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Showing 49451 to 49500 of 59105 works
Subsoil classification and geotechnical zonation for Guadalajara City, México: Vs30, soil fundamental periods, 3D struc…
Guadalajara, Jalisco, is the second largest city in Mexico with around 4.5 million inhabitants. A high seismic hazard exists in the city due to forces produced by the interaction …
Monotropa callistoma (Ericaceae), a new species based on morphological and molecular evidence from Hunan, China
The subfamily Monotropoideae (Ericaceae) comprises unique non-photosynthetic and mycoheterotrophic plants. Their extensive morphological reduction often poses significant challeng…
The floral morphology of Pseudosasa nanunica (Poaceae, Bambusoideae)
Pseudosasa nanunica, a bamboo endemic to Guangdong and Hunan provinces, China, has a complicated taxonomic history due to lack of information on its floral morphology. It was init…
Improving solar radiation pressure modeling for GLONASS satellites
The Russian Global Navigation Satellite System (GLONASS) satellites have a stretched body shape and take a specific attitude mode inside the eclipse. Based on previous studies, th…
The Pleurothallis crateriformis complex (Orchidaceae): undescribed diversity and pollination biology of a newly recogni…
A new complex of species is recognized within Pleurothallis subgenus Pleurothallis section Macrophyllae-Fasciculatae, comprising P. crateriformis, P. equipedites, P. nipterophylla…
Integration of leaf traits supports the current circumscription of Afgekia Craib. and Padbruggea Miq. (Fabaceae, Wister…
Accurate delimitation of Afgekia and Padbruggea, two morphologically similar genera in the tribe Wisterieae (Fabaceae), has long posed challenges by overlapping vegetative traits,…
Morphological and molecular evidence support the inclusion of Mycetia hainanensis in Mouretia (Rubiaceae)
A key diagnostic feature of the genus Mycetia is its berry-like fruits, which distinguish it from its capsular-fruited relatives in the tribe Argostemmateae. However, the fruit ch…
Knowledge base and online identification key of native Asian thorny bamboos within Bambusa (Bambusoideae, Poaceae)
This study presents a checklist of 13 species of thorny bamboos native to Asia and documents them to contribute to a broader understanding of their morphology. To support this lis…
Angiopteris weimingii (Marattiaceae): a new endangered fern species from southern Yunnan, China, revealed by morphology…
Angiopteris weimingii, a morphologically distinct new species of Angiopteris (Marattiaceae) from southern Yunnan, China, is described. Compared with A. itoi, the new species can b…
Nomenclature and typification of Polygala nicaeensis (Polygalaceae) and its infraspecific taxa
Polygala nicaeensis is a circum-Mediterranean species with uncertain infraspecific taxonomy, currently split into eight subspecies. As a first step of an ongoing taxonomic and sys…
Predictions of planets for 586 exosystems and a method for predicting planets in multi-planetary exosystems
We have applied a model of planetary system formation in the field of a standing sound wave (the ‘SSW-Model’) to the prediction of planets in 586 multi-planetary exosystems (384 b…
Revisiting Acalypha medicinal interest: ethnobotany, experimental studies, and the implications of taxonomic misuse pit…
Acalypha L. (Euphorbiaceae) is a pantropical genus comprising approximately 470 species, many of which have been traditionally used to treat human and animal ailments. Despite its…
Taxonomic novelties and phylogenetic insights on Gilliesieae (Allioideae, Amaryllidaceae) from Chile
Tribe Gilliesieae (Allioideae, Amaryllidaceae) comprises bulbous plants characterized by their zygomorphic flowers and a distribution restricted to Chile, Argentina, Peru, and Bol…
Taxonomic treatment of three Garcinia species (section Brindonia, Clusiaceae) in Thailand, with six new synonyms and te…
The taxonomy of three Garcinia species, G. cowa var. cowa, G. oliveri, and G. schomburgkiana (section Brindonia, Clusiaceae), is revised for Thailand. All three species have edibl…
Die Entwicklung der nordostdeutschen Ströme unter dem Einfluß jüngster tektonischer Bewegungen
[…] Der Text behandelt die klimatischen und ökologischen Veränderungen in Europa während des Spätglazials und Holozäns auf Grundlage hochauflösender Sedimentarchive. Anhand von St…
Sidescan sonar meets airborne and satellite remote sensing: challenges of a multi-device seafloor classification in ext…
Tidal ecosystems like the Wadden Sea are particularly valuable for their ecological and economic importance. Here, the natural dynamics of the abiotic and biotic processes is thre…
Modellentwicklung zur Berechnung des höchsten Grundwasserstandes im Land Berlin
[...] Dieser Fachartikel beschreibt die Entwicklung eines mathematischen Grundwasserströmungsmodells zur Ermittlung des „zu erwartenden höchsten Grundwasserstandes“ (zeHGW) im Ber…
Olindias deigo sp. nov., a new species (Hydrozoa, Trachylinae, Limnomedusae) from the Ryukyu Archipelago, southern Japan
A new hydromedusa belonging to the order Limnomedusae is reported from the Ryukyu Archipelago, southern Japan. Olindias deigo sp. nov. can be distinguished from other Olindiidae s…
Notes on the genus Psychostrophia Butler, 1877 (Lepidoptera, Epicopeiidae), with description of a new species
New information on the genus Psychostrophia Butler, 1877 is provided. A new species, Psychostrophia micronymphidiaria Huang & Wang, sp. nov., is described from western, northern a…
Description of the male of Craugastor yucatanensis (Lynch, 1965) (Anura, Craugastoridae), its advertisement call, and a…
The male of Craugastor yucatanensis (Lynch, 1965) is described for the first time, as the original description was based on four females. The advertisement call is described and a…
Four millennia of vegetation and environmental history above the Hyrcanian forest, northern Iran
Past vegetation, fire, and climate dynamics, as well as human impact, have been reconstructed for the first time in the highlands of the Gilan province in the Alborz mountains (ab…
Revision of fossil Metretopodidae (Insecta, Ephemeroptera) in Baltic amber – Part 4: Description of two new species of …
The Siphloplecton jaegeri species group is established here for three extinct species, namely for the earlier described Siphloplecton jaegeri Demoulin, 1968, and for two new speci…
A new species of stygobitic snail in the genus Antrorbis Hershler & Thompson, 1990 (Gastropoda, Cochliopidae) from the …
A new species of cave snail (Littorinimorpha: Cochliopidae) in the genus Antrorbis is described from the dark zone of two caves in the Appalachian Valley and Ridge province in eas…
Bilanzierung der Klimawirkung von Moorböden in Schleswig-Holstein.
Abstract: Peatlands store and accumulate large amounts of carbon and play an important role in climate change. After centuries of ongoing land use and drainage, peatlands nowada…
The Hydradephaga (Coleoptera, Haliplidae, Gyrinidae, and Dytiscidae) fauna of Cape Breton Island, Nova Scotia, Canada: …
The Haliplidae, Gyrinidae, and Dytiscidae (Coleoptera) of Cape Breton Island, Nova Scotia, Canada were surveyed during the years 2006–2007. A total of 2027 individuals from 85 spe…
Taxonomic study of Thiotricha Meyrick (Lepidoptera, Gelechiidae) in Japan, with the description of two new species
A part of Japanese species of the genus Thiotricha Meyrick, 1886 are reviewed. Three species described by Omelko (1984) in the genus Cnaphostola Meyrick, 1918 are placed in combin…
The first Elcanidae (Orthoptera, Elcanoidea) from the Daohugou fossil bed of northeastern China
A new species of Elcanidae (Orthoptera, Elcanoidea), Parelcana pulchmacula sp. nov., is described based on four new specimens from the Middle Jurassic Jiulongshan Formation of nor…
DNA barcodes reveal 63 overlooked species of Canadian beetles (Insecta, Coleoptera)
This study demonstrates the power of DNA barcoding to detect overlooked and newly arrived taxa. Sixty-three species of Coleoptera representing 25 families are studied based on DNA…
Variation in the number of testicular follicles and ovarioles among 18 lacewing species of the families Myrmeleontidae,…
The representatives of the lacewing families Myrmeleontidae, Ascalaphidae, and Nemopteridae (the suborder Myrmeleontiformia) were studied with reference to the number of testicula…
A new sawfly of Megalodontesidae (Insecta, Hymenoptera, Pamphilioidea) with pectinate antennae from the Early Cretaceou…
A new sawfly of Megalodontesidae, Jibaissodes peichenae sp. nov., is described from the Lower Cretaceous Yixian Formation of Northeastern China. It is established mainly based on …
Jawless land snail Sinorachis, a new bradybaenine genus from China (Eupulmonata, Camaenidae)
A new land snail species that represents a new genus is reported from Hubei, China. The snail has a conical shell with pits and/or granules on embryonic whorls and a smooth teleoc…
Increased petrogenic and biospheric organic carbon burial in sub‐Antarctic fjord sediments in response to recent glacie…
Fjords are recognized as hotspots of organic carbon (OC) burial in the coastal ocean. In fjords with glaciated catchments, glacier discharge carries large amounts of suspended mat…
A new petrophilous tiger beetle from the Trans-Pecos region of Texas and revised key to the genus Amblycheila (Coleopte…
A new rock-dwelling (petrophilous) tiger beetle, Amblycheila katzi Duran & Roman, sp. nov. is described from calcareous canyons and steep hillsides in the Trans-Pecos region of we…
Evolution and structure of the Upper Rhine Graben — quantitative insights from numerical modelling approaches
The Upper Rhine Graben forms the major segment of the Cenozoic Rift system of Western Europe. Although the rift was the target of many seismic and geological investigations, the s…
Die Kombination geomorphologischer und prähistorischer Arbeitsmethoden bei der Lösung paläo-geographischer Fragen in de…
Die nördliche Eastern Desert Ägyptens ist gekennzeichnet durch eine Vielzahl flächenhaft verbreiteter, teilweise ineinandergreifender Systeme von Fußflächen und Wadisedimenten. Be…
Morphometric analysis of fossil bumble bees (Hymenoptera, Apidae, Bombini) reveals their taxonomic affinities
Bumble bees (Bombus spp.) are a widespread corbiculate lineage (Apinae: Corbiculata: Bombini), mostly found among temperate and alpine ecosystems. Approximately 260 species have b…
Clouds, radiation, and atmospheric circulation in the present‐day climate and under climate change
By interacting with radiation, clouds modulate the flow of energy through the Earth system, the circulation of the atmosphere, and regional climate. We review the impact of cloud‐…
Annamanum flavimaculatum, a new species of longhorn beetle (Coleoptera, Cerambycidae) from China
Annamanum flavimaculatum sp. nov. is described and illustrated from Guizhou and Guangxi, China. Diagnosis for distinguishing the new species to its close congeners is presented an…
Scolopostethus affinis (Schilling) (Hemiptera, Heteroptera, Rhyparochromidae, Drymini): a new alien established in Nort…
Scolopostethus affinis, a species native to the Palearctic region, is reported from two localities in Montreal, Quebec. The species appears established and breeding in Quebec and …
Three new species of the genus Centistidea Rohwer, 1914 (Hymenoptera, Braconidae, Miracinae) from India and Saudi Arabia
Centistidea acrocercopsi Ahmad & Pandey, sp. nov., C. cosmopteryxi Ahmad & Pandey, sp. nov., and C. tihamica Ghramh & Ahmad, sp. nov. are described as new to science. The genus Ce…
Two new species of braconid wasps (Hymenoptera, Braconidae) from India
Two new species viz., Pambolus (Phaenodus) shujai sp. nov., and Parachremylus trachysi sp. nov., of braconid wasps are described as new to science. Parachremylus trachysi sp. nov.…
Ökohydrologische Aspekte zur Erhaltung von Moorgewässern
Von 186 natürlichen Gewässern im Flachland Niedersachsens liegen 48 % in Mooren und Anmooren. Auch die drei größten Binnenseen Steinhuder Meer, Dümmer und Zwischenahner Meer sind …
Description of a new leafhopper species of the genus Longicornus (Hemiptera, Cicadellidae, Deltocephalinae) from China,…
A new leafhopper species Longicornus brevispinus sp. nov. is described and illustrated from Yunnan Province, China. A key to distinguish all species of this genus is given, and a …
Zeitschrift für Geophysik, 20 / 4
Dieminger, W.: Erdmagnetismus und Ionosphäre . . . . . . 167 ; Rawer‚K.: Die traditionellen Meßgrößen für die ”sporadische ES-Schicht” . 188 ; Jung‚ K.: Betrachtungen zum drei…
A review of the genus Sinocentrus Yuan (Hemiptera, Membracidae, Centrotinae) with description of a new species from Chi…
A new species of the treehopper genus Sinocentrus Yuan, S. brevicornis Li & Chen, sp. nov. from China, is described and illustrated. A checklist and key to species of the Sinocent…
First record of Cicadellidae (Insecta, Hemiptera, Auchenorrhyncha) from Eocene Sakhalinian amber
Sakhalotettix eocenicus gen. & sp. nov., the first leafhopper reported from middle Eocene Sakhalinian amber, is described and illustrated. The fossil cicadellid resembles modern X…
Remarkable confusion in some Western Palearctic Clepsis leads to a revised taxonomic concept (Lepidoptera, Tortricidae)
The taxonomy of some Palearctic species of the genus Clepsis Guenée, 1845 (Lepidoptera, Tortricidae), in particular C. neglectana sensu auctt. and C. consimilana sensu auctt., is …
Distribution and current conservation status of the Mexican Goodeidae (Actinopterygii, Cyprinodontiformes)
The current distribution and abundance of the 40 species of Goodeidae fishes known from Mexico are described, and a total of 84 Evolutionarily Significant Units (ESUs) is designat…
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