This page features an article describing the invasion of the green crab into New England waters. Learn all about this scallop-eating invasive species that is now spreading to the west coast. An excellent lesson on...

This radio broadcast describes a technique called 'salinity shock' which is being used to kill plants and animals that ride in ballast water on ships. Oceangoing ships are now dumping their freshwater ballast at sea and...

Students will locate some weed and native species found in Oregon and will understand that while databases are beneficial in studying plant populations, local on-the-ground information is commonly more up-to-date and...

This case study is part of the Starting Point module. The activity requires students to author a presentation to the Grounds Management Committee of their school. Students must give their recommendation for the control...