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Publisher: Springer-Verlag   (Total: 2345 journals)

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Showing 1 - 200 of 2345 Journals sorted alphabetically
3D Research     Hybrid Journal   (Followers: 19, SJR: 0.214, h-index: 10)
4OR: A Quarterly J. of Operations Research     Hybrid Journal   (Followers: 9, SJR: 1.073, h-index: 25)
AAPS J.     Hybrid Journal   (Followers: 20, SJR: 1.192, h-index: 74)
AAPS PharmSciTech     Hybrid Journal   (Followers: 6, SJR: 0.718, h-index: 54)
Abdominal Imaging     Hybrid Journal   (Followers: 14, SJR: 0.723, h-index: 60)
Abhandlungen aus dem Mathematischen Seminar der Universitat Hamburg     Hybrid Journal   (Followers: 2, SJR: 0.447, h-index: 12)
Academic Psychiatry     Full-text available via subscription   (Followers: 22, SJR: 0.492, h-index: 32)
Academic Questions     Hybrid Journal   (Followers: 7, SJR: 0.135, h-index: 6)
Accreditation and Quality Assurance: J. for Quality, Comparability and Reliability in Chemical Measurement     Hybrid Journal   (Followers: 26, SJR: 0.378, h-index: 30)
Acoustical Physics     Hybrid Journal   (Followers: 10, SJR: 0.355, h-index: 20)
Acoustics Australia     Hybrid Journal  
Acta Analytica     Hybrid Journal   (Followers: 7, SJR: 0.387, h-index: 6)
Acta Applicandae Mathematicae     Hybrid Journal   (Followers: 1, SJR: 0.624, h-index: 34)
Acta Biotheoretica     Hybrid Journal   (Followers: 5, SJR: 0.419, h-index: 25)
Acta Diabetologica     Hybrid Journal   (Followers: 14, SJR: 1.318, h-index: 46)
Acta Endoscopica     Hybrid Journal   (Followers: 1, SJR: 0.113, h-index: 8)
acta ethologica     Hybrid Journal   (Followers: 4, SJR: 0.465, h-index: 23)
Acta Geochimica     Hybrid Journal   (Followers: 3)
Acta Geodaetica et Geophysica     Hybrid Journal   (Followers: 1, SJR: 0.294, h-index: 13)
Acta Geotechnica     Hybrid Journal   (Followers: 7, SJR: 1.818, h-index: 22)
Acta Informatica     Hybrid Journal   (Followers: 5, SJR: 0.524, h-index: 32)
Acta Mathematica     Hybrid Journal   (Followers: 11, SJR: 8.021, h-index: 47)
Acta Mathematica Hungarica     Hybrid Journal   (Followers: 2, SJR: 0.53, h-index: 29)
Acta Mathematica Sinica, English Series     Hybrid Journal   (Followers: 5, SJR: 0.406, h-index: 30)
Acta Mathematica Vietnamica     Hybrid Journal   (SJR: 0.451, h-index: 5)
Acta Mathematicae Applicatae Sinica, English Series     Hybrid Journal   (SJR: 0.22, h-index: 20)
Acta Mechanica     Hybrid Journal   (Followers: 19, SJR: 0.898, h-index: 52)
Acta Mechanica Sinica     Hybrid Journal   (Followers: 5, SJR: 0.426, h-index: 29)
Acta Metallurgica Sinica (English Letters)     Hybrid Journal   (Followers: 5, SJR: 0.525, h-index: 18)
Acta Meteorologica Sinica     Hybrid Journal   (Followers: 3, SJR: 0.524, h-index: 14)
Acta Neurochirurgica     Hybrid Journal   (Followers: 6, SJR: 0.833, h-index: 73)
Acta Neurologica Belgica     Hybrid Journal   (SJR: 0.348, h-index: 27)
Acta Neuropathologica     Hybrid Journal   (Followers: 3, SJR: 6.61, h-index: 117)
Acta Oceanologica Sinica     Hybrid Journal   (Followers: 3, SJR: 0.295, h-index: 17)
Acta Parasitologica     Hybrid Journal   (Followers: 9, SJR: 0.581, h-index: 28)
Acta Physiologiae Plantarum     Hybrid Journal   (Followers: 2, SJR: 0.551, h-index: 39)
Acta Politica     Hybrid Journal   (Followers: 13, SJR: 0.658, h-index: 20)
adhäsion KLEBEN & DICHTEN     Hybrid Journal   (Followers: 5, SJR: 0.103, h-index: 4)
ADHD Attention Deficit and Hyperactivity Disorders     Hybrid Journal   (Followers: 20, SJR: 0.871, h-index: 15)
Adhesion Adhesives & Sealants     Hybrid Journal   (Followers: 7)
Administration and Policy in Mental Health and Mental Health Services Research     Partially Free   (Followers: 14, SJR: 0.795, h-index: 40)
Adsorption     Hybrid Journal   (Followers: 4, SJR: 0.774, h-index: 52)
Advances in Applied Clifford Algebras     Hybrid Journal   (Followers: 3, SJR: 0.319, h-index: 15)
Advances in Atmospheric Sciences     Hybrid Journal   (Followers: 34, SJR: 0.959, h-index: 44)
Advances in Computational Mathematics     Hybrid Journal   (Followers: 15, SJR: 1.255, h-index: 44)
Advances in Contraception     Hybrid Journal   (Followers: 2)
Advances in Data Analysis and Classification     Hybrid Journal   (Followers: 53, SJR: 1.113, h-index: 14)
Advances in Gerontology     Partially Free   (Followers: 9, SJR: 0.141, h-index: 3)
Advances in Health Sciences Education     Hybrid Journal   (Followers: 23, SJR: 1.397, h-index: 42)
Advances in Manufacturing     Hybrid Journal   (Followers: 3, SJR: 0.2, h-index: 4)
Advances in Polymer Science     Hybrid Journal   (Followers: 40, SJR: 0.637, h-index: 89)
Advances in Therapy     Hybrid Journal   (Followers: 5, SJR: 0.79, h-index: 44)
Aegean Review of the Law of the Sea and Maritime Law     Hybrid Journal   (Followers: 7)
Aequationes Mathematicae     Hybrid Journal   (Followers: 2, SJR: 0.882, h-index: 23)
Aerobiologia     Hybrid Journal   (Followers: 1, SJR: 0.511, h-index: 36)
Aesthetic Plastic Surgery     Hybrid Journal   (Followers: 8, SJR: 0.821, h-index: 49)
African Archaeological Review     Hybrid Journal   (Followers: 14, SJR: 0.612, h-index: 24)
Afrika Matematika     Hybrid Journal   (Followers: 1, SJR: 0.248, h-index: 6)
AGE     Hybrid Journal   (Followers: 7, SJR: 1.358, h-index: 33)
Ageing Intl.     Hybrid Journal   (Followers: 7, SJR: 0.337, h-index: 10)
Aggiornamenti CIO     Hybrid Journal   (Followers: 1)
Aging Clinical and Experimental Research     Hybrid Journal   (Followers: 3, SJR: 0.529, h-index: 55)
Agricultural Research     Hybrid Journal   (Followers: 3)
Agriculture and Human Values     Hybrid Journal   (Followers: 12, SJR: 1.197, h-index: 49)
Agroforestry Systems     Hybrid Journal   (Followers: 19, SJR: 0.64, h-index: 56)
Agronomy for Sustainable Development     Hybrid Journal   (Followers: 10, SJR: 1.732, h-index: 59)
AI & Society     Hybrid Journal   (Followers: 6, SJR: 0.171, h-index: 19)
AIDS and Behavior     Hybrid Journal   (Followers: 13, SJR: 2.006, h-index: 71)
Air Quality, Atmosphere & Health     Hybrid Journal   (Followers: 3, SJR: 0.706, h-index: 19)
Akupunktur & Aurikulomedizin     Full-text available via subscription   (Followers: 1)
Algebra and Logic     Hybrid Journal   (Followers: 3, SJR: 0.566, h-index: 18)
Algebra Universalis     Hybrid Journal   (Followers: 2, SJR: 0.388, h-index: 22)
Algebras and Representation Theory     Hybrid Journal   (Followers: 1, SJR: 0.868, h-index: 20)
Algorithmica     Hybrid Journal   (Followers: 7, SJR: 0.898, h-index: 56)
Allergo J.     Full-text available via subscription   (Followers: 1, SJR: 0.183, h-index: 20)
Allergo J. Intl.     Hybrid Journal   (Followers: 2)
Alpine Botany     Hybrid Journal   (Followers: 4, SJR: 0.729, h-index: 20)
ALTEX : Alternatives to Animal Experimentation     Open Access   (Followers: 3, SJR: 1.392, h-index: 32)
AMBIO     Hybrid Journal   (Followers: 14, SJR: 1.094, h-index: 87)
American J. of Cardiovascular Drugs     Hybrid Journal   (Followers: 10, SJR: 0.864, h-index: 39)
American J. of Community Psychology     Hybrid Journal   (Followers: 24, SJR: 1.237, h-index: 83)
American J. of Criminal Justice     Hybrid Journal   (Followers: 7, SJR: 0.634, h-index: 13)
American J. of Cultural Sociology     Hybrid Journal   (Followers: 11, SJR: 0.283, h-index: 3)
American J. of Dance Therapy     Hybrid Journal   (Followers: 4, SJR: 0.175, h-index: 13)
American J. of Potato Research     Hybrid Journal   (Followers: 2, SJR: 0.558, h-index: 35)
American J. of Psychoanalysis     Hybrid Journal   (Followers: 21, SJR: 0.293, h-index: 13)
American Sociologist     Hybrid Journal   (Followers: 12, SJR: 0.18, h-index: 13)
Amino Acids     Hybrid Journal   (Followers: 7, SJR: 1.362, h-index: 83)
AMS Review     Partially Free   (Followers: 4)
Analog Integrated Circuits and Signal Processing     Hybrid Journal   (Followers: 5, SJR: 0.21, h-index: 37)
Analysis and Mathematical Physics     Hybrid Journal   (Followers: 4, SJR: 0.665, h-index: 7)
Analysis in Theory and Applications     Hybrid Journal  
Analysis of Verbal Behavior     Hybrid Journal   (Followers: 4)
Analytical and Bioanalytical Chemistry     Hybrid Journal   (Followers: 28, SJR: 1.096, h-index: 123)
Anatomical Science Intl.     Hybrid Journal   (Followers: 2, SJR: 0.301, h-index: 26)
Angewandte Schmerztherapie und Palliativmedizin     Hybrid Journal  
Angiogenesis     Hybrid Journal   (Followers: 3, SJR: 2.212, h-index: 69)
Animal Cognition     Hybrid Journal   (Followers: 16, SJR: 1.122, h-index: 55)
Annales françaises de médecine d'urgence     Hybrid Journal   (Followers: 1, SJR: 0.156, h-index: 4)
Annales Henri Poincaré     Hybrid Journal   (Followers: 3, SJR: 1.377, h-index: 32)
Annales mathématiques du Québec     Hybrid Journal   (Followers: 4)
Annali dell'Universita di Ferrara     Hybrid Journal   (SJR: 0.504, h-index: 14)
Annali di Matematica Pura ed Applicata     Hybrid Journal   (Followers: 1, SJR: 1.167, h-index: 26)
Annals of Behavioral Medicine     Hybrid Journal   (Followers: 12, SJR: 2.112, h-index: 98)
Annals of Biomedical Engineering     Hybrid Journal   (Followers: 18, SJR: 1.182, h-index: 94)
Annals of Combinatorics     Hybrid Journal   (Followers: 3, SJR: 0.849, h-index: 15)
Annals of Data Science     Hybrid Journal   (Followers: 8)
Annals of Dyslexia     Hybrid Journal   (Followers: 9, SJR: 0.857, h-index: 40)
Annals of Finance     Hybrid Journal   (Followers: 28, SJR: 0.686, h-index: 14)
Annals of Forest Science     Hybrid Journal   (Followers: 4, SJR: 0.929, h-index: 57)
Annals of Global Analysis and Geometry     Hybrid Journal   (Followers: 1, SJR: 1.136, h-index: 23)
Annals of Hematology     Hybrid Journal   (Followers: 14, SJR: 1.117, h-index: 62)
Annals of Mathematics and Artificial Intelligence     Hybrid Journal   (Followers: 6, SJR: 0.593, h-index: 42)
Annals of Microbiology     Hybrid Journal   (Followers: 9, SJR: 0.402, h-index: 26)
Annals of Nuclear Medicine     Hybrid Journal   (Followers: 5, SJR: 0.68, h-index: 45)
Annals of Operations Research     Hybrid Journal   (Followers: 8, SJR: 1.186, h-index: 78)
Annals of Ophthalmology     Hybrid Journal   (Followers: 9)
Annals of Regional Science     Hybrid Journal   (Followers: 7, SJR: 0.405, h-index: 42)
Annals of Software Engineering     Hybrid Journal   (Followers: 12)
Annals of Solid and Structural Mechanics     Hybrid Journal   (Followers: 10, SJR: 0.553, h-index: 8)
Annals of Surgical Oncology     Hybrid Journal   (Followers: 11, SJR: 1.902, h-index: 127)
Annals of Telecommunications     Hybrid Journal   (Followers: 7, SJR: 0.315, h-index: 25)
Annals of the Institute of Statistical Mathematics     Hybrid Journal   (Followers: 1, SJR: 0.931, h-index: 31)
Antonie van Leeuwenhoek     Hybrid Journal   (Followers: 5, SJR: 0.992, h-index: 87)
Apidologie     Hybrid Journal   (Followers: 4, SJR: 1.14, h-index: 57)
APOPTOSIS     Hybrid Journal   (Followers: 8, SJR: 1.554, h-index: 87)
Applicable Algebra in Engineering, Communication and Computing     Hybrid Journal   (Followers: 2, SJR: 0.354, h-index: 27)
Applications of Mathematics     Hybrid Journal   (Followers: 1, SJR: 0.274, h-index: 20)
Applied Biochemistry and Biotechnology     Hybrid Journal   (Followers: 44, SJR: 0.575, h-index: 80)
Applied Biochemistry and Microbiology     Hybrid Journal   (Followers: 17, SJR: 0.267, h-index: 26)
Applied Categorical Structures     Hybrid Journal   (Followers: 2, SJR: 0.361, h-index: 21)
Applied Composite Materials     Hybrid Journal   (Followers: 47, SJR: 0.705, h-index: 35)
Applied Entomology and Zoology     Partially Free   (Followers: 2, SJR: 0.554, h-index: 34)
Applied Geomatics     Hybrid Journal   (Followers: 3, SJR: 0.323, h-index: 9)
Applied Geophysics     Hybrid Journal   (Followers: 7, SJR: 0.541, h-index: 13)
Applied Intelligence     Hybrid Journal   (Followers: 13, SJR: 0.777, h-index: 43)
Applied Magnetic Resonance     Hybrid Journal   (Followers: 3, SJR: 0.358, h-index: 34)
Applied Mathematics & Optimization     Hybrid Journal   (Followers: 4, SJR: 0.955, h-index: 33)
Applied Mathematics - A J. of Chinese Universities     Hybrid Journal   (SJR: 0.275, h-index: 8)
Applied Mathematics and Mechanics     Hybrid Journal   (Followers: 4, SJR: 0.37, h-index: 26)
Applied Microbiology and Biotechnology     Hybrid Journal   (Followers: 61, SJR: 1.262, h-index: 161)
Applied Physics A     Hybrid Journal   (Followers: 7, SJR: 0.535, h-index: 121)
Applied Physics B: Lasers and Optics     Hybrid Journal   (Followers: 23, SJR: 0.983, h-index: 104)
Applied Psychophysiology and Biofeedback     Hybrid Journal   (Followers: 7, SJR: 0.677, h-index: 47)
Applied Research in Quality of Life     Hybrid Journal   (Followers: 10, SJR: 0.288, h-index: 15)
Applied Solar Energy     Hybrid Journal   (Followers: 16, SJR: 0.251, h-index: 6)
Applied Spatial Analysis and Policy     Hybrid Journal   (Followers: 4, SJR: 0.351, h-index: 9)
Aquaculture Intl.     Hybrid Journal   (Followers: 22, SJR: 0.613, h-index: 40)
Aquarium Sciences and Conservation     Hybrid Journal   (Followers: 1)
Aquatic Ecology     Hybrid Journal   (Followers: 30, SJR: 0.646, h-index: 44)
Aquatic Geochemistry     Hybrid Journal   (Followers: 3, SJR: 0.764, h-index: 39)
Aquatic Sciences     Hybrid Journal   (Followers: 12, SJR: 1.172, h-index: 53)
Arabian J. for Science and Engineering     Hybrid Journal   (Followers: 5, SJR: 0.345, h-index: 20)
Arabian J. of Geosciences     Hybrid Journal   (Followers: 1, SJR: 0.417, h-index: 16)
Archaeological and Anthropological Sciences     Hybrid Journal   (Followers: 21, SJR: 1.056, h-index: 15)
Archaeologies     Hybrid Journal   (Followers: 12, SJR: 0.397, h-index: 13)
Archiv der Mathematik     Hybrid Journal   (Followers: 1, SJR: 0.597, h-index: 29)
Archival Science     Hybrid Journal   (Followers: 52, SJR: 0.804, h-index: 22)
Archive for History of Exact Sciences     Hybrid Journal   (Followers: 7, SJR: 0.28, h-index: 15)
Archive for Mathematical Logic     Hybrid Journal   (Followers: 1, SJR: 0.946, h-index: 23)
Archive for Rational Mechanics and Analysis     Hybrid Journal   (SJR: 4.091, h-index: 66)
Archive of Applied Mechanics     Hybrid Journal   (Followers: 4, SJR: 0.865, h-index: 40)
Archives and Museum Informatics     Hybrid Journal   (Followers: 125)
Archives of Computational Methods in Engineering     Hybrid Journal   (Followers: 4, SJR: 2.841, h-index: 40)
Archives of Dermatological Research     Hybrid Journal   (Followers: 6, SJR: 0.9, h-index: 65)
Archives of Environmental Contamination and Toxicology     Hybrid Journal   (Followers: 10, SJR: 0.846, h-index: 84)
Archives of Gynecology and Obstetrics     Hybrid Journal   (Followers: 17, SJR: 0.695, h-index: 47)
Archives of Microbiology     Hybrid Journal   (Followers: 8, SJR: 0.702, h-index: 85)
Archives of Orthopaedic and Trauma Surgery     Hybrid Journal   (Followers: 8, SJR: 1.039, h-index: 56)
Archives of Osteoporosis     Hybrid Journal   (Followers: 2, SJR: 1.092, h-index: 13)
Archives of Sexual Behavior     Hybrid Journal   (Followers: 9, SJR: 1.198, h-index: 74)
Archives of Toxicology     Hybrid Journal   (Followers: 16, SJR: 1.595, h-index: 76)
Archives of Virology     Hybrid Journal   (Followers: 5, SJR: 1.086, h-index: 90)
Archives of Women's Mental Health     Hybrid Journal   (Followers: 13, SJR: 1.264, h-index: 50)
Archivio di Ortopedia e Reumatologia     Hybrid Journal  
Archivum Immunologiae et Therapiae Experimentalis     Hybrid Journal   (Followers: 2, SJR: 1.2, h-index: 42)
ArgoSpine News & J.     Hybrid Journal   (SJR: 0.102, h-index: 3)
Argumentation     Hybrid Journal   (Followers: 5, SJR: 0.295, h-index: 18)
Arid Ecosystems     Hybrid Journal   (Followers: 3)
Arkiv för Matematik     Hybrid Journal   (Followers: 1, SJR: 0.948, h-index: 22)
Arnold Mathematical J.     Hybrid Journal   (Followers: 1)
Arthropod-Plant Interactions     Hybrid Journal   (Followers: 1, SJR: 0.797, h-index: 17)
Arthroskopie     Hybrid Journal   (Followers: 1, SJR: 0.145, h-index: 8)
Artificial Intelligence and Law     Hybrid Journal   (Followers: 9, SJR: 0.288, h-index: 25)
Artificial Intelligence Review     Hybrid Journal   (Followers: 14, SJR: 0.948, h-index: 48)
Artificial Life and Robotics     Hybrid Journal   (Followers: 7, SJR: 0.231, h-index: 14)
Asia Europe J.     Hybrid Journal   (Followers: 4, SJR: 0.247, h-index: 9)
Asia Pacific Education Review     Hybrid Journal   (Followers: 9, SJR: 0.371, h-index: 17)
Asia Pacific J. of Management     Hybrid Journal   (Followers: 12, SJR: 1.676, h-index: 50)
Asia-Pacific Education Researcher     Hybrid Journal   (Followers: 11, SJR: 0.353, h-index: 13)
Asia-Pacific Financial Markets     Hybrid Journal   (Followers: 2, SJR: 0.19, h-index: 15)
Asia-Pacific J. of Atmospheric Sciences     Hybrid Journal   (Followers: 20, SJR: 1.006, h-index: 14)
Asian Business & Management     Hybrid Journal   (Followers: 7, SJR: 0.41, h-index: 10)
Asian J. of Business Ethics     Hybrid Journal   (Followers: 7)
Asian J. of Criminology     Hybrid Journal   (Followers: 5, SJR: 0.263, h-index: 8)
AStA Advances in Statistical Analysis     Hybrid Journal   (Followers: 2, SJR: 0.681, h-index: 15)
AStA Wirtschafts- und Sozialstatistisches Archiv     Hybrid Journal   (Followers: 5, SJR: 0.195, h-index: 5)
ästhetische dermatologie & kosmetologie     Full-text available via subscription  
Astronomy and Astrophysics Review     Hybrid Journal   (Followers: 21, SJR: 4.511, h-index: 44)
Astronomy Letters     Hybrid Journal   (Followers: 20, SJR: 0.58, h-index: 30)

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Journal Cover Arid Ecosystems
  [3 followers]  Follow
    
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 2079-0961 - ISSN (Online) 2079-0988
   Published by Springer-Verlag Homepage  [2345 journals]
  • Regional distribution patterns of soils in delta ecosystems and their
           potential use on different continents
    • Authors: Z. G. Zalibekov; A. B. Biarslanov; S. A. Mamaev; D. B. Asgerova; U. M. Galimova; M. S. Sultankhamedov
      Pages: 73 - 79
      Abstract: New approaches using mathematical methods have been developed for estimation of the effect of undrained plain heights in delta ecosystems on soil diversity. This makes it possible to consider the effect of positive elements in the delta plain located below the zero marks that favoring the formation of local drainage. Models have been developed from the height gradients of the Terek–Kuma Lowland by the least squares method. The proposed method has revealed the soil diversity and spatial parameters characteristic of alluvialdelta coastal plains common to different continents.
      PubDate: 2017-04-01
      DOI: 10.1134/s2079096117020111
      Issue No: Vol. 7, No. 2 (2017)
       
  • Gypsification processes and porosity changes in soils from southern Iran
           (Jooyom region-Fars province)
    • Authors: Sahar Fazeli; Ali Abtahi; Rosa M. Poch; Hakime Abbaslou
      Pages: 80 - 91
      Abstract: Population growth are leading to intensive and extensive land use even in gypsiferous and gypseous soils which resulted in a greater demand for information of these common soils. The soils of Jooyom region located in southern Iran were studied in order to estimate the rates of soil formation processes, such as gypsum accumulation, and how they affect soil porosity. Soils have gypsum contents ranging from 0.02 to 42.1%, which increases with depth. In the field, gypsum accumulations are described as powdery nodules and vermiform gypsum. Different kinds of micromorphological pedofeatures related to gypsum are observed, which include infillings and coatings of gypsum crystals, typic nodules and crystal twins. Nodules of micrite pseudomorphs after lenticular gypsum are found, where calcite has substituted the original gypsum, which are indicators of a more arid climate in the past, followed by a more humid one. The extent, morphology and size of gypsum crystals depend on the pedogenic processes. In regard to micromorphological classification of gypsiferous soil materials, they are classified in two groups of Eogypsic and Gypsic. Soil porosity changes related to gypsum accumulation were studied and quantified by image analysis. The understanding the retention and movement of water and air in the soil; therefore, these results have a practical importance for land use and management of gypsiferous soils.
      PubDate: 2017-04-01
      DOI: 10.1134/s2079096117020093
      Issue No: Vol. 7, No. 2 (2017)
       
  • Utilization of cosmic factors by pasture phytocenosis on various types of
           soils in the northwestern Caspian Sea region
    • Authors: G. N. Hasanov; T. A. Asvarova; M. K. Gadzhiev; Z. N. Ahmedova; A. S. Abdulaeva; R. R. Bashirov
      Pages: 92 - 96
      Abstract: The research data on the potential productivity of light-chestnut and meadow-chestnut soils of semidesert, the species composition of pasture phytocenosis under reservation conditions, and utilization coefficient of photosynthetically active radiation were analyzed with respect to the annual and seasonal water and temperature conditions.
      PubDate: 2017-04-01
      DOI: 10.1134/s2079096117020044
      Issue No: Vol. 7, No. 2 (2017)
       
  • Geoinformation system of assessment of the susceptibility of arid area
           landscapes in the Terek-Kuma Lowland to pollution
    • Authors: I. M. Gazaliev; I. A. Idrisov; A. M. Achmedov
      Pages: 97 - 102
      Abstract: The Terek-Kuma Lowland is characterized by a wide range of anthropogenic impacts. At the same time, with respect to other arid regions of Dagestan, the anthropogenic impact on the geological environment (hydrocarbon and artesian water extraction) is of great importance. The extensive development of sandy soils and the development of animal husbandry also lead to a number of significant geoenvironmental problems. Assessment of the current geoenvironmental state of the area shows that the degree of degradation of the landscapes is small, while the possibility of their self-regeneration is at a high level.
      PubDate: 2017-04-01
      DOI: 10.1134/s2079096117020056
      Issue No: Vol. 7, No. 2 (2017)
       
  • Structures of small mammal populations and communities in Steppe
           ecosystems of the Caspian northwest coastal area and Eastern Mongolia
    • Authors: K. Z. Omarov
      Pages: 103 - 107
      Abstract: The responses of populations and communities of small mammals have been studied under different grazing regimens. It is shown that overgrazing and grazing restriction can have a considerable impact on the population status, demographic structure, and alspecies composition of small mammals in the Caspian northwest coast area (Nogai Steppe) and the steppes of Eastern Mongolia
      PubDate: 2017-04-01
      DOI: 10.1134/s2079096117020081
      Issue No: Vol. 7, No. 2 (2017)
       
  • On the conditions of maintaining the ecological balance on gas and oil
           fields
    • Authors: M.-P. B. Aytekov
      Pages: 108 - 111
      Abstract: The concentrations of radionuclides responsible for radioactive contamination have been determined in an oilfield area based on the example of the Duzlak oilfield, where a gamma survey was previously conducted. The collector and drainage channel bordering the area is shown to lack effectiveness. An evaluation was given for travertines as a construction material. Measures for isolating the salts of radioactive and other elements that accumulated in the considered area are proposed.
      PubDate: 2017-04-01
      DOI: 10.1134/s2079096117020020
      Issue No: Vol. 7, No. 2 (2017)
       
  • Effect of the elemental composition of soils on the reproductive organs of
           permanent crops in relation to the altitudinal gradient
    • Authors: O. K. Vlasova; G. G. Magomedov
      Pages: 112 - 115
      Abstract: The qualitative composition and quantitative content of mineral substances in the soils and fruits of Prunus armeniaca L. and Malus domestica Borkh. cultivated in the environmental conditions of the plains and foothills of central Daghestan has been estimated. The adaptation of apricot and apple trees to the natural factors of the lower foothills results in higher sugar concentrations in their fruits in comparison with trees growing on plains; the apricot and apple trees growing on lower foothills concentrate more Ca and P, while the contents of K, Na, Mg, and Cu in their fruits are reduced. Plants of the same species growing on soils with different contents of mineral substances differ by the total content of macro- and microelements in their fruits but accumulate roughly equivalent levels of P, Na, Ca, Cu, Ni, and Pb.
      PubDate: 2017-04-01
      DOI: 10.1134/s207909611702010x
      Issue No: Vol. 7, No. 2 (2017)
       
  • Extremophilic microbial communities of saline soils and their diversity in
           the regions of the Caspian Depression
    • Authors: E. A. Khalilova; S. Ts. Kotenko; E. A. Islammagomedova; R. Z. Gasanov; A. A. Abakarova; D. A. Aliverdieva
      Pages: 116 - 120
      Abstract: The microbial communities of alkali-saline soils and halophytes of the Caspian Depression regions have been studied for the first time. Over 40 species and forms of bacteria have been revealed. Along with a wide variety of soil microorganisms, bacteria of the genera Bacillus and Salimicrobium are the main components of the extremophilic microbial communities; their detection is one of the indices of the taxonomical structure determination, which is closely related to the ecosystem type.
      PubDate: 2017-04-01
      DOI: 10.1134/s2079096117020068
      Issue No: Vol. 7, No. 2 (2017)
       
  • Comparative analysis of the morphometric signsvariability and vitality of
           two Jurinea ciscaucasica (Sosn.) Iljin coenopopulations
    • Authors: N. A. Magomedova; A. I. Adjieva
      Pages: 121 - 124
      Abstract: A comparative study of the morphometric traits and vitality of Sarykum and coastal Jurinea ciscaucasica coenopopulations, revealing higher results than for those from the seaside. The quality of life of the Sarykum coenopopulation is generally high, while the other is low and its depressive character is an alarming symptom that requires further monitoring studies.
      PubDate: 2017-04-01
      DOI: 10.1134/s207909611702007x
      Issue No: Vol. 7, No. 2 (2017)
       
  • The dynamics of mobile iodine forms in components of arid ecosystems of
           the Western Caspians
    • Authors: N. T. Gadzhimusieva; A. A. Saidieva
      Pages: 125 - 129
      Abstract: Multiyear studies on the dynamics of iodine accumulation and migration processes in the soil–plant system are summarized. The characteristics of seasonal rhythms of iodine consumption by natural vegetation and agrophytocenosis are given, and the role of soil humus in the accumulation of mobile forms of iodine are defined. Indicators of the seasonal cycle and the dynamics of the outflow of mobile element forms from soil to plant vegetative organs are described. The reserves of total iodine forms indicate potential enrichment with mobile forms and the elimination of iodine deficiency of the soils of the Western Caspian Sea region.
      PubDate: 2017-04-01
      DOI: 10.1134/s2079096117020032
      Issue No: Vol. 7, No. 2 (2017)
       
  • Biological activity of anthropogenic mountain soils of medieval
           agricultural terraces of mountainous Dagestan
    • Authors: N. N. Kashirskaya; E. V. Chernisheva; A. K. Khodzaeva; A. V. Borisov
      Pages: 1 - 10
      Abstract: The study of agricultural terraces in mountainous Dagestan that date to the Middle Ages revealed the polygenetic character of anthropogenic soils, which reflects the main stages of their evolution. In light of their long-term burial, the soil layers of the preanthropogenic stage of evolution were characterized by fairly high values of biological activity, with the exception of the biomass of fungal mycelium, a small amount of which remained. At the early agrogenic stage, soil plowing without irrigation did not significantly change their microbiological properties; however, the increase in urease activity in some studied profiles may indicate that cattle fertilizers were applied in some areas of the terraces. During the Little Ice Age (the 16–18th centuries A.D.) the terraces were abandoned, which led to the accumulation of organic carbon in the soils as a result of the fallow process, as well as an increase in their enzymatic activity. The second agrogenic stage with irrigation was characterized by a noticeable growth in the active microbial biomass, the soil phosphatase activity, and, in particular, the urease activity, which may indicate that farming was intensive and organic fertilizers were applied. In the last 20 years, the development of terraces under natural conditions led to a noticeable growth in the biological activity of upper fallow horizons. However, the urease activity significantly decreased in nonirrigated areas, whereas the indicators of microbial biomass remained at the same level.
      PubDate: 2017-01-01
      DOI: 10.1134/s2079096117010085
      Issue No: Vol. 7, No. 1 (2017)
       
  • Components of C and N cycles in natural and anthropogenic ecosystems of
           semideserts of the northern Caspian area
    • Authors: N. Yu. Kulakova; B. D. Abaturov; Yu. D. Nukhimovskaya
      Pages: 11 - 18
      Abstract: Changes in the amounts and dynamics of the deposition of carbon and nitrogen in the soil surface of anthropogenic pasture and forest ecosystems created in places of natural steppe and desert plant associations in the Northern Cis-Caspian area were studied. For two years after input, the litter of oak stands (Quercus robur) deposited 1.3 times more carbon and about the same amount of nitrogen as compared to the steppe litter, even though the mass of litter input in the forest plantation was 1.4 times less than that in the grass ecosystem. The values of carbon and nitrogen contents in the soil under steppe vegetation and under plantation were similar, but there was a redistribution of carbon and nitrogen contents in the forest soil. The carbon contents in the forest litter and 0–5 cm layer make up 33% of the contents in the litter and in 0–50 cm soil layer. The respective value was 22% under the steppe vegetation; the nitrogen contents were 2.9 and 2.0%, respectively. Due to intensive grazing, the ecosystems of microdepressions obtain 1.6–1.7 times less carbon and nitrogen than those of virgin plots. This value was 1.4 for the ecosystem of microelevations. A significant decrease in the contents of carbon and nitrogen was observed in the litter and 0–5 cm layer of meadow–chestnut soils of microdepressions under the pressure of intensive grazing.
      PubDate: 2017-01-01
      DOI: 10.1134/s2079096117010097
      Issue No: Vol. 7, No. 1 (2017)
       
  • The impact of droughts on the mineralization of reservoirs in northeastern
           Brazil
    • Authors: Yu. S. Dacenko
      Pages: 19 - 22
      Abstract: The climatic features of northeastern Brazil result in the almost complete absence of river runoff during drought periods. The extreme irregularity of runoff in the reservoirs of the region leads to an increase in water salinity by the end of the drought. The degree of mineralization growth with respect to the reservoir volume at the beginning of the dry period and the amount of water abstraction from this reservoir during this period was estimated via the calculation of water mineralization for conditions in which there is no flow to reservoirs. These estimates are presented in the form of graphical calculation diagrams for three reservoirs of the Brazilian Ceará state.
      PubDate: 2017-01-01
      DOI: 10.1134/s2079096117010048
      Issue No: Vol. 7, No. 1 (2017)
       
  • Plant communities of the lower reaches of the Volga River on soils with
           strongly seasonal dynamics of salinization
    • Authors: V. B. Golub; A. V. Chuvashov; V. V. Bondareva; L. F. Nikolaichuk
      Pages: 23 - 30
      Abstract: The database EU-RU-002 of the Lower Volga valley vegetation plots has been analyzed. The database contains the characteristics of 15029 relevés located in the region in the period from 1924 to 2013. Two associations, Alismato‒Salicornietum Golub 1985, and Crypsido aculeatae‒Salsoletum sodae ass. nova, have been discovered. These associations include halophytes and glycophytes on the same sample plots. Analysis of water extracts from soil samples made it possible to determine significant dynamics of the toxicity of a soil solution during the year. These changes are related to the hydrological regime of the Volga River.
      PubDate: 2017-01-01
      DOI: 10.1134/s207909611701005x
      Issue No: Vol. 7, No. 1 (2017)
       
  • Phytocenotic characteristic of the Achnatherum splendens (trin.) Nevski
           communities of western Transbaikalia
    • Authors: M. G. Merkusheva; A. L. Baldanova; L. N. Boloneva; I. N. Lavrent’eva
      Pages: 31 - 40
      Abstract: The phytocenotic characteristics of cheegrass (Achnatherum splendens (trin.) Nevski) communities developed on solonchaks in the haloxerophytic steppe of western Transbaikalia are given. The specific features of their composition and structure have been revealed. The similarity of the species composition of cheegrass communities is slight or medium. The botanical composition accounts for 14 species of halophytes and 17 species of halotolerant glycophytes. The communities and their production are mainly formed by three to four species, including the dominants. The production of the cheegrass communities is at a normal level (1626 g/m2 per year).
      PubDate: 2017-01-01
      DOI: 10.1134/s2079096116040041
      Issue No: Vol. 7, No. 1 (2017)
       
  • Analysis of the current status of populations of rare plant species of
           nature monument Troicki chalk mountains (Orenburg region)
    • Authors: O. A. Karimova; L. M. Abramova; Ya. M. Golovanov
      Pages: 41 - 48
      Abstract: the results are presented for the study of four rare species in the Troicki chalk mountains: Anthemis trotzkiana Claus., Matthiola fragrans Bunge, Lepidium meyeri Claus, and Zygophyllum pinnatum Cham. The total density of the studied coenopopulations ranged from 2.2 to 6.1 copies/m2, and the effective density was 1.5–4.2 copies/m2. Coenopopulations are normally incomplete, most typically lacking the spectrum of seedlings, juvenile and senile individuals, and generative individuals that peak in middle-age. Coenopopulations Anthemis trotzkiana lack postsenile individuals. By the “delta-omega” classification, coenopopulations Anthemis trotzkiana, Matthiola fragrans are growing old, Lepidium meyeri are transitional, and Zygophyllum pinnatum are mature. The indices of recovery and senescence are 0.03–0.36 and 0.03–0.72, respectively. High levels of variability and plasticity of morphometric characters have been registered.
      PubDate: 2017-01-01
      DOI: 10.1134/s2079096117010073
      Issue No: Vol. 7, No. 1 (2017)
       
  • Distribution and ecological features of Peganum harmala L. in the environs
           of Lake Baskunchak (Astrakhan oblast)
    • Authors: K. A. Grebennikov
      Pages: 49 - 51
      Abstract: The modern distribution of Peganum harmala (Peganum harmala L.) in the environs of Lake Baskunchak (including the Bogdinsko–Baskunchakskiy Nature Reserve), where the species has been found for the first time, is shown. The distribution trends of the species and its indicator role in assessing the state of natural ecosystems in the area under study are discussed.
      PubDate: 2017-01-01
      DOI: 10.1134/s2079096117010061
      Issue No: Vol. 7, No. 1 (2017)
       
  • History of research on biodiversity in Crimean hypersaline waters
    • Authors: E. V. Anufriieva; N. V. Shadrin; S. N. Shadrina
      Pages: 52 - 58
      Abstract: The paper reviews the history of research on the biodiversity of hypersaline waters in the Crimean arid zone from the end of the 18th century to the present. Summing up the accumulated knowledge on biodiversity of these water bodies, the authors have noted the presence of 290 species of eukaryotic organisms, including 190 unicellular ones, and nearly 200 species of bacteria and archaea, of which at least 100 species are represented by cyanobacteria. It has been concluded that the diversity of both prokaryotic and eukaryotic organisms is still understudied. This paper is not an exhaustive review of the history of research on the biodiversity of Crimean hypersaline waters; it is rather a prelude to such a historical study, as well as a call for a broadening and deepening of the scientific knowledge of the unique biodiversity in these extreme habitats.
      PubDate: 2017-01-01
      DOI: 10.1134/s2079096117010036
      Issue No: Vol. 7, No. 1 (2017)
       
  • Topical and trophic structure of midsummer zooplankton in saline rivers in
           the Elton Lake basin
    • Authors: V. I. Lazareva
      Pages: 59 - 68
      Abstract: In August 2013, 17 taxa of zooplankton in the rank of species (Cladocera, Cyclopoida, Calanoida, and Rotifera) and three taxa of meroplankton (Mollusca, Diptera, and Heteroptera larvae) were identified in the zooplankton of six small rivers in the basin of Lake Elton with a mineralization of 6–32 g/L. Benthoplankton formed most of the list (45% of species); euplankton constituted only 20%. Three trophic levels were distinguished in the community: peaceful phyto- and bacteriodetritophages, omnivorous animals with different body sizes (<1.5 and 1.5–6 mm), and predators. The effect of salinity on the zooplankton structure, the biotopical distribution of species, the features of trophic relations, and the food supply of predators are discussed.
      PubDate: 2017-01-01
      DOI: 10.1134/s207909611604003x
      Issue No: Vol. 7, No. 1 (2017)
       
  • New record of Rhinopoma cystops Thomas, 1903 (Mammalia, Chiroptera) in
           arid southwestern Sahara of Algeria
    • Authors: M. Ahmim; R. Tahri
      Pages: 69 - 71
      Abstract: In January 2015, a colony of approximately 50 individuals of Rhinopoma cystops was found, and 10 Asellia tridens were netted in a cave of Béchar, Algeria, near the border with Morocco, southwestern Algerian Sahara. These two species were recorded previously in Algeria, but Rhinopoma cystops has been registered in Béchar for the first time. Therefore, information regarding the distribution and geographic variation of this species are also provided in the present study.
      PubDate: 2017-01-01
      DOI: 10.1134/s2079096117010024
      Issue No: Vol. 7, No. 1 (2017)
       
 
 
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