Results 91 to 100 of about 15,187 (249)

Improving carbon modeling in aspen‐dominated forests: Lessons from CBM‐CFS3 evaluation against long‐term field data

open access: yesEcological Applications, Volume 36, Issue 6, September 2026.
Abstract Boreal forests cover a substantial portion of Canada's land base and play a central role in the national carbon budget through carbon storage and fluxes across multiple above‐ and belowground pools. The Carbon Budget Model of the Canadian Forest Sector (CBM‐CFS3) simulates and projects forest carbon dynamics under varying conditions and ...
Nicole Lau   +3 more
wiley   +1 more source

Crown Symptoms of Regrowth Dieback [PDF]

open access: yes, 1983
Symptoms in the crowns of Eucalyptus obliqua and E. regnans trees affected by "regrowth dieback" are reevaluated and amplified using tree climbing, tree felling, and optical study methods. A distinction is made between the dying upper branches and the
Plazer, C.
core   +1 more source

Environmental and Evolutionary Correlates of Extinction Risk in a Global Biodiversity Hotspot

open access: yesEcology and Evolution, Volume 16, Issue 9, September 2026.
We show that larger genera have a greater number of threatened and near‐threatened species, and that extinction risk is uncoupled with evolutionary history (diversification, speciation, extinction rates and lineage age). The decoupling of diversification rates and lineage age with current extinction risk suggests drivers of extinction risk are ...
Francis J. Nge, Thi H. Chung
wiley   +1 more source

Tidal Attenuation and Poor Drainage Make Interior Microtidal Marshes Vulnerable to Sea Level Rise

open access: yesGeophysical Research Letters
Empirical and simulation models often assume a uniform tidal range across marsh platforms to predict marsh vulnerability to sea level rise (SLR), overlooking the hydrological heterogeneity caused by tidal attenuation and drainage conditions.
Man Qi, Keryn Gedan
doaj   +1 more source

MAPLE DIEBACK IN ONTARIO

open access: yesThe Forestry Chronicle, 1965
Maple dieback, a disease condition of unknown etiology affecting sugar maple and other hardwoods in woodlots, was studied over a 6-year period to determine its severity and extent. Data from permanent sample plots showed a consistent recovery trend during this period among moderately affected maple and other hardwood species.
openaire   +1 more source

Ash dieback survey [PDF]

open access: yes, 1983
Details are given of the results of a survey of ash dieback carried out in the east-central region of England, from Humberside southward to Buckinghamshire.
R.G. Pawsey, Pawsey, R.G.
core  

Reforestation Under Climate Change—A Cross‐Regional Deadwood Retention Experiment to Develop Multifunctional Forests on Disturbed Norway Spruce Areas

open access: yesEcology and Evolution, Volume 16, Issue 9, September 2026.
The interdisciplinary “ResEt‐Fi” project investigates ecological and economic responses to different deadwood management practices within post‐disturbance landscapes. This article presents the rationale behind different deadwood treatments, the design of our cross‐regional field trial in Central Europe, and outlines an ecological response framework ...
Birgitta Putzenlechner   +16 more
wiley   +1 more source

Cytosporina dieback of apricot

open access: yesCalifornia Agriculture, 1963
Since about 1957 increasing numbers of apricot trees in coastal and central California counties have suffered from a limb dieback disorder that, until recently, was confused with the bacterial canker disease. This disease is now known to be caused by a fungus called Cytosporina, or in the sexual stage, Eutypa armeniacae, that had been previously ...
H English   +4 more
openaire   +1 more source

Detecting change in vegetation condition using high resolution multispectral imagery [PDF]

open access: yes, 2011
Remote sensing of vegetation condition using high resolution digital multispectral imagery (DMSI) is an option for land managers interested in quantifying the distribution and extent of dieback in native forest.
Stone, C.   +4 more
core  

Topography constrains the climatic response of treeline migration in Taiwan's subalpine forests

open access: yesEcography, Volume 2026, Issue 9, September 2026.
Treelines are moving upslope, but the rates and drivers differ among different regions, globally. Many studies have examined the relationship between treeline movement and climate change, particularly rising temperature, while the role of topographical factors has received much less attention, despite the longstanding recognition of its importance.
Kuan‐Yu Chen   +3 more
wiley   +1 more source

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