Results 51 to 60 of about 71,370 (231)

Stilbenes in Carex acuta and Carex lepidocarpa

open access: yesMolecules
Stilbenes in the roots of Carex acuta and Carex lepidocarpa were studied. Root samples were extracted with 100% methanol and analyzed by HPLC and LC-MS. In this way, trans-resveratrol dimers (m/z 455 Da [M + H]+), trimers (m/z 681 Da [M + H]+) and tetramers (m/z 907 Da [M + H]+) were identified in the extracts.
Jan Tříska   +4 more
openaire   +4 more sources

Reconstructing post‐crisis recovery in the hinterlands of Constantinople: A high‐resolution first‐millennium CE pollen record from Lake Yeniçağa (NW Türkiye)

open access: yesJournal of Quaternary Science, EarlyView.
ABSTRACT Facing a novel plague pandemic, military invasions, and political–economic transformations, societies of the eastern Roman (Byzantine) empire had to adapt to a variety of pressures and new ways of exploiting their natural environments during the mid‐1st millennium CE.
Cristiano Vignola   +7 more
wiley   +1 more source

Effect of long-term grazing on the contents of phenolic compounds in Carex and Aster plants in Mongolia

open access: yesMongolian Journal of Chemistry
Long-term grazing changes the plant diversity and their growth significantly. At the metabolite level, the contents and compositions of the specialized metabolic compounds in plants could also be altered under long-term grazing conditions.
Purevdorj Erdenetsogt   +5 more
doaj   +1 more source

Aquatic and Littoral Successions in Various Post‐Mining Sites—Patterns and Possible Use in Ecological Restoration

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Vegetation succession in aquatic and littoral habitats has received much less attention than terrestrial habitats have. We sampled differently aged successional stages at five different types of post‐mining sites, that is, sandpits, stone quarries, clay quarries, brown coal spoil heaps and black coal subsidences, across the Czech Republic ...
Anna Müllerová   +2 more
wiley   +1 more source

DNA in honey could describe the changes in flower visits and microbe encounters of honey bees over decades

open access: yesScientific Reports
Recent environmental changes due to land-use and climate change threaten biodiversity and the ecosystem services it provides. Understanding the true scope of these changes is complicated by the lack of historical baselines for many of the interactions ...
Alyssa R. Cirtwill, Helena Wirta
doaj   +1 more source

The Ecological Response of Carex lasiocarpa Community in the Riparian Wetlands to the Environmental Gradient of Water Depth in Sanjiang Plain, Northeast China

open access: yesThe Scientific World Journal, 2013
The response of Carex lasiocarpa in riparian wetlands in Sanjiang Plain to the environmental gradient of water depth was analyzed by using the Gaussian Model based on the biomass and average height data, and the ecological water-depth amplitude of Carex
Zhaoqing Luan   +4 more
doaj   +1 more source

CAREX Toolbox Handout 1 - CAREX Key Steps

open access: yes, 2018
Through the CAREX project, we have tested a series of practical tools, and developed solutions and approaches to address aquatic weed, sediment, and nutrient management issues in agricultural waterways in lowland Canterbury. We have developed a set of steps and toolboxes, underpinned by science, which can be applied by farmers, landowners and ...
Febria, Catherine M.   +6 more
openaire   +1 more source

The native flora of the Redberry Lake Biosphere Region (Saskatchewan, Canada): taxonomy, biogeography, habitats and conservation

open access: yesNordic Journal of Botany, EarlyView.
This study reports for the first time a checklist of native vascular plants and provides a comprehensive analysis of the flora of the Redberry Lake Biosphere Region (RLBR) in the province of Saskatchewan, Canada. To complete an inventory of the regional flora, I conducted intensive field investigations during 2010–2025 and employed detailed examination
Vladimir Kricsfalusy
wiley   +1 more source

Chloroplast genomes of four Carex species: Long repetitive sequences trigger dramatic changes in chloroplast genome structure

open access: yesFrontiers in Plant Science, 2023
The chloroplast genomes of angiosperms usually have a stable circular quadripartite structure that exhibits high consistency in genome size and gene order.
Shenjian Xu   +7 more
doaj   +1 more source

Megaphylogenetic Specimen-Level Approaches to the Carex (Cyperaceae) Phylogeny Using ITS, ETS, and matK Sequences: Implications for Classification [PDF]

open access: yes, 2016
We present the first large-scale phylogenetic hypothesis for the genus Carex based on 996 of the 1983 accepted species (50.23%). We used a supermatrix approach using three DNA regions: ETS, ITS and matK.
Escudero Lirio, Marcial   +7 more
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