|
Alexey Skvortsov
Alexey Konstantinovich Skvortsov (Ru:Алексе́й Константи́нович Скворцо́в) (9 February 1920 – 8 May 2008) was a Soviet botanist and biologist, a specialist on amentiferous plants—willows (Salix), poplars (Populus), and birches (Betula) as well as plants of the evening primrose family (Onagraceae). A.K. Skvortsov was, at the same time, well known in Russia as an editor in ''Priroda'' (Nature) Magazine (1971–2005) and author of many articles on botany, evolutionary biology, and Darwinism. Career A botanist of vast erudition, Skvortsov was a surveyor and contributor to many regional floras and a tireless collector of plant specimens. He collected at least 80,000 plant samples while walking across nearly all of the Soviet Union including the most remote regions of Russia and adjacent republics. He traveled in many other countries, including Northern and Central Europe, the United States, India, and China. The establishment of the Herbarium at the Ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Skvortsov AK
Skvortsov (russian: Скворцов, from ''скворец'' meaning ''starling'') is a Russian masculine surname, its feminine counterpart is Skvortsova. Geographical distribution As of 2014, 89.8% of all known bearers of the surname ''Skvortsov'' were residents of Russia (frequency 1:3,590), 4.5% of Ukraine (1:22,597), 1.6% of Uzbekistan (1:43,002), 1.3% of Belarus (1:16,076) and 1.3% of Kazakhstan (1:30,873). In Russia, the frequency of the surname was higher than national average (1:3,590) in the following subjects of the Russian Federation: * 1. Ingushetia (1:197) * 2. Kostroma Oblast (1:267) * 3. Chuvashia (1:713) * 4. Altai Krai (1:736) * 5. Mari El (1:1,203) * 6. Tambov Oblast (1:1,347) * 7. Nizhny Novgorod Oblast (1:1,624) * 8. Kalmykia (1:1,628) * 9. Ivanovo Oblast (1:1,734) * 10. Yaroslavl Oblast (1:2,141) * 11. Ryazan Oblast (1:2,166) * 12. Mordovia (1:2,188) * 13. Vladimir Oblast (1:2,451)d * 14. Moscow Oblast (1:2,976) * 15. Oryol Oblast (1:3,102) * 16. Tver Oblast ( ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Salix
Willows, also called sallows and osiers, from the genus ''Salix'', comprise around 400 speciesMabberley, D.J. 1997. The Plant Book, Cambridge University Press #2: Cambridge. of typically deciduous trees and shrubs, found primarily on moist soils in cold and temperate regions. Most species are known as willow, but some narrow-leaved shrub species are called osier, and some broader-leaved species are referred to as sallow (from Old English ''sealh'', related to the Latin word ''salix'', willow). Some willows (particularly arctic and alpine species) are low-growing or creeping shrubs; for example, the dwarf willow (''Salix herbacea'') rarely exceeds in height, though it spreads widely across the ground. Description Willows all have abundant watery bark sap, which is heavily charged with salicylic acid, soft, usually pliant, tough wood, slender branches, and large, fibrous, often stoloniferous roots. The roots are remarkable for their toughness, size, and tenacity to live, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Populus
''Populus'' is a genus of 25–30 species of deciduous flowering plants in the family Salicaceae, native to most of the Northern Hemisphere. English names variously applied to different species include poplar (), aspen, and cottonwood. The western balsam poplar ('' P. trichocarpa'') was the first tree to have its full DNA code determined by DNA sequencing, in 2006. Description The genus has a large genetic diversity, and can grow from tall, with trunks up to in diameter. The bark on young trees is smooth, white to greenish or dark gray, and often has conspicuous lenticels; on old trees, it remains smooth in some species, but becomes rough and deeply fissured in others. The shoots are stout, with (unlike in the related willows) the terminal bud present. The leaves are spirally arranged, and vary in shape from triangular to circular or (rarely) lobed, and with a long petiole; in species in the sections ''Populus'' and ''Aigeiros'', the petioles are laterally flattened, s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Betula
A birch is a thin-leaved deciduous hardwood tree of the genus ''Betula'' (), in the family Betulaceae, which also includes alders, hazels, and hornbeams. It is closely related to the beech-oak family Fagaceae. The genus ''Betula'' contains 30 to 60 known taxa of which 11 are on the IUCN 2011 Red List of Threatened Species. They are a typically rather short-lived pioneer species widespread in the Northern Hemisphere, particularly in northern areas of temperate climates and in boreal climates. Description Birch species are generally small to medium-sized trees or shrubs, mostly of northern temperate and boreal climates. The simple leaves are alternate, singly or doubly serrate, feather-veined, petiolate and stipulate. They often appear in pairs, but these pairs are really borne on spur-like, two-leaved, lateral branchlets. The fruit is a small samara, although the wings may be obscure in some species. They differ from the alders (''Alnus'', another genus in the family) i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Onagraceae
The Onagraceae are a family of flowering plants known as the willowherb family or evening primrose family. They include about 650 species of herbs, shrubs, and treesOnagraceae. Flora of China. in 17 genera. The family is widespread, occurring on every continent from boreal to regions. The family includes a number of popular plants, including evening primroses ('''') and [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Evolutionary Biology
Evolutionary biology is the subfield of biology that studies the evolutionary processes (natural selection, common descent, speciation) that produced the diversity of life on Earth. It is also defined as the study of the history of life forms on Earth. Evolution is based on the theory that all species are related and they gradually change over time. In a population, the genetic variations affect the physical characteristics i.e. phenotypes of an organism. These changes in the phenotypes will be an advantage to some organisms, which will then be passed onto their offspring. Some examples of evolution in species over many generations are the Peppered Moth and Flightless birds. In the 1930s, the discipline of evolutionary biology emerged through what Julian Huxley called the modern synthesis of understanding, from previously unrelated fields of biological research, such as genetics and ecology, systematics, and paleontology. The importance of studying Evolutionary biology is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Darwinism
Darwinism is a scientific theory, theory of Biology, biological evolution developed by the English naturalist Charles Darwin (1809–1882) and others, stating that all species of organisms arise and develop through the natural selection of small, inherited variations that increase the individual's ability to compete, survive, and reproduction, reproduce. Also called Darwinian theory, it originally included the broad concepts of transmutation of species or of evolution which gained general scientific acceptance after Darwin published ''On the Origin of Species'' in 1859, including concepts which predated Darwin's theories. English biologist Thomas Henry Huxley coined the term ''Darwinism'' in April 1860. Terminology Darwinism subsequently referred to the specific concepts of natural selection, the Weismann barrier, or the central dogma of molecular biology. Though the term usually refers strictly to biological evolution, creationism, creationists have appropriated it to refer to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Floras
Flora is all the plant life present in a particular region or time, generally the naturally occurring (indigenous) native plants. Sometimes bacteria and fungi are also referred to as flora, as in the terms '' gut flora'' or '' skin flora''. Etymology The word "flora" comes from the Latin name of Flora, the goddess of plants, flowers, and fertility in Roman mythology. The technical term "flora" is then derived from a metonymy of this goddess at the end of the sixteenth century. It was first used in poetry to denote the natural vegetation of an area, but soon also assumed the meaning of a work cataloguing such vegetation. Moreover, "Flora" was used to refer to the flowers of an artificial garden in the seventeenth century. The distinction between vegetation (the general appearance of a community) and flora (the taxonomic composition of a community) was first made by Jules Thurmann (1849). Prior to this, the two terms were used indiscriminately.Thurmann, J. (1849). ''Essai de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Herbarium
A herbarium (plural: herbaria) is a collection of preserved plant specimens and associated data used for scientific study. The specimens may be whole plants or plant parts; these will usually be in dried form mounted on a sheet of paper (called ''exsiccatum'', plur. ''exsiccata'') but, depending upon the material, may also be stored in boxes or kept in alcohol or other preservative. The specimens in a herbarium are often used as reference material in describing plant taxa; some specimens may be types. The same term is often used in mycology to describe an equivalent collection of preserved fungi, otherwise known as a fungarium. A xylarium is a herbarium specialising in specimens of wood. The term hortorium (as in the Liberty Hyde Bailey Hortorium) has occasionally been applied to a herbarium specialising in preserving material of horticultural origin. History The making of herbaria is an ancient phenomenon, at least six centuries old, although the techniques have changed l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Moscow Botanical Garden Of Academy Of Sciences
The Tsitsin Main Moscow Botanical Garden of Academy of Sciences was founded in April 1945, and claims itself to be the largest botanical garden in Europe. It covers a territory of approximately 3.61 km², bordering the VDNKH Exhibition Center, and contains a live exhibition of more than twenty thousand different species of plants coming from various parts of the world. The garden also has a scientific research laboratory and contains a rosarium with twenty thousand rose bushes, a dendrarium (arboretum), an oak forest with the average age of the trees exceeding 100 years, a Japanese garden are traditional gardens whose designs are accompanied by Japanese aesthetics and philosophical ideas, avoid artificial ornamentation, and highlight the natural landscape. Plants and worn, aged materials are generally used by Japanese garden desig ... and a greenhouse of more than 5000 square meters. Gallery Botanical Garden, Moscow.jpg, Main botanical garden, main building Botsad2.JPG, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Honeysuckles
Honeysuckles are arching shrubs or twining vines in the genus ''Lonicera'' () of the family Caprifoliaceae, native to northern latitudes in North America and Eurasia. Approximately 180 species of honeysuckle have been identified in both continents. Widely known species include ''Lonicera periclymenum'' (common honeysuckle or woodbine), ''Lonicera japonica'' (Japanese honeysuckle, white honeysuckle, or Chinese honeysuckle) and ''Lonicera sempervirens'' (coral honeysuckle, trumpet honeysuckle, or woodbine honeysuckle). ''L. japonica'' is an aggressive, highly invasive species considered a significant pest on the continents of North America, Europe, South America, Australia, and Africa. Some species are highly fragrant and colorful, so are cultivated as ornamental garden plants. In North America, hummingbirds are attracted to the flowers, especially ''L. sempervirens'' and ''L. ciliosa'' (orange honeysuckle). Honeysuckle derives its name from the edible sweet nectar obtainable ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kaluga Oblast
Kaluga Oblast (russian: Калу́жская о́бласть, translit=Kaluzhskaya oblast) is a federal subject of Russia (an oblast). Its administrative center is the city of Kaluga. The 2021 Russian Census found a population of 1,069,904. Geography Kaluga Oblast lies in the central part of the East European Plain. The oblast's territory is located between the Central Russian Upland (with and average elevation of above and a maximum elevation of in the southeast), the Smolensk–Moscow Upland and the Dnieper– Desna watershed. Most of the oblast is occupied by plains, fields and forests with diverse flora and fauna. The administrative center is located on the Baryatino-Sukhinichy plain. The western part of the oblast — located within the drift plain — is dominated by the Spas-Demensk ridge. To the south is an outwash plain that is part of the Bryansk-Zhizdra woodlands, with average elevation up to 200 m. From north to south, Kaluga Oblast extends for more th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
