MARINE BENTHIC ALGAE FROM COMMANDER ISLANDS (REVISION 2021). II. RHODOPHYTA

Author(s):  
N.G. Klochkova ◽  
◽  
T.A. Klochkova ◽  
A.V. Klimova ◽  
◽  
...  

We present results of revision based on our personal data and reports published from 1889 to 2020 on the red algal species composition from the Commander Islands. The general list includes 150 species. Six species are reported for the first time, including Phymatolithon lamii, Neoabbottiella valentinae, Callophyllis beringensis, Kallymeniopsis verrucosa, Velatocarpus kurilensis, and Mazzaella hemisphaerica. These species are illustrated by photographs of samples collected by us from Bering Island in September 2020. Another 15 red algal species reported from this area by different authors we attributed by us to doubtful and incorrectly identified taxa. The list of valid species is organized similarly to that in our recent paper on flora of the green and brown algae from the Commander Islands [Klochkova et al., 2020]. In the list, we cite papers containing information on species records from this area. For all species, information on their distribution frequency, depth, and some ecological and biological features are provided. It is shown that in contrast to many other regions of the Russian Far East, the Commander Islands are well studied from phycological and floristic aspects. This is due to seasonal and year-round investigations carried out in this region in different time periods, a thorough diving survey on the coastal area and more complete study on microepiphyte species composition, including microscopic red algae.

Author(s):  
N.G. Klochkova ◽  
◽  
T.A. Klochkova ◽  
A.V. Klimova ◽  
◽  
...  

In Commander Islands, the peculiar geographic location, hydrology and geomorphology contributed to de-velopment of a very peculiar algal floristic complex. First scientific information on species composition in this region appeared in XIX century. In this revision, we analyzed scientific publications containing algal floristic information from this region and composed list of species recorded during 1889–2020. We provided information about 52 green and 55 brown algal species recorded from the Commander Islands. The infor-mation concerning representatives of Laminariales is discussed in details, as they form basis of the underwa-ter vegetation. Our species list includes citations of references containing records from the Commander Is-lands and brief description of their biological and morphological characteristics. As we noted, in Russian Far East, Commander Islands belong to one of the few regions with highly examined algal flora.


2021 ◽  
Vol 55 (2) ◽  
pp. 405-426
Author(s):  
I. F. Skirina ◽  
N. A. Tsarenko ◽  
F. V. Skirin

This paper presents the results of the study of lichen flora in swamp complexes of Sakhalin Island, obtained during expeditionary research in 2005–2009 and 2014–2020. The revealed species composition of lichens includes 172 species. The 28 of them are new for Sakhalin and 93 are new for the island swamp complexes. Bryocaulon pseudosatoanum is included in the regional and federal Red lists. Lecidea nylanderi is new to the south of the Far East. The information about substrates, habitats and locations is given for all species. The data on the distribution in the south of the Far East and, in some cases for all Far East, are listed for selected species that are new for Sakhalin Island and the south of the Far East. For the first time, a characteristic of the distribution of lichens in oligotrophic, eutrophic and mesotrophic bogs of Sakhalin Island is given.


Zootaxa ◽  
2019 ◽  
Vol 4664 (3) ◽  
pp. 445-450
Author(s):  
ANTON V. VOLYNKIN ◽  
SI-YAO HUANG ◽  
VLADIMIR V. DUBATOLOV ◽  
YASUNORI KISHIDA

Barsine Walker, 1854 is a large genus of lichen moths (family Erebidae, subfamily Arctiinae, tribe Lithosiini) including about a hundred of valid species and widespread in Oriental tropics, mainland China, Taiwan, Japan, Korea and the southern part of the Russian Far East. During the studies of Lithosiini materials recently collected in the Chinese Province of Guangdong, we found one more, yet undescribed Barsine species. It is related to the recently described B. cacharensis Singh & Kirti, 2016 by the male and female genitalia structure, but externally it is more similar to B. defecta Walker, 1854 and B. gratissima (de Joannis, 1930). The species is described below as new. 


Author(s):  
Nadezhda M. Yavorskaya ◽  
Marina A. Makarchenko ◽  
Oksana V. Orel ◽  
Eugenyi A. Makarchenko

A long-term study implemented in the Amur River basin enabled us to generate an updated checklist of 606 valid species in Chironomidae (Diptera) which are composed of 129 genera and six subfamilies, with 98 (17%) described new species belonging to 46 genera. Among the 98 recently described species, 46 ones (45%), were considered as possible endemics and sub-endemics. The numbers of species and genera by subfamilies is as follows: Podonominae (3 species; 3 genera), Tanypodinae (17; 9), Diamesinae (25; 11), Prodiamesinae (7; 3), Orthocladiinae (307; 57) and Chironominae (247; 46). The higher numbers of species (421 and 410, respectively) were recorded in the Lower and Middle parts of the Amur River basin, as compared with the Upper part of the basin. Most of the recorded chironomids (387 species, 67%) are Palaearctic in distribution, while others (191, 33%) are widely Holarctic. Species with Palaearctic distribution mostly have the following range types: East Palaearctic continental (23%); East Palaearctic continental-insular (20%); Palaearctic transpalaearctic (14%); Palaearctic amphi-Eurasian (10%).


Diversity ◽  
2019 ◽  
Vol 11 (11) ◽  
pp. 206 ◽  
Author(s):  
Sophia Barinova ◽  
Thomas Smith

There were 88 species of algae and cyanobacteria observed from seven sites in the Abraham Lincoln Birthplace National Historical Park (Hodgenville, Kentucky, USA). This was the first algal investigation study in the park. There were 21 samples collected, during the summer, on 16 July 2008. Algal flora, dominated by diatoms was represented by 54 species identified (61.4% of the total), 20 species of cyanobacteria, 11 green and two charophyte algal species, and one red algal species (22.7%, 12.5%, 2.2%, and 1.1%, respectively). Benthic diatoms dominated the aquatic system with 14 species of Navicula and 12 species of Nitzschia identified, which was 15.7% and 13.5% of the total, respectively. Species tended to be site specific and 78.6% of the species were only found in two or less sites. The bioindicator methods for water quality assessment were based on species autoecology. This method was used for the first time in the USA during this study. This demonstrated that benthic and planktonic-benthic algae preferred temperate temperatures, middle-oxygenated mesotrophic waters, low-to-middle enriched by chlorides. The waters were well oxygenated, sometimes saturated by sulfides, low-alkaline, low-to-middle organic enriched, and of class 1–3 water quality with high self-purification capacity. This is very important for habitat protection and cannot be easily accomplished strictly through chemical analysis. The diversity of diatom algae not only plays a major role in the formation of algal communities and their uniqueness, but diatom algae can be a good indicator of environmental assessments and change.


Author(s):  
N. S. Probatova

Six new taxa in the family Poaceae are described from the Russian Far East and from East Siberia: Deschampsia komandorensis Prob. (sect. Deschampsia) from Commander Islands (Bering Island, North-West Cape), Agrostis × avatschensis Prob. (A. kudoi Honda × A. mertensii Trin.) from Avachinskii Volcano in Kamchatka, Poa archarensis Prob. (sect. Stenopoa) (revealed chromosome number 2n = 28) from Amur Region and Yakutia, Poa × alexandrae Prob. (sect. Stenopoa) from Magadan Region, Hyalopoa amgunensis Prob. (H. aggr. lanatiflora) from Khabarovsk Territory (Amgun River basin), Poa turgensis Prob. (sect. Stenopoa) from Transbaikalia.


2021 ◽  
Vol 38 ◽  
pp. 00026
Author(s):  
Vladimir Doronkin ◽  
Natalia Vlasova ◽  
Konstantin Baikov

Analytical review of scientific contribution of Professor Malyshev is performed and presented on the floristic research of Siberia and other territories (Ural Mountains, Mongolia, Russian Far East, etc.). It was shown, that there were several stages in these researches: from Eastern Sayan to Stanovoy Uplands, Putorana Plateau, and then Central (Baikalian Siberia and Dahuria) Siberia, Siberia in whole, and joined flora of Siberia and Russian Far East, usung different methodical approaches (method of concrete flora of A.I. Tolmachev adopted to mountain regions, and various techniques of multivariate statistics, such as rank correlations for familiesspecies, families-genera, and genera-species in head parts of taxonomic spectra, usually consists of 10 to 20 taxa (families or genera). To solve some florogenetic issues, the concept of floristic complexes as stable groups of species located in a certain belt of mountains (for example, alpine and mountain-steppe) was proposed and applied. At all stages of floristic research, the task was set to maximally identify the species composition on territories of various sizes for subsequent subdivision, with the identification of the boundaries for floristic regions, subregions, provinces and sub-provinces. The local floras and working floristic districts were taken as the basic elements of such division.


2018 ◽  
Vol 7 (1) ◽  
pp. 15-19
Author(s):  
Ekaterina Mikhailovna Antipova

The structure of geographical (arealogical) elements is one of the most important flora characteristics, because genetic composite groups are established on the basics of generic and species areas analysis and regularities of flora formation are determined. The object of the research is a complete species composition of vascular plants, revealed within the boundaries of the researched forest-steppes - Krasnoyarsk, Kansk and Achinsk (Krasnoyarsk Region). The North forest-steppes flora was detected by the specific flora method established by A.I. Tolmachev. The aim of this work is to summarize materials of the Euro-Siberian geographical element flora structure in the North forest-steppes ecosystems of the Middle Siberia with the characteristics of geographical elements selected on the basis of the fitohorions concept. It is based on the accordance principle of species distribution to natural (Botanical-geographical) zoning of the Earth. To determine the areas we used modern planetary floristic zoning established by A.L. Takhtajan with some amendments: floristic zoning by L.I. Malysheva was taken into account to Siberia, etc., the Russian Far East - by R.V. Camelina. As a result of the work geographical elements of the boreal group were assigned: Circumboreal (133 species, 9,6% of the whole flora), Eurosiberian (384 species, 27,7%), Pontic-South Siberian (81 species, 5,85%), Siberian (154 species, 11,12%).


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