Leafy spurge (Euforbia eusala). Photo: Normal E. Rees, USDA |
Invasive terrestrial plants are often major drivers in ecosystem change. Once established in an area they can completely change habitat and, with it, other associated species.
> What are the worst weeds? It depends on where you live. If you live in one of the 48 contiguous states of the USA, indicate your location by clicking on The Nature Conservancy's map to view a nefarious weed that lives near you!
> Weed Information Management System (WIMS) (TNC). A Microsoft Access-based relational database application that is designed to assist natural resource managers in managing their weed data. WIMS keeps track of three types of data records: weed occurrences (GPS point locations), assessments (size and status of the weed infestation to facilitate monitoring over time), and management treatments applied to those weed infestations.
> Weed Invasion Susceptibility Prediction Modeler. The Weed Invasion Susceptibility Prediction Modeler (WISP) Modeler was initially developed to assist the USDI Bureau of Land Management (BLM) in managing weed infestations in the Jack Morrow Hills Wilderness study area near Rock Springs, Wyoming. The primary result was an ArcView application that will help predict the occurrence and spread of five weed species within semiarid rangelands: black henbane ( Hyoscyamus niger ), hoary cress ( Cardaria draba ), leafy spurge ( Euphorbia esula ), perennial pepperweed ( Lepidium latifolium ), and spotted knapweed ( Centaurea maculosa ).
The following Tools for Weed Mapping and Inventory are also Listed at www.Weedcenter.org:
> NAWM Mapping Standards from NAWMA (the North American Weed Management Association)
See Mapping Standards and Remote Sensing sections of this website
See the following pages for additional information:
CONTROL Invasive Species
