Results 81 to 90 of about 4,776,147 (349)
Forest Ecosystems, 2016 BackgroundConceptual models of forest dynamics are powerful cognitive tools, which are indispensable for communicating ecological ideas and knowledge, and in developing strategic approaches and setting targets for forest conservation, restoration and ...
T. Kuuluvainen
semanticscholar +1 more source
Adaptable Tile‐Based Pneumatic Origami through Structurally Coupled Localized Actuation
Advanced Engineering Materials, EarlyView.This article presents tile‐based pneumatic origami structures with rigid tiles and flexible fabric creases, achieving adaptable properties including morphing shape, selective multistability, and tunable stiffness. Independently pressurized folding bladders at each crease enable structurally coupled localized actuation of origami structures.
Tiantian Li, Jonathan Luntz, Diann Brei
wiley +1 more source
imageseg: An R package for deep learning‐based image segmentation
Methods in Ecology and Evolution, 2022 Convolutional neural networks (CNNs) and deep learning are powerful and robust tools for ecological applications, and are particularly suited for image data. Image segmentation (the classification of all pixels in images) is one such application and can,
Jürgen Niedballa +8 more
doaj +1 more source
Roadless space and logging in intact forest landscapes of the Congo Basin [PDF]
, 2016 Background: Forest degradation in tropical regions is often associated with roads built for selective logging. Forest areas that are not accessible by roads are considered valuable because they provide habitat that is not immediately impacted by major ...
Gourlet-Fleury, Sylvie +5 more
core
Forest dynamics and its driving forces of sub-tropical forest in South China
Scientific Reports, 2016 Tree mortality and recruitment are key factors influencing forest dynamics, but the driving mechanisms of these processes remain unclear. To better understand these driving mechanisms, we studied forest dynamics over a 5-year period in a 20-ha sub ...
Lei Ma +5 more
semanticscholar +1 more source
Advanced Engineering Materials, EarlyView.Herein, environmental scanning electron microscopy (ESEM) is discussed as a powerful extension of conventional SEM for life sciences. By combining high‐resolution imaging with variable pressure and humidity, ESEM allows the analysis of untreated biological materials, supports in situ monitoring of hydration‐driven changes, and advances the functional ...
Jendrian Riedel +6 more
wiley +1 more source
Excess forest mortality is consistently linked to drought across Europe
Nature Communications, 2020 Droughts pose an increasingly important threat to forests. Here the authors analyse a high-resolution Landsat-based dataset of forest canopy mortality in Europe over 1987–2016 to show that drought is already a major driver of tree mortality.
Cornelius Senf +4 more
doaj +1 more source
Coupling Avicennia tree architecture to radar backscatter models for estimating mangrove forest biomass [PDF]
, 2004 The understanding of mangrove ecosystems functioning requires techniques allowing their forest structure and forest biomass to be assessed. Among them, radar measurements have demonstrated powerful capabilities that, however, must be validated ...
Boudon, Frédéric +3 more
core
Abrupt climate changes of the last deglaciation detected in a Western Mediterranean forest record [PDF]
, 2009 Abrupt changes in Western Mediterranean climate during the last deglaciation (20 to 6 cal ka BP) are detected in marine core MD95-2043 (Alboran Sea) through the investigation of high-resolution pollen data and pollen-based climate reconstructions by the ...
Dormoy, Isabelle +3 more
core +3 more sources
Transfer of Energy and Momentum Between Magnetoactive Surface Microstructure and a Solid Object
Advanced Engineering Materials, EarlyView.We demonstrate that magnetoactive multilamellar arrays subjected to a rotating magnetic field can function as platforms for controlled transport of physical objects. Through systematic experimental investigation, we elucidate the underlying physical mechanisms determining the upper limit of the achievable transportation speed in such magnetic “conveyor‐
Arne Geldof +9 more
wiley +1 more source