Keystone species mussel population explodes uncontrollably, driving out most other species. These creatures need not be apex predators. Sea stars are prey for sharks, rays, and sea anemones. Sea otters are prey for orca. The jaguar, whose numbers in Central and South America have been classified as near threatened, acts as a keystone predator by its widely varied diet, helping to balance the mammalian jungle ecosystem with its consumption of 87 different species of prey. The lion is another keystone species. Keystone mutualists are organisms that participate in mutually beneficial interaction and the loss of which would have a profound impact upon
State of Katanga advisers and some diplomatic ministers. Upon the arrival of United Nations forces in the Congo, they were opposed to allowing ONUC freedom of movement in Katanga and insisted upon obstructing the peacekeeping effort. This view was generally strengthened with President Tshombe himself as time advanced, especially with increasingly vocal demands from Léopoldville that the UN use their military advantage to forcibly remove his regime from power. The Security Council, however, only reaffirmed that the ONUC would not be party to any internal disputes but would enter Katanga to assist with keeping the peace. The first such personnel, largely Swedish forces,