Results 81 to 90 of about 4,987 (217)

Drought‐driven lipid deficits in overwintering monarch butterflies revealed by δ2H and fatty acid analysis

open access: yesEcosphere, Volume 17, Issue 3, March 2026.
Abstract Eastern populations of monarch butterflies (Danaus plexippus) overwinter in the central trans‐volcanic belt of Mexico, relying primarily on lipids accumulated during migration to sustain this several‐month‐long overwintering period. This study shows how drought conditions in north‐central Mexico influenced lipid dynamics in monarchs ...
Libesha Anparasan   +5 more
wiley   +1 more source

Warming‐Mediated Decreases in Nectar Quality Translate Into Lower Energy Reserves of the Monarch Butterfly (Danaus plexippus)

open access: yesGlobal Change Biology Communications, Volume 1, Issue 1, March 2026.
Warming caused a significant decrease in monarch fat mass, likely due to an observed reduction in sucrose concentration caused by warming of the nectar. Since sucrose fuels fall migration and overwintering, our results suggest climate warming may reduce migration success and overwinter survival.
Katherine Peel   +3 more
wiley   +1 more source

Aspects of the Activities of the Russian Command in the Lower Danube during the First World War

open access: yesJournal of Danubian Studies and Research, 2018
The region of the lower Danube has always been of great strategic importance. During the First World War, there were important military bases of the Russian Empire, so the Russian command took measures to protect the region.
Ivan Tatarinov
doaj  

Cultural landscapes in the lower Danube area. Experimenting tell settlements

open access: yesDocumenta Praehistorica, 2008
In archaeological research Chalcolithic tells are generally approached as distinct, decontextualized, architectural objects, separated from the other cultural traits which form a whole dwelling complex. A goal of the present paper is to present tells as part of a larger dwelling strategy, under the form of a cultural landscape structured by numerous ...
openaire   +4 more sources

Early Use of Lime Mortar at the Early Iron Age Piscina Torta Salt Production Site (Tiber Delta, Ostia, Italy)

open access: yesGeoarchaeology, Volume 41, Issue 2, March/April 2026.
ABSTRACT This study presents new evidence for the early use of lime mortar during the Early Iron Age at the Piscina Torta site (Ostia, Italy), situated on the earliest Holocene beach ridges in the southern Tiber delta. The site, which was earlier described as a briquetage site, dates from between the late 8th and 6th century BCE and consists of a large
Francesca Bulian   +5 more
wiley   +1 more source

Mesolithic fish and fishermen of the Lower Danube (Iron Gates)

open access: yesDocumenta Praehistorica, 2010
This study analyzes the importance of fishing as part of the survival strategies of the Mesolithic and Early Neolithic groups of the Danube Iron Gates. It considers the species of fish present in the archaeological record of the Iron Gates sites, ecology, and possible fishing tools and techniques, in order to determine if the quantities caught during ...
openaire   +3 more sources

Asexuality Disclosure in Healthcare: Attachment and Patient‐Reported Experiences in a Cross‐Sectional Pilot Survey

open access: yesHealth Science Reports, Volume 9, Issue 3, March 2026.
ABSTRACT Background and Aims Asexual adults often report misunderstandings during clinical encounters. We described romantic attachment (ECR‐R anxiety/avoidance) in an asexual sample and tested whether disclosure in medical settings was associated with feelings of misunderstanding, stigma, and a (dis) comfort‐discussing orientation.
Kyung‐Eun (Anna) Choi   +2 more
wiley   +1 more source

UN NEGUSTOR DIN BRĂILA ÎN SLUJBA FRAȚILOR GHEORGHIEV: IANKO NEDELKOVICI (1853–1856)

open access: yesAnalele Universităţii "Dunărea de Jos" din Galaţi. Fascicula XIX, Istorie
In this article, we present the commercial relationship between the merchant Ianko Nedelkovich from Brăila (the representative of the company ‘Hagi Petre and Nedelkovich brothers’) and the Bulgarian brothers Evlogi and Hristo Georgiev, events that took ...
Cristian Constantin
doaj   +1 more source

Pour une prosopographie chrétienne du Bas-Danube (IIIe-VIIe siècles) [PDF]

open access: yesPeuce, 2014
Until now, from the great project Prosopographie chrétienne du Bas-Empire, the volumes on Africa, Italy and Asia have been published. An onomastic corpus of Christians from the Lower Danube region would naturally be part of the above-mentioned collection.
Nelu ZUGRAVU
doaj  

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