title: Approaches to assessment and GIS-mapping of sustainability and environmental well-being of geosystems. Integral assessment of ecological
  status of fluvial systems
metadata.name: dc.contributor.author
metadata.value: Amaro Medina, Daniel R.
metadata.lang: -
metadata.name: dc.contributor.author
metadata.value: Dmitriev, Vasiliy V.
metadata.lang: -
metadata.name: dc.date.accessioned
metadata.value: 2019-08-28T10:21:21Z
metadata.lang: -
metadata.name: dc.date.available
metadata.value: 2019-08-28T10:21:21Z
metadata.lang: -
metadata.name: dc.date.issued
metadata.value: 2019-06
metadata.lang: -
metadata.name: dc.identifier.citation
metadata.value: Amaro Medina, D. R., Dmitriev, V. V. (2019). Approaches to assessment and GIS-mapping of sustainability and environmental well-being of geosystems. Integral assessment of ecological status of fluvial systems. Vestnik of Saint Petersburg University. Earth Sciences, 64 (2), 162–184.
metadata.lang: en_GB
metadata.name: dc.identifier.other
metadata.value: https://doi.org/10.21638/spbu07.2019.201
metadata.lang: -
metadata.name: dc.identifier.uri
metadata.value: http://hdl.handle.net/11701/16171
metadata.lang: -
metadata.name: dc.description.abstract
metadata.value: We consider the theoretical and methodological aspects and the experience of using methods for characterizing the ecological status (ES) of fluvial systems. The problems of development of multilevel and multi-criteria classifications of ES; stages and results of assessment research are discussed. Evaluation of ES can be performed on the basis of biocentrism in the study of fluvial systems or with an anthropocentric approach that takes into account the planning of fluvial systems use for various purposes with special attention to environment conservation and resource reproduction. Such an approach determines the axiological base and the choice of necessary and sufficient criteria and evaluation priorities. The assessment scales were developed in consideration of each component evaluation and indicator approach and can use incomplete, inaccurate, non-numerical assessments data. It was concluded that ES is an example of a system emergent property that combines its ability to produce organic substances in accordance with the natural history of fluvial systems, to maintain high quality of the habitat and biota, high biodiversity, resistance to changes in natural conditions and anthropogenic impacts; high velocity in the system of natural purification and low velocity of pollution and acidification; and maintenance of outlined system properties over a long time period. This research is focused on the development of models for quantitative integral assessment of the state of fluvial systems, their systemic properties that are characterized by the emergence of new functional units (integral indicators of different groups, summarizing indicators) that reflect the system integrity, serve as the base for taxonomy, and allow comparison of the state of systems in space and time. Integral assessment assumes the implementation of assessment with some uncertainty, taking into consideration different phases of the unification of multicriterial preliminary assessments with evaluation of their significance for overall assessment. This may take into account the significance of various indicators and their input to consolidated value. The development of integral indicators of ES is discussed in hypothetical examples of river drainage basin systems and on the base of assessment of ES of the river itself (Msta River) and its drainage basin (landscape).
metadata.lang: en_GB
metadata.name: dc.description.sponsorship
metadata.value: Работа выполнена при поддержке грантов РФФИ № 19-05-00683 и 18-05-60291.
metadata.lang: -
metadata.name: dc.language.iso
metadata.value: ru
metadata.lang: en_GB
metadata.name: dc.publisher
metadata.value: St Petersburg State University
metadata.lang: en_GB
metadata.name: dc.relation.ispartofseries
metadata.value: Vestnik of St Petersburg University. Earth Sciences;Volume 64; Issue 2
metadata.lang: -
metadata.name: dc.subject
metadata.value: integral assessment
metadata.lang: en_GB
metadata.name: dc.subject
metadata.value: ecological status
metadata.lang: en_GB
metadata.name: dc.subject
metadata.value: fluvial system
metadata.lang: en_GB
metadata.name: dc.subject
metadata.value: system “river drainage basin”
metadata.lang: en_GB
metadata.name: dc.subject
metadata.value: ecosystem stability
metadata.lang: en_GB
metadata.name: dc.title
metadata.value: Approaches to assessment and GIS-mapping of sustainability and environmental well-being of geosystems. Integral assessment of ecological
  status of fluvial systems
metadata.lang: en_GB
metadata.name: dc.type
metadata.value: Article
metadata.lang: en_GB
resources.filename: 162-184.pdf
resources.url: https://dspace.spbu.ru/bitstream/11701/16171/3/162-184.pdf
resources.format: Adobe PDF
resources.size: 789,68 kB