Nkewa nke ọnụ ọgụgụ mmadụ

Nkewa nke ọnụ ọgụgụ mmadụ bụ ụdị nkewa nke ọnụ mmadụ. Ọ na-abụkarị site na nkwarụ ebe obibi.

Ihe Na-akpata Nkewa

Nkewa nwere ike ịbụ ihe kpatara ike okike ma ọ bụ omume mmadụ, ọ bụ ezie na n'oge a, ọrụ mmadụ bụ ihe na-akpatakarị ya. Ụfọdụ n'ime ihe ndị na-akpata nkewa bụ:

mmepe nke ala gburugburu ebe a na-echebe, ọbụlagodi site na mgbakwunye nke otu ụzọ ma ọ bụ eriri mgbidi.
ijide, ijide ma ọ bụ igbu ụdị dị iche iche n'ógbè na-ejikọta ndị mmadụ.
ngagharị nke ndị mmadụ pụọ na ndị ọzọ nke ụdị ahụ, dị ka iwebata anụ ọhịa wolf na moose na Isle Royale.
usoro ala, dị ka mbuze ala ma ọ bụ ugwu mgbawa, na-ekewa ebe obibi
ịrị elu nke oke osimiri na-ekewa agwaetiti site na ihe bụbu ala nkịtị.
okpomọkụ ụwa, ọkachasị mgbe ejikọtara ya na ugwu, na-ebelata njem site n'otu ebe obibi gaa na nke ọzọ.^[1]

Mmetụta mkpụrụ ndụ ihe nketa

Nkewa nke ọnụ ọgụgụ mmadụ na-akpata ịda mbà n'obi, nke na-eduga na mbelata nke mgbanwe nke mkpụrụ ndụ ihe nketa na ụdị ndị metụtara. Nke a na-ebelata ahụike nke ndị mmadụ n'ihi ọtụtụ ihe. Nke mbụ, inbreeding na-eme ka asọmpi na ndị ikwu, nke na-ebelata ahụike evolushọn nke ụdị ahụ.^[2] Nke abụọ, mbelata nke mgbanwe nke mkpụrụ ndụ ihe nketa na-eme ka ohere dị ukwuu nwere ike igosipụta àgwà homozygous recessive na-egbu egbu; nke a na-ebelata nkezi nke ụmụ a na-amụpụta, na-ebepụ ọnụ ọgụgụ mmadụ. Mgbe ọnụ ọgụgụ mmadụ dị ntakịrị, mmetụta nke mkpụrụ ndụ ihe nketa na-abawanye, nke na-eduga na obere na / ma ọ bụ nhazi nke alleles. N'aka nke ya, nke a na-eduga n'ịbawanye homozygosity, na-emetụta ahụ ike nke onye ọ bụla n'ụzọ na-adịghị mma. Enwere ike imebi arụmọrụ nke osisi site na nhọrọ na-adịchaghị mma nke na-ebute mmụkọ nke mmụgharị na-emebi emebi na obere mmadụ. Ebe ọ bụ na ndị nọ n'obere mmadụ nwere ike ịbụ ndị ikwu, ha na-enwekarị ike ịmụ nwa. Mbelata ahụ ike nwere ike ime na obere osisi n'ihi mmụkọ mmụkọ, mbelata ụdị mkpụrụ ndụ ihe nketa, yana mmụba ịmụba. Ka oge na-aga, ikike evolushọn na ikike nke ụdị iji mee mgbanwe na gburugburu ebe obibi na-agbanwe agbanwe, dị ka mgbanwe ihu igwe, na-ebelata.^[3]

Hụkwa Ihe ọzọ

Mgbasawanye nke Mgbasa Ozi
Okporo ụzọ anụ ọhịa

Edensibia

↑ Hermes (2018-01-24). "Projected impacts of climate change on habitat availability for an endangered parakeet". PLOS ONE 13 (1): e0191773. DOI:10.1371/journal.pone.0191773. ISSN 1932-6203. PMID 29364949.
↑ Kpọpụta njehie: Invalid <ref> tag; no text was provided for refs named ProctorMcLellan
↑ Leimu, R., Vergeer, P., Angeloni, F., & Ouborg, N. J. 2010. Habitat fragmentation, climate change, and inbreeding in plants. The Year in Ecology and Conservation Biology 1195:84-98.

[1] Hermes (2018-01-24). "Projected impacts of climate change on habitat availability for an endangered parakeet". PLOS ONE 13 (1): e0191773. DOI:10.1371/journal.pone.0191773. ISSN 1932-6203. PMID 29364949.

[ProctorMcLellan-2] Kpọpụta njehie: Invalid <ref> tag; no text was provided for refs named ProctorMcLellan

[3] Leimu, R., Vergeer, P., Angeloni, F., & Ouborg, N. J. 2010. Habitat fragmentation, climate change, and inbreeding in plants. The Year in Ecology and Conservation Biology 1195:84-98.

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