does kosteletzkya pentacarpos facilitate upland transition to high salt marsh?
TRANSCRIPT
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Does Kosteletzkya pentacarpos
Facilitate Upland Transition to High Salt
Marsh?
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Victoria Long
KatieSpady
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Kosteletzkya pentacarpos
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“The pig of the plant world”…. but in the case of K. pentacarpos everything is useful*
• Seeds for oil for biodiesel fuel
• Seed pulp for animal feed• Stems for fiber and
animal bedding• Flowers for bees and
hummingbirds• Perennial plant with deep
roots that sequester large amounts of C and N
• Tolerates brackish soils• Cultivated with traditional
farm machinery• Facilitates conversion to
high marsh• Highly competitive with
Phragmites
* Jack Gallagher, Univ Deleware
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Long-term experiment in collaboration with TNC and University of Delaware to assess:• Soil properties particularly C and N content in
old field vs. K. pentacarpos planted plots• Track vegetation communities• Agricultural demonstration project
Summer 2014 QuestionsGermination efficiency?
GreenhouseField
Planting approach?TransplantDrilled Broadcast
Soil saturation?Wet Dry
Trans-planted
DrilledBroad-
cast
Very wet soil
1
Wet soil 1 1
Moderately wet soil
1
Moist soil 1 1 1
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Groundwater wells
Cork surface water pipes
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Variables• Germination efficiency
– Greenhouse– Field
• Survival• Plant height• Number of stems• Number and timing of flowering• Seed biomass
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Seed CollectionOctober 18, 20133 locationsSeeds combined
LegendBrownsvilleABCRC Lab
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Seeds planted March 14,
2014
81% germination
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Plot APlanted June
10, 2014
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Plot C
Plot D
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Broadcast PlotsPlanted July 2, 2014
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Plot TypeTotal
NumberCapsules
Drilled/very wet 0
Drilled/wet 4
Drilled/moderate 0
Drilled/moist 0
Broadcast/wet 9
Broadcast/moist 25
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acknowledgements
Virginia Coast Reserve LTER
The Nature ConservancyNational Science
Foundation