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Yankunan halittu a cikin Philippines

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Yankunan halittu a cikin Philippines

Wuri

Tsibirin Philippines yana ɗaya daga cikin manyan ma'ajiyar halittu da halittu masu ban mamaki a duniya. Tsibirin ya ƙunshi tsibirai sama da 7000, kuma jimillar faɗin ƙasar ya kai 300,780. km 2 .

Ba a taɓa haɗa Philippines da babban yankin Asiya ta hanyar gadoji na ƙasa ba, don haka dole ne flora da fauna na tsibiran su ketare mashigar teku don isa Philippines. Philippines wani ɓangare ne na daular Indomalaya, kuma flora da faunanta galibi sun samo asali ne daga yankin Asiya mai zafi. A fannin tsirrai, Philippines wani ɓangare ne na Malesia, lardin furanni wanda ya haɗa da yankin Malay, Indonesia, da New Guinea . Yawancin flora na Malesian sun samo asali ne daga yankin Asiya mai zafi, gami da dipterocarps, waɗanda sune bishiyar dazuzzukan Philippines ke da ita. Abubuwan da ke cikin flora na Antarctic, waɗanda suka samo asali ne daga tsohon yankin Kudancin Hemisphere na Gondwana, suma suna nan, gami da tsoffin conifers kamar podocarps (Podocarpus, Nageia, Sundacarpus) da araucarias (Agathis).

Yankunan da ke kewaye da Philippines ana bayyana su ne ta hanyar matakin teku a lokacin Zamanin Kankara, wanda ya yi ƙasa da mita 120 fiye da na yanzu, yayin da aka kulle biliyoyin galan na ruwa a cikin manyan kankara na nahiyar. Wannan raguwar matakin teku ya haɗa tsibirai da yawa da ke da bambanci zuwa manyan tsibirai, wanda ya ba da damar musayar tsirrai da fauna:

  • Babban Luzon ya haɗa da Luzon, Catanduanes, Marinduque, Polillo, da ƙananan tsibiran da yawa.
  • Babban Mindanao ya haɗa da Mindanao, Basilan, Bohol, Leyte, Samar, da ƙananan tsibiran da ke kusa.
  • Babban Palawan ya haɗa da Palawan, Balabac, Busuanga, Culion, Cuyo, da ƙananan tsibiran da ke kusa.
  • Greater Negros-Panay ya haɗa da Negros, Panay, Cebu, da Masbate .
  • Babban Sulu ya ƙunshi mafi yawan Tsibirin Sulu, daga Tawi Tawi zuwa Jolo .

Waɗannan tsibiran da ke da alaƙa da juna a da kowannensu ya ƙunshi wani yanki daban na muhalli, kamar yadda Mindoro yake, wanda ya kasance daban da sauran, tare da ƙananan tsibirai kaɗan, musamman Camiguin, Sibuyan, da Siquijor.

Kowace rukuni na tsibiran da gadoji na ƙasa suka haɗu a zamanin kankara suma suna wakiltar wani yanki na daban na dabbobin daji. Rashin gadar ƙasa zuwa nahiyar Asiya ya hana yawancin manyan tsuntsayen Asiya, ciki har da giwaye, karkanda, tapirs, damisa, damisa, da gibbons, isa Philippines, kodayake suna zaune a tsibiran Sundaland na Indonesia da ke makwabtaka da su, waɗanda a da suna da alaƙa da nahiyar Asiya ta hanyar raguwar matakan teku.

Wani babban abin da ke bayyana yankunan Philippines shine tsayi; manyan tsaunukan Luzon da Mindanao suna da yankuna daban-daban na dazuzzukan ruwan sama na tsaunuka. Duwatsun Luzon suma suna da dazuzzukan pine na wurare masu zafi na Luzon .

Yankunan muhalli na ƙasa

[gyara sashe | gyara masomin]

ta hanyar babban nau'in muhalli Dazuzzukan ganyaye masu laushi na wurare masu zafi da kuma na wurare masu zafi.[1]

  • Dazuzzukan ruwan sama na Greater Negros-Panay
  • Dazuzzukan ruwan sama na tsaunukan Luzon
  • Dazuzzukan ruwan Luzon
  • Dazuzzukan ruwan sama na tsaunukan Mindanao
  • Dazuzzukan ruwan sama na Mindanao-Eastern Visayas
  • Dazuzzukan ruwan Mindoro
  • Dazuzzukan ruwan sama na Palawan
  • Tsibiran Tekun Kudancin China (wanda ake takaddama a kansa tsakanin China, Malaysia, Philippines, Taiwan, da Vietnam )
  • Dazuzzukan ruwan sama na Sulu Archipelago

Dazuzzukan coniferous na wurare masu zafi da na wurare masu zafi

yankunan muhalli masu tsafta

[gyara sashe | gyara masomin]
  • Tsibiran Arewacin Philippines[2]
  • Palawan - Busuanga - Mindoro
  • Mindanao
  • Tafkin Lanao

Yankunan tattalin arzikin ruwa

[gyara sashe | gyara masomin]

ta lardin ruwa[3]

Tsakiyar Indo-Pacific

[gyara sashe | gyara masomin]
  • Tekun Kudancin China
    • Tsibiran Tekun Kudancin China
  • Murabba'i Mai Launi
    • Alwatika na Coral na Yamma
      • Palawan/Arewacin Borneo
      • Gabashin Philippines
      • Tekun Sulawesi/Mashigar Makassar
  1. Wikramanayake, Eric; Eric Dinerstein; Colby J. Loucks; et al. (2002). Terrestrial Ecoregions of the Indo-Pacific: a Conservation Assessment. Washington, DC: Island Press.
  2. Spalding, Mark D., Helen E. Fox, Gerald R. Allen, Nick Davidson et al. "Marine Ecoregions of the World: A Bioregionalization of Coastal and Shelf Areas". Bioscience Vol. 57 No. 7, July/August 2007, pp. 573–583.
  3. Spalding, Mark D., Helen E. Fox, Gerald R. Allen, Nick Davidson et al. "Marine Ecoregions of the World: A Bioregionalization of Coastal and Shelf Areas". Bioscience Vol. 57 No. 7, July/August 2007, pp. 573–583. [1]