Search results
Results from the WOW.Com Content Network
However, because blue whales feed low on the food chain, there is a lesser chance for bioaccumulation of organic chemical contaminants. [154] Analysis of the earwax of a male blue whale killed by a collision with a ship off the coast of California showed contaminants like pesticides, flame retardants, and mercury.
A food web model is a network of food chains. Each food chain starts with a primary producer or autotroph, an organism, such as an alga or a plant, which is able to manufacture its own food. Next in the chain is an organism that feeds on the primary producer, and the chain continues in this way as a string of successive predators.
A freshwater aquatic food web. The blue arrows show a complete food chain (algae → daphnia → gizzard shad → largemouth bass → great blue heron). A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community.
“The blue whale is the largest and loudest animal on Earth.” The blue whale is the largest animal on Earth and likely the largest animal ever to have lived. While this ocean mammoth is dubbed ...
These citizen science researchers, all of them locals, have spotted nearly 3,000 pygmy blue whales over the past 10 years - Prof Edyvane considers that a “truly extraordinary” number.
Marine mammals are a food source in many countries around the world. Historically, they were hunted by coastal people, and in the case of aboriginal whaling , still are. This sort of subsistence hunting was on a small scale and produced only localised effects.
“Whales are at the top of the food chain. They compete with humans by eating marine creatures that should be feeding other fish,” Tokoro said on the tour. ... the second-largest species of ...
Additionally, the iron-rich feces of krill-eating whales encourage phytoplankton growth, benefiting the marine food chain and sequestering carbon dioxide for extended periods. The Southern Ocean , rich in nutrients but iron-deficient, experiences increased phytoplankton blooms due to whale feces, acting as a significant carbon sink .