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| About WeedMapper |
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WeedMapper is a collection of spatial information on the distribution of noxious weeds listed by the Oregon Department of Agriculture (ODA). The WeedMapper website provides data maps that are viewable at the state or county levels.
WeedMapper is a web-based tool to assist weed management professionals, land managers, as well as the general public to make informed noxious weed management decisions. It is designed to help facilitate weed identification, reporting, and verification. Weed information and an online report form are provided to assist users. Links to the ODA webpage for additional information including noxious weed profiles are also provided.
Depending on the types of information desired, WeedMapper users can follow these links:
General information about noxious (A,B,T listed) weed species
Find the geographic distribution of a weed species
Report weed locations to ODA
Links to other websites of interest
Please note, in some cases spatial data is unavailable or limited and data gaps can misrepresent the actual on the ground distribution. General county maps, found on the weed information pages, show known county-by-county infestation levels. The general county maps are updated annually to help provide accurate up-to-date information.
County level data maps represent the data that has been submitted by cooperators representing the reported locations of a specific weed for each County. Again, please note in some cases data has not been submitted into the system therefore data gaps can misrepresent the actual distribution of a noxious weed on the data maps.
It is our hope that WeedMapper will foster greater cooperation between landowners, state and federal agencies, county weed programs, CWMA's, and non-profit organizations and improve the effectiveness of weed control programs.
We want to thank the major organizations that provided data and support for the WeedMapper Project: BLM, USFS, County weed programs, CWMA's and TNC.
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| Request for data |
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WeedMapper Request for Data
The WeedMapper project accepts noxious weed distribution data from cooperators on a yearly basis to update maps. This usually occurs through the late fall and winter seasons and notification is posted on web sites and through list serves.
What type of data are we looking for?
Any location information that has been collected for Oregon state-listed noxious weeds. This includes updates from the field season for those who have already contributed data, and all past and current data from new contributors.
The following information is required:
* Exact weed location (lat/long or UTM coordinate) or GIS shapefile
* Type of datum used to collect location (there is a setting on GPS units)
* Weed species name (common and scientific)
* Contact person name, organization, address, phone and email address.
* If providing an update, please indicate if the data replaces earlier information supplied or if it is in addition to it.
The following information is also requested:
* Number of plants (in quantity or net and gross acres)
* Type of location (roadside, pasture, rangeland, forest, field, urban or riparian)
* Frequency (spot, patch or solid stand)
* Treatment (manual, mechanical, chemical or none)
* Land ownership type (USFS, BLM, state, county, city, private, unknown, other)
* Date of find
What format do we want the data in?
Data needs to be in some type of electronic format. Small sets of data can be entered directly into the weed sighting report form at www.weedmapper.org. For larger data sets the following format is preferred:
GIS Shapefile – one per weed species. These can be point, line or area files, but point files are preferred. Please include a note about what datum was used to collect the data (e.g. WGS 84, NAD 27, etc.) and what projection the shapefile is (e.g. Oregon Lambert, state/plane, etc.) if a projection file is not part of the shapefile.
Other electronic formats are also acceptable:
* Shapefiles with more than one weed species
* Arc coverages
* Spreadsheets
* Any other format that has the data stored electronically in table form.
When do we need the data?
A dead line date to send in your information will be announced yearly and must be met by cooperators to have data included in the current year’s update. Information in the preferred format will be given priority.
Who should you contact?
Alex Park, Noxious Weed Technicin, Geographic Information Systems(GIS) support and data map development
Please contact Alex if you have data to share and he can arrange the best way to receive it from you.
Thank-you for your support of WeedMapper.
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| The Weedmapper Team |
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Oregon Department of Agriculture
Web Team
| Alex Park, Noxious Weed Technician, Geographic Information Systems (GIS) support and data map development.
Bonnie Rasmussen, Integrated Weed Management Specialist, webpage development.
Shannon Brubaker, Grant Program & Special Projects Coordinator, webpage support and cooperator education/outreach.
Tim Butler, Project Advisor, Noxious Weed Control Program Manager.
Tom Forney, Project Advisor, Noxious Weed Control Program Projects Coordinator.
| Oregon State University
Project Advisors | Dr. Douglas E. Johnson, Ph.D., Range Ecology. Professor, Oregon State University. Application of Geographic Information Systems (GIS) and remote sensing to animal and plant distribution on rangelands.
Stephen Koghan, Doctoral Student, Rangeland Ecology and Management, Oregon State University. WeedMapper Support and Weed Model Development.
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A special thanks to the following for past development and contribution: Beth Myers-Shenai, Former Oregon Department of Agriculture, Noxious Weed Management Technician, ODA WeedMapper coordinator. Dr. Mack R. Barrington, Range and Riparian Specialist, Ph.D., Range/Landscape Ecology. Riparian and Rangeland Specialist, Oregon Department of Agriculture, Application of Geographic Information Systems (GIS) and remote sensing to resolve riparian and rangeland issues. Dr. Ofer Heyman, GIS Specialist, Ph.D., Department of Geosciences, Oregon State University. Geographic Information Systems Specialist. Dr. Mounir Louhaichi, Landscape Ecologist, Ph.D., Range Ecology. Research Associate, Oregon State University. Spatial analysis and landscape ecology of rangelands. Application of Geographic Information Systems (GIS) and remote sensing to animal and plant distribution on rangelands. Stephen Pagenstecher Web Design/Programming, Web Design and Media Communication Specialist, Portland, Oregon.
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