Sentences with phrase «in quagga mussels»

Not exact matches

Meanwhile, quagga mussels have also been detected for the first time in the Rhine at Basel.

It was, they would learn two years later, the quagga mussel, named after a subspecies of actual zebras that went extinct in the 1800s.

The earliest possible detection of quagga and zebra mussels has long been a goal of biologists seeking to discover their presence in water bodies.

One possibility is that the spread of invasive quagga and zebra mussels in the lake has promoted the dominance of microcystin - producing cyanobacteria and has altered the lake's phosphorus cycle.

The study also found that lake trout and steelhead may fare better because these two species can switch from eating alewife, which are in decline, to bottom - dwelling round goby, another newly established invasive prey fish that feeds on quagga mussels.

In a research paper «Complex replacement of invasive congeners may relax impact on native species: interactions among zebra, quagga, and native unionid mussels,» lead author Lyubov E. Burlakova, research scientist with the Great Lakes Center discusses the importance of understanding those interactions.

One reason is that the nutrients and plankton in the waters of the Great Lakes are not merely limited, they are crashing, due to a different exotic species, the zebra mussel, and its cousin, the quagga mussel, two invaders that stowed on ships from Europe in the 1980s.

Infestation, or the number of dreissenids attached to native unionids, had declined by 2011 - 2012 in lakes dominated by quagga mussels to almost one - tenth of the numbers found in the 1990s.

Therefore ongoing replacement of zebra with quagga mussels in the Great Lakes Region relaxes Dreissena impact on native unionids.

The unwanted quagga mussel also is expected to proliferate in the Pacific Northwest, scientists say.

In California's Sacramento - San Joaquin Delta, higher water temperatures are expected to lead to more delta smelt dying, while invasive species such as the quagga mussel will become more plentiful.