Results 11 to 20 of about 144,293 (216)

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   +26 more
core   +1 more source

2-methyl-3-buten-2-ol: a pheromone component of conifer bark beetles found in the bark of nonhost deciduous trees [PDF]

open access: yes, 2012
Volatiles from bark of aspen,Populus tremulaL. and two species of birch: silver birch (Betula pendulaRoth.) and common birch (B. pubescensEhrh.), were collected by direct solvent extraction and aeration of both newly cut bark chips and undamaged stems in
Qing-He Zhang   +8 more
core   +1 more source

Notes Towards Gritty Fantasy Medievalism, Temporality, and Worldbuilding

open access: yesFafnir, 2023
This article discusses gritty fantasy, a fantasy subgenre, which was established in the early 2000s and has since gained a lot of traction. In previous research, gritty fantasy has often been understood as a deconstructive form of fantasy that draws on ...
Anna Bark Persson
doaj  

The Impact of Bark Content in Wood Pellets on Emission Production During Combustion in Small Heat Source

open access: yesCommunications, 2017
The combustion of biomass is relatively complicated. To minimize the emission production it is necessary to ensure the optimal setting of combustion process.
Michal Holubcik   +5 more
doaj   +1 more source

Activated biochars derived from wood biomass liquefaction residues for effective removal of hazardous hexavalent chromium from aquatic environments

open access: yesGCB Bioenergy, 2021
Residues obtained after wood biomass liquefaction were used as precursors for the synthesis of two activated biochars. The source of biomass liquefaction constituted of industrial wood processing by‐products, including bark and wood sawdust.
Dominika Janiszewska   +8 more
doaj   +1 more source

Bark Beetle Pheromones [PDF]

open access: yesScience, 1970
KINZER et al.1 have recently reported the identification and synthesis of the bicyclic compound, frontalin. We wish to question the validity of some of their conclusions in the light of earlier work by this group at the Boyce Thompson Institute and Battelle Memorial Institute.
W D, Bedard, R M, Silverstein, D L, Wood
openaire   +4 more sources

Grau de hidrometria do córtex de seis espécies arbóreas da caatinga Hidrometric rate of the cortex of six arboreous species in the caatinga

open access: yesActa Botânica Brasílica, 1989
O grau de hidrometria do córtex é um dos principais fatores que influenciam o estabelecimento de epífitas no tronco das árvores. Considerando a ausência de informações sobre o assunto na literatura para as espécies da caatinga, o grau de absorção de água
Marilena Ferrari   +3 more
doaj   +1 more source

Inbreeding and selection on sex ratio in the bark beetle Xylosandrus germanus [PDF]

open access: yes, 2011
Background: Local Mate Competition (LMC) theory predicts a female should produce a more female-biased sex ratio if her sons compete with each other for mates.
Keller, Laurent   +19 more
core   +1 more source

Sclerification in the bark tissues of common fir (Abies alba Mill.)

open access: yesActa Societatis Botanicorum Poloniae, 2014
The sclerification process in bark tissues of common fir (Abies alba Mill.) has been described. The sclerification begins in 3 years old stems. Sclereids differentiate from cortical parenchyma cells and from secondary phloem parenchyma cells that do not ...
Sławomir Janakowski   +1 more
doaj   +1 more source

In Vitro Inhibitory Effects of Viburnum opulus Bark and Flower Extracts on Digestion of Potato Starch and Carbohydrate Hydrolases Activity

open access: yesMolecules, 2022
One of the effective treatments for diabetes is to reduce and delay the absorption of glucose by inhibition of α-amylase and α-glucosidase in the digestive tract. Currently, there is a great interest in natural inhibitors from various part of plants.
Dominika Kajszczak   +3 more
doaj   +1 more source

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