Results 51 to 60 of about 109,024 (352)

Spatial patterns of goose grubbing suggest elevated grubbing in dry habitats linked to early snowmelt [PDF]

open access: yesPolar Research, 2013
The western Palaearctic tundra is a breeding habitat for large populations of European geese. After their arrival in spring, pink-footed geese (Anser brachyrhynchus) forage extensively on below-ground plant parts, using a feeding technique called ...
Åshild Ø. Pedersen   +5 more
doaj   +1 more source

Инициальное почвообразование в Прибрежной Антарктике: существуют ли не орнитогенные почвы?

open access: yesУкраїнський антарктичний журнал, 2017
Примитивные тундровые почвы сформировались и функционируют в суровых климатиче­ских условиях. Их изучение позволяет количественно оценить инициальные стадии почвообразова­ния, что крайне важно как для понимания процесса в целом, так и для создания ...
N. Zaimenko   +4 more
doaj   +1 more source

Another Winter Tundra [PDF]

open access: yesClinical Chemistry, 2017
Cold, windy, the house creaking, feeling the low temperature from the outside world. Freeze nipping at my bare toes. Barren trees, grey against the monochromatic sky, seemingly lifeless land, snow starts falling, swirling through the air, so soft and gentle. As I peek out the window, it turns to sleet.
openaire   +2 more sources

Hydrologic Controls on Peat Permafrost and Carbon Processes: New Insights From Past and Future Modeling

open access: yesFrontiers in Environmental Science, 2022
Soil carbon (C) in permafrost peatlands is vulnerable to decomposition with thaw under a warming climate. The amount and form of C loss likely depends on the site hydrology following permafrost thaw, but antecedent conditions during peat accumulation are
Claire C. Treat   +3 more
doaj   +1 more source

Eighteen years of ecological monitoring reveals multiple lines of evidence for tundra vegetation change

open access: yesEcological Monographs, 2019
The Arctic tundra is warming rapidly, yet the exact mechanisms linking warming and observed ecological changes are often unclear. Understanding mechanisms of change requires long-term monitoring of multiple ecological parameters.
I. Myers-Smith   +15 more
semanticscholar   +1 more source

Ecosystem‐Centered Robot Design: Toward Ecoresorbable Sustainability Robots (ESRs)

open access: yesAdvanced Science, EarlyView.
Robots exploring natural ecosystems can support monitoring and conservation, but must adopt ecosystem‐centered design to avoid pollution, waste, and damage. This review proposes guidelines for co‐designing ecoresorbable sustainability robots (ESRs), uniting materials, robotics, and ecological contexts in a single framework.
Tülin Yılmaz Nayır   +4 more
wiley   +1 more source

Interactions between carbon and nitrogen dynamics in estimating net primary productivity for potential vegetation in North America [PDF]

open access: yes, 1992
We use the terrestrial ecosystem model (TEM), a process-based model, to investigate how interactions between carbon (C) and nitrogen (N) dynamics affect predictions of net primary productivity (NPP) for potential vegetation in North America. Data on pool
Joyce, L. A.   +6 more
core   +2 more sources

Patterned-ground facilitates shrub expansion in Low Arctic tundra

open access: yesEnvironmental Research Letters, 2013
Recent expansion of tall shrubs in Low Arctic tundra is widely seen as a response to climate warming, but shrubification is not occurring as a simple function of regional climate trends.
Gerald V Frost   +4 more
doaj   +1 more source

Wind‐driven seed dispersal differentially promotes seed trapping and retention across alpine plants

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Seed dispersal can mediate species interactions between plants across life stages. Plants can physically stop seed movement (seed trapping) and prevent further dispersal following entrapment (seed retention). We therefore hypothesized seed trapping and retention rates depend on the physical attributes of interacting seeds and plants ...
Courtenay A. Ray   +7 more
wiley   +1 more source

The sign, magnitude and potential drivers of change in surface water extent in Canadian tundra

open access: yesEnvironmental Research Letters, 2018
The accelerated rate of warming in the Arctic has considerable implications for all components of ecosystem functioning in the High Northern Latitudes.
Mark L Carroll, Tatiana V Loboda
doaj   +1 more source

Home - About - Disclaimer - Privacy