Phân tích đa dạng cảnh quan đảo Cái Bầu, huyện đảo Vân Đồn, tỉnh Quảng Ninh

Hfli Dia 1^ ViSt Nam Bai hoc Thai NguySn

---^gXNTiC H DA DANG CAN H QUAN DA O CA I BAU, HUYEN BA O VAN DON,

TINH QUAN G NINH

Phgm Hoang Hdi', Pham Thi Hdng Nhung^, Trin Thi Cham^

Abstract

Analysis of landscape diversity in Cai Bau islan, Van Don district, Quang Ninh province

Studies landscape diversity, including structural diversity, function and dynamics are of great

significance in the research landscape. The findings shed light on landscape character, natural features of

the area. This is the scientific basis for establishing the full development purposes

As the second largest island, Cai Bau has abundant natural resources, diverse landscape. The

elements forming the landscape has created a rich diversity in the structure and functions of the regional

landscape With 18 types of landscape make horizontal structure Cai Bau island At the same lime, the

landscape of the island has many functions for socio-economic developmeni, environmental protection

territory. The results of this study are the basis for the further study of landscape assessment, or build a

scientific basis for exploitation-oriented, resource use, planning..

I.DATVANDE

NghiSn ciiu cdnh quan la mot hudng nghien ciiu dia ly tdng hgp, ttong do nghiSn cuu da

dgng canh quan la ngi dung quan trong nham muc tieu phdn tich, danh gia sy phong phu, tinh phiic

tap nhung cd qui lugt ttong phan bo khdng gian, thdi gian cua cac thanh phan tu nhien cua mot don

vi tfing hop the tu nhien (canh quan). Nghien cuu cdnh quan vd da dang canh quan lanh tho dao la

mpt noi dung phiic tgp song lgi rat cap thiet. Phiic t ^ bdi lanh tho ddo cfaiu su chi pfaoi manh cua

cac yeu to hdi duong md ddi khi chiing cdn lam md nhgt sy tac dgng cua cdc yfiu tfi dja ddi. Mat

khac, do lanh tho dao each xa dat lien, trade day it dugc chii y nen tai heu nghien ciiu ve dao cdn

mong. Nhung trong giai doan hien nay vd taong lai, bien dao cd tim quan trong chifin luge dgc biet

trong sy pfaat trien cda dat nuac, rit can nhiing nghien ciiu, danh gia tong hop difiu kien ta nhien,

trong do cd nghien cuu da dgng canh quan nham xac lap ca sd khoa hgc pfauc vu muc ffich qui

hogch, de xuat phuong an pfadt trien kinh te-xa hgi (KT-XH) cdc ddo tren co so khai thdc, sir dung

hpp Iy tai nguyen vd bdo vp mdi tratmg.

Cai Biu Id ddo Ion nhat thugc huypn ddo Vdn Don tinh Quang Ninh cd dien tieh 17 212ha,

gom hau hfit 1/2 dipn tich dat hen cua huypn dao [6]. Dao tach rdi khdi dit lien (phudng Cira Ong,

thi xa Cam Phd) bdi kSnh Cira Ong vd song Voi Ldn. Cdi Bau la trang tam hanh chinh ciia huyen

dao, gom thi trin Cai Rong va 5 xa: Dai Xuyen, Vgn Yen, Binh Dan, Doan Ket, Ha Long cua

huyen Van Don. Khu kinfa te Vdn Don dugc Thu tadng Chinh phu phe duyet thanh lap nam chu

yeu tten dao Cai Biu - dugc xac djnh la "trung tam du ljch bien dao chit lugng cao, la "diu moi

giao thong quoc te" vd la "tten don viing chdc phia Dong Bac ciia To quoc". Viec quy hoach Khu

kinh te gdn lifin vdi gift gin, bao vp moi tradng sinh thai toi uu tten timg dan vi lanh thfi (don vj

canh quan) la van dfi mang tinh chien luoc. Do do, van dung Ii thuyet khoa hoc cdnh quan de phan

tich da dgng cdnh quan, Iam rd su da dgng ciia cdc dieu kien ta nhien, tdi nguyen thien nhien

(TNTN), xay dung co sd khoa hgc cho dinh huong phat trien kinh tfi xa hgi (KT-XH) ddm bdo sy

phat trien ben vung cua ddo Id van dfi ckp thifit.

Bdi vifit nay nham myc tieu: 1/ tong hgp ca sd ly luan nghien ciiu da dang canh quan; 2/

ung dyi^ cae phuong phdp vdo nghien euu, phan tich ddc diem da dang canh quan ddo Cai Bau,

lam ro cgy triir;.,P£iitig,-f.gi)--tr'')r-r:b-V.C-n?n£, E)e nghien ciiu cdc ngi dung ddt ra, tac gid da sir dimg

cac phuang pfaap trayfin thong trong nghien cuu cdnh quan, gfim: quan sat, mo ta, gidi thich; kfado

sat ckah quan; phuong ph ^ bdn do vd he thong tin dia ly (GIS); phan tich canh quan; thu thap, xu

ly so lieu, phan tich tong hgp.

^ I 'i4n Dfa ly-Viin Hdn ldm KH& CN Vi$l Nam

_]jy&ng DH Khoa hpc - DH Thai NguySn

KpySu Hdi nghi Khoa hgc Dta ly todn qudc ldn tha 7