plant collecting by canoe: botanical explorations of tuktut nogait national park and vicinity,...
DESCRIPTION
Presented at 2010 SPNHC-CBA Joint Conference, Ottawa, ON, 31 May - 5 June, 2010TRANSCRIPT
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Plant collecting by canoe:botanical explorations of
Tuktut Nogait National Parkand vicinity, Northwest Territories
Lynn J. Gillespie, Jeffery M. Saarela, Laurie L. Consaul, Roger D. Bull
Cr
Creative Commons: Attribution-NonCommercial-ShareAlike Licence
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Flora of the Canadian
Arctic• all vascular plants above treeline• Nunavut, NWT, Yukon Quebec, Labrador• book & web
interactiveidentification
guide
Aiken et al. 2007
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Tuktut NogaitNational Park
• park established in 1996• calving ground of Bluenose
caribou herd• one of the least accessible
parks, no services & few visitors
• backpacking and canoeing
NunavutNWT
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Tuktut Nogait National Park and vicinityMelville Hills Region
• area identified as under-explored botanically• plant collecting by Scotter & Zoltai as part of resource inventory 1990
Cody, W., G. Scotter, and S. Zoltai. 1992. Vascular plant flora of the Melville Hills Region, Northwest Territories. Canadian field-naturalist 106: 87-99.
• very few collections before, some by Park staff after, none at CAN
teamed up with Parks Canada plant inventory and vegetation plots for monitoring
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Fieldwork in Tuktut Nogait National Park
• how to travel?• community concern re flights
disturbing caribou• Parks suggested traveling by
canoe – joint Parks canoe patrol & botanical expedition
• a first for us! and a logistical challenge
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Botanical Explorations of Tuktut Nogait National Park and vicinity
Hornaday Rivercanoe trip
Lower Brock River
base camp helicopter
access
1. the trip
2. habitat and plant diversity
3. discoveries
4. species of conservation concern
5. research
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Paulatuk
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Paulatuk
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Paulatuk to upper Hornaday River
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Cache Lake
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900 collections
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mesic sedge-low shrub tundra
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upland dry tundra
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mesic dwarf birch-heath meadow
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esker
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Riparian willow thicket
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Sandy habitats
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a giant Arctic Oxytrope! Oxytropis arctica
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Lower Brock River camp
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Lower Brock River Valley
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Lower Brock Riversand cobble beach
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Brock River canyon
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coastal habitats
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DiscoveriesTuktut Nogait National Park and vicinity
stands of Populus balsamiferafar above the treeline
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Populusbalsamifera
Lower Brock River
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Populus balsamifera
upper Hornaday River
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Juniperus communis
sheltered valleys and
canyons
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Discoveries21 species newly recorded
for the Melville Hills -Tuktut Nogait region
Mertensia maritima
Dryopteris fragilis
Cerastium alpinum
Dryopterisfragilis
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KoenigiaKoenigia islandica
annual plant
first recordfor region
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range extensions north of treeline
Victoria I
Banks I
Great Bear L
Yellowknife
McKenzieDelta
Draba oligosperma
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North range extension
Victoria I
Banks I
Great Bear L
Yellowknife
Kugluktuk
Botrychium lunaria
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filling in gapin distribution
Victoria I
Banks I
Great Bear L
Yellowknife
McKenzieDelta
Plantago canescens
Kugluktuk
Bathurst Inlet
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Discoveries10 species newly recorded for Tuktut Nogait NP
Taraxacumholmenianum
Astragalusrichardsonii
Artemesiahyperborealis
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Species of conservation concernin Tuktut Nogait National Park and vicinity
• none assessed or listed at the federal level (COSEWIC, SARA)
• no plant species yet listed under the NWT Species at Risk Act
• general status rankings of NWT species (2006)
16 species considered of potential conservation concern in NWT4 species “May be at Risk”
1 globally rare species
Mertensia drummondii
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new localities for rare Pygmy AsterSymphiotrichon pygmaeum
*
NWT“May be at Risk”
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NWT status “Sensitive”
Draba oligosperma
11 “Sensitive” species6 spp in TNNP
Pedicularis flammea
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NWT status “Sensitive”
Carex glareosa
5 spp in coastal areas
Koenigia islandica
Puccinelliaandersonii
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Pedicularis arctoeuropaea
Puccinellia tenellasubsp. langeana
Artemisia hyperborea
Poa ammophila
• recommend an additional four species be considered for ranking as “Sensitive”
Species of conservation concernin Tuktut Nogait National Park and vicinity
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Arctic plant research at CMN
• Flora of the Canadian Arctic• DNA barcoding• systematics of arctic grasses and sedges• baseline floristic data for climate change
studies• data for assessing species of conservation
concern
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Universal DNA-based identification system
Arctic PlantDNA Barcoding
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cpDNA
6x
nrDNA
Short bluegrassPoa abbreviata
an intersectionalpolyploid hybrid
Bluegrasses Poa
Origin and Evolution of Arctic grasses
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• complete floristic inventories of multiple localities• accurate information on species distributions
Baseline data for climate change studies
migration of plant species northwards as global
temperatures increase
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Acknowledgements
Chris HunterLinh NguyenJanet Boxwell
Frances Ruben
Community of PaulatukPaulatuk Hunters and Trappers Committee
Aurora Research Institute Inuvialuit Land Administration
Roger Bull