Fadama

Famawa yanki ne mai dazuzzuka.swamp". National Geographic Society. 2011-01-21. Archived from the original on 2021-03-03. Retrieved 2019-09-26 Ana ɗaukar fadama a matsayin yankunan canji saboda ƙasa da ruwa suna taka rawa wajen samar da wannan yanayi. Famawa sun bambanta da girma kuma suna cikin ko'ina cikin duniya. Ruwan fadama na iya zama ruwa mai dadi, ruwa mara nauyi, ko ruwan teku. Ruwan ruwa mai ɗorewa yana tasowa tare da manyan koguna ko tafkuna inda suke dogaro sosai kan ruwan sama da ambaliya na yanayi don kiyaye yanayin yanayin ruwa. Ana samun gulmar ruwan gishiri tare da wurare masu zafi da bakin teku. Wasu fadama suna da hamma, ko busasshen busasshiyar ƙasa, da ciyayi na ruwa suka rufe su, ko ciyayi waɗanda ke jure komowar ƙasa lokaci-lokaci. Manyan nau'ikan fadama guda biyu su ne "gaskiya" ko dazuzzukan fadama da "canzawa" ko fadamar shrub. A cikin yankuna na Kanada, ana amfani da kalmar fadama ga abin da ake kira bog, fen, ko muskeg. Ana samun wasu manyan fadama a duniya tare da manyan koguna kamar Amazon, Mississippi, da Kongo.Keddy, P.A., L.H. Fraser, A.I. Solomeshch, W.J. Junk, D.R. Campbell, M.T.K. Arroyo and C.J.R. Alho. 2009. Wet and wonderful: the world's largest wetlands are conservation priorities. BioScience 59: 39–51.

 Ilimin kimiyyar ruwa 
Ana siffanta fadama da cikakkar kasa da ruwa mai tafiya a hankali. Ruwan da ke taruwa a cikin fadama yana fitowa daga wurare daban-daban da suka hada da hazo, ruwan karkashin kasa, tides da/ko ambaliya. Wadannan hanyoyin ruwa na ruwa duk suna ba da gudummawa ga yadda makamashi da abubuwan gina jiki ke gudana a ciki da waje daga cikin halittu. Yayin da ruwa ke gudana ta cikin fadama, abubuwan gina jiki, laka da gurɓata yanayi ana tace su ta halitta. Sinadarai irin su phosphorus da nitrogen waɗanda ke ƙarewa a cikin magudanar ruwa suna shanye kuma tsire-tsire na ruwa a cikin fadama suna amfani da su, suna tsarkake ruwa. Duk wasu sinadarai da suka yi saura ko fiye da haka za su taru a kasan fadama, a cire su daga cikin ruwan a binne su a cikin ruwan. Halin yanayin ruwa na fadama wani muhimmin abu ne a cikin muhallin halittun halittu, wanda ya hada da matakan da wadatar albarkatu kamar oxygen, abinci mai gina jiki, pH, da guba.Mitsch, W.J., & Gosselink, J.G.(2015). Wetlands. Hoboken, NJ: John Wiley & Sons Inc.

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