Kogin Nilu
 Kogin Nilu | |
|---|---|
musical group (en)  | |
| Bayanai | |
| Farawa | ga Janairu, 1998 da 1998 |
| Start of work period (en) | 1998 |
| Nau'in |
alternative rock (en) da visual kei (en) |
| Ƙasa da aka fara | Japan |
Kogin Nilu ( Lates niloticus ), wanda kuma aka sani da snook na Afirka, Goliath perch, Nile lates, African lates, Goliath lates, Victoria lates, African barramundi, Goliath barramundi, Giant lates ko Victoria perch, nau'in kifin ruwa ne mai ruwa a cikin dangin Latidae na tsarin Carangiformes . Ya bazu ko'ina cikin mafi yawan yankunan Afirka, yana da asali a Congo, Nile, Senegal, Niger da Tafkin Chad, Volta, Tafkin Turkana, da sauran kwaruruka. Hakanan yana faruwa a cikin ruwan tafkin Maryut a Masar . Kogin Nilu kifi ne mai matuƙar mahimmanci a fannin tattalin arziki da tsaron abinci a Gabashin Afirka. [1] Asalin sunan da aka siffanta shi da Labrus niloticus, a cikin wrasses na ruwa, ana kuma kiran nau'in da Centropomus niloticus . Sunaye da aka fi sani sun haɗa da snook na Afirka, Victoria perch (sunan kasuwanci mai ɓatarwa, domin nau'in ba asalin Tafkin Victoria ba ne, kodayake an gabatar da shi a can), da kuma sunaye da yawa na gida a cikin harsunan Afirka daban-daban, kamar sunan Luo mbuta ko mputa . A Tanzaniya, ana kiransa sangara, sankara, ko chenku . A ƙasashen Afirka masu magana da Faransanci, ana kiransa capitaine . Sunansa a cikin harshen Hausa shine giwan ruwa, ma'ana "giwar ruwa".
Bayani
[gyara sashe | gyara masomin]L. niloticus launin azurfa ne mai launin shuɗi. Yana da idanu masu duhu-baƙi, tare da zobe mai haske-rawaya. Ɗaya daga cikin manyan kifayen ruwa mai tsafta, tsawonsa ya kai kusan 2 metres (6 ft 7 in), yana da nauyin har zuwa 200 kilograms (440 lb) . [2] Kifin da ya manyanta yawanci yana tsakanin 1.21–1.37 metres (4 ft 0 in–4 ft 6 in), kodayake ana kama kifaye da yawa kafin su iya girma da girma haka.
Manyan dabbobin ruwa na Nilu suna mamaye dukkan wuraren zama na tafki tare da isasshen iskar oxygen, yayin da ƙananan dabbobin ruwa ke iyakance ga muhalli mara zurfi ko kusa da bakin teku. Wani mafarauci mai tsananin gaske wanda ke mamaye kewayensa, dabbobin ruwa na Nilu suna cin kifaye (gami da nau'in nasa), crustaceans, molluscs, da kwari ; ƙananan dabbobin kuma suna cin namun daji na zooplankton . [3] dabbobin ruwa na Nilu suna amfani da ilimin dabbobi a matsayin hanyar kare kansu daga sauran dabbobin ruwa. [4] [5]
Nau'ikan mamaya
[gyara sashe | gyara masomin]An gabatar da kogin perch zuwa wasu tafkuna da dama a Afirka, ciki har da Tafkin Victoria da Tafkin Nasser na wucin gadi. Ƙungiyar Ƙwararrun Nau'o'in Masu Yawa ta Ƙungiyar Kare Muhalli ta Duniya ta ɗauki L. niloticus a matsayin ɗaya daga cikin nau'ikan halittu 100 mafi muni a duniya.
Jihar Queensland da ke Ostiraliya tana ɗaukar tara mai yawa ga duk wanda aka samu yana da wani yanki mai rai na kogin Nilu, tunda tana fafatawa kai tsaye da barramundi na asali, wanda yake kama da na asali kuma yana girma zuwa 1.5 metres (4 ft 11 in) tsayi, yayin da kogin Nilu ke girma zuwa 2.0 metres (6 ft 7 in) dogon lokaci. [6]
Nau'in yana da matuƙar muhimmanci a kasuwanci a matsayin kifin abinci. Haka kuma, kogin Nilu yana da farin jini ga masu kamun kifi na wasanni, domin yana kai hari ga masu kamun kifi na wucin gadi, kuma ana kiwonsa a fannin kiwon kamun kifi . [7]
Gabatarwar Tafkin Victoria
[gyara sashe | gyara masomin]Gabatar da wannan nau'in a Tafkin Victoria yana ɗaya daga cikin misalan da aka fi ambata na mummunan tasirin da nau'in baƙo zai iya yi wa yanayin halittu. [8]
An gabatar da kogin Nilu a Tafkin Victoria da ke Gabashin Afirka a shekarun 1950, [9] [10] kuma tun daga lokacin ake kamun kifi a fannin kasuwanci. A shekarar 2003, cinikin kogin Nilu ga Tarayyar Turai ya kai Yuro miliyan 169. Kamun kifi a yankin Uganda da Tanzania ya samar da ƙarin kuɗin shiga daga yawon buɗe ido.
Gabatar da shi ya kawo cikas ga muhalli kuma an danganta shi da haifar da ɓacewa ko kusan bacewa na ɗaruruwan nau'ikan halittu na asali, tare da wasu yawan jama'a suna canzawa tare da kamun kifi na kasuwanci da ainihin dabbobin perch na Nilu. Da farko perch na Nilu yana cin cichlids na asali, amma tare da raguwar samuwar wannan abincin, yanzu yana cin ƙananan jatan lande da minnows .
Sauyin yanayin ƙasa na asali ya kawo cikas ga tattalin arzikin al'umma ga al'ummomin yankin da ke makwabtaka da tafkin. Mutane da yawa daga yankin sun ƙaura daga sana'o'insu na gargajiya a fannin kamun kifi kuma suka shigar da su cikin tattalin arzikin kuɗi, ko kuma kafin kafa kamun kifi mai mayar da hankali kan fitar da kaya zuwa ƙasashen waje, ya mayar da su 'yan gudun hijira na tattalin arziki . Aƙalla da farko, ba za a iya ƙera raga masu ƙarfi da za su iya ɗaukar manyan kogin Nilu a cikin gida ba kuma dole ne a shigo da su da farashi mai tsada. [11]
Manazarta
[gyara sashe | gyara masomin]- ↑ Chrétien, Emmanuelle; Chapman, Lauren J. (2016). "Tropical fish in a warming world: thermal tolerance of Nile perchLates niloticus(L.) in Lake Nabugabo, Uganda". Conservation Physiology. 4 (1). doi:10.1093/conphys/cow062. ISSN 2051-1434. PMC 5156894. PMID 27990290.
- ↑ Kaufman, Les (1992). "Catastrophic Change in Species-Rich Freshwater Ecosystems: The lessons of Lake Victoria". BioScience. 42 (11): 846–858. doi:10.2307/1312084. JSTOR 1312084.
- ↑ "Lates niloticus (Victoria perch)". Animal Diversity Web.
- ↑ Witte, Frans (2022). "Lates niloticus (Nile perch)". Cabi Compendium. CABI Compendium. doi:10.1079/cabicompendium.77994. Retrieved 2021-06-02.
- ↑ "Nile perch (Lates niloticus) - Species Profile". nas.er.usgs.gov. Retrieved 2021-06-02.
- ↑ Society, National Geographic. "Invasive Species". www.nationalgeographic.org (in Turanci). Archived from the original on January 30, 2022. Retrieved 2021-06-02.
- ↑ "Invasion Biology Introduced Species Summary Project - Columbia University". www.columbia.edu. Retrieved 2021-06-02.
- ↑ "Impact of an Invasive Species". education.nationalgeographic.org (in Turanci). Retrieved 2023-06-07.
- ↑ Pringle, Robert M. (2005). "The origins of the Nile Perch in Lake Victoria". BioScience. 55 (9): 780–787. doi:10.1641/0006-3568(2005)055[0780:TOOTNP]2.0.CO;2. S2CID 13720490.
- ↑ Pringle, Robert M. (2005). "The Nile Perch in Lake Victoria: local responses and adaptations". Africa: Journal of the International African Institute. 75 (4): 510–538. doi:10.3366/afr.2005.75.4.510. ISSN 0001-9720. JSTOR 3556959. S2CID 7566999.
- ↑ "RECENT DEVELOPMENTS IN LAKE VICTORIA FISHERIES: THE NILE PERCH". fao.org. Retrieved August 17, 2019.