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Ishyamba

Kubijyanye na Wikipedia
Imisozi ya Adirondack ya Upstate New York igize igice cyamajyepfo yuburasirazuba bwamashyamba-boreal inzibacyuho ecoregion
Ishyamba

Ishyamba .ni agace k'ubutaka bwiganjemo ibiti. Amajana asobanura amashyamba akoreshwa kwisi yose, akubiyemo ibintu nkubucucike bwibiti, uburebure bwibiti, imikoreshereze yubutaka, ubuzimagatozi, nibikorwa by ibidukikije. Ishami ry'Umuryango w'Abibumbye ryita ku biribwa n'ubuhinzi (FAO) risobanura ishyamba ngo, "Ubutaka bungana na hegitari zirenga 0,5 zifite ibiti birenga metero 5 kandi bitwikiriye ibiti birenga 10 ku ijana, cyangwa ibiti bishobora kugera kuri izo mbago aho biri. ntabwo ikubiyemo ubutaka bwiganjemo gukoreshwa mu buhinzi cyangwa mu mijyi. " Ukoresheje iki gisobanuro, Isuzuma ry’umutungo w’amashyamba ku isi (FRA 2020) ryerekanye ko amashyamba afite hegitari miliyari 4.06 (hegitari miliyari 10.0; kilometero kare 40,6; kilometero kare miliyoni 15.7), cyangwa hafi 31% by’ubutaka ku isi muri 2020

Ishyamba

Amashyamba ni yo yiganjemo urusobe rw'ibinyabuzima byo ku isi, kandi usanga ku isi hose. Kurenga kimwe cya kabiri cyamashyamba yisi aboneka mubihugu bitanu gusa (Burezili, Kanada, Ubushinwa, Uburusiya, na Amerika). Umugabane munini w’amashyamba (45 ku ijana) uri mu burebure bushyuha, ugakurikirwa n’uturere twa boreal, ubushyuhe, na subtropic..

Amashyamba angana na 75% yumusaruro wambere wibinyabuzima byisi, kandi urimo 80% byibinyabuzima byisi. Umusaruro wibanze ubarirwa kuri 21.9 gigatonnes ya biomass kumwaka kumashyamba yo mu turere dushyuha, 8.1 kumashyamba ashyushye, na 2.6 kumashyamba ya boreal. [1]

  1. : 593–62. {{cite journal}}: Cite journal requires |journal= (help); Missing or empty |title= (help)