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Pollination ecotypes and the origin of plant species.
Proc Biol Sci
January 2025
Centre for Functional Biodiversity, University of KwaZulu-Natal, Pietermaritzburg 3209, South Africa.
Ecological niche shifts are a key driver of phenotypic divergence and contribute to isolating barriers among lineages. For many groups of organisms, the history of these shifts and associated trait-environment correlations are well-documented at the macroevolutionary level. However, the processes that generate these patterns are initiated below the species level, often by the formation of ecotypes in contrasting environments.
View Article and Find Full Text PDFLaser absorption spectroscopy (LAS) is a well-established measurement technique for quantitative chemical speciation in a combustion environment. However, LAS measurement of nitric oxide (NO) in ammonia flames has never been reported in the literature. This is despite the community's recent strong interest in carbon-neutral ammonia combustion and the associated NO formation problem.
View Article and Find Full Text PDFSeparation of Inorganic Forms of Tellurium Using On-Site SPE Followed by ICP-MS or ICP-OES-The Right Solution for Water Monitoring.
Molecules
January 2025
Faculty of Chemistry, University of Warsaw, ul. Pasteura 1, 02-093 Warsaw, Poland.
Tellurium, recognized as one of the technology-critical elements, should be considered as a xenobiotic. Its application, i.a.
View Article and Find Full Text PDFChallenges in estimating species' age from phylogenetic trees.
Glob Ecol Biogeogr
October 2024
Department of Biology, University of Fribourg, Switzerland and Swiss Institute of Bioinformatics, Fribourg, Switzerland.
Aim: Species age, the elapsed time since origination, can give insight into how species longevity might influence eco-evolutionary dynamics, which has been hypothesized to influence extinction risk. Traditionally, species' ages have been estimated from fossil records. However, numerous studies have recently used the branch lengths of time-calibrated phylogenies as estimates of the ages of extant species.
View Article and Find Full Text PDFOn the Cryptic Speciation in the Mosses with East Asia-East North America Disjunction: A Case Study of Two Poorly Understood Mosses from the Southern Extremity of the Russian Far East.
Plants (Basel)
December 2024
Geobotany Department, Biological Faculty, Lomonosov Moscow State University, 119234 Moscow, Russia.
A survey of the moss flora of the southernmost part of the Russian Primorsky Territory yielded several intriguing taxa, whose identity is assessed herein based on an integrative morpho-molecular approach. was previously known in inland Asia only from the Sino-Himalayan region and the new locality is distant from the earlier known ones to ca. 3000 km.
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