GIS at the Oahu invasive Species Committee
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Transcript of GIS at the Oahu invasive Species Committee
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GIS at the
O‘ahu Invasive Species
Committee
Jean FujikawaOperations Planner / Analyst
15 October 2015 Island Futures
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● 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
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prevent
What we do
control
eradicate
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fly
OISC in action
hike
climb
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Protect our island home
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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.
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Invaded forestO‘ahu’s native forest
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GIS in the field
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GIS in the office
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200m
600m
Scour
Survey
good
habitat
General survey process
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Miconia Miconia calvescens
Little Fire AntWasmannia auropunctata
A few of OISC’s target species
More info: http://oahuisc.org
Cane tiTibouchina herbacea
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OISC’s Main Target: Miconia
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Miconia “the green cancer” in Tahiti
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Miconia controlled and survey areas
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----800m----
Ground and Aerial 800m survey
area
----800m----
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Miconia locations and survey
buffers
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Survey area exceptions
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Acres remaining: January
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Acres remaining: October
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Acres remaining: following January
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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
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Cane Ti(Tibouchina herbacea)
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Cane Ti Infestation site:
Poamoho
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Cane ti found in 2008 by
OANRP
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Buffer in 2008
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Survey progress through 2010
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Survey progress through 2012
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New plant locations in 2013
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Survey progress 2013 - 2014
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Survey progress 2013-2015
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Little Fire Ant
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Little Fire Ant Surveys
2011-2013
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Little Fire Ant Infestation Area
May 2014
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Little Fire Ant Infestation Area
Oct 2014
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Little Fire Ant Infestation Area
February/March 2015
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Little Fire Ant Infestation Area
April 2015
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Little Fire Ant Infestation Area
August 2015
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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
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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
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Mānoa
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Mānoa with Miconia Model Output
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Miconia in Tahiti
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Miconia in Tahiti
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Mānoa with Miconia Model Output