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

OISC in action

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

Survey

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

----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

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

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

Oct 2014

February/March 2015

April 2015

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

Test for little fire

For more information

Little Fire Ant http://www.stoptheant.org/

OISC http://www.oahuisc.org/

Jean Fujikawa oiscgis@hawaii.edu

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

Mānoa with Miconia Model Output

GIS at the Oahu invasive Species Committee

Government & Nonprofit