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Fire frequency - this refers to the number of times fire occurs in a given area under a defined geologic time. The concept of fire frequency is often applied to local fire events. [25] Fire intensity - also known as fire severity or magnitude is the degree of fire or the magnitude of fire event. Fire intensity is categorized into low fire ...
The fossil record of fire first appears with the establishment of a land-based flora in the Middle Ordovician period, 9] permitting the accumulation of oxygen in the atmosphere as never before, as the new hordes of land plants pumped it out as a waste product.
Tree core sample collected with an increment boarer A cat-face fire scar on a ponderosa pine A cross section of a ponderosa pine fire scar showing several dated fire events The growth record of a tree in seasonal climates is preserved in the growth rings in the stem wood; the field of dendrochronology is the study of the record of climate and ...
The control of fire by early humans was a critical technology enabling the evolution of humans. Fire provided a source of warmth and lighting , protection from predators (especially at night), a way to create more advanced hunting tools, and a method for cooking food.
Mariani et al. (2024) study changes of shrub cover in southeastern Australia since the Last Interglacial, and report evidence of reduction in shrub cover during the Holocene, related to Indigenous Australian population expansion and cultural fire use. [264] Review of the fossil record of photosynthetic microbes and plants from Ukraine, and of ...
The explosive discovery of a tiny, enigmatic hominin in an Indonesian cave in 2003 captivated the world. Now, 20 years later, scientists are still struggling to understand the hobbit’s place in ...
The Cambrian explosion (also known as Cambrian radiation [1] or Cambrian diversification) is an interval of time beginning approximately in the Cambrian period of the early Paleozoic, when a sudden radiation of complex life occurred and practically all major animal phyla started appearing in the fossil record.
For the record: 7:04 a.m. Oct. 28, 2024: An earlier version of this article said a lithium-ion battery fire occurred on Interstate 15 near Bakersfield.It was near Baker. For more than two days, a ...