Ndị Enyi nke Ọhịa Obodo
Ndị enyi nke Urban Forest (FUF) bụ òtù na-enweghị uru nke dị na San Francisco nke na-akụ ma na-elekọta osisi n'ime obodo San Francisco na gburugburu ya. 

A haziri FUF dị ka nzaghachi maka enweghị osisi na San Francisco. Osisi mbụ a kụrụ bụ ihe na-egbuke egbuke na Arbor Day, 1981, na Noe Valley.  Ka ọ na-erule afọ 2006, nzukọ ahụ akụwo ihe dị ka osisi 40,000.

Ihe ndị mere n'oge gara aga 
San Francisco bụbu ájá ájá ma nwee naanị obere osisi. Anwụrụ ọkụ, ifufe, ihu igwe oyi, na ikuku nnu mere ka o sie ike maka osisi ndị a kụrụ akụ na ndị a kụnyere ka ha dịrị ndụ. Naanị buckeye na Pacific willow bụ ihe a na-ahụkarị. 

Ọtụtụ n'ime osisi 90,000 dị n'obodo ahụ ka a kụrụ n'afọ 1880 ruo 1920 dịka akụkụ nke nnukwu ogige ntụrụndụ na ihe onwunwe. A kụrụ Monterey Pines na osisi Eucalyptus na San Francisco Presidio, Stern Grove, na Golden Gate Park. Otú ọ dị, ndị a Monterey Pines emetụtawo ọrịa pine canker ma na-anwụ anwụ.

Mkpa 
Na 12%, mkpuchi mkpuchi osisi San Francisco na-adịgide nke ukwuu n'okpuru 22% nke mba. Uru dị n'ịkụ ọtụtụ osisi gụnyere ihe ịchọ mma, ụkpụrụ ihe onwunwe ka mma (a na-ekwu na osisi tozuru etozu na-abawanye uru ihe onwunwe gbara ya gburugburu site na ihe dịka 1%), na-enyere aka na okpomọkụ zuru ụwa ọnụ site na ịmịkọrọ carbon dioxide na inye oxygen, na nchekwa ike n'ihi ụba osisi. kanopi.

Ọbụna n'ihe karịrị osisi 5,000 kwa afọ dị ka nke 2006, mgbalị ịkụ osisi San Francisco dị ntakịrị ma e jiri ya tụnyere obodo ndị ọzọ dị na California na n'ụwa nile. N'afọ ahụ, Los Angeles kwupụtara atụmatụ ịkụ otu nde osisi, na United Nations ewepụtala ego iji kụọ osisi nde 121 maka ebumnuche nke otu ijeri osisi.

Hụkwa 

 Andy Lipkis

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