Wetland

Ƙasar dausayi wani yanki ne na yanki na ruwa na musamman wanda rufin ƙasa ke ambaliya ko cika cikin ruwa, ko dai na dindindin, na shekaru ko shekaru da yawa, ko kuma na yanayi kawai. Ambaliyar ruwa yana haifar da matakan oxygen-malauci (anoxic) da ke faruwa, musamman a cikin ƙasa.^[1] Ƙasar dausayi sun zama wani yanki na tsaka-tsakin tsaka-tsakin ruwa da busasshiyar ƙasa, kuma sun bambanta da sauran halittun ƙasa ko na ruwa saboda tushen ciyayi da suka dace da ƙasa mara ƙarancin iskar oxygen.^[2] Ana la'akari da su a cikin mafi bambance-bambancen ilimin halitta na duk yanayin halittu, suna aiki a matsayin wuraren zama zuwa nau'ikan tsire-tsire na ruwa da na ruwa da dabbobi, tare da ingantaccen ingancin ruwa sau da yawa saboda tsirran kawar da wuce gona da iri irin su nitrates da phosphorus.^[3]

Ma'anoni da kalmomi

Sau da yawa ana lura da wuraren Marsh a cikin wuraren dausayi, kamar yadda aka gani a nan Jamaica Bay Gudun Gudun namun daji da ke birnin New York. Ma'anar fasaha Sauƙaƙen ma'anar dausayi shine "yankin ƙasar da yawanci ke cike da ruwa"[14]. Hakazalika, wuraren dausayi sune wuraren da “ruwa ke rufe kasa, ko kuma ya kasance ko dai a kusa ko kusa da saman kasa duk shekara ko kuma na lokuta daban-daban a cikin shekara, ciki har da lokacin girma”[15]. Facin ƙasar da ke tasowa tafkunan ruwa bayan guguwar ruwan sama ba lallai ba ne a yi la’akari da shi a matsayin “ƙasar datti”, duk da cewa ƙasar tana da ruwa. Ƙasar dausayi suna da halaye na musamman: gabaɗaya an bambanta su da sauran jikunan ruwa ko tsarin ƙasa bisa ruwansu^[4]

Manazarta

↑ Keddy, P.A. (2010). Wetland ecology: principles and conservation (2nd ed.). New York: Cambridge University Press. ISBN 978-0521519403. Archived from the original on 2023-03-17. Retrieved 2020-06-03
↑ "Official page of the Ramsar Convention". Retrieved 2011-09-25.
↑ Keddy, P.A. (2010). Wetland ecology: principles and conservation (2nd ed.). New York: Cambridge University Press. ISBN 978-0521519403. Archived from the original on 2023-03-17. Retrieved 2020-06-03
↑ "Home: Oxford English Dictionary"

[1] Keddy, P.A. (2010). Wetland ecology: principles and conservation (2nd ed.). New York: Cambridge University Press. ISBN 978-0521519403. Archived from the original on 2023-03-17. Retrieved 2020-06-03

[2] "Official page of the Ramsar Convention". Retrieved 2011-09-25.

[3] Keddy, P.A. (2010). Wetland ecology: principles and conservation (2nd ed.). New York: Cambridge University Press. ISBN 978-0521519403. Archived from the original on 2023-03-17. Retrieved 2020-06-03

[4] "Home: Oxford English Dictionary"

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