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A marsupial lion skeleton in the Naracoorte Caves, South Australia. The term Australian megafauna refers to the megafauna in Australia [1] during the Pleistocene Epoch.Most of these species became extinct during the latter half of the Pleistocene, and the roles of human and climatic factors in their extinction are contested.
Depletion of herbivorous megafauna results in increased growth of woody vegetation, [80] and a consequent increase in wildfire frequency. [81] Megafauna may help to suppress the growth of invasive plants. [82] Large herbivores and carnivores can suppress the abundance of smaller animals, resulting in their population increase when megafauna are ...
In zoology, megafauna (from Greek μέγας megas "large" and Neo-Latin fauna "animal life") are large animals. The most common thresholds to be a megafauna are weighing over 46 kilograms (100 lb) [ 2 ] [ 3 ] [ 4 ] (i.e., having a mass comparable to or larger than a human ) or weighing over a tonne , 1,000 kilograms (2,205 lb) [ 2 ] [ 5 ] [ 6 ...
Although visited earlier by Maldivians, Malays and Arabs, the first known settlement was a spice plantation established by the French, first on Ste. Anne Island, then moved to Mahé. It is the sovereign state with the shortest history of human settlement (followed by Mauritius). [122] East Pacific: Floreana Island: 1805: Black Beach
The History Channel's original logo used from January 1, 1995, to February 15, 2008, with the slogan "Where the past comes alive." In the station's early years, the red background was not there, and later it sometimes appeared blue (in documentaries), light green (in biographies), purple (in sitcoms), yellow (in reality shows), or orange (in short form content) instead of red.
The extermination of megafauna left many niches vacant, which has been cited as an explanation for the vulnerability and fragility of many ecosystems to destruction in the later Holocene extinction. The comparative lack of megafauna in modern ecosystems has reduced high-order interactions among surviving species, reducing ecological complexity ...
This has variously been explained as: retention of a hypothetically tall ancestral condition; higher-quality diet and nutrition due to the hunting of megafauna which later became uncommon or extinct; functional adaptation to increase stride length and movement efficiency while running during a hunt; increasing territorialism among later Cro ...