Tag: "oysters" at biology news
Why do oysters choose to live where they could be eaten?
...ster larvae are willing to risk predation by adult oysters
to cash in on the benefits accrued by spending the...e potential benefits to group-living, (2) if adult oysters
will eat larvae of the same species, and (3) how risky is gregarious settlement among cannibals. ...
Overfishing large sharks impacts entire marine ecosystem, shrinks shellfish supply
...ation by cownose rays also may inhibit recovery of oysters
and clams from the effects of overexploitation, disease, habitat destruction, and pollution, which already have depressed these species," says Peterson, noting shellfish declines in areas occupied by cownose rays and examples of stable or growing she...
Rising ocean temperatures, pollution have oysters in hot water
...e summer when water temperatures rise. Half of the oysters
exposed to the pollutant in 28° C (82° F) water di...t it was 200 years ago, Sokolova said. The loss of oysters
has far-reaching environmental implications. "We can't even imagine the expanse of oyster reefs 1...
What animals can tell us about hemorrhage, organ transplants and aging
...animals -- bears, frogs, snakes, squirrels, seals, oysters
and a host of other animals to answer the question "How do they do that?" They uncover general physiological principles that may apply to humans, and may spur future medical advances to benefit people. These scientists exude an enthusiasm for their w...
UNH researcher restoring oyster reefs to Great Bay
...ury saw a slower but equally devastating demise of oysters
from exuberant overharvesting. "We have seen local...rine Laboratory. Now Grizzle is working to bring oysters
back to Great Bay ?lots of them. He's helping the state of New Hampshire meet its established goal o...
Secrets of the sea yield stronger artificial bone
...ed substance found in some mollusk shells, such as oysters
and abalone. Scientists have long sought to duplicate nacre's strength and lightness in ceramic materials, but nacre's architecture varies at several length scales, from micrometers to nanometers. Replicating all of these scales -- each of which cont...
'Dead zone' summer killed billions of ocean state mussels
...er coastal estuaries, where loss of filter-feeding oysters
has led to runaway effects of pollution and hypoxia and prevented restoration of these shellfish." ...
New peptide antibiotic isolated from American oyster
...tide may be helpful in selecting disease-resistant oysters
for aquaculture and fisheries and may also allow f...er understand the innate immune system of American oysters
and to enhance research to protect it from important microbial infections," according to Noga. "Furt...
Restaurant seafood prices since 1850s help plot marine harvests through history
... 5) Inflation-adjusted prices of raw oysters. Raw oysters
have been popular on restaurant menus for over 150 years. The inflation adjusted prices from New York and Massachusetts restaurant menus very closely track the inflation rate from the 1850's to the 1950's, after which they doubled in less than 10 yea...
Global warming increases oyster sensitivity to pollution
Do you enjoy eating oysters
on a hot sunny afternoon? Make the most of it ?it ...n that global warming increases the sensitivity of oysters
to metal pollution, causing a deadly threat to populations in polluted areas. Dr. Gisela Lannig from...
Use of high hydrostatic pressure to inactivate Hepatitis A virus in oysters studied
...seawater. Even with depuration, HAV may persist in oysters
for several weeks after exposure. The virus also i...easons, high hydrostatic pressure treatment of raw oysters
is especially appealing to oyster processors and distributors, as well as public health officials. H...
Research Reveals Functions Of Harmful Shellfish Pathogens
... vulnificus in humans. A study of V. vulnificus in oysters
suggests that strains virulent to humans may be more invasive to--and persistent in--oysters. The Dover center, a field location of the ARS Eastern Regional Research Center in Wyndmoor, Pa., also studies methods to detect norovirus and the hepatitis...
Edible bivalves as a source of human pathogens: signals between vibrios and the bivalve host.
Clams, mussels and oysters
are important vehicles for the transmission of enteric diseases when consumed raw or undercooked. Vibrio species, including human pathogens, are particularly abundant in bivalve tissues, where they can persist even after cleaning procedures, thus rep...