Native fish communities of large rivers are on declining due to increasing human interference and natural forces (eg. flood). The science of fish habitat restoration is began with a relatively limited cross section of...
Catherine Johnston’s interest in ecology and fisheries research inspired her to pursue a Master of Science degree at the University of Maine studying how the recent removal of two dams might open up critical...
Accurate knowledge of fish distribution and preferred habitat is crucial to managing fisheries using an ecosystem-based management approach. For many fisheries, however, it is difficult to obtain information regarding the spatial distribution of fish...
There has been growing attention recently about a possible new threat to the Laurentian Great Lakes ecosystem: the invasive Asian carp. You may have even seen footage of these large fish, as video of...
In the absence of fortune-telling, how can one predict the long-term consequences of habitat restoration efforts for fish? Fish habitat restoration is a major focus around the world, taking many different forms such as...
Oceans are experiencing both warming temperatures and increasing acidification. Rising oceanic carbon-dioxide levels lead to a decrease in pH, resulting in a phenomenon called ocean acidification. These physicochemical changes are expected to impact ocean...
You’re in a canoe floating down the river, and you hear a splash not far off. By the time you turn your head, the cause of this sound is now a mystery, gone back...
Lake Erie has a long history of cultural eutrophication (excessive nutrient inputs), algal blooms and low oxygen levels. A widespread campaign in the 1970s to eliminate phosphorus from household detergents, fertilizers and other products...
Many fish in the Amazon river floodplain, including several economically important species, exhibit some form of migration behavior. Some, such as the catfish Brachyplatystoma rousseauxii, migrate the entire length of the Amazon river. Other...
The year of 1894 marked the first time Rainbow Trout Oncorhynchus mykiss, a species sought out by anglers on all six continents except Antarctica, were introduced into the streams of Australia. Rainbow Trout are...
