Idolobha laseMexico, Julayi 24, 2025 – Njengoba ukushoda kwamanzi emhlabeni wonke kukhula, umkhakha wezolimo waseMexico usebenzisa izinzwa ze-optical dissolved oxygen (DO) ukuze kuthuthukiswe ukuphathwa kwezilwane zasemanzini, kuncishiswe ukusetshenziswa kwamandla, futhi kuthuthukiswe amazinga okusinda kwezinhlanzi. Lobu buchwepheshe obusha busetshenziswe ngempumelelo emapulazini amaningi, okuthuthukisa kakhulu umkhiqizo kanye nokusimama kwemvelo.
Ukubuka Konke Kobuchwepheshe: Izinzuzo Zezinzwa Ze-Optical DO
Ukufuywa kwezinhlanzi kwendabuko kuncike ekuhlolweni ngesandla noma ezinzwa ze-electrochemical ukuqapha amazinga e-oxygen encibilikisiwe, adinga ukulinganiswa njalo futhi avame ukungcoliswa. Ngokuphambene nalokho, izinzwa ze-oxygen encibilikisiwe ezibonakalayo zisebenzisa ubuchwepheshe bokucima i-fluorescence, okunikeza izinzuzo ezibalulekile:
- Ukunemba okuphezulu: Ububanzi bokulinganisa obungu-0-50 mg/L kanye nesilinganiso sephutha esingu-±0.1 mg/L kuphela (emazingeni aphansi), okuvumelana kahle nezimo zamanzi eziguquguqukayo zaseMexico.
- Ukugcinwa okuphansi: Izivalo zenzwa zihlala iminyaka emi-2 ngaphandle kokulungiswa kabusha njalo, futhi imisebenzi yokuzihlanza inciphisa ukungcola.
- Ukuqapha ngesikhathi sangempela: Isikhathi sokuphendula okusheshayo (T90 < imizuzwana engu-45), okuvumela ukulawula okuzenzakalelayo kwezinhlelo zokungenisa umoya.
Ucwaningo Lwesibonelo: Ukuqaliswa Kwamapulazi Asemanzini AseMexico
Emisebenzini ejulile yokufuya izilwane zasemanzini kulo lonke elaseMichoacán naseSinaloa, kusetshenziswe izinhlelo zokuqapha ze-DO ezingenantambo, ezihlanganisa ama-buoy asebenza ngamandla elanga, izilawuli zomoya, kanye nesofthiwe esekelwe efwini. Imiphumela eyinhloko ifaka:
- Ukonga amandla: Ukulawulwa komoya okuzenzakalelayo kunciphisa ukusetshenziswa kukagesi ngo-30%.
- Ukusinda kwezinhlanzi okuthuthukisiwe: Amazinga e-oxygen azinzile (agcinwe ku-5-7 mg/L) ehlise amazinga okufa ngo-20% kanye nokusebenza kahle kokuguqulwa kokudla ngo-15%.
- Ukuphathwa okude: Abalimi bathola izexwayiso zesikhathi sangempela ngamadivayisi eselula, okunciphisa izikhathi zokuphendula eziphuthumayo kusukela emahoreni kuya kumaminithi ayi-10 kuphela.
Umthelela Wenqubomgomo Nomnotho
Uhulumeni waseMexico uhlanganise ukuqapha ikhwalithi yamanzi ahlakaniphile ohlelweni lwakhe lwe-2024-2030 National Aquaculture Development Plan, olunikeza izikhuthazo zentela zokusetshenziswa kobuchwepheshe. Isibonelo, ipulazi le-tilapia eJalisco libike ukwanda okungu-12% kwenzuzo yonyaka ngemuva kokusebenzisa izinzwa zokukhanya, kuyilapho futhi kunciphisa ukulahlekelwa okuvela ekunciphiseni umoya-mpilo ngokuzumayo.
Umbono Wesikhathi Esizayo: Ochwepheshe batusa ukuhlanganisa idatha yesathelayithi (njengokuqapha kwe-infrared yokushisa) nobuchwepheshe be-drone ukuthuthukisa inethiwekhi yokuphatha ehlanganisiwe "yamanzi-inhlabathi-isimo sezulu", okuqhubekisela phambili ukufuywa kwezinhlanzi ngokunemba.
Singaphinde sinikeze izixazululo ezahlukahlukene ze
1. Imitha ephathwayo yekhwalithi yamanzi enamapharamitha amaningi
2. Uhlelo lwe-Floating Buoy lwekhwalithi yamanzi enamapharamitha amaningi
3. Ibhulashi lokuhlanza elizenzakalelayo lenzwa yamanzi enamapharamitha amaningi
4. Isethi ephelele yamaseva kanye nemodyuli engenantambo yesofthiwe, isekela i-RS485 GPRS /4g/WIFI/LORA/LORAWAN
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Isikhathi sokuthunyelwe: Julayi-24-2025