Results 11 to 20 of about 72,771 (216)

An accumulation of climatic stress events has led to years of reduced growth for sugar maple in southern Quebec, Canada

open access: yesEcosphere, 2020
Understanding the influence of climatic variation on forest dynamics is of great ecological and economic interest, and is essential to prescribe silvicultural interventions that will facilitate ecosystem acclimation to global change.
Guillaume Moreau   +2 more
doaj   +1 more source

Landscape-level variability and insect herbivore outbreak captured within modern forests provides a framework for interpreting the fossil record

open access: yesScientific Reports, 2023
Temporal patterns of plant–insect interactions are readily observed within fossil datasets but spatial variability is harder to disentangle without comparable modern methods due to limitations in preservation.
Lauren Azevedo-Schmidt   +3 more
doaj   +1 more source

Spatiotemporal Dynamics of 20th-Century Spruce Budworm Outbreaks in Eastern Canada: Three Distinct Patterns of Outbreak Severity

open access: yesFrontiers in Ecology and Evolution, 2021
Spruce budworm (SBW) outbreaks are a major disturbance in North American forests. In Quebec, Canada, the recent history of SBW outbreaks at the local scale is well-known.
Cassy Berguet   +3 more
doaj   +1 more source

Changes in Spatiotemporal Patterns of 20th Century Spruce Budworm Outbreaks in Eastern Canadian Boreal Forests

open access: yesFrontiers in Plant Science, 2018
In scenarios of future climate change, there is a projectedincrease in the occurrence and severity of natural disturbances inboreal forests. Spruce budworm (Choristoneura fumiferana)(SBW) is the main defoliator of conifer trees in the North American ...
Lionel Navarro   +4 more
doaj   +1 more source

Forest landscape structure influences the cyclic‐eruptive spatial dynamics of forest tent caterpillar outbreaks

open access: yesEcosphere, 2020
A fundamental question in forest insect ecology is the role of forest landscape structure, particularly the amount and spatial configuration of host tree species, in shaping the dynamics of recurring forest insect outbreaks.
Louis‐Etienne Robert   +7 more
doaj   +1 more source

Relative impacts of gypsy moth outbreaks and insecticide treatments on forest resources and ecosystems: An experimental approach

open access: yesEcological Solutions and Evidence, 2021
1. Gypsy moth outbreaks cause severe defoliation in Holarctic forests, both in North America where it is invasive, and in its native range in Eurasia. Defoliation can hamper timber production and impact ecological communities and processes.
Benjamin M. L. Leroy   +14 more
doaj   +1 more source

Carbon Cycling, Climate Regulation, and Disturbances in Canadian Forests: Scientific Principles for Management

open access: yesLand, 2015
Canadian forests are often perceived as pristine and among the last remaining wilderness, but the majority of them are officially managed and undergo direct land use, mostly for wood harvest.
Jean-Sébastien Landry, Navin Ramankutty
doaj   +1 more source

Bet-hedging dry-forest resilience to climate-change threats in the western USA based on historical forest structure

open access: yesFrontiers in Ecology and Evolution, 2015
Dry forests are particularly subject to wildfires, insect outbreaks, and droughts that likely will increase with climate change. Efforts to increase resilience of dry forests often focus on removing most small trees to reduce wildfire risk.
William Lawrence Baker, Mark A Williams
doaj   +1 more source

A curated DNA barcode reference library for parasitoids of northern European cyclically outbreaking geometrid moths

open access: yesEcology and Evolution, 2022
Large areas of forests are annually damaged or destroyed by outbreaking insect pests. Understanding the factors that trigger and terminate such population eruptions has become crucially important, as plants, plant‐feeding insects, and their natural ...
Tommi Nyman   +9 more
doaj   +1 more source

Multi-locus genotyping of stored sperm reveals female remating rates in wild populations of the Queensland fruit fly

open access: yesCurrent Research in Insect Science, 2022
Female insects commonly have more than one mate during a breeding period (‘polyandry’), storing and using sperm from multiple males. In addition to its evolutionary significance, insect polyandry has practical implications for pest management that relies
Jason Shadmany   +3 more
doaj   +1 more source

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