11 Works

Применение популяционной модели лиственницы сибирской для контроля биоразнообразия лесов севера Западной Сибири

Владимир Романович Цибульский, Илья Георгиевич Соловьев, Денис Александрович Говорков & Станислав Павлович Арефьев
Механизмы оценки и прогнозирования ресурсного потенциала лесного фонда северных нефтедобывающих территорий Западной Сибири имеют первостепенное значение в за-дачах оценки воздействий на окружающую среду. В представленных исследованиях предложено оценивать устойчивость биоразнообразия северных лесных территорий при помощи прогнозных моделей популяций деревьев-эдификаторов, в частности лиственницы сибирской (Larix sibirica Ledeb). Впервые разработана и доведена до численных значений проекционная матрица и показана возможность ее идентификации на основе динамических кри-вых плотности древостоя и урожайности шишек. За основу принят вариант онтогенетических состояний:...

Data from: Phylogenetic conservatism and biogeographic affinity influence woody plant species richness-climate relationships in eastern Eurasia

Xiangyan Su, Nawal Shrestha, Xiaoting Xu, Denis Sandanov, Qinggang Wang, Siyang Wang, Dimitar Dimitrov & Zhiheng Wang
Mechanisms underlying species richness patterns remain a central yet controversial issue in biology. Climate has been regarded as a major determinant of species richness. However, the relative influences of different evolutionary processes, (i.e. niche conservatism, diversification rate, and time for speciation) on species richness-climate relationships remain to be tested. Here, using newly compiled distribution maps for 11,422 woody plant species in eastern Eurasia, we estimated species richness patterns for all species and for families with...

Data from: Genome-wide genotyping uncovers genetic profiles and history of the Russian cattle breeds

Andrey Yurchenko, Nikolay Yudin, Ruslan Aitnazarov, Alexandra Plysnina, Vladimir Brukhin, Vladimir Soloshenko, Bulat Lhasaranov, Ruslan Popov, Ivan Paronyan, Kirill Plemyashov & Denis M. Larkin
One of the most economically important areas within the Russian agricultural sector is dairy and beef cattle farming contributing about $11 billion to the Russian economy annually. Trade connections, selection and breeding have resulted in the establishment of a number of breeds that are presumably adapted to local climatic conditions. Little however is known about the ancestry and history of Russian native cattle. To address this question, we genotyped 274 individuals from 18 breeds bred...

Data from: On the origin of mongrels: evolutionary history of free-breeding dogs in Eurasia

Małgorzata Pilot, Tadeusz Malewski, Andre E. Moura, Tomasz Grzybowski, Kamil Oleński, Anna Ruść, Stanisław Kamiński, Fernanda Fadel, Daniel S. Mills, Abdulaziz N. Alagaili, Osama B. Mohammed, Grzegorz Kłys, Innokentiy M. Okhlopkov, Ewa Suchecka, Wieslaw Bogdanowicz & Fernanda Ruiz Fadel
Although a large part of the global domestic dog population is free-ranging and free-breeding, knowledge of genetic diversity in these free-breeding dogs (FBDs) and their ancestry relations to pure-breed dogs is limited, and the indigenous status of FBDs in Asia is still uncertain. We analyse genome-wide SNP variability of FBDs across Eurasia, and show that they display weak genetic structure and are genetically distinct from pure-breed dogs rather than constituting an admixture of breeds. Our...

Environmental drivers of Sphagnum growth in peatlands across the Holarctic region

Fia Bengtsson, Håkan Rydin, Jennifer Baltzer, Luca Bragazza, Zhao-Jun Bu, Simon Caporn, Ellen Dorrepaal, Kjell Ivar Flatberg, Olga Galanina, Mariusz Gałka, Anna Ganeva, Irina Goia, Nadezhda Goncharova, Michal Hajek, Akira Haraguchi, Lorna Harris, Elyn Humphreys, Martin Jiroušek, Katarzyna Kajukało, Edgar Karofeld, Natalia Koronatova, Natalia Kosykh, Anna Laine, Mariusz Lamentowicz, Elena Lapshina … & Richard J. Payne
The relative importance of global versus local environmental factors for growth and thus carbon uptake of the bryophyte genus Sphagnum – the main peat-former and ecosystem engineer in northern peatlands – remains unclear. 2) We measured length growth and net primary production (NPP) of two abundant Sphagnum species across 99 Holarctic peatlands. We tested the importance of previously proposed abiotic and biotic drivers for peatland carbon uptake (climate, N deposition, water table depth, and vascular...

Data from: Scans for signatures of selection in Russian cattle breed genomes reveal new candidate genes for environmental adaptation and acclimation

Andrey A. Yurchenko, Hans D. Daetwyler, Nikolay Yudin, Robert D. Schnabel, Christy J. Vander Jagt, Vladimir Soloshenko, Bulat Lhasaranov, Ruslan Popov, Jeremey F. Taylor & Denis M. Larkin
Domestication and selective breeding has resulted in over 1000 extant cattle breeds. Many of these breeds do not excel in important traits but are adapted to local environments. These adaptations are a valuable source of genetic material for efforts to improve commercial breeds. As a step toward this goal we identified candidate regions to be under selection in genomes of nine Russian native cattle breeds adapted to survive in harsh climates. After comparing our data...

Global distribution and evolutionary transitions of angiosperm sexual systems

Yunyun Wang, Ao Luo, Tong Lyu, Dimitar Dimitrov, Xiaoting Xu, Robert Freckleton, Yaoqi Li, Xiangyan Su, Yichao Li, Yunpeng Liu, Denis Sandanov, Qingjun Li, Zhanqing Hao, Shuguang Liu & Zhiheng Wang
Angiosperm sexual systems are fundamental to the evolution and distribution of plant diversity, yet spatiotemporal patterns in angiosperm sexual systems and their drivers remain poorly known. Using data on sexual systems and distributions of 68453 angiosperm species, we present the first global maps of sexual system frequencies and evaluate sexual system evolution during the Cenozoic. Frequencies of dioecy and monoecy increase with latitude, while hermaphrodites are more frequent in warm and arid regions. Transitions to...

Habitats of Pleistocene megaherbivores reconstructed from the frozen fauna remains

Irena Axmanová, Jan Robovský, Lubomír Tichý, Jiri Danihelka, Elena Troeva, Albert Protopopov & Milan Chytrý
The Late Pleistocene landscape in northern Eurasia and North America was inhabited by a specific megafaunal complex, which largely disappeared during the Pleistocene/Holocene transition. Vegetation changes are considered as one of the factors responsible for these extinctions, but the structure and composition of the Pleistocene vegetation are still poorly known. Here we complement previous studies by comparing the taxonomic composition of the plant remains found in the gastrointestinal tracts of the frozen carcasses of Pleistocene...

Global Diversification Dynamics Since the Jurassic: Low Dispersal and Habitat-Dependent Evolution Explain Hotspots of Diversity and Shell Disparity in River Snails (Viviparidae)

Björn Stelbrink, Romy Richter, Frank Köhler, Frank Riedel, Ellen Strong, Bert Van Bocxlaer, Christian Albrecht, Torsten Hauffe, Timothy Page, David Aldridge, Arthur Bogan, Li-Na Du, Marivene Manuel-Santos, Ristiyanti Marwoto, Alena Shirokaya & Thomas Von Rintelen
The Viviparidae, commonly known as River Snails, is a dominant group of freshwater snails with a nearly worldwide distribution that reaches its highest taxonomic and morphological diversity in Southeast Asia. The rich fossil record is indicative of a probable Middle Jurassic origin on the Laurasian supercontinent where the group started to diversify during the Cretaceous. However, it remains uncertain when and how the biodiversity hotspot in Southeast Asia was formed. Here, we used a comprehensive...

Data from: The anatomy, taphonomy, taxonomy and systematic affinity of Markuelia: Early Cambrian to Early Ordovician scalidophorans

Xi-Ping Dong, Stefan Bengston, Neil J. Gostling, John A. Cunningham, Thomas H. P. Harvey, Artem Kouchinsky, Anatoly K. Val'kov, John E. Repetski, Marco Stampanoni, Federica Marone & Philip C. J. Donoghue
Markuelia is a vermiform, annulated introvertan animal known as embryonic fossils from the Lower Cambrian to Lower Ordovician. Analysis of an expanded and revised dataset for Introverta shows that the precise position of Markuelia within this clade is dependent on the taxa included. As a result, Markuelia is assigned to the scalidophoran total group to reflect uncertainty as to whether it is a stem-scalidophoran or a stem-priapulid. The taxonomy of the genus is revised to...

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