Recreation

Many studies show that bighead and silver carp substantially change ecosystems where they have been introduced. Studies around the world, including a USGS study in the Missouri River, found that zooplankton populations are dramatically reduced when Asian...
An exponential increase in the population numbers of bighead and silver carp began in the mid-90s and continued through the mid-2000s in parts of the Mississippi and Illinois rivers. The Illinois Natural History Survey has estimated that a population of...
Both bighead and silver carp become fairly large; records of both species approach 100 pounds, but silver carp over 20 pounds and bighead carp over 30 pounds are uncommon. The North American record for bighead carp is a 106-pound fish from Missouri. Both...
The capture and movement of wild-caught baitfish is of special concern for spreading Asian carp. Young Asian carp could easily be transferred, as baitfish, from one body of water to another. In particular, juvenile silver carp sometimes school with...
Eradication of any established population of Asian carp would be extremely difficult and expensive, if possible at all. Effective management of established invasive species that cannot be eradicated usually employs integrated pest management. This...
Silver carp have been observed to leap into the air simultaneously as an apparent fright reaction to rocks thrown in the water, passing trains, geese taking off from the water, or when they unexpectedly find themselves in a tight place. Speeding boats...
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Bighead and silver carp were imported to the United States in the early 1970s as a method of biological control of nuisance algal blooms in wastewater treatment plants and aquaculture ponds as well as for human food.
Asian carp of all types have white, firm, mild flesh, which is excellent table fare, but all Asian carp also have intramuscular bones in the filets that many people find undesirable. Asian carp feed low on the food web, are fast growing, are low in fat...
At the head of the valley in Yosemite National Park, as if on a pedestal, stands Half Dome, the most colossal and recognizable rock monument in the Sierra Nevada, smoothly rounded on three sides and a sheer vertical face on the fourth. From its summit,...