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WATER, LAND AND FOREST RESOURCES

THE CURRENT STATE OF THE THORN POPULATION (ACIPENSER NUDIVENTRIS) IN THE KAPSHAGAI RESERVOIR AND IN THE UPPER ILE RIVER

Balzhan Toksabaeva 1 , Kuanysh Isbekov 2 , Erbol Sansyzbaev 2 , Mukhtar Baybatshanov 1 , Karlyga Ramazan 1

1 Kazakh National Agrarian Research University; 2 LLP «Fisheries Research and Production Center»

doi.org/10.37884/4-2024/38 pp. 368-375 Admitted 28.10.2024 Published 30.12.2024

Abstract

This article provides information from published literature sources about the spike in the period from 1970 to 2024, as well as scientific work performed at the scientific and production center of the fisheries and received from fishermen and specialists of the fish inspection. The thorn (Acipenser nudiventris Lovetsky, 1828) is a small and valuable species of fish in the sturgeon family. It is endemic to the Aral Sea. Populated natural areas are the basins of the Black, Azov, Caspian, and Aral Seas and their estuaries. The spike belongs to the most vulnerable and small–numbered sturgeon fish in the world, its isolated individuals are still found in the Balkhash- Ili basin (Kazakhstan-China) due to its introduction in 1933-1934.  It should be noted that this is the only example of successful acclimatization of sturgeons. In 2024, research work on the Kapshagai reservoir and the Ile River was carried out in May-August at 10 stations. According to the results of the study, the population of the thorn is very low. Only fry rarely get into the net. In order to preserve this species from complete extinction, the scientific and production center of the fisheries, the Balkhash branch, is working to create a repair and breeding stock of thorns at a closed water supply installation. 

spike, Acipenser nudiventris, Ile-Balkhash basin, sturgeon, acclimatization, reservoirs, spawning, river.

01 Introduction

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02 References

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Citation Links

[1]2024. THE CURRENT STATE OF THE THORN POPULATION (ACIPENSER NUDIVENTRIS) IN THE KAPSHAGAI RESERVOIR AND IN THE UPPER ILE RIVER. Izdenister natigeler. 4 (104) (Dec. 2024), 368–375. DOI:https://doi.org/10.37884/4-2024/38.
(1)THE CURRENT STATE OF THE THORN POPULATION (ACIPENSER NUDIVENTRIS) IN THE KAPSHAGAI RESERVOIR AND IN THE UPPER ILE RIVER. Izdenister natigeler 2024, No. 4 (104), 368-375. https://doi.org/10.37884/4-2024/38.
THE CURRENT STATE OF THE THORN POPULATION (ACIPENSER NUDIVENTRIS) IN THE KAPSHAGAI RESERVOIR AND IN THE UPPER ILE RIVER. (2024). Izdenister Natigeler, 4 (104), 368-375. https://doi.org/10.37884/4-2024/38
THE CURRENT STATE OF THE THORN POPULATION (ACIPENSER NUDIVENTRIS) IN THE KAPSHAGAI RESERVOIR AND IN THE UPPER ILE RIVER. Izdenister natigeler, [S. l.], n. 4 (104), p. 368–375, 2024. DOI: 10.37884/4-2024/38. Disponível em: https://kazvetjournal.kaznaru.edu.kz/index.php/research/article/view/760. Acesso em: 15 sep. 2026.
“THE CURRENT STATE OF THE THORN POPULATION (ACIPENSER NUDIVENTRIS) IN THE KAPSHAGAI RESERVOIR AND IN THE UPPER ILE RIVER”. 2024. Izdenister Natigeler, no. 4 (104) (December): 368-75. https://doi.org/10.37884/4-2024/38.
“THE CURRENT STATE OF THE THORN POPULATION (ACIPENSER NUDIVENTRIS) IN THE KAPSHAGAI RESERVOIR AND IN THE UPPER ILE RIVER” (2024) Izdenister natigeler, (4 (104), pp. 368–375. doi:10.37884/4-2024/38.
[1]“THE CURRENT STATE OF THE THORN POPULATION (ACIPENSER NUDIVENTRIS) IN THE KAPSHAGAI RESERVOIR AND IN THE UPPER ILE RIVER”, Izdenister natigeler, no. 4 (104), pp. 368–375, Dec. 2024, doi: 10.37884/4-2024/38.
“THE CURRENT STATE OF THE THORN POPULATION (ACIPENSER NUDIVENTRIS) IN THE KAPSHAGAI RESERVOIR AND IN THE UPPER ILE RIVER”. Izdenister Natigeler, no. 4 (104), Dec. 2024, pp. 368-75, https://doi.org/10.37884/4-2024/38.
“THE CURRENT STATE OF THE THORN POPULATION (ACIPENSER NUDIVENTRIS) IN THE KAPSHAGAI RESERVOIR AND IN THE UPPER ILE RIVER”. Izdenister natigeler, no. 4 (104) (December 30, 2024): 368–375. Accessed September 15, 2026. https://kazvetjournal.kaznaru.edu.kz/index.php/research/article/view/760.
1.THE CURRENT STATE OF THE THORN POPULATION (ACIPENSER NUDIVENTRIS) IN THE KAPSHAGAI RESERVOIR AND IN THE UPPER ILE RIVER. Izdenister natigeler [Internet]. 2024 Dec. 30 [cited 2026 Sep. 15];(4 (104):368-75. Available from: https://kazvetjournal.kaznaru.edu.kz/index.php/research/article/view/760
1.THE CURRENT STATE OF THE THORN POPULATION (ACIPENSER NUDIVENTRIS) IN THE KAPSHAGAI RESERVOIR AND IN THE UPPER ILE RIVER. Izdenister natigeler. 2024;(4 (104):368-375. doi:10.37884/4-2024/38