Foliar Nutrient Composition of Juniperus osteosperma and Environmental Interactions
Abstract:Two hundred fifty-five trees of Utah juniper (Juniperus osteosperma (Torr.) Little) were sampled from 17 pinyon-juniper sites in Utah and analyzed for foliar-mineral composition, total soluble carbohydrate, and total chlorophyll content. These foliar nutrient factors were compared to each other and related to a variety of environmental site factors including temperature, precipitation, and soil nutrient levels. Trees from each site were classified according to age and each age group was analyzed separately. Data indicate concentrations of N, P, and K in all age groups are consistent with other forest species. Concentrations of Ca varied while amounts of Na and Fe were unusually high, particularly in seedlings. Strong correlations (α = 0.01) were noted between amounts of precipitation in the research sites and variations in foliar nutrient content. Forest Sci. 32:149-156.
Document Type: Journal Article
Affiliations: Professor, Department of Botany and Range Science, Brigham Young University, Provo, Utah 84602
Publication date: 1986-03-01
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- Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
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