Tag: "pike" at biology news
New angle needed to get pike out of Lake Davis
Hoping to keep non-native northern pike
in Lake Davis from invadingthe Sacramento-San Joaq...h.Nonetheless, concludes a new UC Davis study, the pike
are thriving. Professor Ted Foin constructed a mathematical model that consideredLake Davis' fish ha...
Food chain length depends on size of pond
...e in large fish like walleye, lake trout, northern pike
and largemouth bass. Between the bottom and the top are dozens and perhaps hundreds -- depending on the size of the ecosystem -- of intermediary organisms, such as tiny invertebrates, little fish and medium-sized fish. A chart of the characteristic...
Bottom-up Ecological Processes Better For Clear Waters, Study Finds
... inturn are often devoured by bigger fish, such as pike
or bass. In the mid-1980s, ecologists had gathered enough evidence to suggest thatthe clarity of a lake could be regulated by manipulating this structureof the food web. For example, putting more large fish in the lake wouldmean more smaller fish wo...