There are plenty of online resouces available. This is a brief list of local, regional, and national links.

Government Ministries and Conservation Authorities

Ontario Ministry of Natural Resources
Ontario Ministry of Agriculture, Food and Rural Affairs
Parks Canada
Mississippi Valley Conservation Authority
Rideau Valley Conservation Authority

Municipalities and Counties

County of Lanark
Township of Lanark Highlands
Tay Valley Township
Drummond -  North Elmsley Township
Mississippi Mills

Other Environmental Groups

Ontario Forestry Association
Ontario Woodlot Association
Eastern Ontario Model Forest
Canadian Biodiversity Institute
Canadian Forest Service
Mississippi Valley Field Naturalists
Wildlife Habitat Canada
Tree Canada
Landowner Resource Centre
Friends of the Tay Watershed
Centre for Sustainable Watersheds
Eastern Habitat Joint Venture
Forest Gene Conservation Association
Ontario Federation of Agriculture
Ontario Soil and Crop Improvement Association
Federation of Ontario Cottagers' Associations