Tag: "mussel" at biology news
A fishy change in diet
...ad, affecting other freshwater systems. "We found mussel
shells and whole mussels in the stomachs of nearly 60 percent of the examined fish," says McGill University biologist and lead author Anthony Ricciardi. "This is a concern because mussels are not an adequate nutrition source for the fish. Furthermore...
Muscling their way into the food chain: Zebra mussels alter fish populations in the Hudson River
In 1991, an exotic bivalve called the zebra mussel
moved into the Hudson River. Over the past two dec... the river. These surveys began prior to the zebra mussel
introduction, allowing for pre and post invasion assessment. Hudson River food web data has been col...
Alternative states in the ocean
...nt of the original algal dominated assemblage by a mussel
bed. Starfish are capable of controlling the distribution and abundance of these mussels. The authors argue for two possible outcomes: gradual recovery of the algal assemblage as the mussels are consumed, or formation of a persistent alternative sta...
Pearly mussels: One of North America's natural jewels is disappearing
...ng from the landscape. Written by a team of seven mussel
experts, the paper concludes that, "Many pearly mussel
populations have a negative growth rate and are likely to disappear unless environmental conditions ...
Using science to restore habitat for declining species
...es similar to the prey of the host fish, releasing mussel
young in small packets that resemble food, or entangling fish briefly in mucuslike threads. Recent article on host fish and infection strategies: http://www.srs.fs.usda.gov/pubs/viewpub.jsp?index=5337 CONTACT: Mel Warren, Team Leader. (662-234-274...
For a male sand goby, playing 'Mr. Mom' is key to female's heart
...reproduce," Balshine said. Sand gobies nest under mussel
and other shells, and the males not only find and defend these shells, they also hollow out a space under them and pile sand on top to disguise them from predators, St. Mary said. The fish also use their pectoral fins to fan water over the eggs, crea...
Pollution history documented through shell remains provides tool to study ecosystem change
... Brown measured the mercury content in freshwater mussel
shells in the river near Saltville, Va., where ind...evels of the upstream sites," Brown says Dead mussel
shells reflected the levels of mercury, with high levels directly below Saltville and decreasing lev...
Lakes with zebra mussels have higher levels of toxins, MSU research finds
...blue-green algae are a common side effect of zebra mussel
invasion, then hard-fought gains in the restoratio...ounty in the southeast, that had established zebra mussel
populations. Follow-up experiments by Sarnelle and colleagues in west Michigan's Gull Lake showed th...
Purdue chemist 'mussels' in on secrets of natural adhesives
...search group have discovered that the formation of mussel
adhesive requires iron, a metal that has never bef...ch from a mussel, attaching it to its home turf. A mussel
has an organ called a "foot" that it extends, attaching each filament to a stationary object with a ...
Exxon Valdez oil spill impacts lasting far longer than expected, scientists say
...ler whales suffered large, long-term losses. Oiled mussel
beds and other tidal shoreline habitats will take an estimated 30 years to recover. "Long-term declines also were observed in pink salmon as sublethal effects of oil exposure early in their life history led to stunted growth and indirect increases in...
Mussel researcher awarded Meritorious Service Award by the U.S. Department of the Interior
...ntial research and training programs on freshwater mussel
biology and conservation. His work, which has docu...pecies for the intermediate life stages of several mussel
species, Neves developed laboratory culture techniques, and hatchery techniques for propagating 11 s...
Diversity hot spots at cold seeps?
...ry report that diversity is indeed greater in seep mussel
beds compared to vent mussel
beds. Lower diversity at vents may be a consequence of a challenging physiological barrier to invas...
Summit generates possible solutions to exchange of invasive species in Midwest waterways
...native fish species. There are nearly 40 native mussel
species in the Mississippi River from the headwate...dling in numbers due to habitat decline. The zebra mussel
threatens these species with extinction. And the quagga mussel, introduced into the Great Lakes in 1...
Finicky snails provide new clues to the evolution of coastal ecosystems
...te of seafood lovers. For most people, the type of mussel
served isn't important - as long as there are plen... from Stanford University, focused on a species of mussel
that California snails love to eat but Oregon snails won't come near. The scientists discovered that...
Invasive species summit aims to halt Great Lakes-Mississippi River species exchange
...e a revolving door for invasive species. The zebra mussel
and round goby are among species that already have...l fishery industries in the Great Lakes. The zebra mussel
alone now impacts 28 states and costs over $100 million annually in cleanup and maintenance. An expe...
Researchers find invasive species are healthy species They leave their parasites behind
...shell clam fishery. On the West Coast, the oyster, mussel
and clam mariculture industries are threatened, as are Dungeness and rock crab fisheries, and bait fisheries. The green crab has also invaded Australia, Japan, Tasmania and South Africa. Torchin, Lafferty and Kuris found that in Europe, the green cra...
Global warming has uneven effect on coastal animals
...rs, modified to thermally match living mussels, in mussel
beds at eight sites spanning 14 degrees of latitud...Washington sites will occur in 2003. Indeed, large mussel
mortality events occurred in the summer of 2002 in both Washington and Oregon. These results suggest...
Bloodworm's way with copper likely provides paradigm for new materials
...h themselves to stones in inter-tidal basins. The mussel
fibers consist largely of proteins, but one percen...use of Waite's long-standing interest in metals in mussel
fibers, he had earmarked the 1980 report on the copper and zinc in blood- and clamworms as intriguin...
Scientists invade Chicago
...les that eat invasive plants; find where the zebra mussel
hides; check out The Field Museum's Soil Adventure Mobile; watch nature artist paint; make crafts/toys using plants; learn about wetlands; take a tree walk; learn to identify cool science in your backyard with Urban Watch; and join biodiversity trea...
Bacterial control of zebra mussels, low power radio
...innovative, ecologically-safe, and effective zebra mussel
control agent." CONTACTS: Daniel P. Molloy, New Yo...llow the tips listed on Michigan Sea Grant's zebra mussel
avoidance sticker: Remove any visible mud, plants, fish or animals before transporting equipment. Dr...