Results 21 to 30 of about 352,390 (308)

Ecological status of the Ayusai gorge

Bulletin of Kazakh Leading Academy of Architecture and Construction, 2021
In the context of the increasing pace of economic development of the country and the increased use of natural resources, the issue of further improving the system of territorial protection of nature, primarily specially protected areas, is becoming urgent. The article presents the results of studies of the ecological state of the gorge Ayusay, which is
L.M. Pavlichenko, A.K. Imangalieva, A.N. Cherkasova, Sh.A. Abdreshov, L.N. Bimagambetova   +4 more
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Distribution of Alien and Translocated Freshwater Fish Species in Bulgarian Lotic Ecosystems, according to the WFD Classification

Diversity, 2023
The terms ‘non-native’, ‘non-indigenous’, ‘alien’, and ‘exotic’ refer to species or races that do not occur naturally in an area, i.e., they have not previously existed there, or their dispersal into the area has been mediated by humans. In a broad sense,
Apostolos Apostolou
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Shaping changes in the ecological status of watercourses within barrages with hydropower schemes – literature review [PDF]

Archives of Environmental Protection, 2020
Hydropower use of watercourses has tangible consequences for the environment, society and economy. Based on a literature review and their own research, the authors present current data on changes in the ecological status of waters within run-of-river and
Paweł Tomczyk, Mirosław Wiatkowski
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Environmental Assessment of Surface Water Body Quality (on the Example of the Psel River)

Вісник Харківського національного університету імені В.Н. Каразіна: Серія Екологія, 2021
Purpose. To analyze the qualitative malt of the surface water body to determine changes in its ecological status. Methods. Statistical and systematic analysis of  ecological status changes was performed according to the interactive map "Monitoring and
S. A. Kovalenko, R. V. Ponomarenko, O. V. Kraynyuk, O. V. Severynov   +3 more
doaj   +1 more source

Hyperspectral and Lidar: Complementary Tools to Identify Benthic Features and Assess the Ecological Status of Sabellaria alveolata Reefs

Frontiers in Marine Science, 2020
Sabellaria alveolata is a sedentary gregarious tube-building species widely distributed from southwest Scotland to Morocco. This species builds what are currently considered the largest European biogenic reefs in the bay of Mont-Saint-Michel (France). As
Touria Bajjouk, Cecile Jauzein, Lucas Drumetz, Mauro Dalla Mura, Mauro Dalla Mura, Audrey Duval, Stanislas F. Dubois   +6 more
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Ecological water quality of the Three Gorges Reservoir and its relationship with land covers in the reservoir area: implications for reservoir management

Frontiers in Environmental Science, 2023
In this study, we evaluated the ecological water quality of the entire Three Gorges Reservoir (TGR) and further examined the relationship with changes in watershed land covers.
Lin Ye, Kefeng Chen, Jingjing Cheng, Lu Tan, Min Zhang, Xiaoguang Zhang, Xiaoguang Zhang, Qinghua Cai   +7 more
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Methodological challenges in assessing the environmental status of a marine ecosystem: Case study of the Baltic Sea [PDF]

, 2011
Assessments of the environmental status of marine ecosystems are increasingly needed to inform management decisions and regulate human pressures to meet the objectives of environmental policies. This paper addresses some generic methodological challenges
Ojaveer, Henn, Eero Margit, Henn Ojaveer, Ojaveer Henn, Eero, Margit, Margit Eero   +5 more
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Protected yet unmanaged: insights into the ecological status of conservation priority stony reefs in Belgian waters based on the integrative use of remote sensing technologies

Frontiers in Environmental Science, 2023
Stony reefs are ecologically important, providing irreplaceable ecosystem services. These fragile environments are recognised as conservation priorities by all relevant global and European policies.
Giacomo Montereale Gavazzi, Giacomo Montereale Gavazzi, Silvia Paoletti, Pavlina Podholova, Danae-Athena Kapasakali, Francis Kerckhof   +5 more
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Current Status of the Tardigrada: Evolution and Ecology [PDF]

Integrative and Comparative Biology, 2002
The Tardigrada are bilaterally symmetrical micrometazoans with four pairs of lobopod legs terminating in claws or sucking disks. They occupy a diversity of niches in marine, freshwater, and terrestrial environments throughout the world. Some have a cosmopolitan distribution, while others are endemic.
openaire   +3 more sources

Harmonization of the assessment method for classifying the ecological quality status of very large Greek rivers

Knowledge and Management of Aquatic Ecosystems, 2018
The intercalibration exercise is required by the European Water Framework Directive (WFD) to harmonize the national ecological class boundaries across Member States.
Lazaridou Maria, Ntislidou Chrysoula, Karaouzas Ioannis, Skoulikidis Nikolaos, Birk Sebastian   +4 more
doaj   +1 more source