Results 51 to 60 of about 150,090 (326)
The Eurasian steppe area has been a dynamic vegetation biome during the Pleistocene with its repeated cycles of forest advances and retreats. Such a scenario allows the evolution of ecotypes at the ecotone with the potential for parallel evolution in different parts of the distribution area.
Dirk C. Albach +4 more
wiley +1 more source
First description of the female of the theridiid spider Robertus golovatchi (Araneae: Theridiidae) [PDF]
The female of Robertus golovatchi Eskov, 1987 is described for the first time from Abkhazia and the male is also figured. The female is compared to another species known from the Caucasus R.
Kovblyuk, Mykola M., Marusik, Yuri M.
core +2 more sources
BackgroundThe Republic of Georgia (Sakartvelo in Georgian language) is part of the Caucasus biodiversity hotspot, and human agricultural plant use dates bat at least 6000 years.
R. Bussmann +8 more
semanticscholar +1 more source
The magmatic arcs of the Eastern Pontides and Lesser Caucasus lie in continuation from one another. A comparison of the subduction‐related magmatic rocks outcropping throughout this segment of the Northern Tethyan belt exhibits chronological disparities,
M. Hässig +5 more
semanticscholar +1 more source
Tracing holotype trajectories: Mapping the movement of the most valuable herbarium specimens
Global efforts to protect biodiversity depend on fair access to key plant specimens. This study examines the distribution of 119,361 holotypes—unique herbarium specimens used to formally describe new plant species. By linking collection and storage data, we found that holotypes are increasingly held closer to their places of origin, particularly in ...
Dominik Tomaszewski +2 more
wiley +1 more source
Green Economy: Regional Priorities [PDF]
The article is dedicated to transforming the economy of Russian regions to a green economy, which is an essential factor for the sustainable development.
Bobylev, S. N. +2 more
core +1 more source
The role of Alpine botanical gardens in integrating germplasm bank collections and mission
This study underscores the vital role of Alpine botanical gardens (ABGs) in safeguarding Europe's alpine biodiversity amid climate change and habitat loss. By acting as living laboratories and reservoirs of plant genetic resources, ABGs bridge ex situ and in situ conservation, supporting ecosystem resilience and informing restoration strategies.
Marco Canella +19 more
wiley +1 more source
Transverse-layer partitioning of artificial neural networks for image classification
We discuss issues of modular learning in artificial neural networks and explore possibilities of the partial use of modules when the computational resources are limited.
N.A. Vershkov +4 more
doaj +1 more source
Why the EU is failing in its neighbourhood: the case of Armenia [PDF]
As the Arab Spring has made clear, the EU’s strategic aim of being surrounded by a ring of secure, democratic, and prosperous friends has not yet materialized. While most previous analyses have found fault with inconsistent application of conditionality,
Van Hoof, Lieve
core +1 more source
Empirical analysis of the integration activity of business structures in the regions of Russia [PDF]
The article investigates the integration activity of business structures in the regions of Russia. A wide variety of approaches to study the problems and prospects of economic integration and the current dispute on the role of integration processes in ...
Karelina, M. G.
core +4 more sources

