Results 1 to 10 of about 404 (103)

Quantifying Understory and Overstory Vegetation Cover Using UAV-Based RGB Imagery in Forest Plantation

Remote Sensing, 2020
Vegetation cover estimation for overstory and understory layers provides valuable information for modeling forest carbon and water cycles and refining forest ecosystem function assessment.
Guangjian Yan, Li Linyuan, Donghui Xie   +2 more
exaly   +3 more sources

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

Frontiers 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, Praveen Kumar, D.R. Bhardwaj, K.S. Dogra, Poonam   +4 more
exaly   +3 more sources

Assessment of Active LiDAR Data and Passive Optical Imagery for Double-Layered Mangrove Leaf Area Index Estimation: A Case Study in Mai Po, Hong Kong

Remote Sensing, 2023
Remote sensing technology is a timely and cost-efficient method for leaf area index (LAI) estimation, especially for less accessible areas such as mangrove forests.
Qiaosi Li, Frankie Kwan Kit Wong, Tung Fung, Luke A. Brown, Jadunandan Dash   +4 more
doaj   +1 more source

Strata-dependent relationships among temperate forest structure, diversity, and growth rate along a local-scale environmental gradient

Ecological Indicators, 2022
Exploring diversity-function relationships across overstory and understory strata is crucial for understanding ecological mechanisms, biodiversity conservation and forest management.
Dina Oktavia, Arshad Ali, Pil Sun Park, Guangze Jin   +3 more
doaj   +1 more source

Climate Effects on Vertical Forest Phenology of Fagus sylvatica L., Sensed by Sentinel-2, Time Lapse Camera, and Visual Ground Observations

Remote Sensing, 2021
Contemporary climate change leads to earlier spring phenological events in Europe. In forests, in which overstory strongly regulates the microclimate beneath, it is not clear if further change equally shifts the timing of leaf unfolding for the over- and
Lars Uphus, Marvin Lüpke, Ye Yuan, Caryl Benjamin, Jana Englmeier, Ute Fricke, Cristina Ganuza, Michael Schwindl, Johannes Uhler, Annette Menzel   +9 more
doaj   +1 more source

A Method for Quantifying Understory Leaf Area Index in a Temperate Forest through Combining Small Footprint Full-Waveform and Point Cloud LiDAR Data

Remote Sensing, 2021
Understory vegetation plays an important role in the structure and function of forest ecosystems. Light detection and ranging (LiDAR) can provide understory information in the form of either point cloud or full-waveform data.
Jinling Song, Xiao Zhu, Jianbo Qi, Yong Pang, Lei Yang, Lihong Yu   +5 more
doaj   +1 more source

Arbuscular Mycorrhizal Community in Roots and Nitrogen Uptake Patterns of Understory Trees Beneath Ectomycorrhizal and Non-ectomycorrhizal Overstory Trees

Frontiers in Plant Science, 2021
Nitrogen (N) is an essential plant nutrient, and plants can take up N from several sources, including via mycorrhizal fungal associations. The N uptake patterns of understory plants may vary beneath different types of overstory trees, especially through ...
Chikae Tatsumi, Chikae Tatsumi, Chikae Tatsumi, Fujio Hyodo, Takeshi Taniguchi, Weiyu Shi, Keisuke Koba, Keitaro Fukushima, Sheng Du, Norikazu Yamanaka, Pamela Templer, Ryunosuke Tateno   +11 more
doaj   +1 more source

An Analysis of Overstory Tree Canopy Cover in Sites Occupied by Native and Introduced Cottontails in the Northeastern United States with Recommendations for Habitat Management for New England Cottontail. [PDF]

PLoS ONE, 2015
The New England cottontail (Sylvilagus transitionalis) is a high conservation priority in the Northeastern United States and has been listed as a candidate species under the Endangered Species Act.
Bill Buffum, Thomas J McGreevy, Amy E Gottfried, Mary E Sullivan, Thomas P Husband   +4 more
doaj   +1 more source

Overstory Longleaf Pines and Hardwoods Create Diverse Patterns of Energy Release and Fire Effects During Prescribed Fire

Frontiers in Forests and Global Change, 2021
Litter from pine trees in open woodlands is an important fuel for surface fires, but litter from hardwood species may quell fire behavior. Lower intensity fires favor hardwood over longleaf pine regeneration, and while overstory hardwoods are important ...
Andrew W. Whelan, Seth W. Bigelow, Joseph J. O’Brien   +2 more
doaj   +1 more source

Stratifying forest overstory and understory using the Global Ecosystem Dynamic Investigation laser scanning data

International Journal of Applied Earth Observations and Geoinformation, 2023
Most multi-layer natural forest structures, usually containing obvious vertical structures including overstory, understory, and grass, show significant differences in structure, phenology variations, and photosynthetic capacity.
Zengxin Yun, Guang Zheng, L. Monika Moskal, Jiarui Li, Peng Gong   +4 more
doaj   +1 more source