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
History of Katanga History of Katanga This is a history of Katanga Province and the former independent State of Katanga, as well as the history of the region prior to colonization. Prior to Bantu migration around 500 BCE, the area was probably the site of dwellings by much more widespread Khoisan and Pygmy hunter-gatherer peoples; the Katanga area is one of the few areas in the continent where concurrent settlements of both peoples have been identified. They were assimilated or driven out by the expansion of the Bantu peoples into the area. The earliest permanent settlements in the Katanga region are, supposedly, those