Video: Cov ntoo eucalyptus zoo li cas hauv California?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Lub xiav cov pos hniav , ib nrab eucalyptus ncav cuag ib ncig ntawm 150 mus rau tshaj 200 ko taw siab, yog feem ntau eucalyptus hauv California . Cov no ntoo tau yooj yim lees paub los ntawm lawv cov nplooj xiav xiav thiab cov tawv tawv greyish uas nthuav tawm tus du, sib piv cov xim daj daj thaum cov tawv ntoo tawm hauv cov strips ntev.
Xav txog qhov no, cov ntoo eucalyptus puas loj hlob hauv California?
North America. Hauv xyoo 1850, Eucalyptus ntoo tau qhia rau California los ntawm Australians thaum lub sij hawm California Rush kub. Ntau ntawm California zoo ib yam li kev nyab xeeb rau qee qhov ntawm Australia. Los ntawm thaum ntxov 1900s, ntau txhiab hectares ntawm eucalypts tau cog nrog kev txhawb nqa ntawm tsoomfwv lub xeev.
Tom qab ntawd, lo lus nug yog, cov ntoo eucalyptus puas muaj kev tiv thaiv hauv California? Ntau tshaj 90 feem pua ntawm cov nroj tsuag qhia hauv California tau kov yeej cov teeb meem ntawm kev ciaj sia thiab kev yug me nyuam hauv lawv lub tsev tshiab yam tsis muaj kev puas tsuaj rau hom tsiaj. Cov California Invasive Plant Council (CAL-IPC) faib cov pos hniav xiav eucalyptus raws li "moderate" invasive vim lub ntoo xav tau tej yam xwm txheej kom vam meej.
Ib yam li ntawd, muaj pes tsawg tsob ntoo eucalyptus nyob hauv California?
Nrog kwv yees li 40,000 ntawm eucalyptus cog thoob lub xeev, lub ntoo tsis yooj yim kom tshem tau.
Qhov twg eucalyptus loj hlob nyob rau hauv Teb Chaws Asmeskas?
Thaum lub Eucalyptus yog nyob rau Australia, nws loj hlob nyob rau hauv ntau yam kev nyab xeeb los ntawm nruab nrab Carolinas sab qab teb nyob rau hauv lub Tebchaws Meskas . Eucalyptus ntoo tau qhia nyob rau sab hnub tuaj Tebchaws Meskas xyoo 1878 tab sis tsis yog loj hlob kev lag luam hauv Florida kom txog rau thaum xyoo 1960s.
Pom zoo:
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