piliferum 1 Forbs Androsace chamaejasme lehmanniana +, Anemone drummondii +, Antennaria friesiana s.l. +, Arnica lessingii +, Artemisia arctica s.l. r, Bupleurum triradiatum r, Minuartia obtusiloba +, Potentilla nivea +, Saxifraga hieracifolia r, Unknown dicot + Graminoids Carex capillaris r, Carex microchaeta r, Carex rupestris +, Festuca baffinensis +, Hierochloe alpina +, Luzula confusa r, Luzula multiflora r Lichens Alectoria ochroleuca +, Asahinea chrysantha 1, Caloplaca sp. +, Cetraria cucullata +, Cetraria islandica +, Cetraria nigricans +, Cetraria nivalis 1, Cladonia arbuscula +, Cladonia coccifera +, Cladonia phyllophora +, Cladonia uncialis +, Cornicularia aculeata r, Cornicularia divergens 1, Hypogymnia subobscura +, Lecanora epibryon +, Masonhalea richardsonii r, Ochrolechia frigida +, Ochrolechia upsaliensis +, Parmelia septentrionalis +, Peltigera aphthosa r, Peltigera canina r, Psoroma hypnorum +, Sphaerophorus globosus +, Stereocaulon alpinum +, Thamnolia subuliformis 1, Unknown crustose lichen r Pteridophytes Selaginella sibirica 1 Shrubs Dryas integrifolia integrifolia +, Dryas octopetala octopetala 3, Salix phlebophylla r, Vaccinium uliginosum r, Vaccinium vitis-idaea minus r
SWT-8
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Soil closeup
General site image
Preliminary vegetation classification based on habitat and dominant species and sample numbers for each type. Principal habitat Snowbeds Preliminary community name Upper snowbeds Plots Empetrum nigrum - Ledum decumbens Other plots with same description SWT-8^, 19 * Plots with soil descriptions and soil analysis for most horizons. ^Plots with soil analysis for most horizons. All other plots have soil analysis for horizon at 10-cm depth (rooting zone). List of vegetation communities and microsites sampled in 1989. Plant community Dry Empetrum nigrum, Betula nana, Vaccinium uliginosum, Loiseleuria procumbens, Cladonia arbuscula, Stereocaulon alpinum dwarf-shrub, fruticose-lichen tundra Microsite Small hummocks and solifluction features on mid slope Veg Type GIS code 1:500 201 Veg Type GIS code 1:5000 20 Environmental Variables Date Sampled 8/3/89 Landform 1 Height of Microrelief (cm) 20 Dwarf shrub Cover (%) 60 Surficial Geology 2 Thaw Depth (cm) - Shrub height (cm) 3 Glacial Geology 4 Water Cover (%) 0 Graminoid Cover (%) + Surficial Geomorphology 3 Bare soil Cover (%) 0 Forb Cover (%) + Micro-site Rock Cover (%) 0 Lichen Cover (%) 50 Topographic Position 2 Soil Units 10 Bryophyte Cover (%) 2 Slope(°) 30 Site Moisture 3 Horsetail Cover (%) 0 Aspect(°) 270 Tall shrub Cover (%) 0 Cryoturbation (%) 10 Low shrub Cover (%) + Soils data for Toolik Lake permanent plots Sample No. T-016 Horizon Oa Texture SL NH4HCO3-DTPA
Extract (ppm)NO3-N 2 NH4Oac
Extract
(meq/100g)Ca 3.63 Depth (cm) 0-8 % H20 Field 99.2 P 4.4 Mg 1.16 Wet color 7.5YR 2/2 % H2O
(1/3)
BAR## K 97.3 Na 0.08 Bulk density
(g/cc)
(1/240)0.63 % H2O
(15)
BAR## Zn 13.8 K 0.24 % >2mm 4 % OM 27.3 Fe 1730 CaCO3 <0.1 % Sand 62 Paste pH 3.9 Mn 22.7 meq/100g
(CEC)14.2 % Silt 27 Paste E.C. (mmhos/cm) 0.8 Cu 1.8 % Clay 1 1 Bray# (P) ppm 35.6 Sample No. T-017 Horizon Bw Texture CL NH4HCO3-DTPA
Extract (ppm)NO3-N 1 NH4Oac
Extract
(meq/100g)Ca 2.59 Depth (cm) 8-20 % H20 Field 21 P 0.8 Mg 0.81 Wet color 10YR 4.5/6 % H2O
(1/3)
BAR## K 61.3 Na 0.05 Bulk density
(g/cc)
(1/240)1.51 % H2O
(15)
BAR## Zn 1.9 K 0.11 % >2mm 63 % OM 10.5 Fe 499 CaCO3 <0.1 % Sand 35 Paste pH 4.5 Mn 34.5 meq/100g
(CEC)9.2 % Silt 33 Paste E.C. (mmhos/cm) 0.4 Cu 1.7 % Clay 32 Bray# (P) ppm 4.2 Sample No. T-018 Horizon IIC Texture LS NH4HCO3-DTPA
Extract (ppm)NO3-N 1 NH4Oac
Extract
(meq/100g)Ca 4.36 Depth (cm) 20 - 45+ % H20 Field 3.8 P 1.1 Mg 0.23 Wet color 10YR 4/2 % H2O
(1/3)
BAR## K 38.3 Na 0.04 Bulk density
(g/cc)
(1/240)1.74 % H2O
(15)
BAR## Zn 0.8 K 0.08 % >2mm 77 % OM 0.9 Fe 45.4 CaCO3 <0.1 % Sand 88 Paste pH 6.8 Mn 21.1 meq/100g
(CEC)4.9 % Silt 4 Paste E.C. (mmhos/cm) 0.4 Cu 3.6 % Clay 8 Bray# (P) ppm *1= routine analysis + hydromete particle size + gravel (1 fraction) + CaCO3 equiv. + Ca, Mg, Na, K + CEC *1a = same as (1) but with water: field capacity, available, hygroscopic **2 = same as (1) but without gravel fraction **2a = same as (2) with water; field capacity, available, hygroscopic ***3 = routine analysis + CEC **** = Insufficient sample # = Bray P on samples with pH<6.0 ## = Not analyzed
SWT-9
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Vegetation closeup
Preliminary vegetation classification based on habitat and dominant species and sample numbers for each type. Principal habitat Snowbeds Preliminary community name Middle snowbeds Plots Cassiope tetragona - Geum glaciale Other plots with same description SWT-9, 20, 50* * Plots with soil descriptions and soil analysis for most horizons. ^Plots with soil analysis for most horizons. All other plots have soil analysis for horizon at 10-cm depth (rooting zone). List of vegetation communities and microsites sampled in 1989. Plant community Dry Cassiope tetragona, Dryas integrifolia, Hylocomium splendens, Carex microchaeta, Salix glauca, Cetraria cucullata dwarf-shrub, fruticose-lichen tundra Microsite Snowbed, hummocky terrain, including turf hummocks and some solifluction features on footslope Veg Type GIS code 1:500 205 Veg Type GIS code 1:5000 20 Environmental Variables Date Sampled 8/3/89 Landform 1 Height of Microrelief (cm) 50 Dwarf shrub Cover (%) 60 Surficial Geology 6 Thaw Depth (cm) >100 Shrub height (cm) 10 Glacial Geology 4 Water Cover (%) 0 Graminoid Cover (%) + Surficial Geomorphology 3 Bare soil Cover (%) 0 Forb Cover (%) 5 Micro-site Rock Cover (%) 0 Lichen Cover (%) 40 Topographic Position 3 Soil Units 13 Bryophyte Cover (%) 75 Slope(°) 10 Site Moisture 3 Horsetail Cover (%) 0 Aspect(°) 290 Tall shrub Cover (%) 0 Cryoturbation (%) 0 Low shrub Cover (%) 10 Soils data for Toolik Lake permanent plots Sample No. T-019 Horizon Oa Texture ## NH4HCO3-DTPA
Extract (ppm)NO3-N <10 NH4Oac
Extract
(meq/100g)Ca ## Depth (cm) 4-17 % H20 Field 208.3 P 17 Mg ## Wet color 7.5YR 2/2 % H2O
(1/3)
BAR## K 19.2 Na ## Bulk density
(g/cc)
(1/240)0.35 % H2O
(15)
BAR## Zn 11.1 K ## % >2mm % OM 50.3 Fe 807 CaCO3 ## % Sand ## Paste pH 5.7 Mn 581 meq/100g
(CEC)67.7 % Silt ## Paste E.C. (mmhos/cm) 1 Cu 7.2 % Clay ## Bray# (P) ppm 24 Sample No. T-020 Horizon A/B Depth (cm) 17 - 52 Wet color 10YR 3/3 Bulk density
(g/cc)
(1/240)1.02 % H20 Field 15.1 Sample No. T-021 Horizon C Depth (cm) 52 - 67+ Wet color 10YR 4/3 Bulk density
(g/cc)
(1/240)0.79 % H20 Field 14.9 *1= routine analysis + hydromete particle size + gravel (1 fraction) + CaCO3 equiv. + Ca, Mg, Na, K + CEC *1a = same as (1) but with water: field capacity, available, hygroscopic **2 = same as (1) but without gravel fraction **2a = same as (2) with water; field capacity, available, hygroscopic ***3 = routine analysis + CEC **** = Insufficient sample # = Bray P on samples with pH<6.0 ## = Not analyzed
SWT-10
Preliminary vegetation classification based on habitat and dominant species and sample numbers for each type. Principal habitat Moist tundra Preliminary community name Lower minerotrophic slopes Plots Equisetum arvense - Carex bigelowii Other plots with same description SWT-10, 21, 24, 41*, 45*, 52^ * Plots with soil descriptions and soil analysis for most horizons. ^Plots with soil analysis for most horizons. All other plots have soil analysis for horizon at 10-cm depth (rooting zone). List of vegetation communities and microsites sampled in 1989. Plant community Moist Carex bigelowii, Cassiope tetragona, Equisetum arvense, Dryas integrifolia, Hylocomium splendens, Tomenthypnum nitens sedge, horse-tail, dwarf-shrub tundra Microsite Stone stripes on footslope Veg Type GIS code 1:500 208 Veg Type GIS code 1:5000 20 Environmental Variables Date Sampled 8/3/89 Landform 1 Height of Microrelief (cm) 15 Dwarf shrub Cover (%) 30 Surficial Geology 6 Thaw Depth (cm) >80 Shrub height (cm) 10 Glacial Geology 4 Water Cover (%) 0 Graminoid Cover (%) 25 Surficial Geomorphology 7 Bare soil Cover (%) 0 Forb Cover (%) + Micro-site Rock Cover (%) 0 Lichen Cover (%) 5 Topographic Position 3 Soil Units 9 Bryophyte Cover (%) 85 Slope(°) 3 Site Moisture 7 Horsetail Cover (%) 20 Aspect(°) 270 Tall shrub Cover (%) 0 Cryoturbation (%) 0 Low shrub Cover (%) 0 Soils data for Toolik Lake permanent plots Sample No. T-022 Horizon Oa Texture ## NH4HCO3-DTPA
Extract (ppm)NO3-N <10 NH4Oac
Extract
(meq/100g)Ca ## Depth (cm) 7-16 % H20 Field 347.1 P 28 Mg ## Wet color 7.5YR 2/1 % H2O
(1/3)
BAR## K 54.7 Na ## Bulk density
(g/cc)
(1/240)0.22 % H2O
(15)
BAR## Zn 15.8 K ## % >2mm % OM 64.2 Fe 640 CaCO3 ## % Sand ## Paste pH 5.9 Mn 222 meq/100g
(CEC)81.8 % Silt ## Paste E.C. (mmhos/cm) 1 Cu 10.1 % Clay ## Bray# (P) ppm 36.6 Sample No. T-023 Horizon Bw Depth (cm) 16 - 33 Wet color 10YR 3/2.5 Bulk density
(g/cc)
(1/240)1.38 % H20 Field 25.7 *1= routine analysis + hydromete particle size + gravel (1 fraction) + CaCO3 equiv. + Ca, Mg, Na, K + CEC *1a = same as (1) but with water: field capacity, available, hygroscopic **2 = same as (1) but without gravel fraction **2a = same as (2) with water; field capacity, available, hygroscopic ***3 = routine analysis + CEC **** = Insufficient sample # = Bray P on samples with pH<6.0 ## = Not analyzed
SWT-11
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Soil closeup
General site image
Preliminary vegetation classification based on habitat and dominant species and sample numbers for each type. Principal habitat Wet tundra Preliminary community name Fens, shallow water Plots Carex chordorrhiza - Carex rariflora Other plots with same description SWT-ll*, 15, 37*, 55, 57* * Plots with soil descriptions and soil analysis for most horizons. ^Plots with soil analysis for most horizons. All other plots have soil analysis for horizon at 10-cm depth (rooting zone). List of vegetation communities and microsites sampled in 1989. Plant community Wet Carex chordorrhiza, Carex rotundata, Scorpidium scorpioides sedge tundra Microsite Wet element of strangmoor in fen of colluvial basin Veg Type GIS code 1:500 502 Veg Type GIS code 1:5000 74 Environmental Variables Date Sampled 8/3/89 Landform 4 Height of Microrelief (cm) 5 Dwarf shrub Cover (%) 0 Surficial Geology 7 Thaw Depth (cm) 43 Shrub height (cm) 0 Glacial Geology 4 Water Cover (%) 0 Graminoid Cover (%) 35 Surficial Geomorphology 5 Bare soil Cover (%) 0 Forb Cover (%) + Micro-site 4 Rock Cover (%) 0 Lichen Cover (%) 0 Topographic Position 4 Soil Units 2 Bryophyte Cover (%) + Slope(°) 0 Site Moisture 9 Horsetail Cover (%) 0 Aspect(°) - Tall shrub Cover (%) 0 Cryoturbation (%) 0 Low shrub Cover (%) 0 Soils data for Toolik Lake permanent plots Sample No. T-024 Horizon Oe Texture **** NH4HCO3-DTPA
Extract (ppm)NO3-N <10 NH4Oac
Extract
(meq/100g)Ca 8.71 Depth (cm) 5-25 % H20 Field 576.8 P 11 Mg 1.72 Wet color 7.5YR 3.5/3 % H2O
(1/3)
BAR## K 184 Na 0.6 Bulk density
(g/cc)
(1/240)0.15 % H2O
(15)
BAR## Zn 14.9 K 0.38 % >2mm % OM 70.7 Fe 3640 CaCO3 <0.1 % Sand **** Paste pH 4.6 Mn 261 meq/100g
(CEC)19.1 % Silt **** Paste E.C. (mmhos/cm) 0.6 Cu 34.6 % Clay **** Bray# (P) ppm 12.4 Soils data for Toolik Lake permanent plots Sample No. T-025 Horizon Oa Texture SL NH4HCO3-DTPA
Extract (ppm)NO3-N <4 NH4Oac
Extract
(meq/100g)Ca