Results 11 to 20 of about 1,786,400 (346)

Probing mechanical interaction of immune receptors and cytoskeleton by membrane nanotube extraction

Scientific Reports, 2023
The role of force application in immune cell recognition is now well established, the force being transmitted between the actin cytoskeleton to the anchoring ligands through receptors such as integrins. In this chain, the mechanics of the cytoskeleton to
Fabio Manca, Gautier Eich, Omar N’Dao, Lucie Normand, Kheya Sengupta, Laurent Limozin, Pierre-Henri Puech   +6 more
doaj   +1 more source

Fusion of Sentinel-2 and PlanetScope time-series data into daily 3 m surface reflectance and wheat LAI monitoring

International Journal of Applied Earth Observation and Geoinformation, 2021
The dynamics of Leaf Area Index (LAI) from space is key to identify crop types and their phenology over large areas, and to characterize spatial variations within growers’ fields.
Yuval Sadeh, Xuan Zhu, D. Dunkerley, J. Walker, Yuxi Zhang, O. Rozenstein, V. S. Manivasagam, K. Chenu   +7 more
semanticscholar   +1 more source

Woody encroachment in grassland elicits complex changes in the functional structure of above‐ and belowground biota

Ecosphere, 2021
Woody plant encroachment affects dry grasslands globally. To predict changes in biodiversity and ecosystem processes, it is important to understand how this process affects the functional composition of grassland organism groups.
Siim‐Kaarel Sepp, John Davison, Mari Moora, Lena Neuenkamp, Jane Oja, Tomas Roslin, Martti Vasar, Maarja Öpik, Martin Zobel   +8 more
doaj   +1 more source

On the Use of NDVI to Estimate LAI in Field Crops: Implementing a Conversion Equation Library

Remote Sensing, 2022
The leaf area index (LAI) is a direct indicator of vegetation activity, and its relationship with the normalized difference vegetation index (NDVI) has been investigated in many research studies. Remote sensing makes available NDVI data over large areas,
S. Bajocco, F. Ginaldi, Francesco Savian, D. Morelli, Massimo Scaglione, Davide Fanchini, E. Raparelli, S. Bregaglio   +7 more
semanticscholar   +1 more source

Radiative transfer model inversion using high-resolution hyperspectral airborne imagery – Retrieving maize LAI to access biomass and grain yield

Field crops research (Print), 2022
Mapping crop within-field yield variability provide an essential piece of information for precision agriculture applications. Leaf Area Index (LAI) is an important parameter that describes maize growth, vegetation structure, light absorption and ...
A. Kayad, F. Rodrigues, Sergio Naranjo, M. Sozzi, F. Pirotti, F. Marinello, U. Schulthess, P. Defourny, B. Gérard, M. Weiss   +9 more
semanticscholar   +1 more source

A Mixed Data-Based Deep Neural Network to Estimate Leaf Area Index in Wheat Breeding Trials [PDF]

, 2020
Remote and non-destructive estimation of leaf area index (LAI) has been a challenge in the last few decades as the direct and indirect methods available are laborious and time-consuming.
Apolo Apolo, Orly Enrique, Egea Cegarra, Gregorio, Martínez Guanter, Jorge, Pérez Ruiz, Manuel   +3 more
core   +1 more source

Surface Urban Heat Island In Moscow During The COID-19 Pandemic Lockdown In 2020

Geography, Environment, Sustainability, 2023
The influence of the COronaVIrus Disease 2019 (COVID-19) pandemic lockdown (the period of strict quarantine measures) in the spring of 2020 on the ‘Surface Urban Heat Island’ (SUHI) geographical phenomenon in Moscow has been studied. For this purpose, we
Mikhail A. Lokoshchenko, Eugeniya A. Enukova   +1 more
doaj   +1 more source

Using the Negative Soil Adjustment Factor of Soil Adjusted Vegetation Index (SAVI) to Resist Saturation Effects and Estimate Leaf Area Index (LAI) in Dense Vegetation Areas

Italian National Conference on Sensors, 2021
Saturation effects limit the application of vegetation indices (VIs) in dense vegetation areas. The possibility to mitigate them by adopting a negative soil adjustment factor X is addressed.
Z. Zhen, Shengbo Chen, T. Yin, E. Chavanon, N. Lauret, J. Guilleux, M. Henke, W. Qin, Lisai Cao, Jian Li, Peng Lu, J. Gastellu‐Etchegorry   +11 more
semanticscholar   +1 more source

Remote estimation of leaf area index (LAI) with unmanned aerial vehicle (UAV) imaging for different rice cultivars throughout the entire growing season

Plant Methods, 2021
Background Rice is one of the most important grain crops worldwide. The accurate and dynamic monitoring of Leaf Area Index (LAI) provides important information to evaluate rice growth and production.
Yan Gong, Kaili Yang, Zhiheng Lin, Shenghui Fang, Xianting Wu, Renshan Zhu, Yi Peng   +6 more
semanticscholar   +1 more source

Combining Spectral and Texture Features of UAV Images for the Remote Estimation of Rice LAI throughout the Entire Growing Season

Remote Sensing, 2021
Leaf area index (LAI) estimation is very important, and not only for canopy structure analysis and yield prediction. The unmanned aerial vehicle (UAV) serves as a promising solution for LAI estimation due to its great applicability and flexibility.
Kaili Yang, Yan Gong, Shenghui Fang, Bo Duan, Ni Yuan, Yi Peng, Xianting Wu, Renshan Zhu   +7 more
semanticscholar   +1 more source