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Fire and Flooding Interact to Affect Croton linearis Survival in Pine Rocklands of Everglades National Park, Florida
1University of Florida 2National Park Service, Everglades National Park
https://www.regionalconservation.org/beta/nfyn/plantdetail.asp?tx=Crotline
Fire and Water Interact
…Along an elevational gradient
High Low
Fire and Water Interact
Wet/ Inundated
Dry
Fire and Water Interact
Wet/ Inundated
Dry
Unburned
Burned
Fire and Water Interact
Pine Rocklands – Ecotones of Water and Fire
https://www.ecoinst.org/conservation-programs/past-projects/fire-effects-on-birds-in-pine-rocklands/
Hydrologic Modifications Prescribed Burns
Plant Diversity
Pine Rocklands – Ecotones of Water and Fire
https://www.ecoinst.org/conservation-programs/past-projects/fire-effects-on-birds-in-pine-rocklands/
Hydrologic Modifications Prescribed Burns
Plant Diversity
WATER FIRE
CROTON LINEARIS
Croton linearis is an essential host plant
FWC photo by Mary Truglio
Bartram’s Hairstreak, Strymon acisFederally endangered
2014 Listed
Florida Leafwing, Anaea troglodytaFederally endangered
2006 Candidate, 2014 ListedNOT SEEN OUTSIDE OF ENP SINCE 2007
Roger L. Hammer
How do fire and hydrology interact to affect survival of Croton linearis?
FWC photo by Mary TruglioRoger L. Hammer
Dry and Wet season burns
The dry season begins when precipitation declines
Fill, et al 2015
The dry season begins when precipitation declines
Dry Season Fire (AA)
Wet Season Fire (D)
Modified from Fill, et al 2015
Croton post-fire recovery linked to hydrology
More absences and deaths after wet-season fire
WET SEASON VS. DRY SEASON BURNING AFFECTSSURVIVAL
CROTON LINEARIS RESPROUTS IMMEDIATELY FOLLOWING FIRE, AND SURVIVAL DECLINES OVER TIME
HYDROLOGY CAN BE MANAGED
Preliminary conclusions: Inundation following fire reduces survival
• Jimi Sadle
• Dr. Ben Baiser
• Leonard Pearlstine
• Owen Schneider
• Stephanie Bohlman and
Crandall Fire Lab
Thank you
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