Results 91 to 100 of about 4,928 (219)

Forest understory trees can be segmented accurately within sufficiently dense airborne laser scanning point clouds

open access: yesScientific Reports, 2017
Airborne laser scanning (LiDAR) point clouds over large forested areas can be processed to segment individual trees and subsequently extract tree-level information.
Hamid Hamraz   +2 more
doaj   +1 more source

Abundance, diversity and composition of understory plants along the altitudinal gradient and dominant overstory composition types in the temperate Himalayan region

open access: yesFrontiers in Forests and Global Change
IntroductionThe Indian Himalayan forests are remarkable landforms experiencing tremendous climatic variation, constituting complex and diversified ecosystems with prominent vegetation zones.
Saveena Sangry   +4 more
doaj   +1 more source

Resilience and plant growth forms 40 years after a volcanic disturbance

open access: yesEcosphere, Volume 17, Issue 6, June 2026.
Abstract Resilience represents a critical concept in ecology; yet, quantitative assessment of resilience in response to disturbance is rare, even for widely recognized growth forms. Plant groups based on deciduousness, clonality, morphology, and Raunkiaer life form could predict inertia to major disturbances and subsequent resilience.
Dylan G. Fischer   +2 more
wiley   +1 more source

Overstory influences on herb and shrub communities in mature forests of western Washington, U.S.A.

open access: yes, 2000
Understanding the relationships between forest overstory and understory communities is essential for predicting changes in the abundance and distribution of understory plants through successional time and in response to forest management.
Charles B Halpern   +2 more
core   +1 more source

Using LiDAR to quantify, map, and conserve late‐successional and old‐growth forest in Maine, USA

open access: yesEcosphere, Volume 17, Issue 6, June 2026.
Abstract The world continues to lose late‐successional and old‐growth (LSOG) forest as the human population and demand for wood fiber grow. However, older forest age classes provide structural and compositional characteristics important to biodiversity that are often not present in forests managed for timber.
John M. Hagan   +3 more
wiley   +1 more source

The role of tree traits in explaining throughfall variability in US forests

open access: yesEcosphere, Volume 17, Issue 6, June 2026.
Abstract Throughfall, precipitation that passes through the plant canopy or drips from canopy surfaces, represents the dominant input of water to most forests and is extremely spatially and temporally variable. Many plant traits can influence throughfall, but because measuring throughfall and a wide variety of plant traits is labor intensive, most ...
Edward Ayres
wiley   +1 more source

Height Growth of Advance Regeneration Under an Even-Aged Bigtooth Aspen (Populus Grandidentata) Overstory

open access: yes, 1995
Height and age structures and recent height growth rates of white pine (Pinus strobus) and red maple (Acer rubrum) advance regeneration were examined in an even-aged bigtooth aspen ecosystem to determine if height growth inhibition in the understory is ...
Palik, Brian J., Pregitzer, Kurt S.
core   +1 more source

Initial Recovery of the Herbaceous Layer of a Temperate Deciduous Forest After 30 Years of Nitrogen Amendments: Implications for the Success of the Clean Air Act

open access: yesGlobal Change Biology Communications, Volume 1, Issue 2, June 2026.
A hysteretic model predicts a time lag in the response of herbaceous layer variables (e.g., cover, diversity) to decreasing N deposition. To the contrary, virtually all such variables displayed a surprising sensitivity to decreased N. ABSTRACT Increases in nitrogen (N) emissions during the 20th century resulted in the atmospheric deposition of N ...
Frank S. Gilliam   +2 more
wiley   +1 more source

Variation in Climate Shapes Seedling Recruitment Along Resource Gradients in a Northern Hardwood Forest

open access: yesGlobal Change Biology Communications, Volume 1, Issue 2, June 2026.
Seedling counts over 26 years revealed that wetter‐site temperate tree species struggle to recruit in warmer, drier years, whereas drier‐site species are more climate‐tolerant. Shadier forests buffered seedlings from heat and drought. Local soils and canopy cover strongly shaped outcomes, revealing considerable differences among species in climate ...
Bailey H. McNichol, Richard K. Kobe
wiley   +1 more source

Relationships of overstory trees and shrubs with forage species portray ecosystem service interactions in smallholder fallows

open access: yes, 2014
Interactions among ecosystem services are increasingly perceived as important to ecosystem service delivery. Synergies and trade-offs among ecosystem services arise through direct ecological interactions or indirectly through correlated responses to ...
Naeem, S., Sircely, Jason A.
core  

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