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You are here >1Up Info > Wildlife, Animals, and Plants > Plant Species > Shrub > Species: Quercus oblongifolia | Mexican Blue Oak

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SPECIES: Quercus oblongifolia | Mexican Blue Oak
WOOD PRODUCTS VALUE : Mexican blue oak has hard, strong wood that is brittle and heavy [26,44]. The wood checks severely when drying [6]. It is used in small amounts for fuel and furniture production [20]. IMPORTANCE TO LIVESTOCK AND WILDLIFE : Mexican blue oak provides food and cover for livestock and wildlife. It is browsed by white-tailed and mule deer [1,38]. In the Pusch Ridge Wilderness, Arizona, Mexican blue oak is a major browse species for bighorn sheep [29]. Acorns are consumed by cattle and wildlife such as deer, collared peccary, squirrels, and other rodents [12,21,30]. Numerous amphibians and reptiles use the communities in which Mexican blue oak occurs [28]. PALATABILITY : Mexican blue oak leaves are highly palatable yearlong to white-tailed and mule deer [43]. NUTRITIONAL VALUE : NO-ENTRY COVER VALUE : The habitat in which Mexican blue oak is dominant provides important cover for mule deer [2]. VALUE FOR REHABILITATION OF DISTURBED SITES : NO-ENTRY OTHER USES AND VALUES : NO-ENTRY MANAGEMENT CONSIDERATIONS : On the lower slopes of Santa Catalina Mountains, Arizona, Mexican blue oak is codominant with Emory oak in a mixed oak woodland. In this community ponderosa pine (Pinus ponderosa) has very low primary productivity per year (5.7 mg/ha/yr) [18]. These woodlands are noncommercial and have low net primary productivity [19]. Biomass and volume equations have been developed for Mexican blue oak stand assessments [10,11,14]. In open oak woodlands or savannas where Mexican blue oak occurs, oak establishment should increase if grasses are preferentially consumed by livestock [31]. In Arizona riparian woodlands at lower elevations, Mexican blue oak has about 10 to 20 percent canopy cover [33]. At elevations where it is a community dominant, Mexican blue oak has a density of 9.3 stems per acre (23 stems/ha) and frequency of 21 percent. At higher elevations it has densities of 1.2 to 2.8 (rarely 8) stems per acre (3-7 [rarely 20] stems/ha) and frequency of 9 percent [31]. Mexican blue oak is susceptible to the wood-decay fungus Inonotus andersonii. In the beginning stages of infection rotted branches drop off, creating cavities which provide habitat for cavity nesting birds and other wildlife. Advanced decay results in the death of older trees [48].

Related categories for Species: Quercus oblongifolia | Mexican Blue Oak

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