• National Ag Stats Service
• Montana Agricultural Stats

Climate Data links 

• Montana: Climate info by station
• Montana: Current Weather Conditions
• Bozeman Historical Climate Record
• MTCLIM a Montana Climate Model
• Montana -- State Information
• NRIS
• Montana Water Information
• Western Regional Climate Center WWW Server
• NCDC: Locate Weather Station-Select Station
• AgriBiz Weather Bureau - Historical Databases:
• National Ag statistics
• Global Climate Change
• Global Climate and Economic Models
• Numerical Terradynamics Simulation Group, UofM

• http://www.wrcc.dri.edu/

• http://www.ncdc.noaa.gov/ol/climate/climatedata.html

• http://www.ncdc.noaa.gov/ol/climate/online/coop-precip.html

• http://nris.state.mt.us/wis/frame.html

• http://www.agribiz.com/weather/agweathist.html

• http://globe.fsl.noaa.gov/

Ecology

• USDA-NRCS PLANT Database
• Ecological Society of America Homepage
• USGS Water Resources Applications Software
• ESA Links
• The Ecology WWW Page
• Plant Population Biology
• Graphics and analysis software
• ESA Theoretical Ecology Section Home Page
• CSIRO journals online
• Plant information
• Internet directory for botany
• Cornell knowledge-base
• Botanical glossaries
• Another botanical links page
• Environmental search engine/web directory
• EPA Databases & Models
• Montana Volunteer Water Monitoring Project

• NSF-Directorate for Biological Science
• NSF-Population Biology and Ecology Programs
• USDA-NRI
• USDA-IFAFS
• USDA-Integrated Pest Management
• USDA-IPM, Western Region
• USDA-SARE, Western Region
• EPA-STAR
• EPA-Wildlife
• EPA-Future Environmental Issues
• NASA Grant Opportunities

• Montana Noxious Weed Grant Program

• Turner Foundation
• Murdock Charitable Trust: Partners In Science Program. For high school teachers to get involved with science
• Hewlett Foundation

• ScienceWise Alert
• Community of Science

• Gempler's IPM Almanac 

• Alien plants ranking system
• Ecological Monitoring and Assessment Program - Canada
• Invasive Species Monitoring - The Nature Conservancy

• National  Atalas
• Montana noxious Weed Survey & Mapping Systems (WMS)
• NRIS
• Maps and Aerial Photos
• Idaho, Interactive Numeric & Spatial Information Data Engine

MSU site  links

• MSU extension
• Precision Land And Climate Evaluation System (PLACES)
• Cooperative Agricultural Pest Survey (CAPS)
• Montana Crop Profiles
• Spatial Links
• Statistical resources links

• Federal Interagency Committee for the Management of Noxious and Exotic Weeds: Links to Other Resources
• Weeds, Invasive Plants
• Introduction - Noxious Weeds
• INVADERS Database System (UM)

• Thomas J. Elpel's Wildflowers & Weeds Home Page

• Flowers and Weeds Links

• Invasive plant impacts (natureServe)

• SciCentral -  gateway to online science resources         
• U.S Government Science Organizations                                 

• Weed Science Society of America (WSSA)
• North Central Weed Science Society (NCWSS)
• Western Society of Weed Science (WSWS)
• Expert Committee on Weeds (CAN)
• European weed research society links

Weed Science Programs & General Information

• ISU weeds page
• Sandy’s Weed Links Page (AU)
• 1997 Weed Science Links
• MSU Weed Science Group Home Page
• Plant Pathology Internet Guide Book (PPIGB)
• Virginia Tech Weed ID
• DIR: Internet Resources on Weeds
• Alberta Agriculture
• The Biology of Weeds (Canadian J Plant Sci)
• Weed Emergence Model (Weed Cast, Forcella)

Yields

• Mapping Crop Yields
• Management zones, precision Ag -- Sydney
• Yield Monitoring (U.Kentucky)
• Precision farming primer: interpolation
• Pioneer Hi-Bred: Finding and Fixing Errors in Yield Map Data
• Spatial information technologies to manage uncertainty in agriculture
• Potential for Integrated GIS-Agriculture Models for Precision Farming Systems.
• Ag Navigator