Results 141 to 150 of about 20,430 (260)

Long‐Term Effects of Freeze–Thaw Events on Ecosystem Carbon Exchange

open access: yesEcology and Evolution, Volume 16, Issue 3, March 2026.
In this work, we utilized 24 long‐term (over 10 years) observed flux tower sites to analyze the impact of freeze–thaw events on net ecosystem carbon exchange (NEE) and ecosystem respiration (RE), and explored the resistance of ecosystem carbon exchange to freeze–thaw events.
Qingfeng Xu   +5 more
wiley   +1 more source

Satellite‐Derived NDVI Predicts Forage Availability in a Wild Ungulate System: Ground‐Truthing Using Field‐Collected Vegetation Biomass

open access: yesEcology and Evolution, Volume 16, Issue 3, March 2026.
This study uses three decades of field‐collected vegetation biomass data to ground‐truth satellite‐derived Normalised Difference Vegetation Index (NDVI) data from Landsat imagery as a proxy for resource availability for wild red deer on the Isle of Rum, Scotland.
Shane Butt   +8 more
wiley   +1 more source

Unveiling Diet Preferences and Their Nutritional Drivers Through Metabarcoding: The Case of Alpine Marmot (Marmota marmota L.) in High Altitude Grazed Pastures

open access: yesEcology and Evolution, Volume 16, Issue 3, March 2026.
The alpine marmot (Marmota marmota), a crucial component of alpine ecosystems, serves both as a key player in the food chain and as an ‘ecosystem engineer.’ Employing DNA metabarcoding of fecal samples, this study investigated the diet composition and foraging strategies of four alpine marmot colonies across diverse alpine pasture ecosystems throughout
Giorgio Marchesini   +10 more
wiley   +1 more source

Functional distinctiveness and rarity highlight climate vulnerability of mountain birds

open access: yesEcology, Volume 107, Issue 3, March 2026.
Abstract The loss of both functionally distinct and geographically restricted (i.e., rare) species can limit the capacity of ecological communities to respond to ongoing environmental changes. Mountains, which harbor high biodiversity and unique species, are particularly vulnerable to rapidly shifting climate conditions and remain understudied compared
Maria del Mar Delgado   +7 more
wiley   +1 more source

Fecal DNA metabarcoding reveals seasonal and annual variation in willow ptarmigan diet

open access: yesRoyal Society Open Science
Understanding spatio-temporal variation in the diet of alpine herbivores is important to predict how a changing climate will affect these species in the future. We examined the spatio-temporal variation in willow ptarmigan (Lagopus l. lagopus) diet using
Elise W. Ingvaldsen   +5 more
doaj   +1 more source

Climate forcing on avian life history [PDF]

open access: yes, 2009
In the 21st century, human-induced global climate change has been highlighted as one of the most serious threats to ecosystems worldwide. According to global climate scenarios, the mean temperature in Finland is expected to increase by 1.8 4.0°C by the ...
Lehikoinen, Aleksi
core  

Climate Change Has Already Reshaped North American Forest Pest Dynamics: Insights From Multidecadal Process‐Based Modelling

open access: yesGlobal Change Biology Communications, Volume 1, Issue 1, March 2026.
Climate change has rapidly expanded and shifted suitable climate conditions for eight major forest pests across North America, especially toward northern and higher elevation areas. Host exposure and overlap among pests are increasing, raising ecological and economic risks, and signaling accelerating future impacts under continued warming.
Yan Boulanger   +5 more
wiley   +1 more source

Assessing satellite-derived land product quality for earth system science applications: results from the ceos lpv sub-group [PDF]

open access: yes
The value of satellite derived land products for science applications and research is dependent upon the known accuracy of the data. CEOS (Committee on Earth Observation Satellites), the space arm of the Group on Earth Observations (GEO), plays a key ...
Baret, F.   +4 more
core   +2 more sources

Reproductive phenology of subalpine moss, Polytrichum ohioense Ren. et Card. [PDF]

open access: yes, 2002
The reproductive phenology of Polytrichum ohioense was investigated in a sub-alpine forest at the foot of Mt. Tyausu, in the Yatsugatake Mountains, Central Honshu, Japan.
Eri Ayukawa   +3 more
core   +1 more source

Recurrent drought amplifies drought impacts and increases seasonal synchrony in mountain grassland communities

open access: yesOikos, Volume 2026, Issue 3, March 2026.
Climate change increases the recurrence of drought events with strong repercussions on grassland ecosystems. While the effects of single drought events on ecosystem structure and functioning are well understood, it is largely unknown whether and how recurrent drought events modify ecosystem responses to subsequent drought.
Lena M. Müller   +4 more
wiley   +1 more source

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