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Showing 52001 to 52050 of 59105 works
Stability and Solubility of the FeAlO3 Component in Bridgmanite at Uppermost Lower Mantle Conditions
We report the stability and solubility of the FeAlO3 component in bridgmanite based on phase relations in the system MgSiO3-FeAlO3 at 27 GPa and 2000 K using a multi-anvil apparat…
Mind the gap: DNA barcoding on Pachygrapsus crabs
DNA barcode databases for marine invertebrates faces significant challenges, with several species revealing taxonomic issues like misidentification, ambiguity or shared barcodes. …
Markers or metagenomes: sequencing marine eukaryotic DNA for better biodiversity surveys
Marker gene sequencing (“metabarcoding”) is the primary sequencing approach currently used for molecular biodiversity surveys, but this approach is taxonomically limited and hampe…
DNA metabarcoding reveals the influence of land cover and farming on the dietary composition of a spider-specialist bat
Human-driven landscape transformations are the primary factors driving biodiversity changes in the present century. For insectivorous bats, land-use modifications and intensificat…
Geostandards and Geoanalytical Research Bibliographic Review 2021
This GGR Bibliographic Review is a survey of approximately 5200 geoanalytical publications for the year 2021. Selected articles, numbering over 340, containing measurement results…
Microbial biodiversity and metabolic functioning in sediments of coastal dune lakes on a remote island
Molecular-based techniques provide the potential for novel insights into the functioning of ecosystems, especially those that are globally rare such as coastal dune lakes. In the …
Case study of non-lethal sampling for plant-pollinator networks via barcoding and metabarcoding on bumble bees in Germa…
1. Insect decline is threatening ecosystem stability, making information about foraging preferences of pollinators a vital piece of information to acquire. A powerful emerging too…
An annotated reference library for supporting DNA metabarcoding analysis of aquatic macroinvertebrates in French freshw…
Freshwater ecosystems are increasingly threatened by human activities, leading to biodiversity loss and ecosystem degradation. Effective biodiversity monitoring, particularly thro…
Responses of soil organic carbon, aggregate diameters, and hydraulic properties to long‐term organic and conventional f…
Organic matter management can improve soil structural properties. This is crucial for agricultural soils in tropical regions threatened by high rainfall intensities. Compared to c…
Comparing morphological and DNA-based bioassessment methodologies for macroinvertebrates in Neotropical streams: a case…
As unimpacted freshwater environments decline worldwide, developing effective and accurate biomonitoring approaches is critical for detecting ecosystem deterioration and facilitat…
What is eDNA method standardisation and why do we need it?
The rapid advancement of environmental DNA (eDNA) science in the past two decades has inspired a concomitant growth in the development of eDNA sampling and analytical methods. How…
Technology Readiness Level of biodiversity monitoring with molecular methods – where are we on the road to routine impl…
Human activities are causing rapid biodiversity loss across ecosystems, affecting human well-being and crucial ecosystem services. Traditional biodiversity monitoring tools cannot…
New fjords, new coasts, new landscapes: The geomorphology of paraglacial coasts formed after recent glacier retreat in …
Changes in the properties and dynamics of tidewater glacier systems are key indicators of the state of Arctic climate and environment. Calving of tidewater glacier fronts is curre…
Inter-laboratory ring test for environmental DNA extraction protocols: implications for marine megafauna detection usin…
The comparability of methods applied to environmental DNA (eDNA) samples across laboratories remains a significant challenge for biodiversity monitoring on a global scale. Perform…
The MIEM guidelines: Minimum information for reporting of environmental metabarcoding data
Environmental DNA (eDNA) and RNA (eRNA) metabarcoding has become a popular tool for assessing biodiversity from environmental samples, but inconsistent documentation of methods, d…
Assessing the impact of tidal changes on fish environmental DNA metabarcoding in temperate and tropical coastal regions…
Environmental DNA (eDNA) analysis is a valuable tool for detecting species presence in coastal environments. However, its effectiveness can be influenced by factors such as diffus…
Bergordnung für St. Joachimsthal 1518
Bergordnung für St. Joachimsthal, vom 2. August 1518. Basis dieser Bergordnung bildet die Bergordnungen für St. Annaberg vom 5. Februar 1509. Die 103 Paragraphen der Annaberger Be…
Homogenization of insect bulk samples yields more comprehensive yet comparable biodiversity data than non-destructive l…
The rapid advancement of molecular biodiversity monitoring tools, particularly DNA metabarcoding, has improved specimen identification in bulk samples, such as those from Malaise …
Comparison of the biodiversity of epiphytic diatoms in the Euphrates-Tigris rivers using morphological and metabarcodin…
The Euphrates-Tigris catchment area is one of the major drainage basins in the Middle East but climate change, overuse of waters and subsequent salinization has brought this regio…
NAMERS: a purpose-built reference DNA sequence database to support applied eDNA metabarcoding
Applied eDNA metabarcoding is increasingly being considered as a tool to inform management decisions, regulations, or policy development. Because these downstream considerations a…
Die nördliche Fortsetzung des Vilbeler Horstes (Blatt 5718 Ilbenstadt/Rodheim)
[…] Anhand von Bohrdaten aus flachen Erdwärmebohrungen und deren lithostratigraphischer Auswertung wird der tektonische Bau der südlichen Wetterau neu interpretiert. Zwei geologis…
A morphological and high throughput sequencing workflow to identify Australian ants (Hymenoptera, Formicidae): a new to…
Ants are often the most ubiquitous and ecologically influential components of terrestrial systems, exhibiting an exceptionally high level of endemic diversity. Simultaneously, exo…
Benchmarking the discrimination power of commonly used markers and amplicons in marine fish (e)DNA (meta)barcoding
Environmental DNA (eDNA) metabarcoding is revolutionising the study of aquatic ecosystems, enabling high-throughput analysis of biodiversity with minimal disturbance. Despite its …
The ASV Registry: a place for ASVs to be
Despite the effectiveness of DNA metabarcoding for gaining insights into biodiversity and environmental species composition, a centralised management and storage option including …
Ökotechnische Aspekte der Hochmoor-Regeneration
In Niedersachsen werden während der nächsten zwei bis drei Jahrzehnte vermehrt industriell teilabgetorfte Hochmoorflächen (= Leegmoor) nach dem Ende der Abtorfung zurückgegeben, i…
Centering accessibility, increasing capacity, and fostering innovation in the development of international eDNA standar…
Environmental DNA (eDNA) includes a set of rapidly emerging technologies that have the potential to support environmental monitoring and biodiversity conservation through novel, n…
Hidden in the blow - a matrix to characterise cetaceans’ respiratory microbiome: short-finned pilot whale as case study
Cetaceans are key sentinel species of marine ecosystems and ocean health, being a strategic taxonomic group that evaluates the well-being of aquatic habitats and detects harmful e…
Influence of storage time on the stability of diatom assemblages using DNA from riverine biofilm samples
DNA sequencing of diatom assemblages from biofilms has already been used to assess the ecological status of freshwater in the UK. However, recent work using DNA data from these bi…
Microstructures of fibrous halite veins
Halite veins hosted in clastic sedimentary rocks are frequently observed next to evaporite layers. Their microstructure can be enhanced by gamma irradiation and etching, which can…
Optimising eDNA analysis for urban otter monitoring: seasonal patterns, detection strategies and prey availability
Significant advancements in environmental DNA (eDNA) analysis technology have led to its widespread adoption for species monitoring. However, the low DNA concentration in eDNA oft…
Optimising species detection probability and sampling effort in lake fish eDNA surveys
Environmental DNA (eDNA) metabarcoding is transforming biodiversity monitoring in aquatic environments. Such an approach has been developed and deployed for monitoring lake fish c…
Grundwasser-Monitoring und EU-Wasserrahmenrichtlinie – Messnetzkonzeption aus hydrogeologischer Sicht
[...] Die EU-Wasserrahmenrichtlinie (WRRL) vom Oktober 2000 bildet die Grundlage für eine nachhaltige Wasserwirtschaft in Europa. Der Autor kritisiert die Richtlinie jedoch hinsic…
Improving understanding of nematode communities in agricultural settings: a comparison of mitometagenomics and morpholo…
Florida’s strawberry production provides significant economic benefit for the State; however, plant-parasitic nematodes (PPNs) pose a significant barrier to production. A better u…
Net type, tow duration and day/night sampling effects on the composition of marine zooplankton derived from metabarcodi…
DNA metabarcoding requires only a single DNA fragment to detect a species in mixed zooplankton samples, compared to morphology-based methods that rely on the presence of intact sp…
Nanopore duplex sequencing as an alternative to Illumina MiSeq sequencing for eDNA-based biomonitoring of coastal aquac…
Oxford Nanopore Technologies has recently launched a duplex sequencing strategy and announced an improved error rate which is in a similar order of magnitude as Illumina sequencin…
Simple approaches for evaluation of OTU quality based on dissimilarity arrays
An accurate and complete taxonomic description of the diversity present in an environmental sample is out of reach at this time. Instead, metabarcoding is used today and it is exp…
Assessing the diversity of nematodes in the Store Mosse National Park (Sweden) using metabarcoding
The Store Mosse National Park in the south of Sweden was surveyed for nematode diversity and distribution using DNA metabarcoding. Fifty samples were collected from five vegetatio…
Stand der Renaturierung nach industriellem Torfabbau (Mai 1995)
Nach dem niedersächsischen Naturschutzgesetz sollen 30.000 ha Abbauflächen renaturiert werden. Aktuell wurden auf 6.500 ha Maßnahmen zur Herrichtung zum Abschluß gebracht. Nach wei…
Halamphora taxa in Hungarian soda pans and shallow soda lakes detected via metabarcoding and microscopic analyses
The research presented investigates whether DNA-based metabarcoding can replace the morphology-based identification of diatom taxa in the ecological status assessments of aquatic …
Abundance estimation with DNA metabarcoding – recent advancements for terrestrial arthropods
Biodiversity is declining at alarming rates worldwide and large-scale monitoring is urgently needed to understand changes and their drivers. While classical taxonomic identificati…
Natrix2 – Improved amplicon workflow with novel Oxford Nanopore Technologies support and enhancements in clustering, c…
Sequencing of amplified DNA is the first step towards the generation of Amplicon Sequence Variants (ASVs) or Operational Taxonomic Units (OTUs) for biodiversity assessment and com…
Zum geologisch-tektonischen Bau des Deckgebirges und Subsalinars im thüringischen Werra-Kaligebiet
[…] Der Beitrag präsentiert neue Ergebnisse zur geologisch-tektonischen Analyse des ehemaligen DDR-Anteils des Werra-Kaligebiets. Im Mittelpunkt stehen lineare tektonische Struktu…
Evaluating five primer pairs for environmental DNA metabarcoding of Central European fish species based on mock commun…
Environmental DNA (eDNA) metabarcoding has become a powerful tool for examining fish communities. Prior to the introduction of eDNA-based assessments into regulatory monitoring co…
Climate change impacts on potential maize yields in Gambella Region, Ethiopia
Changing climate conditions are supposed to have particularly strong impacts on agricultural production in the tropics with strong implications on food security. Ethiopia’s econom…
Does phylogeny explain bias in quantitative DNA metabarcoding?
Estimating species biomass or abundance from the number of high-throughput sequencing (HTS) reads is an aspirational goal for DNA metabarcoding, yet studies have found varied corr…
Marine gravimetric and magnetic investigations within the area of the southeastern Mediterranean Sea and the northern s…
The southeastern Mediterranean Sea and the northern section of Egypt constitutes one of the most complex tectonic areas in the Mediterranean. This study is an attempt to achieve a…
Maximizing the reliability and the number of species assignments in metabarcoding studies using a curated regional lib…
Biodiversity assessments relying on DNA have increased rapidly over the last decade. However, the reliability of taxonomic assignments in metabarcoding studies is variable and aff…
Can the Eurasian otter (Lutra lutra) be used as an effective sampler of fish diversity? Using molecular assessment of o…
The Eurasian otter Lutra lutra is a generalist carnivore that is widely distributed in many aquatic ecosystems. Based on its inherent attributes of opportunistic foraging behaviou…
Non-destructive insect metabarcoding as a surveillance tool for the Australian grains industry: a first trial for the i…
Surveillance and long-term monitoring of insect pest populations are of paramount importance to limit dispersal and inform pest management. Molecular methods have been employed in…
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