gis at the oahu invasive species committee
TRANSCRIPT
GIS at the
O‘ahu Invasive Species
Committee
Jean FujikawaOperations Planner / Analyst
15 October 2015 Island Futures
● Target high threat invasive species that aren’t
widespread and are feasible to control
● Support the efforts of mandated agencies
Island-based Invasive Species
Committees● Voluntary partnerships of private, government and
non-profit organizations, and individuals united to meet
Hawai‘i’s invasive species challenges
● Target high threat invasive species that are not
widespread and are feasible to control
● Support the efforts of mandated agencies
Image from http://www.soest.hawaii.edu
prevent
What we do
control
eradicate
fly
OISC in action
hike
climb
Protect our island home
What makes a species invasive?
• Thrives in a variety of
habitats
• Grows quickly
• Reproduces quickly
• Lacks predators or
competitors
• Outcompetes native
species for resources
The worst invasive species change their environment,
typically to the exclusion of all other species.
Invaded forestO‘ahu’s native forest
GIS in the field
GIS in the office
200m
600m
Scour
Survey
good
habitat
General survey process
Miconia Miconia calvescens
Little Fire AntWasmannia auropunctata
A few of OISC’s target species
More info: http://oahuisc.org
Cane tiTibouchina herbacea
OISC’s Main Target: Miconia
Miconia “the green cancer” in Tahiti
Miconia controlled and survey areas
----800m----
Ground and Aerial 800m survey
area
----800m----
Miconia locations and survey
buffers
Survey area exceptions
Acres remaining: January
Acres remaining: October
Acres remaining: following January
Model of miconia spreading across the
watersheds of O‘ahu in the absence of
systematic control effortsPlants
controlled
Model
year 10
Affected
Miconia in Tahiti Miconia model output -Mānoa
Cane Ti(Tibouchina herbacea)
Cane Ti Infestation site:
Poamoho
Cane ti found in 2008 by
OANRP
Buffer in 2008
Survey progress through 2010
Survey progress through 2012
New plant locations in 2013
Survey progress 2013 - 2014
Survey progress 2013-2015
Little Fire Ant
Little Fire Ant Surveys
2011-2013
Little Fire Ant Infestation Area
May 2014
Little Fire Ant Infestation Area
Oct 2014
Little Fire Ant Infestation Area
February/March 2015
Little Fire Ant Infestation Area
April 2015
Little Fire Ant Infestation Area
August 2015
How you can help!
Wash your
hiking boots!
Report invasive
species!
Say YES when OISC
calls to request
permission to survey
your property
Check out our web
site
Test for little fire
ants
For more information
Little Fire Ant http://www.stoptheant.org/
OISC http://www.oahuisc.org/
Jean Fujikawa [email protected]
Mahalo!• OISC field and office staff
• Rachel Neville (OISC Manager)
• All our volunteers, committee members, partners and funders
for their continuing support
Mānoa
Mānoa with Miconia Model Output
Miconia in Tahiti
Miconia in Tahiti
Mānoa with Miconia Model Output