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Mineralization and metallogenic model of the Laurani high-sulfidation epithermal deposit in northeastern Bolivian Altiplano.
Sci Rep
December 2024
College of Mining Engineering, Guizhou University of Engineering Science, Bijie, 551700, China.
The Laurani high-sulfidation epithermal deposit, located in the northeastern Altiplano of Bolivia, is a representative gold-polymetallic deposit linked to the late Miocene volcanic rocks that were formed approximately at about 7.5 Ma. At Laurani, four mineralization stages are defined.
View Article and Find Full Text PDFLegacy effects of an invasive legume more strongly impact bacterial than plant communities in a Mediterranean-type ecosystem.
J Environ Manage
December 2024
Centre for Invasion Biology, Department of Botany and Zoology, Stellenbosch University, Matieland, 7602, South Africa; School of Natural Sciences, Macquarie University, Sydney, 2109, Australia.
The impacts of invasive plants on ecosystem processes and functions may persist as "legacy effects" after their removal. Understanding these effects on native plant-soil interactions is critical for guiding ecological restoration efforts. This study examines the legacy effects of the invasive legume Acacia saligna (Labill.
View Article and Find Full Text PDFEstuarine dispersal of an invasive Holarctic predator (Esox lucius) confirmed in North America.
PLoS One
December 2024
College of Fisheries and Ocean Sciences, University of Alaska Fairbanks, Fairbanks, Alaska, United States of America.
The capacity for a non-native species to become invasive largely hinges on existing dispersal capacity or adaptation of dispersal in new environments. Here we provide early evidence that invasive Northern Pike (Esox lucius), a Holarctic freshwater top predator, illegally introduced in the late 1950s into Southcentral Alaska, are now dispersing through estuarine corridors. This finding represents the first known documentation of estuary use and dispersal by Northern Pike in North America, exacerbating conservation concerns for already depressed populations of culturally and economically important species such as salmonids.
View Article and Find Full Text PDFSynthesis and characterization of isotopically barcoded nickel, molybdenum, and tungsten taggants for intentional nuclear forensics.
Talanta
December 2024
Savannah River National Laboratory, Aiken, SC, 29808, USA. Electronic address:
Intentional nuclear forensics is a concept wherein the deliberate addition of benign and persistent material signatures to nuclear material can be used to reduce the time between the discovery of material outside of regulatory control and determination of its original provenance. One concept within intentional nuclear forensics involves the use of perturbed stable isotopes to generate unique isotope ratio "barcodes" to encode information (e.g.
View Article and Find Full Text PDFStable isotope fingerprinting can directly link intestinal microorganisms with their carbon source and captures diet-induced substrate switching .
bioRxiv
December 2024
Department of Plant and Microbial Biology, North Carolina State University, Raleigh NC.
Unlabelled: Diet has strong impacts on the composition and function of the gut microbiota with implications for host health. Therefore, it is critical to identify the dietary components that support growth of specific microorganisms . We used protein-based stable isotope fingerprinting (Protein-SIF) to link microbial species in gut microbiota to their carbon sources by measuring each microbe's natural C content (δC) and matching it to the C content of available substrates.
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