Results 61 to 70 of about 255,644 (310)

Phylogenomics, ecomorphological evolution, and historical biogeography in Deuterocohnia (Bromeliaceae: Pitcairnioideae)

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Species of Deuterocohnia (17 spp.) show extraordinary variation in elevation (0–3900 m a.s.l.) and growth forms, and many have narrow geographic distributions in the west‐central Andes and the Peru‐Chile coast. Previous research using few plastid and nuclear loci failed to produce well‐resolved or supported phylogenies.
Bing Li   +5 more
wiley   +1 more source

Trends and controls of terrestrial gross primary productivity of China during 2000–2016

open access: yesEnvironmental Research Letters, 2019
Terrestrial gross primary productivity (GPP) is an important flux that drives the global carbon cycle. However, quantifying the trend and the control factor of GPP from the pixel level to the regional level is still a challenge.
Jun Ma   +6 more
doaj   +1 more source

Evapotranspiration Variability and Its Association with Vegetation Dynamics in the Nile Basin, 2002–2011

open access: yesRemote Sensing, 2014
Evapotranspiration (ET) is a vital component in land-atmosphere interactions. In drylands, over 90% of annual rainfall evaporates. The Nile Basin in Africa is about 42% dryland in a region experiencing rapid population growth and development.
Henok Alemu   +3 more
doaj   +1 more source

Technobiological Pathways for High‐CO₂ Capture Using Micro‐/Macroalgae: Genetic Engineering, Process Automation, and Value‐Added Bioproducts

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Greenhouse gas (GHG) emissions have emerged as one of the most critical drivers of climate change; this is primarily due to high concentrations and long atmospheric life of carbon dioxide (CO2). For a significant amount of time, various biological processes such as microalgal cultivation, cyanobacterial systems, photosynthetic microorganisms ...
Sadhana Semwal, Harish Chandra Joshi
wiley   +1 more source

Satellite evidence for significant biophysical consequences of the “Grain for Green” Program on the Loess Plateau in China [PDF]

open access: yes, 2014
Afforestation has been implemented worldwide as regional and national policies to address environmental problems and to improve ecosystem services. China\u27s central government launched the “Grain for Green” Program (GGP) in 1999 to increase forest ...
Xiao, Jingfeng
core   +3 more sources

Changes and drivers of vegetation productivity in China’s drylands under climate change

open access: yesEnvironmental Research Letters
Increasing aridity can sharply reduce vegetation productivity in drylands, but elevated CO _2 and warming can enhance vegetation growth. However, the extent to which these positive effects counteract the negative effects of heightened aridity on ...
Wenxin Zhou   +5 more
doaj   +1 more source

Dryland Vegetation Functional Response to Altered Rainfall Amounts and Variability Derived from Satellite Time Series Data

open access: yesRemote Sensing, 2016
Vegetation productivity is an essential variable in ecosystem functioning. Vegetation dynamics of dryland ecosystems are most strongly determined by water availability and consequently by rainfall and there is a need to better understand how water ...
Gregor Ratzmann   +3 more
doaj   +1 more source

Gleaning the Rocky Shore? 2500 Years of Coastal Resource Use at Red Bluff 1, GunaiKurnai Country, SE Australia

open access: yesArchaeology in Oceania, EarlyView.
ABSTRACT Shell middens in Gippsland along the eastern half of Victoria's coastline have usually been characterised as small, short‐duration camp sites with relatively low shell densities and low taxonomic diversity. Here we present new excavation results from a dense, high‐diversity site at Red Bluff near the eastern end of GunaiKurnai Country, a ...
Patrick Faulkner   +17 more
wiley   +1 more source

Impact of droughts on the carbon cycle in European vegetation : a probabilistic risk analysis using six vegetation models [PDF]

open access: yes, 2014
Peer reviewedPublisher ...
Balkovi, J.   +15 more
core   +7 more sources

The interrelation between the productivity of winter wheat and weather conditions in autumn and early spring periods in the Northern Steppe of Ukraine

open access: yesAgricultural Science, 2019
The main objective of the study was to create scientific and methodological bases for the development, implementation and correction of ecologically adaptive technologies of winter wheat growing in the northern Steppe of Ukraine, depending on the terms ...
MOSTIPAN Mykola   +2 more
doaj  

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