호수환경생태학(47) 하천의 어류폐사 원인. 산소부족, pH 알칼리성, 염소소독제

Round-13 hunt: picked; source: named-course long-video search (round-13 wave 2); channel screens (sellers/exam/re-upload/devotional/vendor/events), provenance check, vendor/seller/devotional recheck and quality tier C + tier-C depth check passed; strict per-title check + final strict pass; oEmbed verified.

A 14-minute video from 김범철 교수의 [호수의 과학]: “호수환경생태학(47) 하천의 어류폐사 원인. 산소부족, pH 알칼리성, 염소소독제”.

Video by 김범철 교수의 [호수의 과학], played through YouTube's embedded player.