Results 41 to 50 of about 5,435 (227)

Phylogeography and Contact Zones of the Common Grass Snake in Poland (Squamata: Natricidae: Natrix natrix)

open access: yesZoologica Scripta, Volume 55, Issue 2, Page 209-219, March 2026.
ABSTRACT Until now, the genetic identity of common grass snakes (Natrix natrix) in Poland remained poorly understood. This study presents the first comprehensive phylogeographic analysis for Poland using mitochondrial DNA sequences (cyt b and ND4 + tRNAs) and 13 nuclear microsatellite loci.
Andrea Criado‐Flórez   +12 more
wiley   +1 more source

The Kaliningrad Question in the National Security of the Russian Federation

open access: yesAvrasya İncelemeleri Dergisi
In 1991, after the dissolution of the Soviet Union, the Kaliningrad region, which gained the status of an exclave, emerged as an important topic of discussion in Russian domestic and foreign policy discourse in the post-Soviet period and gained a ...
Elterişhan Elçibey
doaj   +1 more source

A graduated nativeness definition for overcoming dilemmas and difficulties of vascular plant species

open access: yesOikos, Volume 2026, Issue 2, February 2026.
Nativeness is a concept central to biodiversity conservation and invasion biology, but there are several problems related to a classic binary nativeness definition. Dilemmas arise from the dynamic nature of species' distribution ranges on longer time scales, and difficulties arise in the application to smaller regions defined by arbitrary borders, and ...
Camilla T. Colding‐Jørgensen   +3 more
wiley   +1 more source

Kiri Karl Morgensternile, Kaliningrad [PDF]

open access: yes
http://tartu.ester.ee/record=b1825650~S1 ...
Kalckreuth, Friedrich Adolf von
core   +4 more sources

Cross-border cooperation in tourism between the Warmian-Masurian voivodeship and the Kaliningrad region [PDF]

open access: yesBaltic Region, 2013
The border location of the Warmian-Masurian voivodeship and the Kaliningrad region is a prerequisite for active cooperation at different institutional levels.
Batyk Iwona, Semenova Lyudmila
doaj   +1 more source

Kaliningrad in focus: policy recommendations in the perspective of problem-solving [PDF]

open access: yes, 2011
"During 2002 there was a growing inter-national realisation that the Kaliningrad Oblast of the Russian Federation (KO) needs more attention than it has received in recent years. The aim of this paper is to contribute to a more frank and innovative debate

core  

Qualifying Coal: Materiality and the Transformation of Import Supply Chains in Poland

open access: yesGeo: Geography and Environment, Volume 13, Issue 1, January‐June 2026.
Short Abstract This article examines how the 2022 embargo on Russian coal reshaped coal supply and everyday energy provision in northern Poland. Drawing on ethnographic fieldwork, it shows how traders and households learned to work with unfamiliar coal varieties whose material properties differed from the Russian fuel they had previously relied on. The
Magdalena Dąbkowska
wiley   +1 more source

Host–parasite oxidative arms race: who will win?

open access: yesJournal of Avian Biology, Volume 2026, Issue 1, January 2026.
Avian haemosporidian parasites are globally widespread with a broad repertoire of hosts. When infected, the host can either reduce (resistance) and/or limit the severity of parasitaemia (tolerance). Oxidative stress plays a pivotal role in the host's resistance and tolerance, as well as its detrimental endpoints.
Caroline Isaksson   +3 more
wiley   +1 more source

The identity of the inhabitants of the Kaliningrad oblast [PDF]

open access: yes, 2014
The Kaliningrad Oblast – geopolitically speaking – is one of the most exciting regions of Russia. Indigenous people of the territory were Baltic tribes of Lithuanians and Prussians. Their language, traditions and religion differed from that of the Slavic
Aranyossyné Szegedi, Andrea
core  

Was wußte Kant über Asien? Hinweise und Ueberlegungen zu Kant´s Interesse an Fragen der Geographie.

open access: yes, 2009
Deutschsprachiges Original zur Russischen Uebersetzung von Andrej Silber], in: Kantovski Sbornik (Kaliningrad 2009) NF, Band 2 (30), S.
Stark, Werner, Silber, Andrej
core   +1 more source

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