Results 71 to 80 of about 97,163 (199)

Pine Tree and Rocks, [Sketch 1]

open access: yes, 1940
Pencil on cardstock. Bare tree and pine tree in foreground with stone wall to the left. One of four pencil sketches Everett Spruce created at John William Rogers’ request.
Spruce, Everett F. (Everett Franklin), 1908-2002
core  

Visual Parameterization of Vaganov-Shashkin Simulation Model and its Application in Dendroecological Research [PDF]

open access: yesЖурнал Сибирского федерального университета: Серия Биология, 2015
There are many different methods and tools for data analysis in dendrochronology. Modeling is one of them. One of the main issues in modeling is a choice of the main factors.
Ivan I. Tychkov   +3 more
doaj  

Pine Tree and Rocks, [Sketch 3]

open access: yes, 1940
Pencil on cardstock. Bare tree trunk standing in semicircle of stones in right foreground. Large pine in left foreground. One of four pencil sketches Everett Spruce created at John William Rogers’ request.
Spruce, Everett F. (Everett Franklin), 1908-2002
core  

TORREFACTION OF BEECH AND SPRUCE SAWDUST [PDF]

open access: yesPro Ligno, 2014
This paper aims to apply a thermal treatment of beech and spruce sawdust dried to 10% moisture in order to determine the mass loss and to obtain pellet sets. This paper considers the colour change of the treated material during the treatment, as function
Tatiana GRÎU, Aurel LUNGULEASA
doaj  

Conversion of a forest managed under systems involving coupes to a selection forest on an example of the Opuky research area

open access: yesJournal of Forest Science, 2002
This paper evaluates the development of growing stock, number of trees and diameter distribution of the standing volume in the Opuky locality where conversion to a selection forest has been the aim of management over a long period of time.
J. Souček
doaj   +1 more source

Pine Tree and Rocks, [Sketch 4]

open access: yes, 1940
Pencil on cardstock. Large pine tree in foreground; path or road to the left; additional rocks and trees in the background. One of four pencil sketches Everett Spruce created at John William Rogers’ request.
Spruce, Everett F. (Everett Franklin), 1908-2002
core  

Induced terpene accumulation in Norway spruce inhibits bark beetle colonization in a dose-dependent manner [PDF]

open access: yes, 2011
Background: Tree-killing bark beetles (Coleoptera, Scolytinae) are among the most economically and ecologically important forest pests in the northern hemisphere.
Anna-Karin Borg-Karlson   +31 more
core   +2 more sources

Reduction of timber value from damaged spruce stands after their dieback

open access: yesJournal of Forest Science, 2002
The paper presents a method for the derivation of total timber production and of increments in value units, particularly in net financial yield for spruce stands damaged by crown defoliation after their dieback.
R. Petráš
doaj   +1 more source

[Ennis Figure Pads brand sketchbook]

open access: yes, 1950
Ennis Figure Pads brand sketchbook - contains notes and sketches by Everett ...
Spruce, Everett F. (Everett Franklin), 1908-2002
core  

Aspects of Teaching Secondary Music: Perspectives on Practice

open access: yes, 2001
Aspects of Teaching Secondary Musicprovides a practical illustration of the skills, knowledge and understanding required to teach music in the secondary classroom. Musical concepts and ideas are discussed and a critical examination of key issues is given.
Spruce, Gary
core   +1 more source

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