Results 21 to 30 of about 10,359 (162)

A History of the Eastern Larch Beetle, \u3ci\u3eDendroctonus Simplex\u3c/i\u3e (Coleoptera: Scolytidae), in North America [PDF]

open access: yes, 2017
The eastern larch beetle, Dendroctonus simplex, is reputedly a secondary pest but may attack and kill tamarack and ornamental larches throughout Canada, the northeastern United Stales, and Alaska. Isolated infestations of this pest have been reported for
Langor, D. W, Raske, A. G
core   +2 more sources

Seven spruce species on a mountain site - performance, foliar nutrients, and forest floor properties in stands 20 years old

open access: yesiForest - Biogeosciences and Forestry, 2019
Norway spruce is often considered to have a negative impact on a site, yet it is native to many mountain regions of Europe. The relative influence of Norway spruce on site properties has frequently been compared with that of both broadleaved and other ...
Špulák O, Kacálek D, Balcar V
doaj   +1 more source

Evaluation of Three Trap Types and Five Lures for Monitoring \u3ci\u3eHylurgus Ligniperda\u3c/i\u3e (Coleoptera: Scolytidae) and Other Local Scolytids in New York [PDF]

open access: yes, 2018
Hylurgus ligniperda (Coleoptera: Scolytidae) is a pine (Pinus spp.) pest native to Eurasia and northern Africa. In December 2000, an established population of H. ligniperda was discovered in Monroe County, New York.
Haack, Robert A   +2 more
core   +2 more sources

New insights into the consequences of post-windthrow salvage logging revealed by functional structure of saproxylic beetles assemblages.

open access: yesPLoS ONE, 2014
Windstorms, bark beetle outbreaks and fires are important natural disturbances in coniferous forests worldwide. Wind-thrown trees promote biodiversity and restoration within production forests, but also cause large economic losses due to bark beetle ...
Simon Thorn   +6 more
doaj   +1 more source

Bark beetle population dynamics in the Anthropocene: Challenges and solutions [PDF]

open access: yes, 2019
Tree-killing bark beetles are the most economically important insects in conifer forests worldwide. However, despite N200 years of research, the drivers of population eruptions and crashes are still not fully understood and the existing knowledge is thus
Biedermann, P.   +16 more
core   +3 more sources

Training and utilizing scent detection dogs in the identification of the European spruce bark beetle Ips typographus

open access: yesSilva Fennica
The European spruce bark beetle (Ips typographus L.) thrives in weakened mature spruce (Picea abies (L.) H. Karst.) stands, causing massive destruction and becoming more abundant in Europe since the late 2010s.
Reetta Kangaslampi, Olli-Pekka Tikkanen
doaj   +1 more source

Pine Pitch Canker and Insects: Relationships and Implications for Disease Spread in Europe [PDF]

open access: yes, 2019
Producción CientíficaThe fungal pathogen Fusarium circinatum (Nirenberg and O’ Donnell) is the causal agent of pine pitch canker (PPC) disease, which seriously affects conifer species in forests and nurseries worldwide.
Altunisik, Aliye   +14 more
core   +2 more sources

Changes in park plantations in a short period of time (on the example of Krasnokutsky park (Kharkiv region))

open access: yesІнтродукція Рослин, 2018
Objective — to determine specify changes in taxonomical composition, plantations and landscapes of Krasnokutsky park (Kharkiv Region) in the last 20 years. Material and methods. Researches were conducted in 1997 (Yu.O.
A.V. Hryhorenko, Yu.O. Klymenko
doaj   +1 more source

The role of forest genetic resources in responding to biotic and abiotic factors in the context of anthropogenic climate change [PDF]

open access: yes, 2015
The current distribution of forest genetic resources on Earth is the result of a combination of natural processes and human actions. Over time, tree populations have become adapted to their habitats including the local ecological disturbances they face ...
Alfaro, R.I.   +13 more
core   +1 more source

Annotated Bibliography of the Ambrosia Beetle \u3ci\u3eXylosandrus Germanus\u3c/i\u3e (Coleoptera: Scolytidae) [PDF]

open access: yes, 2017
(excerpt) Xylosandrus germanus (Blandford) (= Xyleborus germanus) is an ambrosia beetle that is found in Japan, Korea, the KurU Islands, Vietnam, China, Taiwan, central Europe, and the Cnited States (Nobuchi 1981).
McPherson, J. E, Weber, B. C
core   +2 more sources

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