Results 1 to 10 of about 2,063,143 (381)

Agroecology landscapes [PDF]

open access: yesLandscape Ecology, 2021
Agroecology combines agronomic and ecological concepts. It relies on the enhancement of biodiversity and related ecosystem services to support agricultural production.
P. Jeanneret   +7 more
semanticscholar   +5 more sources

Impact of Climate Change on the Ground Thermal Regime in the Lower Lena Region, Arctic Central Siberia

open access: yesLand, 2022
This paper presents the results of 30 years of permafrost thermal monitoring in the Tiksi area in the eastern Russian Arctic. At a stone ridge site, the mean annual temperatures in the upper 30 m of the ground have increased by 1–2.4 °C compared to the ...
Pavel Konstantinov   +6 more
doaj   +1 more source

Variability of Permafrost and Landscape Conditions Following Forest Fires in the Central Yakutian Taiga Zone

open access: yesLand, 2022
In the last two decades in Central Yakutia, there has been a significant change in cryogenic landscapes related to climate warming and anthropogenic disturbances.
Marat I. Petrov   +3 more
doaj   +1 more source

Adaptive cycles of floodplain vegetation response to flooding and drying [PDF]

open access: yesEarth Surface Dynamics, 2016
Flooding is a key driver of floodplain vegetation productivity. Adaptive cycles provide a model for examining the productivity of semi-arid floodplain vegetation in response to hydrology.
R. Thapa   +3 more
doaj   +1 more source

Fruitful exchanges: social networks and food resources amidst change

open access: yesAgriculture & Food Security, 2022
Background The Amazon region of Brazil is known both for its significant biological and cultural diversity. It is also a region, like many parts of the country, marked by food insecurity, even amongst its rural agricultural populations.
Sam Schramski   +1 more
doaj   +1 more source

Challenges to Implementing the Kunming-Montreal Global Biodiversity Framework

open access: yesLand, 2023
The Convention on Biological Diversity (CBD) has been a pivotal international instrument for global biodiversity conservation since 1992. The recent Kunming-Montreal Global Biodiversity Framework (GBF) aims to provide a pathway for the CBD for the ...
Qingyang Li   +2 more
doaj   +1 more source

Barren plateaus in quantum neural network training landscapes [PDF]

open access: yesNature Communications, 2018
Many experimental proposals for noisy intermediate scale quantum devices involve training a parameterized quantum circuit with a classical optimization loop.
J. McClean   +4 more
semanticscholar   +1 more source

Predictability of evolutionary trajectories in fitness landscapes [PDF]

open access: yes, 2011
Experimental studies on enzyme evolution show that only a small fraction of all possible mutation trajectories are accessible to evolution. However, these experiments deal with individual enzymes and explore a tiny part of the fitness landscape.
A Dawid   +57 more
core   +10 more sources

Introduction: Layered Landscapes [PDF]

open access: yes, 2020
This Special Issue of Arts investigates a series of creative projects focused upon and sited within certain peripheral landscapes of northern Britain ..
Ashmore, Rupert, Holt, Ysanne
core   +2 more sources

A Framework for Reviewing Silvopastoralism: A New Zealand Hill Country Case Study

open access: yesLand, 2021
Silvopastoral systems can be innovative solutions to agricultural environmental degradation, especially in hilly and mountainous regions. A framework that expresses the holistic nature of silvopastoral systems is required so research directions can be ...
Thomas H. Mackay-Smith   +4 more
doaj   +1 more source

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