The history and future of the biological resources of the Caspian and the Aral Seas

Аладин, Н. В.; Chida, Tetsuro; Chuikov, Yu. S.; Ermakhanov, Zaualkhan K.; Kawabata, Yoshiko; Kubota, Jumpei; Micklin, Philip; Плотников, И. С.; Smurov, A. O.; Zaitzev, V. F.

doi:10.1007/s00343-018-8189-z

Cited by 14 publications

(17 citation statements)

References 12 publications

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“…Its water level has been intimately linked with that of its 2 main tributaries, the Amu Darya and the Syr Darya (Boomer et al 2000). Sedimentary and faunal records indicate the occurrence of 2 deep declines of water level: one of 2.1-1.3 ka cal BP and the other 1.1-0.35 ka cal BP (Aladin et al 2018). Nevertheless, in the mid-20th century, the Aral Sea was the fourth largest lake in the world with an area of 67 499 km 2 , a maximum depth of 68 m (Aladin and Plotnikov 2008), and a volume of 1064 km 3 (Glazovsky 1990).…”

Section: Overview Of the Current Statusmentioning

confidence: 99%

“…As its water level and salinity historically fluctuated, no endemic fish species were able to establish. In the mid-20th century, the fauna of the Aral Sea included ∼300 species of invertebrates, originating mostly from continental freshwater, brackish, and saline waters, with some representatives of Ponto-Caspian and marine Mediterranean-Atlantic fauna (Plotnikov 2016, Aladin et al 2018, 20 semi-anadromous or anadromous fish species (Aladin and Plotnikov 2008, Zonn et al 2009, and ∼30 species of macrophytes (Zhakova 2013).…”

Section: Overview Of the Current Statusmentioning

confidence: 99%

“…Although the introduction of alien fish and invertebrate species from the 1950s to the 1970s has played a role, the increase in salinity has been the main factor affecting the Aral Sea's biodiversity, (Aladin et al 2019). Species unable to tolerate these heightened levels of salinity levels went extinct locally (Aladin et al 2018).…”

Section: Species Richness and Endangered Speciesmentioning

confidence: 99%

“…The water level in the North Aral was stabilised and is now relatively constant because of the construction of the Kok-Aral Dam and other water management strategies to retain the sea's limited water (Aladin et al 2018;Fig. 2).…”

Section: Species Richness and Endangered Speciesmentioning

confidence: 99%

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Overview of past, current, and future ecosystem and biodiversity trends of inland saline lakes of Europe and Central Asia

et al. 2020

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This review of trends in inland saline lakes of Europe and Central Asia is based on the relevant section of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) Regional Assessment Report for Europe and Central Asia (ECA). We assessed the present status of ECA saline lakes and the effects of direct drivers (climate change, land use, pollution, resource exploitation, invasive species) on ecosystem health and biodiversity. We also assessed past, current and future trends using habitat area and degradation, species richness, and endangered species as indicators. No uniform scenario is applicable to saline lakes in the region. The desiccation of the Aral Sea is caused mainly by land use change and water extraction. In the Caspian Sea, river modifications, water pollution, overfishing and poaching, and species invasions have led to a decrease in species richness and have threatened endemic species. Although trends for smaller saline lakes vary, our analysis demonstrates that land use change, overexploitation, and pollution are more important direct drivers of ecosystem health and biodiversity than climate change. The establishment of baseline biodiversity values for saline lakes is, however, complicated because biodiversity and the food-web structure are variable and depend strongly on salinity. Thus, there is a need to classify the ecological quality, biodiversity and ecosystem services of saline lakes along a salinity gradient. The improvement of water management and reuse of water, conservation measures, and introduction of climate-smart agriculture are basic conditions for the sustainable use of saline lakes in the region.

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Section: Overview Of the Current Statusmentioning

confidence: 99%

Section: Overview Of the Current Statusmentioning

confidence: 99%

Section: Species Richness and Endangered Speciesmentioning

confidence: 99%

Section: Species Richness and Endangered Speciesmentioning

confidence: 99%

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Overview of past, current, and future ecosystem and biodiversity trends of inland saline lakes of Europe and Central Asia

et al. 2020

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“…Rational use of freshwater resources and conservation of biodiversity of aquatic organisms by analyzing the state of hydroecosystems, assessing the impact of wastewater on water body biota cannot be done without knowledge of the population-ecological characteristics of many common species of invertebrates and vertebrates [4,5]. Fish populations and communities are one of the main components of aquatic biota, as fish live long enough to replenish the food chain in the water and require special attention due to their ability to accumulate harmful substances [6,7].…”

Section: Introductionmentioning

confidence: 99%

Population-ecological analysis of Rutilus Rutilus Aralensis Berg in Tuzkan lake, Uzbekistan

et al. 2021

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Population-ecological analysis of Aral roach (Rutilus rutilus aralensis) was conducted in Tuzkan lake of Aydar-Arnasay lake system in Uzbekistan. In the Aydar-Arnasay lake system, it was analyzed the age structure, body weight, 19 morphometric and 5 meristematic indicators of 158 fish specimens caught in Tuzkan Lake in January and February 2020. The main selected indicators as a result of statistical analysis are: arithmetic mean; error rate; indicators of variability of morphometric and morpho-physiological signs; and variable asymmetry of meristem indicators. Statistical evaluation was conducted to determine the reliability of the survey results. Some features of the morpho-physiological state of the studied population were identified, which were explained by natural-climatic features, as well as anthropogenic impact on the water basin.

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Review of Nature-based Solutions in Dryland Ecosystems: the Aral Sea Case Study

Alikhanova¹,

Bull²

2023

Environmental Management

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NbS have gained substantial attention in the academic literature recently as a potential approach for simultaneously tackling environmental issues and addressing societal challenges. Drylands, which are among the world’s most vulnerable areas to the impacts of climate change and cover a little less than the half of the global terrestrial surface, were the focus of this study. We conducted a systematic literature review to explore the potential opportunities for the application of NbS in rural drylands across the globe. We go on to specifically consider the possibility of applying selected NbS approaches in the Aral Sea region of Uzbekistan, as a case study of a dryland ecosystem illustrating major environmental and social challenges. We highlight which NbS show the most promise in the Aral Sea region and conclude with a discussion of existing gaps in the literature on NbS in drylands, and opportunities for further research.

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The history and future of the biological resources of the Caspian and the Aral Seas

Cited by 14 publications

References 12 publications

Overview of past, current, and future ecosystem and biodiversity trends of inland saline lakes of Europe and Central Asia

Overview of past, current, and future ecosystem and biodiversity trends of inland saline lakes of Europe and Central Asia

Population-ecological analysis of Rutilus Rutilus Aralensis Berg in Tuzkan lake, Uzbekistan

Review of Nature-based Solutions in Dryland Ecosystems: the Aral Sea Case Study

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