Drone data reveal heterogeneity in tundra greenness and phenology not captured by satellites

JJ Assmann, IH Myers-Smith, JT Kerby… - Environmental …, 2020 - iopscience.iop.org
Data across scales are required to monitor ecosystem responses to rapid warming in the
Arctic and to interpret tundra greening trends. Here, we tested the correspondence among …

[HTML][HTML] Vegetation Changes in the Arctic: A Review of Earth Observation Applications

M Wenzl, CA Baumhoer, AJ Dietz, C Kuenzer - Remote Sensing, 2024 - mdpi.com
The Arctic, characterised by severe climatic conditions and sparse vegetation, is
experiencing rapid warming, with temperatures increasing by up to four times the global rate …

Carbon response of tundra ecosystems to advancing greenup and snowmelt in Alaska

JH Kim, Y Kim, D Zona, W Oechel, SJ Park… - Nature …, 2021 - nature.com
The ongoing disproportionate increases in temperature and precipitation over the Arctic
region may greatly alter the latitudinal gradients in greenup and snowmelt timings as well as …

[HTML][HTML] Inferring the relationship between soil temperature and the normalized difference vegetation index with machine learning

S Mortier, A Hamedpour, B Bussmann, RPT Wandji… - Ecological …, 2024 - Elsevier
Abstract Changes in climate can greatly affect the phenology of plants, which can have
important feedback effects, such as altering the carbon cycle. These phenological feedback …

Time-series maps reveal widespread change in plant functional type cover across Arctic and boreal Alaska and Yukon

MJ Macander, PR Nelson, TW Nawrocki… - Environmental …, 2022 - iopscience.iop.org
Widespread changes in the distribution and abundance of plant functional types (PFTs) are
occurring in Arctic and boreal ecosystems due to the intensification of disturbances, such as …

[HTML][HTML] Remote sensing of coastal vegetation phenology in a cold temperate intertidal system: implications for classification of coastal habitats

B Légaré, S Bélanger, RK Singh, P Bernatchez… - Remote Sensing, 2022 - mdpi.com
Intertidal vegetation provides important ecological functions, such as food and shelter for
wildlife and ecological services with increased coastline protection from erosion. In cold …

Exploring the applicability and scaling effects of satellite-observed spring and autumn phenology in complex terrain regions using four different spatial resolution …

F Chen, Z Liu, H Zhong, S Wang - Remote Sensing, 2021 - mdpi.com
The information on land surface phenology (LSP) was extracted from remote sensing data in
many studies. However, few studies have evaluated the impacts of satellite products with …

The greening effect characterized by the Normalized Difference Vegetation Index was not coupled with phenological trends and tree growth rates in eight protected …

A Correa-Díaz, ME Romero-Sánchez… - Forest Ecology and …, 2021 - Elsevier
In temperature-limited ecosystems such as high-elevation forests, rising temperatures and
increasing carbon dioxide can result in a greening effect and changes in the phenology of …

Is Alaska's Yukon–Kuskokwim Delta greening or browning? Resolving mixed signals of tundra vegetation dynamics and drivers in the maritime Arctic

GV Frost, US Bhatt, MJ Macander… - Earth …, 2021 - journals.ametsoc.org
Abstract Alaska's Yukon–Kuskokwim Delta (YKD) is among the Arctic's warmest, most
biologically productive regions, but regional decline of the normalized difference vegetation …

Habitat selection by Dall's sheep is influenced by multiple factors including direct and indirect climate effects

JL Aycrigg, AG Wells, EO Garton, B Magipane… - Plos one, 2021 - journals.plos.org
Arctic and boreal environments are changing rapidly, which could decouple behavioral and
demographic traits of animals from the resource pulses that have shaped their evolution …