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Toolik Lake Area Vegetation

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Toolik Lake Area Vegetation Area % of Area % of Explanation for the maps of the Toolik Lake Physiognomy Plant Communities (GIS codes) Typical Microsites Physiognomy Plant Communities (GIS codes) Typical Microsites F: Toolik Lake Area Vegetation (ha) Map (ha) Map Area and the Toolik Lake Grid Barren Prostrate-shrub tundra %DUUHQ 8QYHJHWDWHG 8QYHJHWDWHGQDWXUDODQGDQWKURSRJHQLFEDUUHQV 3URVWUDWHGZDUI 'U\DFLGLFWXQGUDFRPSOH[HV'RPLQDQWSODQWFRPPXQLWLHVLQFOXGH ;HULFWR[HURPHVLFDFLGLFVKDOORZVQRZ([SRVHG VKUXEIUXWLFRVH Dryas octopetala-Selaginella sibirica Arctous alpina-Hierochloë VLWHVRQJODFLDOWLOORXWZDVKULGJHWRSVH[SRVHG /LFKHQVRQURFNV /LFKHQFRPPXQLWLHVRQURFNVLQFOXGLQJCetraria nigricans- ;HULFEORFNILHOGVJODFLDOHUUDWLFV 392,000 393,000 394,000 395,000 Rhizocarpon geographicum OLFKHQWXQGUD alpinaW\SLFDOVXEW\SH Salix phlebophyllaVXEW\SH QRFRGH RU VORSHVGU\ULYHUWHUUDFHV 700 Vaccinium vitis-idaeaVXEW\SH 750 675 3DUWLDOO\YHJHWDWHG 5HYHJHWDWHGJUDYHOSDGV HJFestuca rubraRUSalix alaxensis 3DUWLDOO\YHJHWDWHGGLVWXUEHGEDUUHQVRQJUDYHOSDGV 725 3URVWUDWHGZDUI 'U\QRQDFLGLFWXQGUDFRPSOH[HV'RPLQDQWSODQWFRPPXQLWLHVLQFOXGH ;HURPHVLFWRPHVLFQRQDFLGLFZLWKVKDOORZVQRZ EDUUHQVDQG DEDQGRQHGURDGVEXOOGR]HGDUHDV UHYHJHWDWHG VKUXEVHGJHIRUE Dryas integrifolia-Oxytropis nigrescens Dryas integrifolia-O. FRYHU([SRVHGVLWHVRQGU\ULYHUWHUUDFHVUHFHQW 725 7,618,000 GLVWXUEHGDUHDV IUXWLFRVHOLFKHQ maydelliana QRFRGH Dryas integrifolia-Astragalus umbellatus DOOXYLXP GU\PLFURVLWHVLQQRQVRUWHGVWULSH 700 WXQGUD QRQDFLGLF Dryas integrifolia-Dicranum elongatum DQGXQGLIIHUHQWLDWHG FRPSOH[HV 'RPLQDWHGE\Dryas integrifolia Moist graminoid tundra DryasFRPPXQLWLHV 7XVVRFNVHGJH 0RLVWDFLGLFWXVVRFNWXQGUDFRPSOH[HVGRPLQDWHGE\JUDPLQRLGV 0HVLFWRVXEK\JULFDFLGLFVKDOORZWRPRGHUDWH +HPLSURVWUDWH 6QRZEHGFRPPXQLWLHVGRPLQDWHGE\HLWKHUCassiope tetragonaRU ,QFOXGHVDOOVQRZEHGW\SHV GZDUIVKUXEPRVV 'RPLQDQWSODQWFRPPXQLWLHVLQFOXGHEriophorum vaginatum- VQRZ6WDEOHVORSHV6RPHDUHDVRQVWHHSHUVORSHV DQGSURVWUDWH Salix rotundifolia 7KHVHFRPPXQLWLHVDUHQRWGLIIHUHQWLDWHGDW WXQGUD Sphagnum DQGCarex bigelowii-Sphagnum QRFRGH ZLWKVROLIOXFWLRQDUHGRPLQDWHGE\%LJHORZVHGJH GZDUIVKUXEIRUE WKLVVFDOHEXWLQFOXGHCassiope tetragona-Carex microchaeta DFLGLF Carex bigelowii QRFRGH 7,617,000 PRVVIUXWLFRVH VLWHV Cassiope tetragona-Dryas integrifolia QRQDFLGLFVLWHV Salix 750 1RQWXVVRFNVHGJH 0RLVWQRQDFLGLFWXQGUDFRPSOH[HV'RPLQDQWSODQWFRPPXQLWLHV 0HVLFWRVXEK\JULFFLUFXPQHXWUDOVKDOORZWR OLFKHQWXQGUD rotundifolia-Sanionia uncinata GHHSVQRZEHGV GZDUIVKUXEPRVV LQFOXGHCarex bigelowii-Dryas integrifolia DQGRWKHUVXEW\SHVRI PRGHUDWHVQRZ6ROLIOXFWLRQDUHDVDQGVRPHZKDW +HPLSURVWUDWH 'U\RUPRLVWVKUXEODQGVZLWKYHU\ORZJURZLQJRUFUHHSLQJGZDUI 6XE[HULFWRPHVLFDFLGLFZLWKVKDOORZVQRZ WXQGUD WKLVXQLW HJSalix glauca Equisetum arvenseDQGCassiope XQVWDEOHVORSHV PDLQO\RQ,WNLOOLN,,JODFLDO GZDUIVKUXE VKUXEV'RPLQDQWSODQWFRPPXQLWLHVLQFOXGHBetula nana-Hierochloë 6KDOORZGHSUHVVLRQVRQGU\JODFLDOWLOORURXWZDVK tetragona QRFRGHV ,QFOXGHVVRPHPLVFHOODQHRXVJUDPLQRLG VXUIDFHV6RPHVRXWKIDFLQJVORSHVKDYHVFDWWHUHG IUXWLFRVHOLFKHQ alpina Salix pulchra-Hierochloë alpina DQGWKRVH 725 FRPPXQLWLHVPRVWO\RQGLVWXUEHGDUHDVVXFKDVDeschampsia JODXFRXVZLOORZ Salix glauca $OVRLQFOXGHV 7,617,000 WXQGUD GRPLQDWHGE\Ledum palustreVVSdecumbensEmpetrum nigrumRU 725 caespitosa Rumex arcticus-Carex saxatilis Salix VRPHPLVFHOODQHRXVJUDPLQRLGGRPLQDWHGVLWHVGHHS Vaccinium uliginosum QRFRGHV chamissonis-Carex aquatilis Ranunculus pedatifidus-Poa VQRZVWUHDPPDUJLQV ODQGVOLGHVVRPHURFN\ Erect-shrub tundra 750 glauca GUDLQHGODNHEDVLQV DQGDQLPDOGHQV 'ZDUIVKUXERU 0RLVWDFLGLFWXQGUDFRPSOH[HVGRPLQDWHGE\VKUXEVLQFOXGLQJ 0HVLFWRVXEK\JULFPRGHUDWHVQRZ/RZHUVORSHV Wet graminoid tundra and water 725 ORZVKUXEVHGJH VKUXEE\WXVVRFNWXQGUD'RPLQDQWSODQWFRPPXQLWLHVLQFOXGHBetula DQGXSODQGZDWHUWUDFNPDUJLQV RIWHQZLWK 6HGJHPRVV 1XWULHQWSRRUIHQZHWODQGFRPSOH[HV'RPLQDQWSODQWFRPPXQLWLHV 6XEK\GULFWRK\GULFDFLGLF S+ :HW PRVVWXQGUD nana-Eriophorum vaginatum DQGSalix pulchra-Carex bigelowii VROLIOXFWLRQ 2USDOVDVDQGKLJKFHQWHUHG 7,616,000 WXQGUD SRRUIHQV LQFOXGH PHDGRZVSRRUIHQVLQFROOXYLDOEDVLQV±PDLQO\RQ Figure 1. Location of the Toolik Lake Area (large red $OVRGZDUIVKUXEWXQGUDGRPLQDWHGE\GZDUIELUFKRUZLOORZV SRO\JRQV rectangle) and Toolik Lake Grid (small red rectangle) within /RZHUPLFURVLWHVEriophorum scheuchzeri-Carex rotundata ROGHU 'RPLQDQWSODQWFRPPXQLWLHVLQFOXGHBetula nana-Rubus 5DLVHGPLFURVLWHVSphagnum lenense-Salix fuscescens ,WNLOOLN, JODFLDOVXUIDFHV chamaemorus DQGSalix pulchra-Sphagnum the upper Kuparuk River region. 750 6HGJHPRVV 1XWULHQWULFKIHQZHWODQGFRPSOH[HV'RPLQDQWSODQWFRPPXQLWLHV 6XEK\GULFWRK\GULFPLQHURWURSKLF S+! /RZDQGWDOO $ZLGHYDULHW\RIORZWRWDOOVKUXEODQGV'RPLQDQWSODQWFRPPXQLWLHV /RZVKUXEVLQXSODQGZDWHUWUDFNV Toolik Lake WXQGUD IHQV LQFOXGH :DWHUWUDFNVVWUHDPPDUJLQVIHQVIODUNVRQ VKUXEODQGV LQFOXGHWKRVHJURZLQJLQXSODQGZDWHUWUDFNVVXFKDVSalix pulchra- VWUHDPVLGHV DQGVRXWKIDFLQJVORSHV 7,616,000 /RZHUPLFURVLWHVCarex aquatilis-Carex chordorrhiza QRFRGH VROLIOXFWLRQVORSHV±PDLQO\RQ\RXQJHU ,WNLOOLN,, Eriophorum angustifolium DQGEriophorum angustifolium- PHVLFWRVXEK\GULFRIWHQZLWKGHHSVQRZ 729 Vegetation of the Toolik Lake Area 750 Eriophorum angustifolium-Carex aquatilis Carex JODFLDOVXUIDFHV Sphagnum squarrosum WKRVHJURZLQJDORQJVWUHDPVVXFKDV 0DS ) LV ORFDWHG QHDU WKH ZHVWHUQ ERXQGDU\ RI 0DS $ GLVSOD\HG RQ IURQW DQG HQFORVHV D NP 775 aquatilis-Scorpidium scorpioides Salix pulchra-Dasiphora fruticosa DQGRWKHUORZ DQGWDOO 5DLVHGPLFURVLWHVTrichophorum caespitosum-Tomentypnum nitens DUHD VXUURXQGLQJ 7RROLN /DNH WKDW VWUHWFKHV IURP WKH 'DOWRQ +LJKZD\ RQ WKH HDVW WR -DGH 0RXQWDLQ 725 VKUXEODQGV XSODQGVKUXEODQGVGRPLQDWHGE\Salix glauca RQ WKH ZHVW ODUJH UHG UHFWDQJOH LQ )LJ ,W LQFOXGHV WKH 7RROLN )LHOG 6WDWLRQ WKH ROG 7RROLN /DNH DQGCarex bigelowii-Dryas integrifolia ,QFOXGHVD DQGRUAlnus crispa RUPopulus balsamifera DQGVKUXEODQGV SLSHOLQH FRQVWUXFWLRQ FDPS JUDYHO SDG DQG DLUVWULS RQ WKH QRUWKHDVW VLGH RI WKH ODNH DQG WKH SULPDU\ IHZRWKHUPLVFHOODQHRXVZHWODQGW\SHV RQULYHUJUDYHOVGRPLQDWHGE\IHOWOHDIZLOORZ S. alaxensis RU WHUUHVWULDO UHVHDUFK DUHDV RQ WKH VRXWK ZHVW DQG HDVW VLGHV RI WKH ODNH DV ZHOO DV VHYHUDO VPDOOHU 7,615,000 :DWHUDQG 8QYHJHWDWHGZDWHU JUDPLQRLGPDUVKArctophila fulva DQG /DNHVSRQGVDQGVWUHDPVDTXDWLFYHJHWDWLRQLQVRPH ODQDWHZLOORZ S. richardsonii UHVHDUFK ODNHV LQ WKH LPPHGLDWH YLFLQLW\ RI 7RROLN /DNH 7KH DUHD FRQWDLQV VXUIDFHV ZLWK LUUHJXODU KHUEDFHRXVPDUVK Sparganium hyperboreus-Hippuris vulgaris SURWHFWHGVLWHV Total KD WRSRJUDSK\ WKDW ZHUH JODFLDWHG GXULQJ WKH /DWH 3OHLVWRFHQH )LJ DQG 775 0DS ) SRUWUD\V WKH SK\VLRJQRP\ RI WKH GRPLQDQW SODQW FRPPXQLWLHV LQ HDFK PDSSHG SRO\JRQ )LIW\ 800 Typical landscapes in the Upper Kuparuk River region: 725 825 750 RQH ODQGFRYHU W\SHV *,6 FRGHV DUH LQ SDUHQWKHVHV LQ WKH VHFRQG FROXPQ RI WKH OHJHQG ZHUH 775 UHFRJQL]HG LQ WKH ILHOG PLQLPXP PDSSLQJ XQLW DSSUR[LPDWHO\ P 7KHVH ZHUH ODWHU JURXSHG 7,615,000 LQWR WKH SK\VLRJQRPLF YHJHWDWLRQ XQLWV RQ WKH PDS ZKLFK FRUUHVSRQG WR WKH VDPH XQLWV RQ WKH VFDOH PDS RI WKH XSSHU .XSDUXN 5LYHU UHJLRQ 0DS $ 725 Vegetation of the Toolik Lake Grid 775 750 0DS * IRFXVHV RQ WKH NP UHVHDUFK JULG RQ WKH VRXWK VLGH RI 7RROLN /DNH UHG UHFWDQJOH RQ 0DS 775 Ì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Ì DSSHDULQJ RQ WKH PDS 7KH YHJHWDWLRQ XQLWV DUH SULPDULO\ DW WKH SODQWFRPPXQLW\ OHYHO FRPSDUHG WR 393,000 394,000 395,000 396,000 WKH SK\VLRJQRPLF OHYHO IRU WKH PDSV RI WKH 8SSHU .XSDUXN 5LYHU 5HJLRQ DQG WKH 7RROLN /DNH $UHD Figure 2. View looking northeast from Jade Mountain across an Figure 3. View looking southeast across the headwaters of Figure 4. Alpine area on limestone on Peak 1376 in the southeast Figure 5. Streamside vegetation along the inlet stream to Toolik 6HYHUDO RI WKH GRPLQDQW SODQW FRPPXQLWLHV LQ WKH 7RROLN /DNH DUHD DUH VKRZQ LQ WKH SKRWRV )LJ 0 500 1,000 1,500 Ì *UDYHO0LQHV Vegetation mapping was performed in 1991 Itkillik II glacial landscape with numerous glacial lakes, kames and Imnavait Creek into the Philip Smith Mountains of the Brooks corner of Map A, looking south into the valley of the Sagavanirktok Lake. The tallest shrubs are Salix alaxensis. Low shrubs along the 'HWDLOV RI WKH PHWKRGV IRU ERWK PDSV VRXUFHV IRU DHULDO SKRWRV RUWKRSKRWR WRSRJUDSKLF PDS at 1:5,000 scale from 1:5,000 scale base kettles.This landscape is much more vegetatively complex than the Range. Vegetation is typical of the Sagavanirktok-age glacial River. The dominant vegetation is Dryas integrifolia-Oxytropis far bank are a mix of Betula nana and Salix pulchra. The dominant FURVVUHIHUHQFH WR WKH %UDXQ%ODQTXHW V\QWD[RQRPLF SODQW FRPPXQLW\ QDPHV :DONHU HW DO P&RQWRXUV photography acquired in 1990. The map is Sagavanirktok-age glacial surfaces (Fig. 3). surfaces, which cover large portions of Map A but do not occur on nigrescens (unit 10 on Map A). vegetation unit along the stream is low to tall shrublands, unit 14 DQG RWKHU
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