VOICED: A Great Threat in the Great Lakes

The video discusses the invasion of Asian carp in the Illinois River, posing a significant threat to the Great Lakes ecosystem and economy. These fish, introduced in the 1970s, have spread rapidly, threatening the fishing industry. Efforts to prevent their spread include a costly electric barrier. Despite these measures, the carp's presence and behavior give them an advantage in the ecosystem.

What impact could Asian carp have on the fishing industry in the Great Lakes?

In what decade were Asian carp introduced to the United States?