Tafkin Nokoué
Lake Nokoué wani tabki ne da ke kudancin ƙasar Benin. Yana da kilomita 20 (12 mi) fadi kuma 11km (6.8 mi) tsayi kuma ya mamaye yanki na 4,900 ha (eka 12,000).[1] Kogin Ouémé da Kogin Sô suna ciyar da tabkin a wani ɓangare, duka biyun suna ba da ruwa daga ko'ina cikin yankin a cikin tafkin.[2]
| Tafkin Nokoué | |
|---|---|
 | |
| General information | |
| Tsawo | 20 km |
| Fadi | 10 km |
| Labarin ƙasa | |
 | |
| Tsarin Daidaiton Labarin Kasa | 6°25′58″N 2°25′32″E / 6.4328°N 2.4256°E |
| Kasa | Benin |
Hydrography (en)  | |
| Inflow (en) |
duba
|
Birnin Cotonou yana zaune a kudancin iyakar tafkin. Wasu yankuna na yawan mutanen Cotonou sun rasa matsugunansu sakamakon ambaliyar bakin ruwa da tabki ke yi.[3] A gefen arewacin tafkin garin Ganvié ne.
Tattalin arziki
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Saboda bambancin namun daji, tabkin yana samar da mahimmin tushen abinci da ayyukan tattalin arziƙi ga waɗannan garuruwan.[3] Kamun kifi yafi kyau idan ruwa yayi ƙaranci tsakanin Nuwamba zuwa Yuni.[1] Yawanci kamun kifi iri ne na 30, tare da kifi daga dangin Cichlid, Clupeidae da Penaeidae suna yin kashi 85% na kamun kifin.[1] Masunta ta ƙara shiga damuwa yayin shekarun 1990, yayin da mutane da yawa suka fara kamun kifi a kan tafkin.[1] Yawanci sana'ar kamun kifi ce, tare da ƙananan kwale-kwale masu kama ƙananan kifi.[1] Kimanin kifin da aka kiyasta na tabkin ya kai tan 2 a kowace kadada a kowace shekara.[4]
Hakanan ana amfani da tabkin don Acadja, wani nau'in kayan kiwon kifi.[1]
Hydrology
gyara sasheTafkin, a cikin babban ɓangare, lagoon ne.[5] Tare da yanayin shimfidar wuri mara ƙasa, ana sa ran tabkin ya ninka cikin girma da ambaliyar saboda sauyin yanayin duniya da yake gudana a hankali yana shafar matakin teku.[3] Wannan ci gaban yana ɗauke da haɗarin ƙarancin gishiri a nan gaba, wanda zai sa kogin da ke cikin ruwa ya zama abin birgewa kuma zai iya canza yanayin halittar sa.[3] Bangarori daban-daban na tafkin a halin yanzu suna canzawa tsakanin ruwa mai tsafta da kuma tsarin halittu masu ƙyalƙyali a matsakaita zurfin 1.5 m (4 da ƙafa 11 cikin).[1] Yanayi na al'ada a ko'ina cikin tabkin yana tsakanin 27 zuwa 29 °C (81 da 84 °F).[1]
Tafkin wani wuri ne da ake ajiye magungunan kashe qwari da manyan karafa daga masana'antar da ke sama da mazaunin dan adam.[4] Ko da yake magungunan kwari suna cikin kifi ne kawai a ƙasa da matakan da ba su da guba,[4] ƙananan ƙarfe a cikin ruwa na iya isa matakan kifin da ba shi da lafiya ga mutane da kifin.
Ilimin kasa
gyara sasheKasan tafkin ya haɗu da yashi, yashi-yashi da kuma yadudduka laka.[1]
Ilimin lafiya
gyara sasheTafkin Nokoué yana da aƙalla nau'ikan kifaye 78.[5] Da yawa daga cikin tsuntsayen suna amfani da nau'ikan kifaye a matsayin abinci, da kuma nau'ikan otter.[5]
Manazarta
gyara sashe- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 ATTI – MAMA, CYRIAQUE. "CO-MANAGEMENT IN CONTINENTAL FISHING IN BENIN: THE CASE OF LAKE NOKOUE" (PDF). Proceedings of the International Workshop on Fisheries Co-management. Archived from the original (PDF) on 2016-11-16. Retrieved 2016-11-16.
- ↑ Gadel, F.; Texier, H. (1986-06-01). "Distribution and nature of organic matter in recent sediments of Lake Nokoué, Benin (West Africa)". Estuarine, Coastal and Shelf Science. 22 (6): 767–784. doi:10.1016/0272-7714(86)90098-3.
- ↑ 3.0 3.1 3.2 3.3 Bicknell, Jane; Dodman, David; Satterthwaite, David (2012-01-01). Adapting Cities to Climate Change: Understanding and Addressing the Development Challenges (in Turanci). Earthscan. pp. 120–122. ISBN 9781849770361.
- ↑ 4.0 4.1 4.2 Yehouenou A Pazou, Elisabeth; Aléodjrodo, Patrick Edorh; Azehoun, Judicaël P.; van Straalen, Nico M.; van Hattum, Bert; Swart, Kees; van Gestel, Cornelis A. M. (2014-01-01). "Pesticide residues in sediments and aquatic species in Lake Nokoué and Cotonou Lagoon in the Republic of Bénin". Environmental Monitoring and Assessment. 186 (1): 77–86. doi:10.1007/s10661-013-3357-2. ISSN 1573-2959. PMID 23942697.
- ↑ 5.0 5.1 5.2 Laudelout, A.; Libouis, R. (2008-04-15). "Chapter 12: On the feeding ecology of the pied kingfischer at Lake Nokoue, Benin. Is there competition with fishermen?". In Cowx, Ian G. (ed.). Interactions Between Fish and Birds: Implications for Management (in Turanci). John Wiley & Sons. pp. 165–177. ISBN 9780470995365.
Hanyoyin haɗin waje
gyara sashe- BirdLife Data Zone Archived 2016-03-03 at the Wayback Machine