Results 11 to 20 of about 461,590 (157)

Contrasting responses of the ocean’s oxygen minimum zones to artificial re-oxygenation

open access: yesEnvironmental Research Letters, 2023
Studies assessing potential measures to counteract the marine deoxygenation attributed to anthropogenic activities have been conducted in a few coastal environments and at regional scale, but not yet on a global scale.
Houda Beghoura   +4 more
doaj   +1 more source

Effects of nitrogen addition on root traits and soil nitrogen in the long-term restored grasslands

open access: yesPlant, Soil and Environment, 2021
Fine root traits are plastic and responsive to increased nitrogen (N) deposition. However, with the restoring of the ecosystem after grain for green, little research has been reported about the response of root traits in a long-term restored ecosystem to
Guanghua Jing   +6 more
doaj   +1 more source

An Improved Unmixing-Based Fusion Method: Potential Application to Remote Monitoring of Inland Waters

open access: yesRemote Sensing, 2015
Although remote sensing technology has been widely used to monitor inland water bodies; the lack of suitable data with high spatial and spectral resolution has severely obstructed its practical development.
Yulong Guo   +5 more
doaj   +1 more source

Microbial Communities in Vermiculation Deposits from an Alpine Cave

open access: yesFrontiers in Earth Science, 2020
Morgana Cave is located in Val di Scerscen, Central Italian Alps. The cave opens at an altitude of 2,600 m a.s.l. close to the retreating glacier Vedretto di Scerscen, and its entrance was discovered 30 years ago hidden underneath the glacier.
Valme Jurado   +8 more
doaj   +1 more source

Effects of nitrogen input on soil bacterial community structure and soil nitrogen cycling in the rhizosphere soil of Lycium barbarum L.

open access: yesFrontiers in Microbiology, 2023
Lycium barbarum L., goji berry, is a precious traditional Chinese medicine and it is homology of medicine and food. Its growth is heavily dependent on nitrogen.
Yuekun Li   +8 more
doaj   +1 more source

NITROGEN CYCLE IN NATURE: POSITIVE AND NEGATIVE EFFECTS [PDF]

open access: yesVestnik Issyk-Kulʹskogo universiteta
This study examines the process of nitrogen cycling in nature, as well as its positive and negative effects on ecosystems. Nitrogen is one of the most common elements in nature, is part of the main biological compounds and is one of the most important ...
Beknazarova Zh. M.
doaj   +1 more source

A critical trade-off between nitrogen quota and growth allows Coccolithus braarudii life cycle phases to exploit varying environment [PDF]

open access: yesBiogeosciences
Coccolithophores have a distinct haplo-diplontic life cycle, which allows them to grow and divide into two different life cycle phases (haploid and diploid).
J. de Vries   +5 more
doaj   +1 more source

Changes in the photosynthetic performance, the activity of enzymes of nitrogen metabolism, and proline content in the leaves of wheat plants after exposure to low CO2 concentration

open access: yesPhotosynthetica, 2023
The changes in photosynthetic activity, as well as the activity of nitrogen-metabolism enzymes, the intensity of lipid peroxidation, and proline content were studied in Triticum aestivum L.
A. IVANOV   +3 more
doaj   +1 more source

Urea Amendment Decreases Microbial Diversity and Selects for Specific Nitrifying Strains in Eight Contrasting Agricultural Soils

open access: yesFrontiers in Microbiology, 2018
Application of nitrogen (N) fertilizers, predominantly as urea, is a major source of reactive N in the environment, with wide ranging effects including increased greenhouse gas accumulation in the atmosphere and aquatic eutrophication. The soil microbial
Christopher Staley   +8 more
doaj   +1 more source

Moderate Nitrogen Reduction Increases Nitrogen Use Efficiency and Positively Affects Microbial Communities in Agricultural Soils

open access: yesAgriculture, 2023
Excessive nitrogen fertilizer usage in agricultural often leads to negative ecological and production gains. Alterations in the physical and chemical properties and microbial community structure of agricultural soils are both the cause and consequence of
Jianghua Tang   +7 more
doaj   +1 more source

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