Results 11 to 20 of about 168,895 (301)

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

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   +29 more
core   +2 more sources

Morphological correlates of fire-induced tree mortality in a central Amazonian forest. [PDF]

open access: yes, 2003
Tree characteristics were recorded from 2829 standing trees in 24 0.25-ha terra firme forest plots in central Amazonia, 3 y after a surface fire had swept through the study area.
Peres, Carlos A.   +2 more
core   +5 more sources

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

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

Population dynamics of tree-killing bark beetles [PDF]

open access: yes, 2010
During outbreak periods, the European spruce bark beetle and the North American mountain pine beetle are able to kill millions of coniferous trees. Throughout the 20th century, six outbreaks have occurred in Sweden and four in British Columbia, with ...
Kärvemo, Simon
core   +1 more source

The spruce bark beetle Ips typographus in a changing climate [PDF]

open access: yes, 2012
Outbreaks of the Spruce bark beetle Ips typographus are often triggered by storm and drought and have destroyed millions of cubic meters of wood. It is therefore a pest insect of economic importance in Europe.
Öhrn, Petter
core   +1 more source

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

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