Pub Date : 2023-11-02DOI: 10.18470/1992-1098-2023-3-196-200
A. A. Ozdemirov, A. A. Khozhokov, Z. M. Huseynova, M. A. Daveteeva
Aim . The unique gene pool of indigenous breeds in the Dagestan Caucasus is threatened by the increasingly widespread use of commercial breeds, which in turn risks narrowing the genetic base necessary to increase and maintain existing genetic diversity. For this reason, our research aimed to study the polymorphism of the PRL, PIT‐1, GH genes in red steppe and Caucasian brown cattle raised in the conditions of Dagestan. Methods . Genotyping of red steppe and Caucasian brown cattle was carried out using PCR‐RFLP methods. Using these methods, genetic analysis was carried out and polymorphism of the prolactin, somatotropin and pituitary‐specific transcription factor genes was studied. Results . As a result of the genotyping of an experimental group of red steppe cattle, it was found that the distribution of two alleles and three genotypes (PIT‐1A and PIT‐1B; PIT‐1AA, PIT‐1BB, PIT‐1AB) of the PIT‐1 gene has a specific character. The specificity of the allelic spectrum of the PRL gene is expressed in the high (0.84) frequency of occurrence of the PRLA allele and low (0.16) frequency of the PRLB allele. This is reflected in the presence of homo‐ and heterozygous genotypes with a frequency of occurrence of 73.0; 23.0; 4.0 %, respectively. Conclusion . Applied genetic approaches to improve the productive and breed qualities of livestock, which are modern and based on a more complete analysis of the genetic diversity and genotype of the studied populations, contribute to the conservation of zoned breeds. At the same time, intrapopulation variability and good adaptability should ensure the sustainable development of dairy cattle breeding in various climatic zones.
{"title":"Analysis of polymorphisms in genes associated with milk productivity in red steppe and Caucasian brown cow breeds in two natural‐climate zones (mountains and plain) of Dagestan, Russia","authors":"A. A. Ozdemirov, A. A. Khozhokov, Z. M. Huseynova, M. A. Daveteeva","doi":"10.18470/1992-1098-2023-3-196-200","DOIUrl":"https://doi.org/10.18470/1992-1098-2023-3-196-200","url":null,"abstract":"Aim . The unique gene pool of indigenous breeds in the Dagestan Caucasus is threatened by the increasingly widespread use of commercial breeds, which in turn risks narrowing the genetic base necessary to increase and maintain existing genetic diversity. For this reason, our research aimed to study the polymorphism of the PRL, PIT‐1, GH genes in red steppe and Caucasian brown cattle raised in the conditions of Dagestan. Methods . Genotyping of red steppe and Caucasian brown cattle was carried out using PCR‐RFLP methods. Using these methods, genetic analysis was carried out and polymorphism of the prolactin, somatotropin and pituitary‐specific transcription factor genes was studied. Results . As a result of the genotyping of an experimental group of red steppe cattle, it was found that the distribution of two alleles and three genotypes (PIT‐1A and PIT‐1B; PIT‐1AA, PIT‐1BB, PIT‐1AB) of the PIT‐1 gene has a specific character. The specificity of the allelic spectrum of the PRL gene is expressed in the high (0.84) frequency of occurrence of the PRLA allele and low (0.16) frequency of the PRLB allele. This is reflected in the presence of homo‐ and heterozygous genotypes with a frequency of occurrence of 73.0; 23.0; 4.0 %, respectively. Conclusion . Applied genetic approaches to improve the productive and breed qualities of livestock, which are modern and based on a more complete analysis of the genetic diversity and genotype of the studied populations, contribute to the conservation of zoned breeds. At the same time, intrapopulation variability and good adaptability should ensure the sustainable development of dairy cattle breeding in various climatic zones.","PeriodicalId":41300,"journal":{"name":"South of Russia-Ecology Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135975086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-02DOI: 10.18470/1992-1098-2023-3-170-178
A. P. Savva, T. N. Telezhenko, V. A. Suvorova
Aim . Agroecological assessment of herbicides application on crops of soybean variety Arleta in the central zone of Krasnodar Territory. Materials and Methods . The experiments were carried out on the experimental field of the Federal Research Centre of Biological Plant Protection in 2022 according to the methodological recommendations for testing herbicides in agriculture. Herbicides from different chemical classes were used in the experiment. Efficiency was assessed by the difference in weed and soybean grain yield in comparison with the control. The comparative ecotoxicological load of preparations was carried out according to the ecological load and the coefficient of selectivity of action for the soil. Results . Weed species in the experiment were highly effectively suppressed by the herbicides Pulsar, BP, Pivot, VK and a mixture of Bazagran, BP + Zellek Super, and KE (88–98 %). When using Dual Gold, EC, Frontier Optima, EC and Proponit, and EC before the soybean shoots, the biological efficacy was lower. The preparations Pulsar, BP and Pivot, and VK, in comparison with other herbicides, had a lower level of environmental load and a high coefficient of selective action and meet modern safety requirements for the natural environment. Conclusions . In order to protect the environment when choosing herbicides for application on soybean crops in the central zone of Krasnodar Territory, they should be comprehensively selected taking into account the ecotoxicological load of the preparations.
{"title":"Agroecological assessment of herbicides application on soybean crops in the central zone of Krasnodar Territory, Russia","authors":"A. P. Savva, T. N. Telezhenko, V. A. Suvorova","doi":"10.18470/1992-1098-2023-3-170-178","DOIUrl":"https://doi.org/10.18470/1992-1098-2023-3-170-178","url":null,"abstract":"Aim . Agroecological assessment of herbicides application on crops of soybean variety Arleta in the central zone of Krasnodar Territory. Materials and Methods . The experiments were carried out on the experimental field of the Federal Research Centre of Biological Plant Protection in 2022 according to the methodological recommendations for testing herbicides in agriculture. Herbicides from different chemical classes were used in the experiment. Efficiency was assessed by the difference in weed and soybean grain yield in comparison with the control. The comparative ecotoxicological load of preparations was carried out according to the ecological load and the coefficient of selectivity of action for the soil. Results . Weed species in the experiment were highly effectively suppressed by the herbicides Pulsar, BP, Pivot, VK and a mixture of Bazagran, BP + Zellek Super, and KE (88–98 %). When using Dual Gold, EC, Frontier Optima, EC and Proponit, and EC before the soybean shoots, the biological efficacy was lower. The preparations Pulsar, BP and Pivot, and VK, in comparison with other herbicides, had a lower level of environmental load and a high coefficient of selective action and meet modern safety requirements for the natural environment. Conclusions . In order to protect the environment when choosing herbicides for application on soybean crops in the central zone of Krasnodar Territory, they should be comprehensively selected taking into account the ecotoxicological load of the preparations.","PeriodicalId":41300,"journal":{"name":"South of Russia-Ecology Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135974929","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-02DOI: 10.18470/1992-1098-2023-3-133-143
Ph. V. Sapozhnikov, O. Yu. Kalinina, S. V. Vostokov
Aim . To identify the composition and features of the spatial structure of microfouling (microplaston) during the early stages of colonisation of the surfaces of artificial polymer films (LDPE) in the natural habitats of the Miass River and Lake Turgoyak (Southern Urals). The early stages of polymer microfouling which create the basis for further complexity of its spatial mosaic are considered, taking into account the surface microlandscape and the possibilities it creates for the location of community components. Materials and Methods . Fragments of polymer films (LDPE) manufactured for household use were collected in the waters of the Miass River and Lake Turgoyak in June 2023. Samples were selected that were exposed in natural reservoirs for at least several months. Analysis of the composition, structure and spatial organization of microplastonic communities was carried out using light and SEM microscopy. Results . The microplaston in the early stages of growth varied significantly among the habitats studied. On LDPE films from the Miass River they were dominated by sessile armored amoebae (Granofilosea: Microgromiidae), attached diatoms (Bacillariophyta: Achnanthaceae, Cocconeidaceae) developed as a mass and encrusting green microalgae (Chlorophyta, Charophyta) were also found. In Lake Turgoyak cortical green microalgae clearly dominated, together with other diatoms (Bacillariophyta: Rhopalodiaceae, Cocconeidaceae). Trichome and coccoid forms of cyanoprokaryotes (Cyanobacteria: Pseudanabaenaceae, Rivulariaceae, Chamaesiphonaceae, Microcystaceae) were also abundant. The colonisation of films by individual species varied among habitats and also depended on the surface microrelief. Conclusion . Analysis of the microplaston of LDPE films in hydrologically different habitats demonstrated the features of early colonisation of these substrates, the biotope‐specificity of the species and spatial structure of communities, as well as the organisation of colonial settlements of a number of species.
{"title":"Microplaston artificial polymers in the Miass River and Lake Turgoyak (Southern Urals, Russia) in the early stages of colonisation","authors":"Ph. V. Sapozhnikov, O. Yu. Kalinina, S. V. Vostokov","doi":"10.18470/1992-1098-2023-3-133-143","DOIUrl":"https://doi.org/10.18470/1992-1098-2023-3-133-143","url":null,"abstract":"Aim . To identify the composition and features of the spatial structure of microfouling (microplaston) during the early stages of colonisation of the surfaces of artificial polymer films (LDPE) in the natural habitats of the Miass River and Lake Turgoyak (Southern Urals). The early stages of polymer microfouling which create the basis for further complexity of its spatial mosaic are considered, taking into account the surface microlandscape and the possibilities it creates for the location of community components. Materials and Methods . Fragments of polymer films (LDPE) manufactured for household use were collected in the waters of the Miass River and Lake Turgoyak in June 2023. Samples were selected that were exposed in natural reservoirs for at least several months. Analysis of the composition, structure and spatial organization of microplastonic communities was carried out using light and SEM microscopy. Results . The microplaston in the early stages of growth varied significantly among the habitats studied. On LDPE films from the Miass River they were dominated by sessile armored amoebae (Granofilosea: Microgromiidae), attached diatoms (Bacillariophyta: Achnanthaceae, Cocconeidaceae) developed as a mass and encrusting green microalgae (Chlorophyta, Charophyta) were also found. In Lake Turgoyak cortical green microalgae clearly dominated, together with other diatoms (Bacillariophyta: Rhopalodiaceae, Cocconeidaceae). Trichome and coccoid forms of cyanoprokaryotes (Cyanobacteria: Pseudanabaenaceae, Rivulariaceae, Chamaesiphonaceae, Microcystaceae) were also abundant. The colonisation of films by individual species varied among habitats and also depended on the surface microrelief. Conclusion . Analysis of the microplaston of LDPE films in hydrologically different habitats demonstrated the features of early colonisation of these substrates, the biotope‐specificity of the species and spatial structure of communities, as well as the organisation of colonial settlements of a number of species.","PeriodicalId":41300,"journal":{"name":"South of Russia-Ecology Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135974930","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-02DOI: 10.18470/1992-1098-2023-3-144-152
L. A. Fattakhova, M. V. Reshetnikov, D. M. Kuzina
Aim . To compare the results of studying the magnetic properties and concentration of heavy metals in the soils of the Dubravniy Forest recreational zone of Kazan to justify the use of the petromagnetic method in conducting ecological and geochemical studies in urbanised areas. Material and Methods . The object of the study is the soil cover in the "Dubravniy Forest", using petromagnetic methods (magnetic susceptibility, differential thermomagnetic analysis) and atomic absorption spectrometry. Results . According to the results of the studies conducted into the lightgray forest soil, the measurements of magnetic susceptibility and concentration of mobile forms of heavy metals do not contradict each other and indicate the absence of magnetic minerals and heavy metals of technogenic origin. Conclusions . The results of magnetic susceptibility studies indicate the absence of soil contamination with heavy metal compounds, which was confirmed by the results of the determination of mobile forms of heavy metals by the atomic absorption method.
{"title":"Distribution features of mobile forms of heavy metals and magnetic properties of soils in the Dubravniy Forest recreational area of the city of Kazan, Russia","authors":"L. A. Fattakhova, M. V. Reshetnikov, D. M. Kuzina","doi":"10.18470/1992-1098-2023-3-144-152","DOIUrl":"https://doi.org/10.18470/1992-1098-2023-3-144-152","url":null,"abstract":"Aim . To compare the results of studying the magnetic properties and concentration of heavy metals in the soils of the Dubravniy Forest recreational zone of Kazan to justify the use of the petromagnetic method in conducting ecological and geochemical studies in urbanised areas. Material and Methods . The object of the study is the soil cover in the \"Dubravniy Forest\", using petromagnetic methods (magnetic susceptibility, differential thermomagnetic analysis) and atomic absorption spectrometry. Results . According to the results of the studies conducted into the lightgray forest soil, the measurements of magnetic susceptibility and concentration of mobile forms of heavy metals do not contradict each other and indicate the absence of magnetic minerals and heavy metals of technogenic origin. Conclusions . The results of magnetic susceptibility studies indicate the absence of soil contamination with heavy metal compounds, which was confirmed by the results of the determination of mobile forms of heavy metals by the atomic absorption method.","PeriodicalId":41300,"journal":{"name":"South of Russia-Ecology Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135975084","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-02DOI: 10.18470/1992-1098-2023-3-126-132
I. P. Osipova, A. V. Totmenin, P. G. Bersenev, E. Yu. Ilyina, E. A. Lomakina, N. M. Gashnikova
Aim . To investigate the molecular-epidemiological characteristics of the territorial distribution of HIV infection in the Sakhalin region. Materials and Methods . A comprehensive analysis of molecular-genetic characteristics of HIV-1 and clinical-epidemiological data of 64 HIV-infected residents of the Sakhalin region was conducted. Nucleotide sequences of the pol gene region encoding protease, reverse transcriptase, and integrase of HIV-1 were obtained by sequencing amplified virus fragments. Genotyping, phylogenetic and mutational analyses were performed using specialized software resources. Results . Among the HIV-1 cases studied, the HIV-1 subtype A6 was detected in 81.3 % of cases, with 58.4 % of them reliably clustering into closely related HIV groups, indicating the development of internal epidemic networks of infection transmission. Additionally, HIV-1 CRF63_02A6 and 06_cpx were detected in 4.7 % of cases each, subtype B and B/G in 3.1 %, subtypes C and A1 in 1.6 %. HIV-1 A6, B/G variants, and subtype A1 similar to Mediterranean HIV were detected in the MSM group. In 10.8 % of cases, treatment-naive patients had HIV-1 with the K103N mutation, and in one case, multiple drug resistance was identified. Conclusion . The contemporary territorial epidemic of HIV infection in the Sakhalin region is characterised by the presence of internal epidemic networks and the registration and spread of imported HIV. Key population groups with HIV infection require special attention due to the documented transmission of ART-resistant viruses. Studying the peculiarities of HIV infection spread in individual regions of Russia is important for the development of effective measures aimed at ending HIV transmission in the country.
{"title":"The relevance of using methods of molecular epidemiology of HIV to characterize territorial epidemics: Sakhalin region, Russia","authors":"I. P. Osipova, A. V. Totmenin, P. G. Bersenev, E. Yu. Ilyina, E. A. Lomakina, N. M. Gashnikova","doi":"10.18470/1992-1098-2023-3-126-132","DOIUrl":"https://doi.org/10.18470/1992-1098-2023-3-126-132","url":null,"abstract":"Aim . To investigate the molecular-epidemiological characteristics of the territorial distribution of HIV infection in the Sakhalin region. Materials and Methods . A comprehensive analysis of molecular-genetic characteristics of HIV-1 and clinical-epidemiological data of 64 HIV-infected residents of the Sakhalin region was conducted. Nucleotide sequences of the pol gene region encoding protease, reverse transcriptase, and integrase of HIV-1 were obtained by sequencing amplified virus fragments. Genotyping, phylogenetic and mutational analyses were performed using specialized software resources. Results . Among the HIV-1 cases studied, the HIV-1 subtype A6 was detected in 81.3 % of cases, with 58.4 % of them reliably clustering into closely related HIV groups, indicating the development of internal epidemic networks of infection transmission. Additionally, HIV-1 CRF63_02A6 and 06_cpx were detected in 4.7 % of cases each, subtype B and B/G in 3.1 %, subtypes C and A1 in 1.6 %. HIV-1 A6, B/G variants, and subtype A1 similar to Mediterranean HIV were detected in the MSM group. In 10.8 % of cases, treatment-naive patients had HIV-1 with the K103N mutation, and in one case, multiple drug resistance was identified. Conclusion . The contemporary territorial epidemic of HIV infection in the Sakhalin region is characterised by the presence of internal epidemic networks and the registration and spread of imported HIV. Key population groups with HIV infection require special attention due to the documented transmission of ART-resistant viruses. Studying the peculiarities of HIV infection spread in individual regions of Russia is important for the development of effective measures aimed at ending HIV transmission in the country.","PeriodicalId":41300,"journal":{"name":"South of Russia-Ecology Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135975078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-02DOI: 10.18470/1992-1098-2023-3-210-225
S. S. Hosseini, M. Taghvaei, Z. V. Ataev
Aim . The intention of the present research has been to examine and evaluate the barriers and limitations to the development of medical tourism in Isfahan as one of Iran’s tourism destinations by taking the approach of service integration. Materials and Methods . This exploratory research was conducted using mixed qualitative and quantitative methodology. Data analysis by the qualitative method was done using MAXQDA-18 software, while by the quantitative method a combination of SWOT strategic planning technique and multi-criteria decision making was used Results . Multiple weaknesses and challenges were classified by using a framework of indexes developed on different dimensions including: quality of medical services and facilities; access to medical and tourism information; infrastructures and regulations; communications and marketing; environmental factors; treatment procedures and passive defense and international barriers. Meanwhile, the role of each of these dimensions and sub-indexes in impeding medical tourism development in the region was evaluated by examining the association between the various dimensions contributing to medical tourism development in Isfahan. Conclusions . To remove the barriers identified, several strategies are proposed. including the provision of health-based integrated services (medical, treatment and wellness), development of shared products by the sectors involved in this domain, compilation of a comprehensive plan for health tourism development, preparation of a coherent and well-organized scientific plan given the policies of resilient economy, realistic and practical attention to the branding issues, the usage of up-to-date methods of modern marketing plan for the health companies and facilitators, removal of the legal barriers to the medical tourism development and compilation of new supportive, supervisory and advertising policies.
{"title":"An elaboration of obstacles and perspectives of medical tourism development taking the approach of integrated service provision (Case study: Isfahan Province, Iran)","authors":"S. S. Hosseini, M. Taghvaei, Z. V. Ataev","doi":"10.18470/1992-1098-2023-3-210-225","DOIUrl":"https://doi.org/10.18470/1992-1098-2023-3-210-225","url":null,"abstract":"Aim . The intention of the present research has been to examine and evaluate the barriers and limitations to the development of medical tourism in Isfahan as one of Iran’s tourism destinations by taking the approach of service integration. Materials and Methods . This exploratory research was conducted using mixed qualitative and quantitative methodology. Data analysis by the qualitative method was done using MAXQDA-18 software, while by the quantitative method a combination of SWOT strategic planning technique and multi-criteria decision making was used Results . Multiple weaknesses and challenges were classified by using a framework of indexes developed on different dimensions including: quality of medical services and facilities; access to medical and tourism information; infrastructures and regulations; communications and marketing; environmental factors; treatment procedures and passive defense and international barriers. Meanwhile, the role of each of these dimensions and sub-indexes in impeding medical tourism development in the region was evaluated by examining the association between the various dimensions contributing to medical tourism development in Isfahan. Conclusions . To remove the barriers identified, several strategies are proposed. including the provision of health-based integrated services (medical, treatment and wellness), development of shared products by the sectors involved in this domain, compilation of a comprehensive plan for health tourism development, preparation of a coherent and well-organized scientific plan given the policies of resilient economy, realistic and practical attention to the branding issues, the usage of up-to-date methods of modern marketing plan for the health companies and facilitators, removal of the legal barriers to the medical tourism development and compilation of new supportive, supervisory and advertising policies.","PeriodicalId":41300,"journal":{"name":"South of Russia-Ecology Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135974928","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-01DOI: 10.18470/1992-1098-2023-3-50-59
R. L. Hovhannisyan, M. Ya. Rukhkyan, L. D. Harutyunova, M. Z. Magomedova, P. D. Magomedova
Aim . The aim of the work is to study the fish helminth fauna of Lake Sevan basin. Material and Methods . Fish helminths and molluscs were collected from the Lake Sevan basin. A total of 214 specimens of fish were studied. The collection, cameral processing and determination of the material was carried out according to generally accepted methods. Statistical processing of the material was carried out using the BioStat 2009 computer program. 124 specimens of molluscs were examined from the littoral of the Lake Sevan. The collection and identification of molluscs was carried out according to generally accepted methods. The work was carried out at the Scientific Centre of Zoology and Hydroecology of NAS of the Republic of Armenia. Its own collections have been used as material. Results . Trematodes, cestodes, nematodes and acanthocephals were found аs a result of studies of fish from the Lake Sevan basin. The total infestation of the fish by helminths was 27.1 %. Six species of helminths have been identified, two of which are the first to be recorded in new hosts in Armenia. The higher infestations of fish were noted by metacercariae of the trematode Diplostomum sp. and plerocercoids of the cestode Ligula intestinalis. A brief analysis of the infestation of fish by the detected helminths is given. Conclusion . The species composition of the helminth fauna of fish in the Lake Sevan basin was studied. Pathogens of dangerous helminthiases causing the death of fish have been noted. Studies of the helminth fauna of fish in the Lake Sevan basin are relevant and will be continued. Most of the species of fish affected by helminths are of economic importance. Some species of the helminths which were found are very invasive and cause great damage to the fisheries of the republic.
{"title":"The fish helminth fauna of Lake Sevan during a period of water level change","authors":"R. L. Hovhannisyan, M. Ya. Rukhkyan, L. D. Harutyunova, M. Z. Magomedova, P. D. Magomedova","doi":"10.18470/1992-1098-2023-3-50-59","DOIUrl":"https://doi.org/10.18470/1992-1098-2023-3-50-59","url":null,"abstract":"Aim . The aim of the work is to study the fish helminth fauna of Lake Sevan basin. Material and Methods . Fish helminths and molluscs were collected from the Lake Sevan basin. A total of 214 specimens of fish were studied. The collection, cameral processing and determination of the material was carried out according to generally accepted methods. Statistical processing of the material was carried out using the BioStat 2009 computer program. 124 specimens of molluscs were examined from the littoral of the Lake Sevan. The collection and identification of molluscs was carried out according to generally accepted methods. The work was carried out at the Scientific Centre of Zoology and Hydroecology of NAS of the Republic of Armenia. Its own collections have been used as material. Results . Trematodes, cestodes, nematodes and acanthocephals were found аs a result of studies of fish from the Lake Sevan basin. The total infestation of the fish by helminths was 27.1 %. Six species of helminths have been identified, two of which are the first to be recorded in new hosts in Armenia. The higher infestations of fish were noted by metacercariae of the trematode Diplostomum sp. and plerocercoids of the cestode Ligula intestinalis. A brief analysis of the infestation of fish by the detected helminths is given. Conclusion . The species composition of the helminth fauna of fish in the Lake Sevan basin was studied. Pathogens of dangerous helminthiases causing the death of fish have been noted. Studies of the helminth fauna of fish in the Lake Sevan basin are relevant and will be continued. Most of the species of fish affected by helminths are of economic importance. Some species of the helminths which were found are very invasive and cause great damage to the fisheries of the republic.","PeriodicalId":41300,"journal":{"name":"South of Russia-Ecology Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135455018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-01DOI: 10.18470/1992-1098-2023-3-69-80
S. A. Litvinskaya, S. N. Gorbov, Yu. V. Dzigunova
Aim . To investigate the features of the abiotic (soils) and biotic (flora and vegetation) components of ruderal communities (Ruderalophyton) of the urban ecosystem in the conditions of the Rostov agglomeration. Material and Methods . The morphoecological analysis of the flora (144 species of vascular plants) was shown. Data were obtained of the characteristic growth features of roadside communities of the Southern Federal University Botanical Garden (floristic diversity of 53 species) and of ruderal communities of new residential building plots in the peripheral part of the city and abandoned houses in the central part of the city. Results . Abiotic conditions for the habitats of ruderal plants are no longer natural because the local Chernozem root‐inhabited and humusaccumulative surface horizons have been almost completely stripped away. At the same time, cenotically the communities are multicomponent and floristically saturated with high projective coverage. During the process of anthropogenic vegetation evolution, a new type of cenosis has formed, which is adapted in ecological succession processes to all components of the urban ecosystem. Conclusion . The ruderal vegetation of the Rostov agglomeration is particularly resistant. It develops urban horizons, which are characterized by a high proportion of anthropogenic inclusions; household, and industrial waste, which is often contaminated with organic and inorganic pollutants. Plant communities developing on such substrates are multicomponent, floristically saturated and have formed a high degree of projective cover.
{"title":"Ruderal vegetation (Ruderalophyton) of transformed habitats of the Rostov-on-Don urban ecosystem, Russia","authors":"S. A. Litvinskaya, S. N. Gorbov, Yu. V. Dzigunova","doi":"10.18470/1992-1098-2023-3-69-80","DOIUrl":"https://doi.org/10.18470/1992-1098-2023-3-69-80","url":null,"abstract":"Aim . To investigate the features of the abiotic (soils) and biotic (flora and vegetation) components of ruderal communities (Ruderalophyton) of the urban ecosystem in the conditions of the Rostov agglomeration. Material and Methods . The morphoecological analysis of the flora (144 species of vascular plants) was shown. Data were obtained of the characteristic growth features of roadside communities of the Southern Federal University Botanical Garden (floristic diversity of 53 species) and of ruderal communities of new residential building plots in the peripheral part of the city and abandoned houses in the central part of the city. Results . Abiotic conditions for the habitats of ruderal plants are no longer natural because the local Chernozem root‐inhabited and humusaccumulative surface horizons have been almost completely stripped away. At the same time, cenotically the communities are multicomponent and floristically saturated with high projective coverage. During the process of anthropogenic vegetation evolution, a new type of cenosis has formed, which is adapted in ecological succession processes to all components of the urban ecosystem. Conclusion . The ruderal vegetation of the Rostov agglomeration is particularly resistant. It develops urban horizons, which are characterized by a high proportion of anthropogenic inclusions; household, and industrial waste, which is often contaminated with organic and inorganic pollutants. Plant communities developing on such substrates are multicomponent, floristically saturated and have formed a high degree of projective cover.","PeriodicalId":41300,"journal":{"name":"South of Russia-Ecology Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135455023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-01DOI: 10.18470/1992-1098-2023-3-8-27
Z. A. Fedotova, G. M. Nakhibasheva, G. M. Mukhtarova, K. S. Bekshokov, A. G. Gasangadzhieva
Aim . To identify complexes of gall‐forming insects and mites in the fauna of Dagestan, which, together with other inhabitants of galls, are evolutionarily associated with common plant species and genera. Materials and Methods . The materials were collected in the plains and mountains of Dagestan. Standard methods were used: inspection of plants, search and mass collection of galls; breeding imago and production of preparations of larvae and adults. Results . Assemblages of gall midges (Diptera, Cecidomyiidae), gall wasps (Hymenoptera, Cynipidae), psyllids, aphids (Hemiptera, Aphalaridae, Psyllidae, Aphididae) and gall four‐legged mites (Acari, Eriophyidae) dominate. Additionally, for the fauna of Dagestan, 7 species of 5 genera Eriophyidae and 24 species of 12 genera of insects were identified, including 16 species of 7 genera Cecidomyiidae. Newly recorded for the fauna of Russia are 3 species of 2 genera of mites and 13 species of 8 genera of gall midges: Aceria labiatiflorae (Thomas), A. thomasi (Nalepa), Paraphytoptus chondrillae (Canestrini), Contarinia cardariae Fedotova, C. desertorum Marikovskij, Arthrocnodax chondrillaphylus Fedotova, A. saliciphilus Fedotova, A. origani Fedotova, A. thymiphilus Fedotova, Ozirhincus longicollis Rondani, Dasineura scorzonerifloris Fedotova, Jaapiella chondrillae Skuhravá, Spurgia seguierianae Fedotova, Euphorbomyia loewii (Mik), Marikovskiana dentipes Marikovskij. Larvae of predatory gall midges are almost always found in mite galls. Conclusion . Information about the diversity of gall‐forming complexes in Dagestan will be useful for assessing evolutionary relationships between them and plants and will give an idea of the richness of the fauna in the organisation of protected natural areas and recreational zones.
的目标。鉴定达吉斯坦动物群中形成瘿的昆虫和螨虫的复合体，这些昆虫和其他瘿的居民在进化上与常见的植物物种和属有关。材料与方法。这些材料是在达吉斯坦的平原和山区收集的。采用标准方法:检查植物，搜索和大量收集虫瘿;幼虫和成虫的繁殖、成像和制剂的生产。结果。以瘿蚊(双翅目，瘿蚊科)、瘿蜂(膜翅目，瘿蜂科)、木虱、蚜虫(半翅目，蚜蝇科，木虱科，蚜蝇科)和瘿四足螨(蜱螨科，瘿螨科)为主。在达吉斯坦区系中，鉴定出蛇蛉科5属7种，昆虫12属24种，其中蠓科7属16种。俄罗斯新记录螨类2属3种，瘿蚊8属13种;labatiflorae (Thomas)， A. thomasi (Nalepa)， chondrillparaphytopia (Canestrini)， carcariniae Fedotova, C. desertorum Marikovskij, chondrillaphylus Fedotova, A. saliciphilus Fedotova, A. origani Fedotova, A. thymiphilus Fedotova, Ozirhincus longicollis Rondani, Dasineura scorzonerifloris Fedotova, Jaapiella chondrillae skuhravae, Spurgia seguierianae Fedotova, Euphorbomyia loewii (Mik)， Marikovskiana dentipes Marikovskij。捕食性瘿蚊的幼虫几乎总是在螨瘿中发现。结论。关于达吉斯坦胆形成复合体多样性的信息将有助于评估它们与植物之间的进化关系，并有助于了解自然保护区和休闲区组织中动物群的丰富程度。
{"title":"On the study of complexes of gall‐forming insects and mites of the fauna of Dagestan, Russia","authors":"Z. A. Fedotova, G. M. Nakhibasheva, G. M. Mukhtarova, K. S. Bekshokov, A. G. Gasangadzhieva","doi":"10.18470/1992-1098-2023-3-8-27","DOIUrl":"https://doi.org/10.18470/1992-1098-2023-3-8-27","url":null,"abstract":"Aim . To identify complexes of gall‐forming insects and mites in the fauna of Dagestan, which, together with other inhabitants of galls, are evolutionarily associated with common plant species and genera. Materials and Methods . The materials were collected in the plains and mountains of Dagestan. Standard methods were used: inspection of plants, search and mass collection of galls; breeding imago and production of preparations of larvae and adults. Results . Assemblages of gall midges (Diptera, Cecidomyiidae), gall wasps (Hymenoptera, Cynipidae), psyllids, aphids (Hemiptera, Aphalaridae, Psyllidae, Aphididae) and gall four‐legged mites (Acari, Eriophyidae) dominate. Additionally, for the fauna of Dagestan, 7 species of 5 genera Eriophyidae and 24 species of 12 genera of insects were identified, including 16 species of 7 genera Cecidomyiidae. Newly recorded for the fauna of Russia are 3 species of 2 genera of mites and 13 species of 8 genera of gall midges: Aceria labiatiflorae (Thomas), A. thomasi (Nalepa), Paraphytoptus chondrillae (Canestrini), Contarinia cardariae Fedotova, C. desertorum Marikovskij, Arthrocnodax chondrillaphylus Fedotova, A. saliciphilus Fedotova, A. origani Fedotova, A. thymiphilus Fedotova, Ozirhincus longicollis Rondani, Dasineura scorzonerifloris Fedotova, Jaapiella chondrillae Skuhravá, Spurgia seguierianae Fedotova, Euphorbomyia loewii (Mik), Marikovskiana dentipes Marikovskij. Larvae of predatory gall midges are almost always found in mite galls. Conclusion . Information about the diversity of gall‐forming complexes in Dagestan will be useful for assessing evolutionary relationships between them and plants and will give an idea of the richness of the fauna in the organisation of protected natural areas and recreational zones.","PeriodicalId":41300,"journal":{"name":"South of Russia-Ecology Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135455020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-01DOI: 10.18470/1992-1098-2023-3-60-68
Z. A. Guseynova
Aim . Study of the structure of intra‐ and interpopulation variability of Salvia canescens C.A. Mey. along an altitudinal gradient. Material and Methods . To study the morphological traits of Salvia canescens, a generative shoot was used as a «module». In four geographically isolated populations of the species, one generative shoot from 30 individuals was taken. 11 signs were taken into account on the shoots. Statistical analysis of the obtained data was carried out using the Statistica 5.5 program. The levels of variation were assessed according to G.M. Zaitsev. Results . The structure of intra‐ and interpopulation variability of S. canescens, a characteristic representative of mountain‐xerophyte vegetation and an endemic of the Greater Caucasus, was studied. According to the data obtained, the mean values of most of the studied traits of S. canescens increase with altitude. The variability of the studied traits of the species, both intra‐ and interpopulation, has an average and high levels. Most of the traits of S. canescens are positively correlated with each other at the p≤0.05 level. All traits, except for the number of internodes and leaves, are in a positive significant correlation (p≤0.001; p≤0.01) with height above sea level. The results of one‐way ANOVA and regression analyses showed significant differences between populations for most traits of the generative shoot. The maximum differentiation of populations was noted according to the traits «mass of stems» and «mass of inflorescences». Conclusions . The intra‐ and interpopulation variability of the morphological traits of Salvia canescens revealed along the altitudinal gradient is due to the ecological conditions of the species' habitat. The variability of the traits and the increase in the parameters of the generative sphere reflect the adaptation of the species along the altitudinal gradient.
{"title":"Variability of morphological traits of Salvia canescens (Lamiaceae) in natural populations of Dagestan, Russia","authors":"Z. A. Guseynova","doi":"10.18470/1992-1098-2023-3-60-68","DOIUrl":"https://doi.org/10.18470/1992-1098-2023-3-60-68","url":null,"abstract":"Aim . Study of the structure of intra‐ and interpopulation variability of Salvia canescens C.A. Mey. along an altitudinal gradient. Material and Methods . To study the morphological traits of Salvia canescens, a generative shoot was used as a «module». In four geographically isolated populations of the species, one generative shoot from 30 individuals was taken. 11 signs were taken into account on the shoots. Statistical analysis of the obtained data was carried out using the Statistica 5.5 program. The levels of variation were assessed according to G.M. Zaitsev. Results . The structure of intra‐ and interpopulation variability of S. canescens, a characteristic representative of mountain‐xerophyte vegetation and an endemic of the Greater Caucasus, was studied. According to the data obtained, the mean values of most of the studied traits of S. canescens increase with altitude. The variability of the studied traits of the species, both intra‐ and interpopulation, has an average and high levels. Most of the traits of S. canescens are positively correlated with each other at the p≤0.05 level. All traits, except for the number of internodes and leaves, are in a positive significant correlation (p≤0.001; p≤0.01) with height above sea level. The results of one‐way ANOVA and regression analyses showed significant differences between populations for most traits of the generative shoot. The maximum differentiation of populations was noted according to the traits «mass of stems» and «mass of inflorescences». Conclusions . The intra‐ and interpopulation variability of the morphological traits of Salvia canescens revealed along the altitudinal gradient is due to the ecological conditions of the species' habitat. The variability of the traits and the increase in the parameters of the generative sphere reflect the adaptation of the species along the altitudinal gradient.","PeriodicalId":41300,"journal":{"name":"South of Russia-Ecology Development","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135455019","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：