Tag: "cod" at biology news
Environmental jigsaw pieces fall into place
...an be measured in terms of the number of catchesof cod
andherring, oil discharges etc. The state of the environment is shown in terms ofnitrogen, phosphorusand toxin levels. The consequences for biological diversity are for example thenumber of wildsalmon compared to farmed salmon. A relevant measure to ...
Salmon Syndrome M74: Cause Still A Mystery
...lso affected by M74.Reproductiveproblems in Baltic cod
can, however, be explained by poor oxygen conditions initsfeeding grounds and heavy fishing pressure....
Alaska Sea Grant To Convene Ecosystem Considerations In Fisheries Management Conference
... dominated bycommercially valuable species such as cod
and haddock, shifted to lower-valued species such as skatesand dogfish; and (2) Gulf of Alaska and Bering Sea, where declines of crabs and shrimps have givenrise to increasing pollock and flatfish. Severe economic hardships are associated with such d...
Scientists Trace Roots Of Protein That Keeps Antarctic Fish From Freezing
...le clearly shows thatthe antifreeze gene in Arctic cod
is not related in gene structure nor incoding sequences to the Antarctic fish. "We found tremendous differences,"he said. In an accompanying journal commentary, John M. Logsdon Jr. and W. FordDoolittle of the Program in Evolutionary Biology at Dalho...