Results 21 to 30 of about 182,763 (304)

Fire Regimes of Utah: The Past as Prologue

open access: yesFire, 2023
(1) Background: Satellite monitoring of fire effects is widespread, but often satellite-derived values are considered without respect to the characteristic severity of fires in different vegetation types or fire areas.
Joseph D. Birch, James A. Lutz
doaj   +1 more source

The Importance of Saperda Inornata and Oberea Schaumii (Coleoptera: Cerambycidae) Galleries as Infection Courts of Hypoxylon Pruinatum in Trembling Aspen, Populus Tremuloides [PDF]

open access: yes, 2017
(excerpt) Trembling aspen, Populus tremuloides Michaux, and bigtooth aspen, P. grandidentata Michaux, are hosts of numerous species of injurious insects and microorganisms (Harrison 1959).
Knight, Fred B., Nord, John C.
core   +3 more sources

Controls of Initial Wood Decomposition on and in Forest Soils Using Standard Material

open access: yesFrontiers in Forests and Global Change, 2022
Forest ecosystems sequester approximately half of the world’s organic carbon (C), most of it in the soil. The amount of soil C stored depends on the input and decomposition rate of soil organic matter (OM), which is controlled by the abundance and ...
Anita C. Risch   +12 more
doaj   +1 more source

Linking Past and Present: John Dewey and Assessment for Learning

open access: yesJournal of Teaching and Learning, 2012
: The purpose of this paper is to explore the principles of Assessment for Learning (AFL) in light of John Dewey’s writing about the purpose and possibility of education.
Sharen Kucey, Jim Parsons
doaj   +1 more source

Metabolite signature during short-day induced growth cessation in Populus

open access: yesFrontiers in Plant Science, 2011
The photoperiod is an important environmental signal for plants, and influences a wide range of physiological processes. For woody species in northern latitudes, cessation of growth is induced by short photoperiods.
Miyako eKusano   +6 more
doaj   +1 more source

Effects of Aspen Phenolic Glycosides on Gypsy Moth (Lepidoptera: Lymantriidae) Susceptibility to \u3ci\u3eBacillus Thuringiensis\u3c/i\u3e [PDF]

open access: yes, 2017
Performance of the gypsy moth, Lymantria dispar, on quaking aspen, Populus tremuloides, is strongly affected by foliar concentrations of phenolic glycosides.
Arteel, Gavin E, Lindroth, Richard L
core   +2 more sources

A Development Methodology for Copper End Termination Paste — Part 1: Origin of Green Defects

open access: yesActive and Passive Electronic Components, 2002
Copper (Cu) based pastes have emerged as the termination materials of choice for ceramic capacitors with base metal internal electrodes. To prevent oxidation of nickel (Ni) internal electrode and the copper terminations, it is necessary to fire the ...
Umesh Kumar
doaj   +1 more source

Painting, Talking, Rapping and Healing: U.S. Latine Youth and Young Adults Define Wellbeing through Arts-Based PAR

open access: yesYouth, 2023
This paper describes how a collective of Latine youth and adult allies used art-based approaches in a participatory action research project to better understand the ways in which young U.S. Latines make meaning of wellbeing. In this study, we interviewed
Desiree Armas   +4 more
doaj   +1 more source

The Response of Aspen \u3ci\u3e(Populus Tremuloides)\u3c/i\u3e to Artificial Defoliation [PDF]

open access: yes, 2017
(excerpt) In the summers of 1939 and 1940 hand defoliation oftrembling aspen, Populus tremuloides Michx., was carried on in a young stand located a few miles north of Itasca State Park.
Hodson, A. C
core   +2 more sources

A Simplified Summary of Supersymmetry

open access: yes, 1997
I give an overview of the motivations for and theory/phenomenology of supersymmetry.Comment: 24 pages, to appear in ``Future High Energy Colliders'', proceedings of the ITP Symposium, U.C. Santa Barbara, October 21-25, 1996, AIP Press. Also presented
Gunion, J. F.
core   +1 more source

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