FARGʻONA VILOYATI QOʻSHTEPA TUMANI ZOVURLARI BALIQLARINING UZUNLIK VA OGʻIRLIK MUNOSABATLARI
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Annotatsiya
Fargʻona viloyati Qoʻshtepa tumani hududidagi zovurlarda tarqalgan 7 mahalliy va invaziv baliq turlari - Abbottina rivularis, Alburnus sp., Gobio lepidolaemus, Petroleuciscus squaliusculus, Pseudorasbora parva, Rhodeus ocellatus, Triplophysa strauchii ning uzunlik va ogʻirlik munosabatlari oʻrganildi. Oʻlchovlar umumiy uzunlik (0,1 sm aniqlikda) va umumiy ogʻirlik (0,1 g aniqlikda) koʻrsatkichlarida hisoblanilgan. Uzunlik va ogʻirlik munosabatlarining parametrlari uzunlikka nisbatan ogʻirlikning chiziqli logarifmik regressiya modeli yordamida aniqlandi, bunda regressiya qiyaligi uchun b ning qiymatlari 3 dan yuqori va past boʻlgan qiymatlar mos ravishda ijobiy va salbiy allometrik oʻsishni koʻrsatadi. Tadqiqot davomida b ning koʻrsatkichlari 3,012 (Triplophysa strauchii) dan 3,260 (Rhodeus ocellatus) gacha holatda boʻldi. Korrelyatsiya koeffitsiyenti (r2) qiymatlari 0,980 dan 0,998 gacha oʻzgarib, uzunlik va ogʻirlik oʻrtasidagi kuchli ijobiy munosabatni koʻrsatadi.
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