Results 21 to 30 of about 408,574 (237)

A New foodweb based on microbes in calcitic caves: The Cansiliella (Beetles) case in Northern Italy [PDF]

open access: yesInternational Journal of Speleology, 2011
The troglobitic beetle, Cansiliella servadeii (Leptodirini), has specialized mouthparts modified for browsing and feeding under percolating water on moonmilk, a speleothem formation in Grotta della Foos, Italy. Results from analyses of stable isotopes of
Paoletti Maurizio G.   +9 more
doaj  

Ecosystem engineers in the extreme: The modest impact of marmots on vegetation cover and plant nitrogen and phosphorus content in a cold, extremely arid mountain environment

open access: yesEcology and Evolution, 2023
Burrowing mammals strongly impact plant communities. One of the main effects is accelerating nutrient cycling and thus promoting plant growth. This mechanism is well‐studied in grasslands and alpine habitats, but less is known about this phenomenon in ...
Piotr Chibowski   +3 more
doaj   +1 more source

Research Status and Prospect of the Application of Radionuclides in Agricultural Resources and Environment

open access: yesJournal of Isotopes
Radionuclides with a diverse range of applications and high analytical efficiency to promote multidisciplinary Innovation and developments, which are considered to be an essential tool in the field of modern science and engineering.
Juan ZHANG   +4 more
doaj   +1 more source

Environmental stress and eutrophication in freshwater wetlands: evidence from carbon and nitrogen stable isotopes in cattail (Typha domingensis Pers.)

open access: yesEcological Processes, 2019
Background Florida’s Everglades is a vast freshwater peatland that has been impacted by the alterations of hydrological pattern and water quality which led to changes in plant species composition and biodiversity.
Ziye Zheng   +4 more
doaj   +1 more source

Mycorrhiza governs plant-plant interactions through preferential allocation of shared nutritional resources: A triple (13C, 15N and 33P) labeling study

open access: yesFrontiers in Plant Science, 2022
Plant-plant interactions and coexistence can be directly mediated by symbiotic arbuscular mycorrhizal (AM) fungi through asymmetric resource exchange between the plant and fungal partners.
Maede Faghihinia   +2 more
doaj   +1 more source

Estimating submarine groundwater discharge and associated nutrient inputs into Daya Bay during spring using radium isotopes

open access: yesWater Science and Engineering, 2018
Daya Bay, a semi-enclosed bay in the South China Sea, is well known for its aquaculture, agriculture, and tourism. In recent years, many environmental problems have emerged, such as the frequent (almost yearly) occurrence of harmful algal blooms and red ...
Jing-yan Gao   +3 more
doaj   +1 more source

Predicting Nutrient Incontinence in the Anthropocene at Watershed Scales

open access: yesFrontiers in Environmental Science, 2020
Quantifying nutrient attenuation at watershed scales requires long-term water chemistry data, water discharge, and detailed nutrient input chronicles.
Rebecca J. Frei   +13 more
doaj   +1 more source

New 26P(p, γ)27S Thermonuclear Reaction Rate and Its Astrophysical Implications in the rp-process

open access: yesThe Astrophysical Journal, 2023
Accurate nuclear reaction rates for ^26 P( p , γ ) ^27 S are pivotal for a comprehensive understanding of the rp -process nucleosynthesis path in the region of proton-rich sulfur and phosphorus isotopes.
S. Q. Hou   +6 more
doaj   +1 more source

Terrigenous subsidies in lakes support zooplankton production mainly via a green food chain and not the brown food chain

open access: yesFrontiers in Ecology and Evolution, 2022
Terrestrial organic matter (t-OM) has been recognized as an important cross-boundary subsidy to aquatic ecosystems. However, recent evidence has shown that t-OM contributes little to promote secondary production in lakes because it is a low-quality food ...
Fumiya Hirama   +11 more
doaj   +1 more source

Electrochemical Pathways for Nitrate Conversion to Ammonia: From Environmental Challenges to Ammonia Economy

open access: yesAdvanced Functional Materials, EarlyView.
This perspective presents recent advances in electrocatalytic nitrate reduction, focusing on reaction mechanisms, catalyst design, and electrolyzer configurations. Key challenges in selectivity, stability, and practical wastewater treatment are highlighted, while future directions for advancing sustainable ammonia synthesis and nitrate remediation are ...
Xintong Li   +9 more
wiley   +1 more source

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