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You are here >1Up Info > Wildlife, Animals, and Plants > Plant Species > Shrub > Species: Quercus wislizenii | Interior Live Oak
 

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FIRE ECOLOGY

SPECIES: Quercus wislizenii | Interior Live Oak
FIRE ECOLOGY OR ADAPTATIONS : Interior live oak appears to be well-adapted to persist with or without fire. It occupies fire-prone chaparral but also grows in relatively mesic areas which burn at infrequent intervals. Large, single-stemmed trees are generally only found in areas which have not burned in 50 to 100 years. Shrubby interior live oak is common in chaparral, where fairly frequent fires produce dense thickets of multi-stemmed individuals [44]. The shrubby growth form may represent an adaption to fire. These shrubby plants tend to reach sexual maturity at an earlier age than treelike growth forms [13]. The trait of "evergreeness" allows species such as interior live oak to allocate greater amounts of energy to regeneration than to vegetative growth. Evergreens are often better able to conserve available nutrients than deciduous species, and may be favored in these fire-prone settings [36]. Interior live oak often grows as a dominant on relatively mesic northern exposures in oak (Quercus spp.) chaparral. Here it grows fairly rapidly and soon reaches sufficient height to shade out most postfire seeding species [38]. The prominence of sprouters such as interior live oak in drier chaparral communities does not necessarily imply that these plants possess specific fire adaptations, but that they are better generalists in these arid habitats than are most postfire seeders [36]. Aboveground portions of interior live oak are described as sensitive to fire [44], and plants are generally top-killed. The thin bark and small diameter typical of this species offer little protection [24,45]. However, plants generally sprout prolifically from the stump and root crown after fire or other disturbance [10,15,47]. Postfire seedling establishment can also occur [69], although success may be highly dependent on weather conditions. POSTFIRE REGENERATION STRATEGY : Tree with adventitious-bud root crown/soboliferous species root sucker Initial-offsite colonizer (off-site, initial community)

Related categories for Species: Quercus wislizenii | Interior Live Oak

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Information Courtesy: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory. Fire Effects Information System

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