Tundra vegetation change and impacts on permafrost

MMPD Heijmans, RÍ Magnússon, MJ Lara… - Nature Reviews Earth & …, 2022 - nature.com
Tundra vegetation productivity and composition are responding rapidly to climatic changes
in the Arctic. These changes can, in turn, mitigate or amplify permafrost thaw. In this Review …

Winters are changing: snow effects on Arctic and alpine tundra ecosystems

C Rixen, TT Høye, P Macek, R Aerts, JM Alatalo… - Arctic …, 2022 - cdnsciencepub.com
Snow is an important driver of ecosystem processes in cold biomes. Snow accumulation
determines ground temperature, light conditions, and moisture availability during winter. It …

Remote sensing of phenology: Towards the comprehensive indicators of plant community dynamics from species to regional scales

I Dronova, S Taddeo - Journal of Ecology, 2022 - Wiley Online Library
Remote sensing of vegetation phenology has long been used to characterize ecosystem
functions and responses to climate at spatial and temporal scales unfeasible to field surveys …

Seeing the system from above: the use and potential of remote sensing for studying ecosystem dynamics

C Senf - Ecosystems, 2022 - Springer
Remote sensing techniques are increasingly used for studying ecosystem dynamics,
delivering spatially explicit information on the properties of Earth over large spatial and multi …

Multiscale mapping of plant functional groups and plant traits in the High Arctic using field spectroscopy, UAV imagery and Sentinel-2A data

ER Thomson, MP Spiegel, IHJ Althuizen… - Environmental …, 2021 - iopscience.iop.org
The Arctic is warming twice as fast as the rest of the planet, leading to rapid changes in
species composition and plant functional trait variation. Landscape-level maps of vegetation …

Climate change increases predation risk for a keystone species of the boreal forest

MJL Peers, YN Majchrzak, AK Menzies… - Nature Climate …, 2020 - nature.com
Canada lynx (Lynx canadensis) and snowshoe hares (Lepus americanus) form a keystone
predator–prey cycle that has large impacts on the North American boreal forest vertebrate …

Aboveground biomass corresponds strongly with drone-derived canopy height but weakly with greenness (NDVI) in a shrub tundra landscape

AM Cunliffe, JJ Assmann, GN Daskalova… - Environmental …, 2020 - iopscience.iop.org
Arctic landscapes are changing rapidly in response to warming, but future predictions are
hindered by difficulties in scaling ecological relationships from plots to biomes. Unmanned …

Monitoring post-fire neighborhood competition effects on pine saplings under different environmental conditions by means of UAV multispectral data and structure …

JM Fernández-Guisuraga, L Calvo… - Journal of environmental …, 2022 - Elsevier
In burned landscapes, the recruitment success of the tree dominant species mainly depends
on plant competition mechanisms operating at fine spatial scale, that may hinder resource …

Beyond visual-line-of-sight (BVLOS) drone operations for environmental and infrastructure monitoring: a case study in northwestern Canada

J van der Sluijs, E Saiet, CN Bakelaar… - Drone Systems and …, 2023 - cdnsciencepub.com
Aerial drones typically operate over small geographic areas (< 5 km2), yet environmental
and infrastructure monitoring applications often require the collection of data over larger …

Estimating and monitoring land surface phenology in rangelands: A review of progress and challenges

TN Matongera, O Mutanga, M Sibanda, J Odindi - Remote Sensing, 2021 - mdpi.com
Land surface phenology (LSP) has been extensively explored from global archives of
satellite observations to track and monitor the seasonality of rangeland ecosystems in …