Research during this period showed improvements in water quality and changes in zooplankton community structures, which are vital for the river's food web. These findings suggest that reducing ...

Rainy River, Lake of the Woods, Big Fork River, Black River and Littlefork River have been designated as infested with the spiny water flea An invasive species, the spiny water flea, is likely a ...

(Juveniles have barbels, but these features shrink as they age.) As babies, they feed on zooplankton in the river and are known to be cannibalistic. After about a year, they become herbivores ...

Zooplankton are one of the most diverse and abundant groups of organisms on Earth and they play an essential role in the marine food chain. Unable to photosynthesise, as phytoplankton do ...