Zachilengedwe zanyama

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Zachilengedwe zanyama ndi sayansi yophatikizana yomwe idatulukira pamphambano ya zoology, zachilengedwe ndi geography. Amaphunzira za mitundu ya nyama zosiyanasiyana kutengera chilengedwe. Popeza nyama ndi gawo la chilengedwe, ndizofunikira kuti zamoyo zizikhala ndi moyo padzikoli. Afalikira kumalekezero onse adziko lapansi: amakhala m'nkhalango ndi m'chipululu, m'mapiri ndi m'madzi, m'malo ozungulira, amapita mlengalenga ndikubisala pansi.

Nyama yaying'ono kwambiri ndi Kitty, mileme ya mphuno ya nkhumba, yomwe matupi ake amakhala a 2.9 mpaka 3.3 cm kutalika ndipo amalemera mpaka 2 g. Mwa nyama zonse zomwe zikukhala Padziko Lapansi, nthumwi yayikulu kwambiri ya nyamayi ndi blue whale, yomwe imatha kutalika 30 m, imalemera matani 180. Zonsezi zikuwonetsa kuti nyama ndi zodabwitsa komanso zosiyanasiyananso.

Mavuto osungira nyama

Tsoka ilo, mphindi 20 zilizonse mtundu umodzi wa nyama umasowa padziko lapansi. Ndi mulingo wotere, pamakhala chiopsezo chotha mtundu uliwonse wachinayi wa zinyama, mitundu yonse yachisanu ndi chitatu ya mbalame, ndi mtundu uliwonse wachitatu wa amphibian. Anthu samalingalira ngakhale momwe kuwonongeka kwakukulu kwa kusowa kwa nyama padziko lapansi.

Pazachilengedwe zanyama, ndikofunikira kuzindikira kuti nyama zapadera ndi chiyani, ndipo kusowa kwake kudzatsogolera kuimfa kwa dziko lathunthu, popeza nyama zimagwira ntchito zingapo zofunika:

  • onetsetsani kuchuluka kwa zomera;
  • kugawira mungu, zipatso, mbewu za zomera;
  • ndi gawo la chakudya;
  • kutenga nawo mbali pakupanga nthaka;
  • bwanji mapangidwe malo.

Mavuto azachilengedwe

Popeza chilengedwe chimakhala ndi mavuto azachilengedwe, sizachilendo kwa zinyama. Kuwonongeka kwa mpweya kumathandizira kuti nyama zipume mpweya wonyansa, ndipo kugwiritsa ntchito madzi odetsedwa kumabweretsa matenda ndi kufa kwa nyama zosiyanasiyana. Nthaka yakuda, mvula ya asidi ndi zina zambiri zimathandizira kuti zinthu zopangira mankhwala ndi poizoni zimalowa m'thupi kudzera pakhungu, zomwe zimayambitsanso imfa ya nyama. Zachilengedwe zikawonongedwa (nkhalango zidulidwa, madambo amasungunuka, mabedi amtsinje asintha), ndiye kuti nzika zonse zakomweko zimakakamizidwa kufunafuna nyumba yatsopano, kusintha malo okhala, ndipo izi zimabweretsa kuchepa kwa anthu, popeza si aliyense amene ali ndi nthawi yosinthira malinga ndi malo atsopanowa.

Chifukwa chake, nyama zimadalira kwambiri chilengedwe. Ubwino wake umangotengera kuchuluka kwa mitundu inayake, komanso kuzungulira kwa moyo, kukula bwino ndi chitukuko cha nyama. Popeza munthu amasokoneza chilengedwe, amatha kuwononga zinyama zambiri popanda kuthekanso kuti zibwezeretsedwe.

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Onerani kanemayo: Economic Valuation of Wildlife Resources Chichewa (September 2024).