Results 81 to 90 of about 1,278,304 (260)

Combining spaceborne lidar from the Global Ecosystem Dynamics Investigation with local knowledge for monitoring fragmented tropical landscapes: A case study in the forest–agriculture interface of Ucayali, Peru

open access: yesEcology and Evolution
Improving our ability to monitor fragmented tropical ecosystems is a critical step in supporting the stewardship of these complex landscapes. We investigated the structural characteristics of vegetation classes in Ucayali, Peru, employing a co‐production
Savannah S. Cooley   +12 more
doaj   +1 more source

Terrestrial Laser Scanning to Detect Liana Impact on Forest Structure [PDF]

open access: yes, 2018
Tropical forests are currently experiencing large-scale structural changes, including an increase in liana abundance and biomass. Higher liana abundance results in reduced tree growth and increased tree mortality, possibly playing an important role in ...
Calders, Kim   +4 more
core   +3 more sources

Engineered Mycelial Scaffolds With Tunable Ultraviolet Protection, Wettability, Thermal Stability, and Spatial Mechanics

open access: yesAdvanced Engineering Materials, EarlyView.
Fungal mycelia grown into biodegradable scaffolds and infused with titania nanoparticles show enhanced ultraviolet shielding, thermal protection, and surface nonwettability. Properties were tuned by drying methods, revealing structure–function relationships.
Juwon S. Afolayan   +2 more
wiley   +1 more source

Assessing experimental silvicultural treatments enhancing structural complexity in a central European forest – BEAST time‐series analysis based on Sentinel‐1 and Sentinel‐2

open access: yesRemote Sensing in Ecology and Conservation
Assessing the dynamics of forest structure complexity is a critical task in times of global warming, biodiversity loss and increasing disturbances in order to ensure the resilience of forests.
Patrick Kacic   +4 more
doaj   +1 more source

Estimation of Above Ground Biomass in a Tropical Mountain Forest in Southern Ecuador Using Airborne LiDAR Data

open access: yesRemote Sensing, 2018
A reliable estimation of Above Ground Biomass (AGB) in Tropical Mountain Forest (TMF) is still complicated, due to fast-changing climate and topographic conditions, which modifies the forest structure within fine scales.
Víctor González-Jaramillo   +5 more
doaj   +1 more source

Scientifically based biodiversity management in timber concessions: contribution to conservation and sustainable use of biodiversity [PDF]

open access: yes, 2016
During the past 25 years, forest laws in Central African countries have undergone major changes. Management plans were made mandatory: nearly 19 million hectares of timber concessions (38% of total granted concessions) were subject to a management plan ...
Bayol, Nicolas   +4 more
core  

Changes in the silver fir forest vegetation 50 years after cessation of active management [PDF]

open access: yes, 2015
Knowledge of the vegetation and the monitoring of its changes in preserved areas is an essential part of effective conservation policy and management.
Kopeć, Dominik, Woziwoda, Beata
core   +4 more sources

Development of Sustainable MgO–C Refractories Using MgO–C Recyclates and a Novel Eco‐Friendly Fructose–Tannin Binder Crosslinked With Citric Acid

open access: yesAdvanced Engineering Materials, EarlyView.
This study develops sustainable MgO–C refractories using recycled materials and eco‐friendly fructose–tannin binders. The enhanced performance of citric acid as a cross‐linker and functional additives on mechanical and thermomechanical properties was examined. Characterization included strength tests, immersion trials, and microstructural and inclusion
Dinesh K. Gunasekar   +7 more
wiley   +1 more source

Estimating Ladder Fuels: A New Approach Combining Field Photography with LiDAR

open access: yesRemote Sensing, 2016
Forests historically associated with frequent fire have changed dramatically due to fire suppression and past harvesting over the last century. The buildup of ladder fuels, which carry fire from the surface of the forest floor to tree crowns, is one of ...
Heather A. Kramer   +5 more
doaj   +1 more source

Urban, Forest, and Agricultural AIS Data: Fine Spectral Structure [PDF]

open access: yes, 1985
Spectra acquired by the Airborne Imaging Spectrometer (AIS) near Lafayette, IN, Ely, MN, and over the Stanford University campus, CA were analyzed for fine spectral structure using two techniques: the ratio of radiance of a ground target to the radiance ...
Vanderbilt, V. C.
core   +1 more source

Home - About - Disclaimer - Privacy