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Project ID: 08-1-2-10

Year: 2008

Date Started: 10/01/2008

Date Completed: 09/30/2012

Title: To Burn Or Not To Burn Oriental Bittersweet: A Fire Manager’s Conundrum

Project Proposal Abstract: Oriental bittersweet (Celastrus orbiculatus) is an introduced liana that has invaded much of the Eastern US and is invading west into the Great Plains. In forests, it can girdle and damage canopy trees. At Indiana Dunes, we have discovered that it is invading non-forested habitats as well. Anecdotal evidence suggests that fire might facilitate its spread but the relationship between fire and this aggressive invader is poorly understood. We propose to investigate the effect of fire on the life history stages of Oriental bittersweet to address the following issues: 1) What fire temperatures cause seed mortality? 2) Does fire modify habitat susceptibility to invasion? 3) Both fire and cutting can cause Oriental bittersweet to resprout. Does the resprouting response differ between these two treatments and can a combination of cutting and pre- or post-fire treatment facilitate its removal? 4) How does Oriental bittersweet abundance vary with fire regime and can we predict the abundance of this species in a fire mosaic landscape based on fire return interval and time since last fire? From these studies managers will be better equipped to understand when and if burning should be conducted to reduce Oriental bittersweet invasion and to predict Oriental bittersweet presence and abundance in a pyric landscape.

Principal Investigator: Noel B. Pavlovic

Agency/Organization: USGS-Geological Survey

Branch or Dept: Lake Michigan Eco-Research Station

Other Project Collaborators

Type	Name	Agency/Organization	Branch or Dept
Co-Principal Investigator	Stacey Leicht-Young	USGS-Geological Survey	Lake Michigan Eco-Research Station
Co-Principal Investigator	Scott Weyenberg	NPS-National Park Service	Voyageurs National Park
Federal Cooperator	Noel B. Pavlovic	USGS-Geological Survey	Lake Michigan Eco-Research Station

Project Locations

Consortium

Lake States

Lake States

Level	State	Agency	Unit
STATE	IN	NPS	Indiana Dunes National Lakeshore

Project Deliverables

Final Report ("Results presented in JFSP Final Reports may not have been peer-reviewed and should be interpreted as tentative until published in a peer-reviewed source.")

	ID	Type	Title
	9130	NonRefereed Publication	MWR Fire Ecology--Playing With Fire in Missouri
	8931	NonRefereed Publication	To Burn or Not to Burn Oriental Bittersweet: A Fire Manager’s Conundrum
	9466	NonRefereed Publication	To Burn or Not to Burn Oriental Bittersweet: A Fire Manager’s Conundrum
	10144	Photo	Root suckers in fire damaged bittersweet root
	10143	Photo	Fire burning through oriental bittersweet patch
	10142	Photo	Oak savanna infested with oriental bittersweet
	10141	Photo	Herbicide treated oriental bittersweet stump
	10140	Photo	Oriental bittersweet in fruit
	10139	Photo	Oriental bittersweet twining towards the canopy
	8292	Progress Report

Supporting Documents

There are no supporting documents available for this project.

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