Search Results - "Jameson, Donald A."

Effects of Burning on a Galleta-Black Grama Range Invaded by Juniper by Jameson, Donald A.

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Vegetation and Soils of Fishtail Mesa, Arizona by Jameson, Donald A., Williams, John A., Wilton, Eugene W.

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Degradation and accumulation of inhibitory substances fromJuniperus osteosperma (Torr.) Little by Jameson, Donald A.

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Responses of Individual Plants to Harvesting by Jameson, Donald A.

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Pinyon-Juniper Litter Reduces Growth of Blue Grama by Jameson, Donald A.

“…What is there about pinyon and juniper trees which reduces growth of blue grama? This study shows that the chief influence is due to tree litter, not canopy…”
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Competition in a Blue Grama-Broom Snakeweed-Actinea Community and Responses to Selective Herbicides by Jameson, Donald A.

“…In a blue grama-broom snakeweed-Cooper actinea community, the presence of half-shrubs suppressed the growth of blue grama. Blue grama and forbs were increased…”
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Growth and development of Andropogon scoparius Michx. as influenced by removal of various above-ground parts by Jameson, Donald A

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DEGRADATION AND ACCUMULATION OF INHIBITORY SUBSTANCES FROM JUNIPERUS OSTEOSPERMA (TORR.) LITTLE by JAMESON, DONALD A.

“…Two or more compounds present in leaves of Juniperus osteosperma (Torr.) Little are active growth inhibitors. One of these, a blue fluorescent spot, is…”
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Heat and Desiccation Resistance of Tissue of Important Trees and Grasses of the Pinyon-Juniper Type by Jameson, Donald A.

“…1. Relative heat and desiccation resistances of tree twigs and grass culm bases were determined by raising the tissues to various temperatures. The treatments…”
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Nutritive Value of Browse on Montana Winter Ranges by Jameson, Donald A.

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Plant Growth Regulation by Jameson, Donald A.

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The Effect of Hormone, Dehulling and Seedbed Treatments on Germinaton and Adventititious Root Formation in Blue Grama by Rakhshan Roohi, Jameson, Donald A.

“…Under usual range conditions, the time between blue grama (Bouteloua gracilis) germination and adventitious roots development is such that it is rare that both…”
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Integrated Experimental Ecology: Methods and Results of Ecosystem Research in the German Solling Project by Jameson, Donald A.

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Effects of single season and rotation harvesting on cool- and warm-season grasses of a mountain grassland by Jameson, Donald A.

“…A mountain bunchgrass community with cool-season Parry oatgrass (Danthonia parryi) and warm-season slimstem muhly (Muhlenbergia filiculmis) as major grasses…”
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The Relationship of Tree Overstory and Herbaceous Understory Vegetation by Jameson, Donald A.

“…For study of the effect of trees on understory vegetation a good mathematical equation is very helpful. This article presents an equation which fits…”
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Juniper Root Competition Reduces Basal Area of Blue Grama by Jameson, Donald A.

“…Juniper root competition reduces the basal area of blue grama, but the effect is small enough that careful control of experimental error is necessary to detect…”
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Land Management Policy and Development of Ecological Concepts by Jameson, Donald A.

“…As ecological concepts become incorporated into the training and background information of professional land managers, they also become incorporated into land…”
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The Pinyon-Juniper Type of Arizona by Jameson, Donald A., Reid, Elbert H.

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Ecology and Control of Alligator Juniper by Jameson, Donald A., Johnsen, Thomas N.

“…Alligator juniper (Juniperus deppeana Steud.) is a weed tree of Arizona and New Mexico. It sprouts from stems, roots, or especially from buds on the crown,…”
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Time of Day as a Consideration in Grass Clipping Experiments by Jameson, Donald A., Thomas, Gerald W.

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