Results 41 to 50 of about 68,747 (280)

High-severity wildfire leads to multi-decadal impacts on soil biogeochemistry in mixed-conifer forests. [PDF]

open access: yes, 2020
During the past century, systematic wildfire suppression has decreased fire frequency and increased fire severity in the western United States of America.
Bell C. W.   +7 more
core   +2 more sources

Deicing Salt Spray Injury in Selected Pinus spp.1

open access: yesJournal of the American Society for Horticultural Science, 1979
Abstract Needle surface characteristics and NaCl penetration rates were compared and related to deicing salt spray injury for resistant Austrian pine, Pinus nigra Arnold, and susceptible Eastern white pine, Pinus strobus L.
W. E. Barrick   +2 more
openaire   +1 more source

The impacts of biological invasions

open access: yesBiological Reviews, EarlyView.
ABSTRACT The Anthropocene is characterised by a continuous human‐mediated reshuffling of the distributions of species globally. Both intentional and unintentional introductions have resulted in numerous species being translocated beyond their native ranges, often leading to their establishment and subsequent spread – a process referred to as biological
Phillip J. Haubrock   +42 more
wiley   +1 more source

Occurrence, morphology and growth of understory saplings in Swedish forests [PDF]

open access: yes, 2004
Growing demands for a multipurpose forestry leads to increased use of silvicultural systems that avoid clear-cutting. Regeneration in such systems is based on establishment and ingrowth of new seedlings under a more or less closed canopy.
Wikberg, Per-Erik
core  

Moose indifferent to canopy loss from forest disturbance by bark beetles

open access: yesThe Journal of Wildlife Management, EarlyView.
Moose showed strikingly similar patterns of habitat selection before and after widespread forest disturbance following an infestation of bark beetles. Our findings indicate that beetle‐kill does not appreciably alter habitat quality for moose and highlight the importance of riparian areas in sustaining moose as they contend with changing forests ...
Alexander B. May   +5 more
wiley   +1 more source

Wild pig habitat use impacted by prescribed fire in the William B. Bankhead National Forest, USA

open access: yesThe Journal of Wildlife Management, EarlyView.
Natural resource management activities like integrated wild pig control programs and 3–5‐year interval prescribed burning can reduce wild pig activity and habitat but can have an unintended side effect of allowing them to thrive in sensitive and protected areas, where access and tools are restricted.
Patience E. Knight   +2 more
wiley   +1 more source

Evaluating Vacuum and Steam Heat to Eliminate Pinewood Nematodes in Naturally Infested Whole Pine Logs

open access: yesJournal of Nematology
Pinewood nematodes threaten forest health and continue to interfere with international trade because they can be spread around the globe via nematode-infested wood.
Eisenback J. D., Chen Z., White M.
doaj   +1 more source

Pest categorisation of Cronartium spp. (non‐EU)

open access: yesEFSA Journal, 2018
Following a request from the European Commission, the EFSA Panel on Plant Health performed a pest categorisation of Cronartium spp. (non‐EU), a well‐defined and distinguishable group of fungal pathogens of the family Cronartiaceae.
EFSA Panel on Plant Health (PLH)   +22 more
doaj   +1 more source

Exploitation of Wood Waste of Pinus spp for Briquette Production: A Case Study in the Community of San Francisco Pichátaro, Michoacán, Mexico

open access: yesApplied Sciences, 2020
This study describes the exploitation of wood waste (Pinus spp.) in the form of sawdust and shavings generated during the production of furniture and artisanal items in a community in the state of Michoacán, western Mexico.
M. Morales-Máximo   +3 more
doaj   +1 more source

Aphids (Hemiptera: Aphidoidea) associated with native trees in Malta (Central Mediterranean) [PDF]

open access: yes, 2009
In the present study 25 aphid species which are known to be associated with trees in the Maltese Islands are recorded. Of these, 18 species represent new records; these include Aphis craccivora, Brachyunguis tamaricis, Cavariella aegopodii ...
Barbagallo, Sebastiano   +2 more
core  

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