Drought-associated woody-plant mortality has been increasing in most regions with multi-
decadal records and is projected to increase in the future, impacting terrestrial climate …

Large, majestic trees are iconic symbols of great age among living organisms. Published
evidence suggests that trees do not die because of genetically programmed senescence in …

Timely and accurate monitoring of pine forest diseases is greatly important to pine forest
disease prevention and forest protection. A method for unmanned aerial vehicle (UAV) …

Abstract Whitebark pine (Pinus albicaulis Engelm.) is an ecologically important subalpine
and treeline forest tree of the western US and Canada. It is categorized as endangered by …

High-elevation five-needle pines are foundational species and iconic components of
subalpine forests across western North America. Because they often grow at environmental …

Tree mortality associated with drought and concurrent bark beetle outbreaks is expected to
increase with further climate change. When these two types of disturbance occur in concert it …

Extreme weather episodes related to anthropogenic climate change have enhanced the
frequency and magnitude of bark beetle disturbance, causing worldwide mortality of forests …

China has recently announced a reform of forestry policy, with a major goal being to
transform from plantation to heterogeneous forests, which have higher resistance to pests …

After fire, bark beetles pose a significant threat to trees. Resin duct characteristics in trees
can increase resistance to bark beetles. However, little is known about how intra-and …

In 2018, up to 4 million m 3 Norway spruce was killed by the spruce bark beetle Ips
typographus in Sweden. The event was unique for Sweden, in terms of both affected volume …