KHOA HOC CONG NGHl
IMGHIEIV CULI D A DAIVG THIJC VAT CO MACH a KHU Dl TtCH IVGUYilV 5IIVH s A c , THAIXIH PHO CAO LAIVH, TIIVH DOIXIG THAP
Phiun Thi Thanh Mai'
T6MTAT
Thuc vat CO mach & Khu di tich Nguyin Sinh Sac, thanh pho Cao I^nh. tinh Dong Thap qua nghidn ciiu da xac dinh duoc 426 loai, 295 chi, 107 ho, 66 bo, 5 lop thuoc 3 nganh: nganh Duong xi (Polypodiophyta), nganh Thong (Pinophyta) va nganh Ngoc lan (Magnoliophyta). Trong do, ngiinh Ngoc lan (Magnohophyta) la da dang nhat va chi€m tm the nhjit, voi 408 loai, lop Ngoc lan (Magnoliopsida) c6 304 loai. He thuc vat rat da dang vii phong phii. Gia tri sir dung ciia thirc v^t co mach dugc chia lam 10 nhom chinh, trong do co 204 loai cay lam ciinh, 191 loai cay Um thudc va 87 loai cay an dugc. H§ thuc vat ngi day c6 5 dgng than chinh:
than g6, than thao, than bui, day leo va ky sinh, trong dd dang thiin thao chiem uu the vin 205 loai. Dong thoi, he thuc vat co 5 loai thuc vat ngoai lai xam hai la Mai dugng (Mimosa pigra L), Tram oi (Isntana camaraL.), Cd tranh (hnperata cyltndraca (L.) P. Beauv.), Ciic xuyen chi (Wedeiia dilobata (L.) Hitch) va Luc binh (Fichhornia crassipes (Mart.) Solms). Ben canh do, ket qua nghien cuu da ghi nhan dugc 14 loai thuc vat CO gia tri bao ton cao dang hi de doa tren pham vi quoc gia va qudc td, trong dd cd 3 loai trong Sach Do Viet Nam (2007), 13 loai trong Sach Do the gigi lUCN (2017) va 3 loai frong Nghi dmh 32/2006/ND-CP (2006). Nghien ciru nay gdp phan quan trpng vao cdng tac quan ly, bao tdn da dang sinh hoc va phat trien ben vung I^u di tich Nguyen Sinh Sac.
Tir khda: Ba dang smh hoc, Dong Thap. Khu di dch NguySn Sinh Sic. diuc vat co mach.
1 . BAT VAN BE
Khu dl tich Nguyfen Sinh Sac thudc phuong 4, thanh phd Cao Lanh, tinh Dong Thap la cdng trinh ttiong niem, ghi on cu Nguyen Sinh Sac - nha nho yeu nuoc, than sinh Chii hch Ho Chi Minh - dugc xay dtmg vao ngay 22/8/1975 va khanh thanh ngay 13/12/1977. Nhan ky niem 100 nam ngay sinh H6 Chu hch (19/5/1990), Khu di hch da mo rdng them md hinh nha san Bac Hd (xay dung theo nguyen miu o Ha Noi, ti le 1/1) vaAoSen (ao ca), ddng thai dupe Bg Van hda, The thao & Du Itch cdng nhan la Khu di tich lich sir - vSn hda vao thang 9/4/1992 vdi chiic nang nghien ctm va giao due khoa hgc ve cudc doi, su nghiep ctia cu Phd bang Nguydn Sinh Sac va Chit Uch Hd Chi Minh. Vao ngay 2/12/2010, nhan le gid 14n thu 81 cu Phd bang Nguydn Sinh Sac (27/10 am hch), Khu di tich Nguydn Sinh Sac da dua cdng trinh "bao ton, tdn tao va phat huy gia tri md cu Nguyin Sinh Sac" vao hoat ddng. Sau nhidu lin tdn tao, Khu di tich Nguydn Sinh Sic da tro thanh met quan the cdng trinh lich su van hda luu niem cap Qudc gia ndi hdng - mdt khu diem du lich smh thai.
ve nguon quan trgng cua tinh Ddng Thap va khu vuc dong bing sdng Ctru Long voi tdng dien tich khoang 9 ha, gdm cac hang muc chinh nhtr Vdm mg, Hd sao, Ddn thd cu Phd bang Nguydn Sinh Sac, nhi Kidng (trung biy cudc doi su nghiep ciia Chu tich Hd Chi Minh), n h i trung biy cudc doi vi su nghiep cu Phd bang Nguydn Sinh Sic, md hinh nha San va ao c i Bic Hd, mdt gdc lang Hda An xua... (theo ngudn http://diachnguyensinhsac.vn/).
Trong dd dae sic va gin giii vdi thidn nhidn nhat la lang Hda An xua (dien Uch khoang 4 ha) dugc til hien lai sinh ddng net dep ciia mdt khdng gian van hda ling que xua cd smh canh ddc dio va hd thuc vat tu nhien rit phat trien.
Trong toan khudn vidn Khu di tich Nguydn Sinh Sac cd rat nhieu loii thuc vit cd mach mgc hoang hi nhien va dugc h-dng lim canh, lim thudc cd gia tfi vd mat sinh hgc, sinh that, y duoc hgc... tao nen su da dang, phong phii cho canh quan noi diy. He sinh thai thuc vat a Khu di tich dugc xem li "li phdi xanh" cua thanh phd Cao Lanh, cd vai hd quan trgng trong viec thanh loc khdng khi, tao mdi hutmg smh thai b-ong lanh, thanh mit, gdp phin han che d nhidm mdi ' Trucmg Oai hpc Ddng Thap
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tnrong, dieu hoa khi hau... va tham gia true tiep vao viec chong bi^n doi khi hau, nuoc bien dang.
Tir tnroc den nay chua co cong trinh khoa hoc nao danh gia he thuc vat thuoc Khu di tich nay. Do do, da tien hanh nghien cuu da dang thuc vat c6 mach noi day de xay dung danh luc thanh phdn loai, danh gia su da dang ciia chiing, gop ph&n bao t6n, gin giir cac loai cay quy hi^m phuc vu cho nghien cuu ton tao va phat tnen Khu di tich Nguyen Sinh Sac ngay cang them tuoi dep, ben vung cung nhu gop phan vao viec bao ve moi trudng sinh thai, bao t6n gioi thuc vat noi rieng va da dang sinh hoc noi chung tnroc anh huong cua bien doi khi hau.
2 . DOI TIIONG VA PHUDNG PHAP NGHei CUU 2.1. D6i tupng nghidn cihi
Cac loai thuc vat co mach b Khu di tich Nguyen Sinh Sdc, tfianh pho Cao Lanh, tinh D6ng Thap.
2.2. Phmmg phap nghidn dm
- Phuong phap ke thira: thu thap va ke thira co chon loc cac tai lieu, cac cong trinh khoa hpc c6 lien quan den van de nghien cuu de tong hop thong tin, van dung vao viec phan tich, bifen luan cac ket qua dat duoc.
Hinh 1. T o ^ canh Khu di tich Nguyin Sinh S k (Nguon htip://ditichnguyensmhsac vn/)
Hinh 2. MOt g6c Lang H6a An xua (Nguon http://ditichnguyensmhsac. vn/) - Phuong phap nghien ciiu thuc dia: tien hanh khao sat thuc dia tai Khu di tich Nguyen Sinh Sdc va
thi^t lap 30 6 tieu chuan voi kich thuoc 20 x 20 m. Tai m6i 6 tieu chuan thuc hien difiu tra tat ca cac loai thuc vat CO mach, ghi nhan so lieu, quan sat, mo ta, ghi chep v^ ten dia phuong, dae diem cua cay, ehup anh mau va thu mSu.
- Phuong phap chuyen gia: su dung phuong p h ^ chuyen gia trong xir ly miu, giam dinh m&u va tra euu ten khoa hpc cae loai thuc vat co mach.
- Phuong phap xay dimg danh luc: danh luc thanh phan loai duoc sdp xep theo he th6ng ciia Bnmimit(1992).
- Phuong phap danh gia da dang ve phan loai:
dua vao bang danh luc he thuc vat, thong k&, so sanh so loai, chi, hp, bo, lop va su phan bd cac taxon trong cac lop theo timg nganh thuc vat tir thap d^n, tinh ty- le % eua cac taxon de danh gia miic dp da dang ciia chiing.
- Phuong phap danh gia da dang vk dang than: tir so heu thong ke cae dang than ehinh trong bang danh luc thue vat co mach b khu nghien cuu, tinh ^ le % so loai thuoc moi dang than do so voi tong so loai cua ca he thuc vat.
- Phuong phap danh gia da dang vk gia tri sii dung: viec phan chia va xae dinh cac nhom eay theo gia tri su dung dua vao cac tac gia: D6 Tat Loi (2003), Vo Van Chi, Trdn Hpp (2001 - 2002) va Vien Duoc Ueu (2016).
- Phuong phap danh gia ngudn gen quy hiem:
dua vao Nghi dinh 32/2006/ND-CP (2006), Sach Do Viet Nam (2007), Sach Do The gioi lUCN (2017) de xac dinh cae loai thuc vat quy hiem co gia tri bao ton b Khu di tich nay.
- Phuong phap danh gia thuc vat ngoai lai xam hai: dua vao danh muc eac loai ngoai lai xam hai dupe ban hanh boi Bp Tai nguyen va Moi truong. Bo Nong nghiep va Phat trien nong thon (2013) de thong ke va danh gia muc do xam hai eua cac loai thue vat ngoai lai ddi voi he thuc vat noi day.
3 . KET QUA niGHBV CUU VA THAO LUAN 3.1. Da dang vk cde taxon trong cac ng^nh Ket qua nghien euu thue vat co mach tai Khu di tich Nguyen Sinh Sde, thanh pho Cao Lanh, tinh D6ng Thap da xac dinh dupe 426 loai, 295 chi, 107 hp va 66 bp thuoc 3 nganh: Nganh Duong xi (Polypodiophyta), nganh Tiiong (Pmophyta) va nganh Ngpc lan (Magnoliophyta), so lieu dupe tnnh bay cr hinh 3.
96 N O N G NGHIEP V A PHAT TRIEN N O N G THON - KY 1 - THANG 3 2019
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80
/' '
y
^ ^
•• ^Mjypiii.oi p,-,p.dt^>,i.3.3. Da dang ve dang th§n
Thuc vat eo mach d Khu di tich Nguyin Sinh Sdc cd 5 dang than chinh: cay than go, eay than thao, cay than bui, day leo va cay ky smh, so lieu dupe ghi nhan d hinh 5.
Hinh 4 . 1 ^ 1^ phan bo c^c taxon 16p trong cde ngdnh Hinh 4 cho thay Idp Ngoe lan (MagnoHopsida) cd sd luong taxon d cac bdc la da dang nhat va chiem uu th^ n h a t ke den la Idp Hanh (Uliopsida); thu ba lop Duong xi (Polypodiopsida); xep thu tu Idp Thdng (Pinopsida) va kem da dang nhat la Idp Tue (Cyeadopsida).
Hinh 3. Ty 1$ phdn bd cde taxon trong cde ngdnh Hmh 3 cho thay nganh ed sd lupng taxon b eac bac la da dang nhdt va chiem uu the nhat la nganh Ngpc lan (Magnoliophyta), vdi 408 loai, 280 chi, 94 hp, 58 bd va 2 Idp. Trong khi dd, nganh Duong xi (Polypodiophyta) it da dang (13 loai, 10 ehi, 9 ho, 4 bd, 1 Idp) va nganh Thdng (Pinophyta) la kem da dang nhat (5 loai, 5 chi, 4 hp, 4 bp, 2 Idp). Dieu nay cho thay tinh chat nhiet ddi ciia he sinh thai thuc vat mien Nam noi day.
Thuc vat cd mach d Khu di tich Nguyin Sinh Sdc rat da dang va phong phii vdi 426 loai (trong dd cd 296 loai cay dupe trong va 130 loai eay mpc txi nhien).
3.2. Da d ^ g bdc Idp
Cac taxon trong bdc Idp thudc 3 ngdnh: Duong xi (Polypodiophyta), Thong (Pinophyta) va Ngpc lan (Magnohophyta) ed su phan bd khde nhau, the hien qua hinh 4.
Hmh 5. Ty le cac nhdm dang thdn edc loai thuc vdt cd mgch xde dinh dupe
Ket qua d hinh 5 cho thay dang than cd nhilu loai nhat va chiem uu the nhat trong Khu di tich Nguyin Sinh Sdc la dang eay than thao (vdi 98 loai thao nhieu nam, 82 loai thao mdt nam, 25 loai fliao thiiy sinh); thu hai dang cay than gd (gdm 120 loai gd dung, 7 loai gd leo); thir ba dang eay than bui (55 loai); thu tu dang day leo (38 loai) va sau cimg dang cay ky sinh (Hoai).
Loai thuc vat ky sinh la Tam gm {Scumila parasitica L.) dang sdng nhd vao nhilu cay than gd vd ed nguy eo gay hai den su sinh trudng, phat triln eua cac cay than gd dong thdi lam mat ve my quan cho sinh canh Khu di tich nSn can sdm diSt trir de bao ve eae cay eanh than gd va lam dep cho eanh quan noi day.
3.4. Da dang ve gid tri tdi nguyfin thuc vdt 3.4.L Da dang vegii tri sudung
Tren co sd bang danh luc thanh phdn loai thuc vat cd mach dupe xac dinh, da dua vao cac tai lieu:
Cay ed cd ieh a Vidt Nam, tap 1, 2, Vd Van Chi va Tran Hpp (2001 - 2002); Nhdng cay thude va vi thudc Viet Nam, Dd Tat Lpi (2003); Danh luc eay tiiudc Viet Nam, Vien Dupe Lieu (2016) ddng thdi phdng van nhanh Ban quan ly, nhan vien, thay thude thude Phdng kham Y hoc cd hnyln trong Khu di tich va cdng dong ngudi dan xung quanh, da thdng ke dugx:
10 nhdm cong dung, k i t qua dupe tiinh bay trong hinh 6.
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Hinh 6. Gid tri sii dung cua thuc vgt cd mach d Khu di tich Nguyin Sinh Sac Sd Heu tir hinh 6 cho thay:
- Nhdm cay lam cinh chilm ly le cao nhat vdi chii yeu cae loai cay thudc eae hp: Ciic (Asteraceae), Tnie dao (Apocynaceae), Bdng (Malvaceae), Siing (Nymphaeaceae), Sen (Nelumbonaceae), Hoa gidy (Nyctaginaceae), Hoa hdng (Rosaceae), Dau (Fabaceae), Cd phe (Rubiaceae), Dau tdm (Moraceae), Cam (Rutaceae), Cd roi ngua (Verbenaceae), Khoai lang (Convolvulaceae), Ray (Araceae), Thude bdng (Crassulaceae), Bang (Combretaceae), Bdng lang (Lythraceae), Rau ram (Polygonaceae)...
- Nhdm cay lim thudc xIp thu hai, gdm nhung lodi cay thudc duoc trong trong vudn thudc Nam phuc vu cho Phdng khdm chiia benh Y hoc co truyin trong lang Hda An xua va mgc tu nhien khdp noi thuoc Khu di tich thude eac hp Hoa moi (Lamiaceae), Cue (Asteraceae), 0 rd (Acanthaceae), Thau dau (Euphorbiaceae), Bau bi (Cucurbitaceae), Cd phe (Rubiaceae), Cd roi ngua (Verbenaceae), Dau (Fabaceae), Bdng (Malvaceae), Nhan sam (Arahaeeae), Hd tieu (Piperaceae), Gai (Urticaceae), Lae tien (Passifloraceae), Ma de (Plantaginaceae), Gimg (Zingiberaeeae), Thai lai (Commelinaeeae), Hda thao (Poaceae)...
- Nhdm cay an diroc xep thii ba vdi nhilu cay lam rau [rau din {Amaranthus hvidus L.), rau ma {Centella asiatica (L.) Urb.), rau deu {Altemanthera sessihs (L.) A DC), rau trai {Commehna communis L), rau mudng {Ipomoea aquatica Forsk.), thudc gioi {Poujoljia Jeylanica (L) Benn.), dau rdng {Psophocarpus tetiragonolobus(L.) DC), nhan long {Passidora foetida L.), cang cua {Peperomia pellucida (L.) Kunth)...] va lay qua [dira {Cocos nucifera L), xoai {Mangifera indica L), mang cdu xiem {Annona muricata L ) , binh bat {Annona glabra L ) , vii siia {Chrysophyllum cainino L), budi {Citms grandis (L.) Osbeck), man {Syzygium samarangense (Blume) Merr. et Perry), ca na {Elaeoearpus hygrophilus Kurz.), mit {Artocarpus heterophylius Lamk.), mit td nir {Artocarpus /ofe^er(Thunb.) Merr.), oi {Psidium guajava L), tram {Syzygium cuminh (L.) Skeels)...]. Cac nhdm cay cdn lai chilm ty le khdng eao.
Dae biet cd 149 loai cd tii hai cdng dung trd len, dd Id cde loai cay vira lam thude vira lam rau an (tia td, nhan Idng, Id lot, diep cd, thuoc gidi, rau tan, rau ma, rau mudng, rau trai...); cac loai cay vira cho qua vira lam thudc (di, vu sira, xoai, budi, ca na, binh bat, mdng cdu xiem...); nhimg loai cay vira an duoc vira 1dm thudc vira lam phdn xanh, cai tao dat nhu cde eay hp dau (Fabaceae)...
Trong sd dd ghi nhan dupe 5 loai cay ed ddc vm 1 loai mpc hoang khdp noi [Ngai {Ficus hispida L f.) ] va 4 loai dupe trdng lam eanh [Tnic dao {Nenum oleander L), Thong thien {Thevetia peruviana (Pers.) K. Shum.), Huynh anh {Allamanda eatbartica L.), Ddu lai sen hay Ngd ddng {fadopha podagrica Hool)] edn dupe chii y loai trir hoae ednh bdo de phdng tranh nguy hiim cho mpi ngudi khi den vdi Khu di tich.
3.4.2. Gia di vd nguon gen quy hiem
STT
1 2 3 4
Bang 1. Tliuc vat co mach c
Ten loai
Rang dai (Acrostichum aureum L) Van hie (CycasrevolutaThvjAi) Hoang din (Cupressus tomlosa D. Don) Trie bach diep (Platycladus orientalls
CL.) Franco.)
luy h i t o o Khu di tich NguySn Sinh Sic
Ten ho
Pteridaceae Cycadaceae Cupressaceae
Tinh frang bao ton Nghi dmh
32/2006/
ND-CP IL^
lA
Sach Do Viet Nam 2007
CR
Sich Do lUCN
2017
^ LC LC
NT
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5 6 7 8 9 10 11 12 13 14
Miiu (CallophyUuminophyUumh.) Ca na (Elaeoearpus hygrophilus Kurz.) Dau nuoc (DipterocaipusalatusKoi^) Sao den (Hopea odorata Roxb.) T r i e (Dalbergia
cochinchinensisi Pierre) Trinh nii (Mimosa pudica L.) Rau rai (Centella asiatica (L.) Urb.) Mo cua (Alstonia scholaris'K. Br.) Mon nuoc (Colocacsia esculenta (L.) Schott)
Co raan trau (Elisme mdica (L.) Gaertn.)
Clusiaceae Elaeocarpaceae Dipterocarpaceae
Fabaceae Apiaceae Apocynaceae
Araceae Poaceae
IIA
VU
EN LR EN EN VU VU LC LC LR LC LC Chu thich:
' Nghi dinh 32/2006/ND-CP: Z4 - Nghiem cam khai thic, su dung vimuc dich thuong mai; LU - Han chd khai thic, sir dung vi muc dich thuongmal.
"SichDd VietNam (2007): CR-Rat nguy cip; EN-Nguy cap; VU - Se nguy cap.
' Sich Do LUCN (2017): EN-Nguy cap; VU- Se nguy cap, LR - It nguy cap; NT- Sip bi de doa; LC - Ltlo ngai.
Ket qua nghien cuu da ghi nhan duoc 14 loai c6 gia tri bao ton trong tong so 426 loii thuc vat cd mach o Khu di tich Nguy6n Sinh Sic, Trong do c6 3 loai hong Nghi dinh 32/2006/ND-CP (2006), 3 loii
h-ong Sich Do Viet Nam (2007) v i 13 loii ttong Sich Do Th^ gioi lUCN (2017), s6 Men dugc the hien qua bang 1.
3.5. Dinh gia thuc vit ngoai lai xim hai
Hinh 7. Mai duong (Mimosa pigri)
Hinh 8. Trim oi (Lantana camarii
Hinh 9. Co tranh (Lmperata cyUndraca)
Hmh 10. Cue xuy& chi (Wedeiia tiilobata)
5-mi^
Hinh 11. Luc binh {Eichhomia crassipei^
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Dua vao danh muc cac loai ngoai lai xam hai duoe ban hanh bdi BO Tai nguyen va Mdi trudng, Bd Ndng nghidp va Phat trien ndng thdn (2013), da xac dinh dupe d KJiu di tich cd 5 loai thuc vat ngoai lai can chu y quan tam h6u di0t dl phdng tru nguy eo xam hai cac loai thuc vat khac la Mai duong {Mimosa pigra L.), Tram 61 {Lantana camara L.), Cd tranh {lmperata cyhndraea (L.) ?• Beauv.), Ciic xuyIn chi {yVGdeha trilobata (L.) Hitch) va Luc binh {Fichhornia crassipes (Mart.) Solms). Trong dd 3 loai Mai duong. Tram di va Cd tranh dupe xdp vao danh muc nhiing loai thuc vat ngoai lai xdm hai cd quy md lon.
Hien cac loai ngoai lai nay dang sinh trudng rat nhanh d Khu di tich, trong do cay Lue binh phat triln day dae d mdt vai ao muong, Mai duong, Co tranh mpc lan rat nhanh d nhung he sinh thai tu nhien trong khudn vien lang Hda An xua thudc Khu di tich ndy.
Ben canh dd, 2 loai Ciic xuyen chi va Tram 61 hidn dang duoe trong lam eanh d noi day, cac loai nay thich nghi vdi mpi mdi trudng sdng, phat triln rat nhanh ddng thdi gdy can trd nghiem trong den su tdi sinh tu nhien eua mdt sd lodi thuc vat khac nen can phai cdn nhdc cd dimg lam cdy trang tri hay la didt trir chiing.
4. KET LUAIU VADE XUAT
Khu di tich Nguyin Sinh Sac rat da dang ve he thuc vat cd mach, cd gia tri sinh thai quan trpng mang y nghla khoa hoc va thue tiln cao cua thanh phd Cao Lanh, tinh Dong Thap. Hd thue vat noi day thudc 5 nhdm dang than chinh vdi 426 loai thuc vat cd mach, 295 chi, 107 ho, 66 bd, 5 Idp va 3 nganh, trong dd cd 204 loai cay lam eanh, 191 loai cay lam thudc, 87 loai cdy an duoc, 42 loai cay cho gd, 38 loai cay lam thiie an gia sue, 35 loai cay lam phan xanh, cai tao dat, 29 loai cay cho tinh ddu, 19 loai cay lam do thu edng my nghe, 14 loai cay cho soi, 8 loai eay cho dau beo va 5 loai cay cd ddc.
Ben canh tinh da dang ve phan loai, gia ti-i su dung va dang than, thuc vat cd mach noi day cdn cd gia tri bao tdn cao vdi 3 loai trong Saeh Dd Viet Nam (2007), 13 loai trong Saeh Dd T h i gidi lUCN (2017) va 3 loai ti-ong Nghi dinh 32/2006/ND-CP (2006).
Dong thdi, nghien cim eung ghi nhan dupe 5 loai thuc vat ngoai lai, trong dd cd 3 loai dupe xIp vao
danh muc nhung loai thuc vat ngoai lai xam hai ed quy md Idn va 2 loai thuc vat cd nguy co xam hai.
De bao tdn da dang sinh hoe va phdt triln ben vtmg Khu di tich Nguyin Sinh Sdc, da ed mdt so de xuat din edc cap quan ly Khu di tich nhu sau:
- Can uu tien bao ve va nhdn gidng 14 lodi thuc vat cd gia tri bao tdn.
- Can chii y tidu diet, phdng trir 5 loai cay ngoai lai xam hai, 1 loai eay ky smh va 5 lodi eay cd ddc trong hd smh thai thuc vdt noi day.
TAI UEU THAM KHAO
1. Bd Khoa hpe va Cdng nghe, Vien Khoa hpc va Cdng nghe Viet Nam (2007). Sich do Viet Nam.
Phan II: Thuc vat. NXB Khoa hpc Tu nhien va Cdng nghe.
2. Bd Tai nguyen va Mdi trudng, Bd Ndng nghigp va Phat triln ndng thdn (2013). Thdng tu lidn tich sd 27/2013/TTLT-BTNMT-BNNPTNT ngay 26 thang 9 nam 2013 vl viec quy dinh tieu chi xdc dmh loai ngoai lai xam hai va ban hanh danh muc loai ngoai lai xam hai.
3. BrummittR. K. (1992). Vascular Plant famihes and genera. Royal Botanic Gardens, Kew.
4. Vo Van Chi, Trdn Hpp (2001 - 2002). Cay co co ich a Vidt Nam. Tap 1, 2. NXB Giao due.
5. Vd Van Chi (2003 - 2004). Td dien tiiuc vat thdng dung. Tap 1, 2. NXB Khoa hpcva Ky thuat.
6. Vd Van Chi (2007). Sich ti-a cdu ten cay co VietNam. NXB Giao due.
7. Chinh phu Viet Nam (2006). Nghi dinh 32/2006/ND-CP. Danh muc thuc vdt rimg, ddng vdt rimg nguy cap, quy hiem. Ha Ndi.
8. Pham Hoang Hd (1999 - 2000). Cay cd Viet Nam. Quyin 1, 2, 3. NXB Tre, TP. Hd Chi Mmh.
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100 NONG NGHIEP VA PHAT TRIEN NONG THON - KY 1 - THANG 3/2019
KHOA HQC CONG NGHE
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Nguyen Sinh Sac. ^^ Website: http://ditichnguyensinhsac.vn/
DIVERSITY OF VASCULAR PLANT IN NGUYEN SINH SAC RELIC IN CAO LANH CITY, DONG THAP PROVINCE
Pham Tlii Thanh Mai^
'Dong Thap University Summary
The vascular plant in Nguyen Smh Sac Relic in Cao Lanh City, Dong Thap Province is diversity with 426 plants species belonging to 295 genera, 107 families, 66 orders and 5 classes in 3 divisions: Polypodiophyta, Pinophyta and Magnoliophyta. Among these, Magnohophyta are the most diversified and dominant with 408 species and Magnoliopsida is 304 species. The flora is diverse and varied. Value used of vascular plants have been 10 main groups, among these have 204 species of ornamental plants, 191 species of medicinal plants and 87 species of edible plants. The flora has 5 main types of trees: woody plants, herbs, shrubs, vines and parasitic plants in which herbaceous plants dominate with 205 species. In addition, the flora has 5 invasive alien plant species: Mimosa pigra L„ Lantana camara L., lmperata cyhndraea (L) P. Beauv., Wedeba trilobata 0^.) Hitch and Eichbomia crassipes (Mart.) Solms. A total of 14 high conservation value plant species are threatened at national and international level. Of which, 3 species are listed in Vietnam Red Data Book (2007), 13 species belong to the lUCN Red List (2017) and 3 species m the Decree No 32/2006 of Vietnamese Government. This research plays an important role in the management, biodiversity conservation and sustainable development in Nguyen Sinh Sac relic.
Keywords: Biodiversity, Dong Thap province, Nguyen Sinh Sac relic, vascular plant Ngudi phan bi|n: PGS.TS. Hodng Van Sdm
Ngdy nhdn bai: 18/7/2018 Ngay thdng qua phan bidn: 20/8/2018 Ngdy duyet ddng: 27/8/2018
NONG NGHIEP VA PHAT TRIEN NONG THON - KY 1 - THANG 3/2019
