Antarctica Food Web Fragile
Polar bears for example eat.
Antarctica food web fragile. Not only is the decline of sea ice impairing polar bear populations by reducing the extent of their primary habitat it is also negatively impacting them via food web effects. Whales are the largest animals ever to have lived larger even than the largest dinosaurs. Antarctica is fascinating from an ecological point of view. Although there are no trees in and around antarctica more than 100 million birds nest and breed there.
The arctic food web is complex. Norwegian for whale food krill aggregate in super swarms that can reach a density of 30 000 individuals per square meter attracting whales which can eat three tons of krill in a single feeding and fisheries which net on average 100 000 metric tons per year. The impact of climate change on a particular species can ripple through a food web and affect a wide range of other organisms. Discover who eats who is eating in the antarctic food web.
I believe that it s called fragile because of how the ice is melting. By signing up you ll get thousands of step by step solutions to your homework questions. Despite the harshest environmental conditions on the. Declines in the duration and extent of sea ice in.
Antarctica food chains and food webs a simple antarctic food chain is the secret to the success of the baleen whales keep the chain short and transfer as much energy as possible as efficiently as possible. For the first time scientists. Why is antarctica fragile. The loss of sea ice can ultimately affect the entire food web from algae and plankton to fish to mammals.
Scientists believe the most serious dangers to the fragile antarctic food web are far more insidious and long lasting. If the ice melts all animals that live on it or rely on it for survival will become extinct. Microplastics have reached one of the world s most remote food systems a new study has found. Whales seals penguins albatross petrels fish squid every animal species living in antarctica depends directly or indirectly on krill for survival.
The findings raise concerns over the future of antarctica s fragile ecosystem which is already threatened by climate change. From krill to killer whales penguins to phytoplankton this continents waters are teeming with life. There are two reasons that they have managed to attain such enormous size well over a hundred tonnes for the largest blue whales and nearing this amount for some other whale species. The findings raise concerns over the future of antarctica s fragile ecosystem which is already threatened by climate change.
You can also ask. They include the tons of garbage much of it nondegradable dumped overboard.