Karyology of Some Coastal and Water Plants from Far East (Russia)

2021 ◽  
Vol 63 (1-2) ◽  
pp. 87-96
Author(s):  
Yu. A. Khrolenko ◽  
E. V. Burkovskaya ◽  
E. N. Muratova

Cytogenetic studies on four species of vascular coastal and water plants from Russian Far East are presented. During the present investigation the next chromosome numbers have been revealed: Gypsophila pacifica (2 n = 34), Allium sacculiferum (2 n = 32), Mertensia maritima (2 n = 24), and Nelumbo komarovii (2 n = 16). Unusual chromosome numbers for these species have not been noted but it was the first case of karyological studies of Nelumbo komarovii from the Jewish Autonomous Region and most northern habitat. The number of nucleoli in interphase nuclei of these species was counted. Interphase nuclei of studied species contain 1–4 nucleoli except in A. sacculiferum so far which have 1–2 nucleoli per cell. Different points of view on polyploidy of studied species are discussed.

2020 ◽  
Vol 68 ◽  
pp. 29-64
Author(s):  
N.S. Probatova ◽  

The paper summarizes information on chromosome numbers (CNs) of the Grass species (Poaceae) in the flora of Russian Federation, obtained on the original material, most part - from the Russian Far East (RFE). In some species the CNs are known in Russia or in the world only from RFE, in some – from one locality or few, or from one subregion of RFE. The grass species in RFE often occur in mountain regions and near seacoasts; some species are endemics, some were studied near the limits of their geographical distribution areas. The diversity of CNs, the special features of the CNs distribution in some grass groups are discussed. The alien species are abundant in RFE, and their CNs are also involved in the study. For karyologically polymorphous species further studies are needed.


2017 ◽  
Vol 48 ◽  
pp. 13-22
Author(s):  
N. S. Probatova

Calamagrostis are described from the Russian Far East. Chromosome numbers are reported for two new taxa. Calamagrostis burejensis Prob. et Barkalov, 2n = 28 (sect. Calamagrostis), C. zejensis Prob., 2n = 28 (sect. Deyeuxia), and C. × amgunensis Prob. (C. amurensis Prob. × C. neglecta (Ehrh.) G. Gaertn., B. Mey. et Scherb. s. l.) are described from the Amur River basin (Amur Region or Khabarovsk Territory); Arundinella rossica Prob. (sect. Hirtae) and Calamagrostis kozhevnikovii Prob. et Prokopenko (sect. Calamagrostis) from Primorye Territory.


Author(s):  
P. F. Cannon

Abstract A description is provided for P. ferruginea. Information on dispersal and transmission, geographical distribution (Kenya; Sierra Leone; Bangladesh; Anhui, Fujian, Guangdong, Guangxi, Hong Kong and Yunnan, China; Assam, Maharashtra, Tamil Nadu, Uttar Pradesh and Uttarakhand, India; Indonesia; Japan; Russian Far East, Russia; Sri Lanka; Taiwan; Northern Territory, Australia; and Papua New Guinea), and host plants (Heterosmilax gaudichaudiana, H. japonica, Smilax arisanensis, S. aspera, S. bracteata, S. davidiana, S. discotis, S. elegans, S. ferox, S. glauco-china, S. hypoglauca, S. lanceifolia, S. microphylla, S. nipponica, S. riparia, S. sieboldii, S. stans and S. zeylanica) is included.


2015 ◽  
Vol 47 (2) ◽  
pp. 117-122 ◽  
Author(s):  
Bruce McCune ◽  
Svetlana Tchabanenko ◽  
Xin Li Wei

AbstractHypogymnia papilliformis McCune, Tchabanenko & X. L.Wei is described as a new species of lichenized fungus from the Primorsky region of Russia and Shaanxi Province in China. It is a relatively rare species from mixed conifer-broadleaved forests in suboceanic climates, in mountainous areas at elevations of 600–1500 m. Most similar to H. delavayi, the species are distinguished by branching pattern and chemistry. Hypogymnia papilliformis is predominantly isotomically branched while H. delavayi usually develops subpinnate branching. The ceiling of the lobe cavity is mid brown to dark brown in H. papilliformis, while the ceiling is often pale brownish or white in H. delavayi. Also, H. papilliformis lacks 3-hydroxyphysodic acid, and thus has a K– medulla, while H. delavayi always contains 3-hydroxyphysodic acid as a major substance and is thus K+ slowly reddish brown. We provide a key to the six esorediate Hypogymnia species known from the Russian Far East.


2014 ◽  
Vol 3 (2) ◽  
pp. 129-134
Author(s):  
Nina S. Probatova ◽  
◽  
Elvira G. Rudyka ◽  
Vitaly P. Seledets ◽  
Tatiana N. Motorykina ◽  
...  

Zoosymposia ◽  
2016 ◽  
Vol 10 (1) ◽  
pp. 480-492
Author(s):  
IRINA A. ZASYPKINA

Results of caddisfly faunal investigations in the North Russian Far East (NRFE) are summarized based on literature and the author’s data. Up to now, 122 species from 50 genera of 17 families of caddisflies have been found within the territory under study. A general list of caddisflies and their data records in 11 collecting (distributional) areas are presented. New records for 6 species in NRFE are given and Rhyacophila mirabilis (Levanidova & Schmid 1993) is recorded for the first time from continental Asia. Former distributional data for 40 species are refined. The taxonomic diversity and zoogeographical composition of the fauna are analyzed. It is noted that family Limnephilidae predominates in the northern areas.


2006 ◽  
Vol 37 (2) ◽  
pp. 191-196 ◽  
Author(s):  
Romuald Pomorski ◽  
Yulija Sveenkova

AbstractThree onychiurid springtail species of a new genus are described from the Far East (Russia). Sensillonychiurus gen. n. clearly differs in its antennal III sense organ consisting of three guard setae only. The genus is placed in the tribe Thalassaphorurini. Within the tribe it is related to Detriturus Pomorski, 1998 which it resembles in the lack of d0 setae on the head.


2021 ◽  
Vol 140 (1) ◽  
Author(s):  
Elena A. Jagt-Yazykova ◽  
Martin Košťák ◽  
John W. M. Jagt

AbstractA newly collected specimen of the enigmatic coleoid genus Longibelus is recorded from lower Turonian strata along the River Shadrinka in Sakhalin (Russian Far East). To date, this is the first record of Late Cretaceous coleoid cephalopods from the island and, in fact, from the entire Pacific coast of the Russian Federation. Lithological characteristics, coupled with published geochemical analyses (δ13C and Corg content), suggest the habitat of this coleoid taxon to have been the middle to outer (i.e. distal) shelf. Its provenance from the stratigraphical level that is known as the Scaphites Event, characterised by a mass occurrence of Scaphites and Yesoites, may be indicative of occasional or marginal overlap in ranges, rather than life in similar habitats. On the basis of lithological features and in view of the extremely rare occurrence of Longibelus in rich ammonite assemblages with clear ecological/bathymetric preferences, the natural habitat of Longibelus may have comprised neritic to mesopelagic zones over distal shelves and slopes.


2021 ◽  
Vol 908 (1) ◽  
pp. 012039
Author(s):  
L M Kondratyeva ◽  
Z N Litvinenko ◽  
E M Golubeva ◽  
D V Andreeva

Abstract At the Bureiskoe Reservoir (Far East, Russia) in December 2018 at a temperature of 36°C below zero the giant landslide is occurred. Landslide with a total volume of 24.5 million m3 blocked the reservoir from one shore to the opposite one, disrupting the access of water to a large hydroelectric power station downstream. Blasting operations were carried out with the use of trinitrotoluene and hexogen to revive the water flow. As a result of the landslide natural hazards (direct impact of the landslide, and tsunami) were happened, and the further strong impact was caused by humans (blasting). Volatile organic compounds (VOCs) and elemental composition were accepted as the main indicators of water quality. Parameters of these indicators varied at different near-shore sites above and below the landslide area. More significant changes are recorded after blasting operations. Hexane and toluene dominated the water passing the artificial channel. The genesis of VOCs can be associated with the biogeochemical processes of methanogenesis, methanotrophy, and the detonation products of explosives. Mercury, methanol, toluene, and xylenes in water samples were detected. This is evidence of the presence of a prerequisite for the formation of toxic methylmercury, a risk factor for aquatic biota.


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