Chuyen kho tin ve mot cay tung cho 1500 khoi go

Thứ bảy, 12 Tháng năm 2012, 05:22 GMT+7

Cay tung nay nang toi 2.000 tan va can den 30 vdoarea khung, loai 40 feet moi cho het duoc so go cua no.
Chuyen kho tin ve mot cay tung cho 1.500 khoi go
O Cong vien quoc gia California (My) co mot cay than go khong lo, to nhat hanh tinh. No co ten General Sherman.

General Sherman la loai thuoc ho thong, con goi la cu tung hay tung bach. Ten co cua no la sequoia, do toc nguoi da do Cherokee dat. Sequoia la ten cua nguoi da sang lap ra van tu tuong hinh cho toc nguoi nay. Nhu vay, tu thuo xa xua, toc nguoi Cherokee da coi cay tung nay la mot cay linh thieng.


Chuyen kho tin ve mot cay tung cho 1.500 khoi go

General Sherman la loai sinh san vo tinh. Cay tung khong lo nay sinh ra tu mot hat giong vo cung be, chi bang hat gao.
Chuyen kho tin ve mot cay tung cho 1.500 khoi go
Cac nha khoa hoc da tinh toan rang, no can mot luong dat chung 100 ngan met khoi de sinh song. Dien tich be mat de no moc re va moc tan can toi 5 san van dong tieu chuan quoc te.


Chuyen kho tin ve mot cay tung cho 1.500 khoi go

Chua co con so chinh xac ve tuoi tho cua cay General Sherman. Co nha khoa hoc cho rang, no da co tuoi 4.000 nam, tuong duong voi cac Kim tu thap o Ai Cap, song cung co nguoi tin rang, no moi khoang 2.700 nam.
Chuyen kho tin ve mot cay tung cho 1.500 khoi go
Mot nha van da mo ta rang, cach day 4.000 nam, khi cac Pharaon o Ai Cap dat nen mong xay dung Kim tu thap, thi o vung rung ru thuoc California ngay nay, hat giong cua loai tung nay bat dau nay mam. Sau 2.000 nam, de quoc La Ma den hoi cuc thinh, thi cay tung nay da dat den kich co khong lo.


Chuyen kho tin ve mot cay tung cho 1.500 khoi go

Khi cac vung dat mau mo Ai Cap tro thanh sa mac, nhieu nen van minh bien mat, cac Kim tu thap bi nhung con bao cat chon vui duoi long dat, thi cay thong khong lo nay van hien ngang song. No chinh la hien than cua su bat tu, la nhan chung song lau nhat tren hanh tinh cua chung ta.

Khong ai dung duoi goc cay tung nay ma khong thay minh that nho be. Phai can toi 17 nguoi lon, cung nam tay nhau, moi kin duoc vong than cua cay tung nay.
Chuyen kho tin ve mot cay tung cho 1.500 khoi go
Cay sequoia cua Cong vien quoc gia California nay duoc dat ten la General Sherman, chinh la ten vi tuong huyen thoai trong cuoc noi chien Bac – Nam cua My.


Chuyen kho tin ve mot cay tung cho 1.500 khoi go

Cay cao gan 100 met, chu vi than 34m. Rieng mot so canh cua no cung co duong kinh len den 2m. Neu tinh ve mat the tich, thi no la cay lon nhat the gioi con song hien nay.

Theo cac tinh toan vao nam 1975, chi rieng phan than da cho khoang 53.000 feet khoi go, tuc khoang 1.500 met khoi go, luong go tuong duong voi viec khai thac ca mot… goc rung.
Chuyen kho tin ve mot cay tung cho 1.500 khoi go
Voi luong go nhu the, cay tung nay nang toi 2.000 tan va can den 30 vdoarea khung, loai 40 feet moi cho het duoc so go cua no.


Chuyen kho tin ve mot cay tung cho 1.500 khoi go

Theo tinh toan, voi so go nay, du lam 100 ngoi nha rong rai, voi day du cac thiet bi trong nha. Tuc la chi can ha cay General Sherman la du de lam nha cho ca mot xom nho.

Cay General Sherman co the con lon hon nua, neu nhu khong co nhieu lan bi set danh gay ngon, chay than. Vi cay qua cao, hap thu set, lien tuc bi set danh, nen hien chi 40% than cay con suc song.
Chuyen kho tin ve mot cay tung cho 1.500 khoi go
Theo su sach cua vung dat nay, thi cay General Sherman chua phai la cay lon nhat neu xet ve qua khu. Theo do, cay lon nhat cao toi 140m, cung chu vi than len toi 35m. Tiec rang, cay General Sherman nay da bi bao quat do vao hon 100 nam truoc.


Chuyen kho tin ve mot cay tung cho 1.500 khoi go

Loai sequoia co chieu cao cuc dai tu 70 den 120 met cung duong kinh than len toi 9m. Tuoi tho cua no len den 4.000 nam.

So di loai sequoia song truong ton voi thoi gian nhu vay, vi no co mot bo re dac biet, cung nhu thep va lan rong, an sau trong long dat. Bo re cuc khoe ay da cung cap nguon dinh duong vo cung doi dao cho cay.

Ngoai ra, sequoia cung chua nhieu khang the, nen no chong choi tot voi su tan cong cua cac loai con trung, cac loai sau duc than va su khac nghiet cua thien nhien.

Moi quy doc gia chiem nguong cay sequoia tu nhung goc do khac trong slideshows:
Chuyen kho tin ve mot cay tung cho 1.500 khoi go

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