Furewar algae ta 2025 a Kudancin Australia

Wani lamari mai cutarwa algal Bloom (HAB) wanda ya fara a cikin Maris 2025 yana gudana a bakin tekun jihar Kudancin Ostiraliya   . Ya haifar da kashe-kashen kifaye da ke yin tasiri ga muhallin ruwa da masana'antun kamun kifin da ke da alaƙa da kifayen kifaye, da masu zuwa bakin teku da masu gudanar da yawon bude ido a gabar tekun da abin ya shafa. Gwamnatin jihar ta kafa gidan yanar sadarwa da wayar tarho da aka sadaukar domin bikin, kuma gwamnatocin jihohi da na tarayya suna aiki tare don rage furen. An sanya takunkumin kamun kifi na wucin gadi kan wasu nau'ikan, daga 1 ga Nuwamban shekarar 2025, don ba su damar murmurewa. Ministocin muhalli da ke da alhakin su ne Lucy Hood (SA) da Murray Watt (na tarayya).

Dalilin fure an danganta shi da ambaliyar Kogin Murray a cikin 2022-23 wanda ya kawo karin abubuwan gina jiki a cikin teku; ruwan sanyi a lokacin rani na 2023-24 wanda ya ɗaga ƙarin abubuwan gina abinci a farfajiya; da kuma ruwan zafi na ruwa wanda ya faru tun Satumba 2024. Waɗannan canje-canje, musamman na ƙarshe, an danganta su da Canjin yanayi. Ba a la'akari da algae a matsayin muhimmiyar damuwa ta kiwon lafiya ba, kodayake mutanen da ke fuskantar rashin lafiyan kamar asma, tari, ko idanu masu ƙishirwa bai kamata su kasance kusa da ruwa mai kumfa ko ruwa mara launi ba.

## Tarihi da girma

A watan Maris na shekara ta 2025, an zargi fure da ya haifar da zafi na ruwa, wanda aka gano da farko ya kunshi mafi yawan dinoflagellate *Karenia mikimotoi*, saboda mutuwar dubban halittu na ruwa, da tari, idanu masu ciwo, da hangen nesa a cikin mutane, tare da rairayin bakin teku a kudancin tsibirin Fleurieu a Kudancin Australia. Duk da fatan cewa hadari na hunturu zai sa fure ya ɓace,  yanayin da ya dace (wanda aka danganta da canjin yanayi ) ya sa ya ci gaba  kuma ya bazu tare da gabar tekun da ke kusa da Tsibirin Kangaroo da Gulf St Vincent (ciki har da rairayin bakin teku na Adelaide [3]  ) da kuma cikin Coorong. [4]

A tsakiyar shekarar, gwamnatin jihar ta kiyasta girman furen ya kai girman tsibirin Kangaroo, wanda ya kai sama da    (kimanin girman tashar Sydney Harbor sau 80). A watan Oktoba 2025, furen ya bazu a kan magudanan ruwa, cikin duka Gulf St Vincent (gefen Yorke da Fleurieu Peninsula) da Spencer Gulf, tare da bakin tekun Eyre, da kuma tsibirin Kangaroo kanta.  Masanin ilimin halittu Mike Steer, babban jami'in Cibiyar Bincike da Ci Gaban Kudancin Australia (SARDI),  ya kiyasta cewa ya shafi kusan kashi 30 cikin 100 na gabar tekun jihar, daidai da  . Ya ce girmansa da tsawonsa ba a taɓa yin irinsa ba a Kudancin Australia da Ostiraliya, kuma wataƙila yana ɗaya daga cikin manyan furanni goma da aka yi rikodin a duniya.  Mafi girman abin da ya faru na furanni, yana bayyana a cikin kumfa, yana faruwa a kan shimfidar bakin teku daga saman Gulf St Vincent zuwa Brighton Beach . 

Baya ga *K. mikimotoi*, an sami wasu nau'in *Karenia* ciki har da *[[Karenia brevisulcata|K. brevisulcata]]* da *[[Karenia longicanalis|K. longicanalis]]* a cikin fure, da kuma wasu da ba a gano su ba. Haɗin gwiwa tare da SARDI da masu ba da shawara na gida masu zaman kansu, masana kimiyyar halittu na ruwa daga Jami'ar Flinders, Jami'ar Fasaha ta Sydney da Jami'ar Tasmania suna da hannu wajen nazarin fure, tare da ƙwararren ƙwararrun ƙwararrun masu guba na ruwa da ake nema daga Cibiyar Cawthron a New Zealand.

## Dalilan da za su iya haifar da hakan
Da farko an yi tunanin cewa ambaliyar da ta faru a cikin 2022-23 wanda ya wanke abubuwan gina jiki a cikin kwandon Murray-Darling (wanda ya rufe babban yanki a fadin jihohi da yankuna da yawa na Ostiraliya zuwa cikin teku a bakin Murray a kudancin gabar Kudancin Ostiraliya, haɗe da ruwan teku da kuma hauhawar abubuwan gina jiki daga ƙarƙashin teku, ya haifar da "cikakken yanayi" don *K. mikimotoi* ya bunƙasa. Koyaya, masana kimiyya daga baya sun ce wannan dalili ne mai ban mamaki, saboda jinkirin lokaci tsakanin abubuwan da suka faru ya yi yawa.

A cewar shafin yanar gizon gwamnati, fure yana bunkasa a tsawon lokaci, kuma abubuwan da suka haifar da shi na iya kasancewa ga abubuwan da suka faru: 

* Ruwan ambaliyar ruwa daga Kogin Murray a cikin 2022-23 yana kawo karin abubuwan gina jiki a cikin teku
* Ruwan sanyi ya tashi a lokacin rani na 2023-24 wanda ya ɗaga ƙarin abubuwan gina jiki zuwa farfajiya
* Rashin zafi na ruwa wanda ya faru tun watan Satumbar 2024, yana kara yawan zafin ruwa da kusan 2.5C

A cewar kwamitin halittu masu ciyawa, masu ilimin muhalli na ruwa sun yi gargadi cewa dumamar teku da hawan zafi na ruwa da ke da alaƙa da canjin yanayi, da kuma gurɓataccen abinci mai gina jiki, sun haifar da hauhawar yawan fure na algae, kuma wannan na iya ci gaba. Manyan yankuna na kelp, seagrass, da shellfish reefs, waɗanda ke tace abubuwan gina jiki, sun ɓace. Bugu da kari, gulfs da ke kewaye da kudancin Australiya, musamman Gulf St Vincent, sun fi kamuwa da HABs saboda suna da karancin musayar ruwa fiye da bude bakin teku, kuma ruwa ya fi zurfi, wanda ke kara karfin dumama. Australian Marine Conservation Society ta yarda da kimantawar cewa canjin yanayi ya haifar da fure, yana kiran taron "rikice" da "gargadi da ba za mu iya watsi da shi ba".

Masu bincike sun yi watsi da ikirarin cewa furewar na iya haifar da Adelaide Desalination Plant a matsayin bayanan da ba daidai ba.

## Tasirin
Kodayake *K. mikimotoi* ba ne ya samar da su, an gano breetoxins da wasu nau'ikan *Karenia* suka samar a gonakin shellfish na kasuwanci, wanda ya haifar da rufewa na wucin gadi,  kuma a cikin kumfa da aka wanke a kan rairayin bakin teku, tare da hukumomin kiwon lafiya suna ba da shawara ga masu fama da asma. 

Furen ya kashe fiye da nau'in 500  na kifi, penguins,  da dabbobi masu shayarwa na ruwa, kuma ya haifar da matsalolin kiwon lafiya kamar asma, fata da fushin ido, da tari a cikin mutane.  Ya shafi kiwon kifi,  kifi da masana'antun yawon bude ido, musamman masunta na gida, da kuma mazauna da yawa da ke zaune a bakin tekun da masu hawan igiyar ruwa waɗanda ke yawan zuwa wuraren da aka fi sani da Port Elliot.  Ƙungiyoyin mutane da yawa na al'ummomin farko sun kira ci gaba da fure "matsalar al'adu". Mutanen Narungga na Yankin Yammacin Yamma ya shafi fure sosai. Goolwa pipi Co.">Goolwa Pipi Co., wanda ke girbe karamin ruwan gishiri mai cinyewa da aka sani da Goolwa pipi, ba zai iya girbi da sayar da kifin su ba.

An ji tsoron cewa fure zai shafi lokacin kiwo na musamman na yawan giant cuttlefish a arewacin Spencer Gulf, a cikin wani wuri mai tsarki wanda ya sami matsayin Tarihin Kasa a 2023, Yankin Mai Tsarki na Cuttlefish Coast. Wannan yawan jinsunan ya bambanta da yawan mutanen da ke kudancin Spencer Gulf, kuma kawai yawan manyan kifi a duniya don haifuwa a cikin taron taro, a cikin nuni mai ban sha'awa na launuka, gami da shuɗi, purple, kore, ja da zinariya, waɗanda ke canzawa yayin da suke yin jima'i da sa qwai. Wannan ya sa ya zama sanannen wurin jan hankalin yawon bude ido. Dubi ƙasa don na'urar da SARDI ta kirkira don kare wasu daga cikin cuttlefish, janareta mai labule na iska.

A cikin kwanaki bakwai da suka gabata 3 ga Oktoba 2025, share rairayin bakin teku a bakin tekun ya tattara kusan  kg (3,500  na dabbobi na ruwa, gami da longsnout boarfish, whiting, da cuirerjacket fish. Makon da ya gabata na share hannu ya sami jimlar tan biyu na rayuwar teku.

A cewar shugaban SARDI Mike Steer a ranar 3 ga Oktoba 2025, algae da breetoxins da suke samarwa "ba damuwa game da kiwon lafiya ba ne", kuma babu buƙatar nisanta daga ruwa. Shi da kansa ya ci gaba da hawan igiyar ruwa. Koyaya, idan ruwan ya canza launi ko kumfa, kuma mutum yana iya kamuwa da idanu masu ƙishirwa, tari, ko wasu fushi, ya kamata su tafi.

Masana'antar kifi ta cikin gida ta sha wahala, duk da tabbacin cewa kifin da aka kama a cikin ruwan SA yana da aminci don cinyewa, kuma yawancin kamun kifi ba su da tasiri ga fure; amincewar mabukaci ta ragu saboda labarai da ke kwatanta fure a matsayin "mai guba" ko "mai lahani".  

An gano shi a ƙarshen Oktoba cewa, bisa ga bayanan SARDI, cewa yawan squid, garfish, da kifi George whiting sun ragu sosai a Gulf St Vincent da kewayen Kangaroo Island, yayin da wasu nau'o'in, kamar blue crabs, suma sun ragu.

## Amsoshi da shawarwari

### Amsar gwamnati
Gwamnatin jihar ta sanar da Ministan Muhalli na tarayya Murray Watt a ranar 11 ga Yuni 2025, wanda ya yi hulɗa da Ministan muhalli na jihar Susan Close a cikin watanni masu zuwa. A wannan lokacin, ana sa ran HAB za ta ɓace a cikin watanni na hunturu.

Gwamnatin jihar ta kirkiro shafin yanar gizo don samar da bayanai ga jama'a,  kuma ta ba da takardun shaida don ƙarfafa masu yawon bude ido.  Don cika shafin yanar gizon, an ƙaddamar da wayar tarho a ranar 2 ga Oktoba 2025, don a yi amfani da ita don cikakken bayani, bayar da rahoton kifi ko wasu dabbobi, samun shawarar kiwon lafiya da tallafin lafiyar kwakwalwa, da kuma bayani game da kunshin tallafi.

A ranar 9 ga watan Satumba, SA Health ta ba da shawarar kiwon lafiya ta jama'a, tana mai cewa mutanen da ke fama da asma ya kamata su ɗauki magani yayin ziyartar rairayin bakin teku lokacin da kumfa ta kasance. SA Health kuma tana ba da tallafin lafiyar kwakwalwa ga waɗanda HAB ta shafa.

Gwamnatocin jihohi da tarayya sun samar da dala miliyan 28 a cikin kudade don tallafawa bincike, kokarin tsaftacewa, tallafin al'umma, taimakon masana'antu, da bayanan jama'a.

Gwamnatin jihar tana ba da kunshin tallafi ga ƙananan kasuwancin da HAB ta shafa, wanda ya haɗa da Algal Bloom Fisheries da Aquaculture Assistance Grant na har zuwa A $ 100,000 da kuma A $ 10,000 Algal Bloom Small Business Support Grant, don ƙananan kasuwanci ko ba don riba ba.

A watan Agustan 2025, gwamnatocin jihohi da tarayya sun ba da kudade kusan $ 700,000 don shigar da labule mai kumfa don kare babban kifi a cikin Upper Spencer Gulf a lokacin haihuwar su, idan fure ya koma cikin wannan yankin. Rufin zai kare kusan 50,000 zuwa 80,000 ƙwai da hatchlings. Janareta na labule na iska wanda SARDI ta tsara zai kare wani karamin sashi na filin kiwo na cuttlefish kusa da Point Lowly daga mamayewar algae mai cutarwa. Ana sa ran na'urar 200 da mita 100 (660   , wanda mai matsawa a bakin teku ke motsawa, zai samar da shingen, ba a matsayin magani ko magani ba, kuma za a ba da kuzari lokacin da aka yi barazanar filin kiwo. Za a kare karamin kashi na ƙwai na kakar, don zama sabon yanki na kiwo lokacin da ruwa ya fi aminci.

A ranar 3 ga Oktoba 2025, gwamnatocin jihohi da tarayya sun ba da sanarwar shirin dala miliyan 1.4 don kare zakunan teku na Australiya, waɗanda ke cikin nau'in da ke cikin haɗari wanda kashi 80 cikin dari ke zaune a cikin ruwan Kudancin Australiya.

Gwamnatin jihar ta yi alkawarin rabon $ 850,000 don tallafawa maido da reefs 15 a kusa da Yankin Yorke, Yankin Eyre, da Tsibirin Kangaroo a cikin shekaru uku. Wasu daga cikin wadannan kudade an ware su don ƙirƙirar ƙarin shafuka 25 a matsayin wani ɓangare na aikin sabuntawa wanda aka fara a 2023 ta hanyar darektan Eyre Lab Manny Katz da Jami'ar Adelaide mai bincike Dominic McAfee. Masu sa kai, gami da yara, suna taimakawa a cikin aikin.

Gwamnatin jihar ta sanya takunkumin kamun kifi na wucin gadi da nau'o'in da yawa daga 1 ga Nuwamba 2025, don ba da damar lambobin su su murmure. Ƙuntatawa sun haɗa da raguwar kashi 50 cikin 100 a cikin jaka da iyakokin jirgin ruwa don kamun kifi na jirgin ruwa a cikin Gulf St Vincent / Kangaroo Island Fishing Zone, da kuma raguwar kashi 50% a cikin jaka le iyakokin jirgin ƙasa zuwa squid, garfish, blue crab, da King George whiting a cikin Spencer Gulf Fishing Zone. Har ila yau, akwai ƙuntatawa na wucin gadi a kan duk kamun kifi na kasuwanci da kamun kifin blue crab a cikin Gulf St Vincent / Kangaroo Island Fishing Zone.

#### Shirin bazara da sauran tallafi
Masu sintiri a bakin tekun Surf Life Saving da gwamnatocin jihohi da na tarayya za a sanya su a rairayin bakin teku takwas kwana bakwai a duk lokacin bazara, suna nuna wuraren da za a iya iyo tsakanin tutoci a bakin tekun. An ƙaddamar da sabuwar manhajar Beachsafe a ranar 12 ga Oktoba.  Ma'aikatan tsaftar da ke samun tallafi daga gwamnatin SA za su duba kusan wurare 23 na bakin teku tsakanin Arewacin Haven zuwa Goolwa kowace rana. A ranar 13 ga Oktoba, gwamnatocin jihohi da na tarayya sun ƙaddamar da $15m "Coast is Calling - Dining Cashback shirin", wanda ke ba da $50 zuwa mutane 300,000 suna cin abinci a wuraren cin abinci na bakin teku.  A ranar 14 Oktoba, Gwamnatin SA ta sanar da tallafin $ 16m don kamun kifi da masana'antar ruwa, yana ba da tallafin har zuwa $ 275,000 ga kowane kasuwancin da ya cancanta. A wannan rana, gwamnatocin Jihohi da na tarayya tare sun sanar da shirinsu na bazara na Algal Bloom, wanda ya hada da dala miliyan 102.5 gaba daya domin magance matsalar, wanda ya hada da: Dala miliyan 20.6 domin farfado da muhalli; Dala miliyan 17.3 don saka idanu da bincike; Dala miliyan 48 don kasuwanci da al'ummomin da ke bakin teku; da kuma wani dala miliyan 16 don bunkasa shagali da yawon bude ido a bakin teku. 

### Binciken Majalisar Dattijai
An kafa Binciken Majalisar Dattijai a ranar 23 ga Yulin 2025, tare da Kwamitin Tsaro na Majalisar Dattijan kan Muhalli da Sadarwa saboda buga rahotonsa a ranar 28 ga Oktoba 2025.  A ranar bude binciken, kwamitin ya ji cewa jihar ba ta shirya ba don bala'in. Ya gudanar da sauraron jama'a a Adelaide, Port Lincoln, Ardrossan, da Victor Harbour .  Kamfanin Kaurna Yerta Aboriginal Corporation, a cikin gabatarwar da ta yi ga binciken, ya ce amsar gwamnati ta kasance "mai jinkiri sosai" kuma ba ta shiga kai tsaye tare da mutanen First Nations ba.

### Ayyukan da ke gudana da halin da ake ciki
Firayim Minista Peter Malinauskas da sabon Ministan Muhalli na SA Lucy Hood sun ci gaba da hulɗa da Ministan Muhallin Tarayya Murray Watt game da shirin gudanar da HAB a lokacin rani.

Ya zuwa 2 ga  , Cibiyar Bincike da Ci Gaban Kudancin Australia (SARDI) ke sa ido a kai a kai. Furen ba ya cikin arewacin Spencer Gulf, babban wurin kiwon kifi.

### Sauran shawarwari
Donald Anderson, darektan Ofishin Jakadancin Amurka na Harmful Algal Blooms a Cibiyar Woods Hole Oceanographic, wanda gwamnatin jihar ta tuntube shi, ya bayyana magani da ya shafi wani nau'in . Ana iya yayyafa abu a cikin ruwa, inda yake mannewa a cikin ƙwayoyin algal, yana haifar da tarin da ake kira "floc", wanda ke faɗuwa kuma ya zauna a ƙarƙashin teku. Duk da yake wannan magani na iya zama mai tasiri a kan karamin sikelin, yawan yumbu da ake buƙata ba zai yiwu ba a kan  km2  sq  yankin da ya shafa.

Cibiyar Ostiraliya ta ba da shawarar cewa Asusun Bala'in Yanayi na Kasa, wanda aka biya ta hanyar haraji kan kwal, mai, da samar da iskar gas, zai ceci masu biyan haraji biliyoyin da ake buƙatar kashewa don rage bala'o'in da canjin yanayi ya haifar, kamar HAB ta Kudancin Australia.

### Masu sa kai
Masu sa kai suna gina kayan aikin shellfish reef 1,200 don sanyawa a cikin Kogin Port, a ƙarƙashin jagorancin aikin agaji na mazaunin kifi OzFish. Yawancin mutanen oyster na asali a kusa da bakin tekun jihar an riga an lalata su ta hanyar kamun kifi na tarihi. Osters suna tace ruwa kuma suna inganta ingancinsa, suna rage yiwuwar HAB ta yadu a cikin kogi.

## Gudanarwa
Masanin ilimin muhalli na ruwa Dominic McAfee, na Jami'ar Adelaide, ya ce akwai iyakantaccen fahimta game da abin da tasirin da HAB za ta yi a cikin gajeren lokaci da na dogon lokaci, kuma yana da mahimmanci a fara cika gibin ilimi don samar da gudanarwa ta tushen shaida, saka idanu, da kuma amsawar zamantakewa da tattalin arziki don murmurewa daga taron.

## Manazarta