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You are here >1Up Info > Wildlife, Animals, and Plants > Plant Species > Shrub > Species: Cercidium microphyllum | Yellow Paloverde
 

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FIRE ECOLOGY

SPECIES: Cercidium microphyllum | Yellow Paloverde
FIRE ECOLOGY OR ADAPTATIONS : The thin-barked photosynthetic stems of yellow paloverde are killed by fire [13]. Yellow paloverde may sprout from the root crown following top-kill [39]. The temperatures of desert fires are variable due to fluctuations in kinds and quantities of available fuel [104]. Heavy grazing in some upland sites has eliminated the grass understory beneath paloverde species and saguaro. Grass species were replaced with bursage, burroweed (Haplopappus tenuisectus), and snakeweed (Gutierrezia spp.). This has lowered the fire frequency because there is insufficient fuel to carry fires [70]. However, introduced annuals in other areas may have increased both the frequency and the severity of fire [71,72]. Fires in the Sonoran Desert are generally infrequent and are low severity due to low fuel loads [49]. However, fires can be relatively common in the Sonoran Desert under appropriate conditions, especially during the summer [39]. Two consecutive wet winters are probably needed to develop fuel loads adequate to sustain fire. Fire is frequent in desert grasslands on the eastern edge of the Sonoran Desert [49]. The Sonoran savanna grasslands are subtropical, fire-climax grasslands. Most of these communities were destroyed through grazing and other land management practices by the 1940's. Yellow paloverde grows in remnants of these communities at their northern limits [8]. POSTFIRE REGENERATION STRATEGY : Tree with adventitious-bud root crown/soboliferous species root sucker Tall shrub, adventitious-bud root crown Secondary colonizer - off-site seed

Related categories for Species: Cercidium microphyllum | Yellow Paloverde

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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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