Results 81 to 90 of about 74,135 (217)
Seasonal flight patterns of the Spruce bark beetle (Ips typographus) in Sweden [PDF]
, 2012 The major bark beetle threat to Norway spruce (Picea abies (L.) Karst.) in Eurasia is the spruce bark beetle Ips typographus. Beetles cause damage after population build-up in defenseless trees.
Öhrn, Petter
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[Ennis Figure Pads brand sketchbook]
, 1950 Ennis Figure Pads brand sketchbook - contains notes and sketches by Everett ...
Spruce, Everett F. (Everett Franklin), 1908-2002
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Lignin studies of transgenic Norway spruce [PDF]
, 2006 An attractive objective in tree breeding is to reduce the content of lignin, or increase its extractability, to favor delignification during pulping. This study investigates the potential for lignin alterations in Norway spruce (Picea abies [L.] Karst ...
Wadenbäck, Johan
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Visual Parameterization of Vaganov-Shashkin Simulation Model and its Application in Dendroecological Research [PDF]
Журнал 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
TORREFACTION OF BEECH AND SPRUCE SAWDUST [PDF]
Pro 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
, 1937 Oil on masonite. Donated to Dallas Public Library by John William Rogers in 1958 along with Spruce watercolor and pencil sketches (also in Texas Artists: Paintings, Sculpture, and Works on Paper digital collection.
Spruce, Everett F. (Everett Franklin), 1908-2002
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Mechanisms of resistance of white spruce to the spruce bud moth
The Forestry Chronicle, 1996 There is a genetic basis to resistance of open-grown white spruce trees to their primary pest, the spruce bud moth, Zeiraphera canadensis Mutt. & Free. Resistance is attributable to late budburst and unknown factors associated with higher predation and parasitism of eggs and mortality of old larvae.
openaire +1 more source
Olfaction in the Spruce Bark Beetle, Ips typographus [PDF]
, 2011 The bark beetle Ips typographus regularly kills spruce trees in the Palearctic. Spruces are colonized by means of attraction to an aggregation pheromone. Attraction is modulated by anti-attractive volatiles (NHV) from non-host plants.
Andersson, Martin
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Musical knowledge, critical consciousness and critical thinking
, 2012 The concept of critical thinking is understood in a number of ways. In some definitions it is close to the idea of metacognition - ‘thinking about thinking’ - whilst in others it describes a process of ‘logical thinking’ involving the gathering ...
Spruce, Gary
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