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Showing 49401 to 49450 of 59105 works
Deriving Debris‐Flow Dynamics From Real‐Time Impact‐Force Measurements
Understanding the impact forces exerted by debris flows is limited by a lack of direct field measurements and validated numerical models. In this study, we use real‐time impact‐fo…
Sedimentary DNA identifies modern and past macrophyte diversity and its environmental drivers in high‐latitude and high…
Arctic and alpine aquatic ecosystems are changing rapidly under recent global warming, threatening water resources by diminishing trophic status and changing biotic composition. M…
Visualization of texture components using MTEX
Knowledge of the appearance of texture components and fibres in pole figures, in inverse pole figures and in Euler space is fundamental for texture analysis. For cubic crystal sys…
A ∼12 Myr Miocene Record of East Asian Monsoon Variability From the South China Sea
The long‐term evolution of the East Asian Monsoon and the processes controlling its variability under changing climate boundary conditions remain enigmatic. Here, we integrate new…
Fluctuations of the Atlantic North Equatorial Undercurrent and Associated Changes in Oxygen Transports
Abstract Although the core velocity of the Atlantic North Equatorial Undercurrent (NEUC) is low (0.1−0.3 m s−1), it has been suggested to act as an important oxygen supply route …
Quartärforschung: Einleitende Worte
research
Workshop zur Stratifizierung und Korrelation quartärer Ablagerungen in Norddeutschland mittels Provenance-Analysen
[…] Der Workshop „Stratifizierung und Korrelation quartärer Ablagerungen in Norddeutschland mittels Provenance-Analysen“, ausgerichtet vom Staatlichen Geologischen Dienst des Land…
Ein bedeutsames Quartärprofil in einer Höhlenruine bei Hunas/Hartmannshof (Nördliche Frankenalb)
Zum ersten Mal wird von authentischer Seite ausführlicher über die Ergebnisse einer seit 7 Jahren im Gebiete der nördlichen Frankenaib durchgeführten paläontologisch-urgeschichtli…
[Neue Nr. 6409] Freisen / Geologische Karte
Geologische Karte 1: 25 000 mit Erläuterungen. Digitalisat des FID GEO (Fachinformationsdienst Geowissenschaften), erstellt durch das GDZ (Göttinger Digitalisierungszentrum), Kart…
Deep exploration using long-offset transient electromagnetics: interpretation of field data in time and frequency domain
In the framework of the Deep Electromagnetic Soundings for Mineral Exploration project, we conducted ground-based long-offset transient-electromagnetic measurements in a former mi…
Revisiting the light time correction in gravimetric missions like GRACE and GRACE follow-on
The gravity field maps of the satellite gravimetry missions Gravity Recovery and Climate Experiment (GRACE ) and GRACE Follow-On are derived by means of precise orbit determinatio…
Jungdiluviale Tektonik im Oberrheingraben
Die Auswertung von mehr als 1200 Bohrprofilen aus der nordbadischen Rheinebene und Vorderpfalz zwischen Mannheim und Baden-Baden führte zu folgenden Ergebnissen: 1. Die jüngsten R…
Oreocharis sihuiensis (Gesneriaceae), a critically endangered new species from Guangdong Province, China
Oreocharis sihuiensis sp. nov. (Gesneriaceae) is described from Guangdong Province, China. Morphologically, the flower shape of this new species is similar to that of O. dayaoshan…
An exceptional sedimentary record of initial rifting on the East African Plateau in the Miocene: Lessons from depositio…
Knowledge about the initial tectonic and depositional dynamics, as well as the influence of early rifting on climate and environmental evolution remains speculative to a large ext…
On the incorrect use of Spinella for species of Orostachys subsect. Appendiculatae (Crassulaceae)
Recent phylogenomic studies have consistently shown that Orostachys s.l. is polyphyletic and that the traditional subsections Appendiculatae and Orostachys represent distinct line…
A multiverse of trophic networks and coevolutionary trajectories among holoparasitic Orobanchaceae and their animal ass…
Holoparasitism, in achlorophyllous, fully heterotrophic plants, is one of the most peculiar symbioses in the plant world. In particular, holoparasites from Orobanchaceae, the larg…
A revised checklist of Pottiaceae (Bryophyta) in Mongolia
This updated checklist of Mongolian Pottiaceae is based on a thorough review of over 2,000 specimens from HIMC, UBA, and MO, along with published records. A total of 1,030 occurre…
A Review on Photothermal Conversion of Solar Energy with Nanomaterials and Nanostructures: From Fundamentals to Applica…
Solar energy is a green, sustainable, and de facto inexhaustible energy source for mankind. The conversion of solar energy into other forms of energy has attracted extensive resea…
Studies of Vietnamese pteridophyte flora 4: topotype project
Nomenclatural types serve as reference points in biodiversity research, providing a stable foundation for species naming and identification. Despite their critical role in taxonom…
A comprehensive phylogenomic framework for cycads (Cycadales)
Here we present a time-calibrated phylogeny of 346 cycad accessions, covering ≈86% of the 380 accepted species, across all 10 extant genera, inferred from 1,409 single-copy nuclea…
Mikroskleren aus der Familie der Geodiidae Gray 1867 (Demospongea, Choristida) aus dem Oligozän der Leipziger Bucht und…
In den oligozänen Böhlen-Schichten der Leipziger Bucht sind kieselige Mikroskleren gefunden worden, die Schwämmen aus der Familie Geodiidae Gray 1867 zugeordnet werden. Sie werd…
Taxonomic treatment of three Thai Garcinia species (section Brindonia, Clusiaceae), with six lectotypifications and con…
The taxonomy of three Garcinia species—G. bancana, G. costata, and G. parvifolia (section Brindonia, Clusiaceae)—is revised for Thailand. Morphological descriptions, illustrations…
A phylogeny of Uniolinae with a new genus, Eragrostiola and combination, E. spicata (Poaceae, Chloridoideae, Eragrostid…
We present a molecular DNA phylogeny of Uniola utilizing three plastid (rps16-trnK spacer, rps16 intron, rpl32-trnL spacer) and the nuclear ribosomal internal transcribed spacer (…
Ultramafic Carbonated Melt‐ and Auto‐Metasomatism in Mantle Eclogites: Compositional Effects and Geophysical Consequenc…
The mineralogy, chemical composition, and physical properties of cratonic mantle eclogites with oceanic crustal protoliths can be modified by secondary processes involving interac…
A striking new species of Dioon (Zamiaceae) from pine and pine-oak forest of Guerrero, Mexico
Taxonomic studies in cycad genera using multiple approaches have refined the delimitation of many species. In the case of Dioon Lindl., a Mesoamerican genus, a reliable classifica…
Phylogenetic relationships and critical taxonomic notes on the genus Astragalus (Fabaceae) in Kazakhstan (Central Asia)…
In the case of many previously described Astragalus species, more than 3,100 species worldwide, particularly those that are endemic and rare, there is a lack of critical informati…
Pogostemon puerensis (Lamiaceae), a new species from Yunnan of China
Pogostemon is the largest genus in tribe Pogostemoneae (Lamiaceae) and exhibits considerable morphological diversity, which has complicated species delimitation in parts of Southe…
Chronostratigraphische Untersuchungen (14C-Alter) an den Windablagerungen der "Towans" in der südwestenglischen Grafsch…
Zahlreiche Buchten an der Nordwest-Küste Cornwalls werden von ausgedehnten Sandstränden aufgebaut, die durch ästuarin-marine sowie fluviatile Vorgänge entstanden sind. Die Sedimen…
Two new species of Rhipidoglossum (Orchidaceae, Angraecinae) from Central Africa, probably pollinated by settling moths
A revision of Central African specimens of Rhipidoglossum has revealed two new species from the Cameroon Volcanic Line (CVL) and the lowland and peripheric forests of the Guineo-C…
Bergordnung für Göllnitz 1408
Diese Im Stadtbuch von Göllnitz unter dem Jahr 1498 eingetragene Bergordnung für Göllnitz wurde wahrscheinlich 1408 durch den amtierende Kammergrafen erlassen. Zumindest verweist …
Evaluation of genetic diversity and structure of the endangered medicinal plant genus Huperzia (Lycopodiaceae) in China…
Huperzia serrata is an endangered perennial medicinal lycophyte, primarily distributed across most regions of China, eastern and southern Asia, Oceania, and the Americas. It produ…
Dracula aguilarii (Orchidaceae, Pleurothallidinae), a new species from southwestern Ecuador and the first confirmed loc…
The genus Dracula comprises more than 130 species of epiphytic orchids, with its highest diversity in the northern Andes of Colombia and Ecuador. Here, we describe Dracula aguilar…
Morphological and genomic data from Belgian naturalised populations reinstate the enigmatic Lathyrus platyphyllos (Faba…
The genus Lathyrus L. (Fabaceae) is represented in Belgium by several native and alien species, amongst which the Lathyrus sylvestris–latifolius complex has long posed taxonomic d…
Systematics of Parnassia (Celastraceae) inferred from plastid and nuclear DNA sequence data
We presented a comprehensive phylogenetic analysis of Parnassia covering approximately 80% of recognized species. By integrating five plastid markers (rbcL, matK, rpl32-trnL, trnT…
Aristolochia ferox, a new species of subg. Siphisia (Aristolochiaceae) from Guangxi, China
Aristolochia ferox is described as a new species endemic to the Jiuwanshan Mountains, northern Guangxi, China. It is morphologically similar to A. championii, A. quangbinhensis, I…
Junge Böden der Niederlausitz
[...] Die Entstehung von Böden ist ein komplexes Zusammenspiel verschiedener Faktoren wie Klima, Relief und Zeit, wobei mitteleuropäische Böden als nacheiszeitliche Bildungen im g…
Taxonomic and nomenclatural notes on Salix (Salicaceae) from northern China
This study designates lectotypes for 20 names of Salix from northern China: Salix bikouensis var. villosa, S. flavida, S. gordejevii, S. hsinganica, S. juparica, S. matsudana var.…
A vouchered and georeferenced checklist of the endemic vascular plant species of the Lesser Sunda Islands highlights da…
A checklist of the 319 endemic vascular plants of the Lesser Sunda Islands is presented, derived from specimen data and expert-verified georeferences. The majority of these endemi…
Geomorphologie der alpinen Stufe des Chirripó in Costa Rica
Im Relief der alpinen Stufe des Chirripó in Costa Rica sind über der heutigen Waldgrenze bei 3400 m Höhe drei Reliefgenerationen nachzuweisen. Die erste ist vorkaltzeitlich. In ih…
Morphological and genetic evidence support the reinstatement of the long-forgotten Telipogon teuscheri (Orchidaceae, On…
Telipogon teuscheri, a rare orchid species from southwestern Ecuador, was described by Garay in 1958, but has long been forgotten after being placed in synonymy with T. tesselatus…
Corrigendum: Xu D, Li L, Zhang B, Song Z (2026) Morphological and molecular evidence support the inclusion of Mycetia h…
In our recent work (Xu et al. 2026), we failed to directly cite the basionym when publishing the new combination Mouretia hainanensis. This omission renders the combination nomenc…
Five new synonyms in Impatiens (Ericales, Balsaminaceae) from China
Species of Impatiens L. on the Yunnan–Guizhou Plateau show exceptionally high diversity, but inadequate early regional surveys have led to persistent taxonomic ambiguity. Critical…
Anwendung statistischer Methoden auf Ergebnisse der Schwermineralanalyse pleistozäner Sedimente bei Nochern (Mittelrhei…
Es wurden Schwermineraluntersuchungen pleistozäner Sedimente am südlichen Mittelrhein bei Nochern durchgeführt. Ziel war es, Vorstellungen über die Fehlerquellen in der Schwermine…
Continuum-mechanical, Anisotropic Flow model for polar ice masses, based on an anisotropic Flow Enhancement factor
A complete theoretical presentation of the Continuum-mechanical, Anisotropic Flow model, based on an anisotropic Flow Enhancement factor (CAFFE model) is given. The CAFFE model is…
Molecular and morphological evidence supports transferring Sacosperma (Rubiaceae, Rubioideae) from Spermacoceae to Knox…
The genus Sacosperma (Rubiaceae) comprises two species of lianas occurring in tropical African rainforests. It is currently placed in tribe Spermacoceae, but morphological evidenc…
Lectotypification of ten names of Carex hybrids (Cyperaceae), with notes on their morphology, habitat, and distribution
Lectotypes are designated for ten names of Carex hybrids based on material deposited in the B, BP, and WRSL herbaria. Morphological comparison between the hybrids and their parent…
Ein neues Eem-Vorkommen bei Proschim im Süden Brandenburgs
[...] In dem Beitrag wird ein neu entdecktes Sedimentvorkommen der Eem-Warmzeit beschrieben, das im Vorfeld des Tagebaus Welzow-Süd bei Proschim durch eine Erkundungsbohrung der V…
Pittosporum qibainongense (Pittosporaceae), a new species from karst areas of southwest China
Pittosporum qibainongense Y.S.Huang, Yan Liu & Y.F.Deng, a new species of Pittosporaceae, is described and illustrated from karst areas of southwest China. It is morphologically s…
Novelties in Uvaria (Annonaceae) from West Africa
A new species of Uvaria (Annonaceae) from Liberia, only known from one fruiting collection, is described and illustrated. Uvaria tobliensis sp. nov. differs from all other African…
Typification and new synonyms of tea (Camellia sinensis, Theaceae) and one of its infraspecific taxa
Tea, Camellia sinensis, is a world-widely popular beverage source shrub. Its basionym, Thea sinensis, was lectotypified as a vague illustration, which cannot precisely exhibit the…
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