KHOA HQC C t N » MOH<

IMGHlClXI C U U SO B 0 TINH D A DANE THUC V A T A KHU BAO TON THltlM NHIEN HA IMG K IA - P A C d .

TllMH H O A BilMHPhung V4n Phfe1, Trinh Lfe Nguyfen1

t 6m t AtKhu Bdo tdn Thi6n nhifen Hang Kia - Pi Cd, tinh H6a Binh li khu vyc c6 tinh da d^ng sinh hpc cao, vdi 1.105 loii thuc vit thudc 610 chi va 163 hp cua 6 nginh thyc vit bic cao c6 m?ch li Khuyfet l i thdng. Thdng dit, C6 thip but, Duong xi, H?t trdn vi Hat kin. Trong d6, nginh H?t kin (Angiospermae) l i uu thfe n h it, v6i 1.032 loii, 566 chi vi 134 ho; tifep theo li nginh Duong xi (Polypodiophyta) vdi 54 lo ii, 30 chi v i 19 ho; nginh H?t bin (Gymnospermae) vdi 12 loii, 10 chi vi 6 ho; nginh Thdng dit (Lycopodiophyta) vdi 5 lo ii, 2 chi, 2 ho; cudi cung li nginh Cd thip but (Equisetophyta) vi Khuydt li thdng (Psilotophyta) vdi 1 lo ii, 1 chi vi 1 ho- Trong nginh H?t kin (Angiospermae) thi ldp Hai li mim (Dicotyledoneae) chidm uu thfe. T y trpng giua ldp Hai li mim (Dicotyledoneae) vi Mdt li mim (Monocotyledoneae) lin lupt l i 5,70 ddi vdi sd lo ii;5,74 ddi vdi sd chi vi 6,88 ddi vdi sd ho. Mudi ho da d?ng nhit cd 328 loii, chidm 29,68% v i mudi chi da d?mg nhit cd 105 loii, chidm 9,50% tdng sd loii cua Khu bao tdn. 6 Khu Bio tdn Thifen nhifen Hang Kia - P i Cd cd mit cua tit ci cic kidu d<uig sdng thyc vit khic nhau. Trong dd, sijr uu thd thudc vfe nhdm d y cd chdi trfen dit (Ph) vdi 956 loii, chidm 86,52% tdng sd loii. Ngoii ra, di xic dinh dupe d Khu b io tdn cd 721 loii ciy cd ich, chidm 65,25% tdng sd loii da bidt, dugc xdp vio 15 nhdm cdng dyng khic nhau.TVr khoi.' Da dpng thyc v$t, Hang Kia - Pi Cd, khu bao tdn thidn nhidn.

l.BATVANB*Khu Bdo ton Thifen nhifen Hang Kia - Pi C6 nim

trfen dia bin hinh chinh cic xi Hang Kia, Pi C6, Tin Son, Bao La, Phidng Vd vi Cun Pheo cua huyfen Mai Chiu, tinh Hoi Binh, giip ranh vdi tinh Son La, dr vj tri tir 20°40’ ddn 20°45’ vi dd bic vi tu 104°51’ ddn 105°00’ kinh dp ddng, c6 tdng difen tich tu nhifen li 5.257,77 ha [1,16]. Vd du true dja mao, Khu bao tdn li nhung thung lung dit thip xen lin nhung dinh nui di vdi bj bio mdn, vdi dinh cao nhat tdi 1.536 m dr phia Tiy Bic cua khu vuc, dd cao giam dan vd phia Ddng. Hiu hdt Khu bao tdn dr dp cao trfen 700 m, li khu cd tinh da dang sinh hpc quan trpng, dupe die trung bdi kidu rung kin li rpng thudng xanh i nhifet ddi nui thip, trong dd kidu phu rung trfen nui da vdi chidm difen tich ldn nhit, cd y nghla nhit ddi vdi cdng tic bao tdn hfe sinh thii rung trfen nui di vdi, bio tdn ngudn gien ddng thuc vit nguy cip, phuc vy nghifen cuu khoa hpc, phdng hp vi bao vfe mdi trudng sinh thii cinh quan trong khu vyc.

Trong bii bio niy, chung tdi gidi thifeu mdt sd kdt qui nghifen cuu so bd tinh da dang thuc vit d Khu Bio tdn Thifen nhifen Hang Kia - Pi Cd, tinh Hda Binh lim co sd cho cdng tic quin ly, bao tdn da dang sinh hpc vi su dung bdn vung ngudn tii nguyfen thifen nhifen cd trong khu vyc.

1 Trudng D?i hpc Lim nghidp2 Trung tim Con ngudi vi Thien nhien

2. PHUONG PHJtPNGHtfN CUU2.1. Ddi tupng vi thdi gian nghifen cuuDdi tupng nghifen cuu li hfe thyc vit bic cao cd

mach d Khu Bio tdn Thifen nhifen Hang Kia - Pi Cd, tinh Hda Binh. Thdi gian nghifen cuu trong nim 2009,2010 vi 2012.

22. Phuong phip nghifen cuu- Thu thip sd Ii$u: Cic phuong phip nghifen cuu

dd thu thip sd lifeu dupe tridn khai trong bio cio niy gdm didu tra thuc vit trfen tuydn vi 6 tifeu chuin, phdng vin nhin din dupe thuc hifen theo cic tii lifeu [U, 13].

-Xuly s6 liiu: Tfen khoa hpc cic loii ciy dupe xic djnh bing phuong phip hinh thii so sinh theo cic tai lifeu [2, 6,15,18]. Danh lyc thyc vit dupe xiy dung theo cic tii lifeu [3, 9]. Phin tich da d?ng thyc vit dupe thuc hifen theo Nguydn Nghla Thin (1997) [13]. Gii trj su dung tii nguyfen thyc vit dupe xic djnh theo cic tii lifeu [4, 5, 7, 8, 10, 17] vi xdp vio nhdm nhdm cdng dyng theo cic tii lifeu [12,141.

L K fr QUA NGMftl CUU3.1. Da d?ng phin lo?i hfe thyc vit 6 khu vyc

nghifen cuu3.1.1. Da dpngtaxon b c nganhHfe thyc vit d Khu Bio tdn Thifen nhifen Hang

Kia - Pi Cd khi phong phu vi da dang, bao gdm 1.105 loii thyc vit thudc 610 chi. 163 hp cua 6 nginh thyc vit bic cao cd m$ch (Bing 1). Trong dd, nginh H?t kin (Angiospermae) chifem uu thd

226 NdNG NGHlfP VA PHAT TR|£n NdNG TH 6 N -K Y 1 + 2 - THANG 2/2014

KHOA HQC C6NO NOHl

nhat, co 1.032 loai (93,39%), 566 chi (92,79%) vi 134 nganh Thong dit (Lycopodiophyta) c6 5 loaihp (82,21%); ttfp theo li nginh Duong xi (0,45%), 2 chi (0,33%), 2 hp (1,23%); cudi cung la(Polypodiophyta) co 54 loii (4,89%), 30 chi (4,92%) nganh Co thip but (Equisetophyta) vi Khuydt liva 19 hp (11,66%); nginh Hat trin (Gymnospermae) thong (Psilotophyta) d£u c6 1 loii (0,09%), 1 chico 12 loai (1,09%), 10 chi (1,64%) vi 6 hp (3,68%); (0,16%) vi 1 hp (0,61%).

ingl.1 H' gj. 1 1 I c vit cua Khu Bio tdn Thten nhien Hang Kia - Pi C

TT Nganh vi Ldp Hp Chi LoiiSohp TVle(%) Sd chi Ty le (%) Soloii THe(%)

1 Psilotophyta 1 0,61 1 0,16 1 0,092 Lycopodioplv/ta 2 1,23 2 0,33 5 0,453 Equisetoph’ la 1 0,61 1 0,16 1 0,094 Polypodiophyta 19 11,66 30 4,92 54 4,895 Gymnospermae 6 3,68 10 1,64 12 1,096 Angiospermae 134 82,21 566 92,79 1.032 93,39

Dicotyledoneae 114 69,94 482 79,02 901 81,54Monocotyledoneae 20 12,27 84 13,77 131 11,86

Tdng sd 163 100 610 100 1.105 100Tuy nhidn, tinh chit uu thd cua nginh Hat kin (87,31%), 482 chi (85,16%), 114 hp (85,07%). Ty

la khac nhau giua lop Hai li mim (Dicotyledoneae) trpng giua ldp Hai li mim vi 16p MOt li mim linva Mot li mam (Monocotyledoneae) (Bing 2). lupt li 5,70 doi voi so loii; 5,74 ddi vdi sd chi vi 6,88Trong do lop Hai la mim uu thd horn, c6 901 loii doi vdi so hp.

Ldp HP Zhi joiiSohp THe(%) Sochi T/ie(%) Sdloii THe(%)

Dicotyledoneae (A) 114 85,07 482 85,16 901 87,31Monocotyledoneae (B) 20 14,93 84 14,84 131 12,69

Tong so 134 100 566 100 1.032 100Ty trpng A/B 5,70 5,74 6,88

Tinh da dang thuc vat cua khu he c6n dupe thd hien qua cic chi so hp, chi so chi, chi so chi/hp. Cic chi sd nay dupe tinh trung binh tren toin khu h£. Ndu cac chi sd nay cing cao, nghla li ty 1$ giua sd loii trong mpt khu he thuc vit vdi sd hp vi sd chi cang cao, thi khu he thyc vat do cing da dang. Tdng cac chi sd niy cing cao thi muc dO da dang cua khu h cing ldn. Cic chi sd hp, chi sd chi, chi sd chi/hp cua khu h€ thuc vat Hang Kia - Pi Cd lan lupt li 6,78,1,81 vi 3,74. Tdng cic chi sd d6 li 12,33. Nhu viy khu he thuc vit Hang Kia - Pi Cd li khi da dang.

3.1.2. Da dpng ho thyc v$tMudi hp da d?ng nhat cua Khu bio tdn theo thu

thy giam dan li Thau diu (Euphorbiaceae) cd 32 chi (5,25%), 63 loii (5,70%); Cue (Asteraceae) cd 27 chi (4,43%), 38 loii (3,44%); Ci phfc (Rubiaceae) c6 16 chi (2,62%), 36 loii (3,26%); Diu tim (Moraceae) c6 7 chi (1,15%), 36 loii (3,26%); Diu (Fabaceae) c6 18 chi (2,95%), 34 loii (3,08%); Long nflo (Lauraceae) cd 12 chi (1,97%), 33 loii (2,9990; Lan (Orchidaceae) c6 16

chi (2,62%), 23 loii (2,08%); Don nem (Myrsinaceae) cd 4 chi (0,66%), 22 loii (1,9990; Hp Hoa mdi (Lamiaceae) cd 15 chi (2,46%), 22 loii (1,99%); vi cudi cung li Hda thao (Poaceae) cd 16 chi (3,41%), 17 loii (2,00%). Mudi hp niy chidm 6,13% tdng sd hp, nhung cd tdi 168 chi chidm 27,54% tdng sd chi vi 328 loii chidm 29,68% tdng sd loii. Mudi hp niy hiu hdt cung li nhung hp rit da dang cua he thuc vit Viet Nam.

3.1.3. Da dang chi thuc vStMudi chi da dang nhit chidm 1,64% tdng sd chi,

nhung cd tdi 105 loii chidm 9,50% tdng sd loii cua Khu bao tdn. Dd li cic chi Ficus thudc hp Diu tim (Moraceae) cd 27 loii chidm 2,24%; chi Ardisia thudc hp Don nem (Myrsinaceae) cd 14 loii chidm 1,27%; chi Polygonum thupc hp Rau rim (Polygonaceae) cd 13 loii chidm 1,18%; chi Solanum thudc hp Ci (Solanaceae) cd 9 loii, chidm 0,81%; cic chi cdn l?i Elaeocarpus thudc hp Cdm (Elaeocarpaceae), Syzygium thudc hp Sim (Myrtaceae), Archidendron thupc hp Trinh nur (Mimosaceae), Diospyros thudc

N6NG NGHlfP VA PHAT TRll-N N$NG THON - KY 1 ♦ 2 - THANG 2/2014 227

KHOA HQC C6NO NGH|

hQ Thj (Ebenaceae), Cinnamomum va Litsea thuoc hQ Long n5o (Lauraceae) ddu co 7 loai chiefm 0,63%.

3.2. Da H a n g vd dang sdng cua hd thuc v$t Khu Bio tdn Thi6n nhien Hang Kia - Pi Cd

Trong so 1.105 loai cay phat hien duoc d khu vuc nghien cuu, chung toi da xac dinh dugc dang song cho 1.087 loai va lap pho dang song cho cac loai nay. Khu he thuc vat Hang Kia - Pa Co co mat cua tat ca cdc nhom dang song khac nhau voi ty le va cau true khac nhau.

Nh6m cay c6 choi tren dat (Ph) co 956 loai, chidm 86,52% tong so loai trong toan he thuc vat va chidm 87,95% vd phd dang song; tidp ddn la nhom cay c6 choi sat dat (Ch) co 23 loai, chiem 2,12% vd pho dang song; nhom cay co choi nua an (H) co 6 loai, chidm 0,55% vd pho dang song; nhom cay choi an (Cr) co 58 loai, chie'm 5,34% vd pho dang song; cuoi cung la nh6m cay mot nam (Th) co 44 loai, chiem 4,05% vd phd dang sdng. Phd dang sdng cua cac loai thuc vat da bidt cua he thuc vat Hang Kia - Pa Co la:

SB = 87,95 Ph + 2,12 Ch + 0,55 H + 5,34 Cr + 4,05 ThTrong do nhdm cay cd choi tren dat (Ph) cd phd

dang sdng la:Ph = 30,63 MM + 15 Mi + 15,36 Na + 8,83 Hp +

15,82 Lp +1,93 Ep + 0,37 PpTrong dd: MM - cay choi tren ldn va vua; Mi -

cay choi tren nhd; Na - cay lim cd choi tren dat; Hp - cay choi tren than thao; Lp - cay day leo; Ep - cay bi sinh; Pp - cay ky sinh.

3.3. Da dang vd gia trj sir dimg tai nguyen thuc vat rung cua Khu Bio tdn Thidn nhidn Hang Kia - Pa Cd

6 Khu Bao tdn cd 721 loai cay cd ich, chidm 65,25% tdng sd loai da bidt, dupe xep vao 15 nhdm cdng dung khac nhau:

- Nhdm cdy cho gd (Go): cd 302 loai, chidm 27,33% tdng sd loai cua khu vuc nghien cuu. Mot sd loai cay gd cd gia tri trong khu vuc nhu: Bach xanh Calocedrus macrolepis, Pa mu Fokienia hodginsii, Thdng pa cd Pinus kwangtungensis, Kim giao nui da Nageia fleuryi, Thdng nang Dacrycaipus imbricatus, Thdng tre la dai Podocarpus neriifolius, Thdng tre la ngan Podocarpus pilgeri, Nghidn Excentrodendron tonkinense, Trai ly Garcinia fagraeoides, Phay simg Duabanga grandiflora, Sang Pometia pinnata, Chd

nhai Anogeissus acuminata, Ca di Castanopsis indica, Vang trung Endosperm uni chinense\ GQi ndp Agiaia spectabilis, Com Elaeocarpus, spp., Trudng mat Amesiodendron chinense. Tram Canarium spp., Chd xanh Terminalia myriocarpa, Sau Dracontomehn duperreanum, Nhoi Bischofia javanica, Thich Acer spp., Chd dai Annamocarya sinensis, Nhan rimg Dimocarpus fumatus, Xoan nhir Choerospondias axillaris, Lim xet Peltophorum dasyrrhachis,....

- Nhdm cay lam thudc CTh): cd 239 loai, chidm 21,63% tdng sd loai cua toan khu vuc. Mdt sd loai diy thudc dang cd d khu vuc nhu: Hoang tinh cach Disporopsis longifolia, Dd ngpn Cratoxylum pruniflonun, Cd xudc Achyranthes aspera. Bay 14 mot hoa Paris chinensis, Cdt toai bd Drynaria fortunei, Cau tich Cibotium barometz, Bd bdo den Goniothalamus vietnamensis, Ha thu 6 tring Streptocaulon juventas, Ba gac vdng Rauvolfia verticillata, Khoi tia Ardisia silvestris, Bidn hda nui cao Asarum ba]ansae, Ngu gia bi gai Acanthopanax trifoliatus, Giao cd lam Gynostemma pentaphyllum, Thong pa cd Pinus kwangtungensis, Kim giao nui da Nageia fleuryi, Thdng dd bac Taxus chinensis, Xoan nhir Choerospondias axillaris, G?o dd Bombax malabaricum, Huydt dang Sargentodoxa cuneata, Che vang Jasminum subtriplinerve, Dang sam Codonopsis javanica, Bach bd temona tubervsa, Gdi hac Leea rubra, Nuc nac Oroxylum indicum, Cu ddm Stephania dielsiana, Mia dd Costus tonkinensis,....

- Nhdm cay dupe dung lam cinh vi cay bdngmat (Ca): cd 205 loai, chidm 18,55% tdng sd k>ai. Mdt sd loai dupe dimg lam cay canh, cay bdng mat nhu: Mudng rang rang Adenanthera microsperma, Bach xanh Calocedrus macrolepis, NhOi Bischofia javanica, Mdng trau Angiopteris polytheca, Thidn tu£ Cycas collina, Day hoa de Desmos chinensis, Kim giao nui da Nageia fleuryi, Lim x?t Peltophorum dasyrrhachis, Ruoi Streblus asper, Giau da xoan Allospondias lakonensis, Sau Dracontomekm duperreanum, Vang anh Saraca dives, Lat hoa Chukrasia tabularis, Chd chi Parashorea chinensis, Thu hai dudng Begonia spp., Than mat Milletha ichthyochtona, Miu don Ixora cocdnea, Dd quydn Rhododendron sp., Thdng pa cd Pinus kwangtungensis, Den 3 la Vitex sp., LQc vung Baningtonia sp., Song b£ Paraboea ruAssceos^...

- Nhdm ciy cho rau an (Ra): cd 63 loii, chi&n 5,70% so vdi tdng sd loii. Mdt sd loai cho rau an tidu

228 NONG NGHlfP VA PHAT TRIEN N6NG THdN-KY1 + 2 - THANG 2/2014

KHOA HQC CONG NGHI

bi£u nhir Rau khuc Gnaphalium polycaulon, Rau sdng Melientha suavis, Chan chim Schefflera heptaphyUa, Rau ddn Diplazium escuJen turn, Rau ma Centella asiatica, Hung qud Ocimum basilicum, Ngai cuu Artemisia vulgaris, Rau chua Fagopyrum dibotrys, Xuong xdng Blumea lanceolaria, Kinh gioi Elsholtzia ciliata, Giang Ampelocalamus patellaris, Rau ddn Amaranthus spp., Rau bo khai Erythropalum scandens, TAm bop Physalis angulata, Ld lot Piper lolot, Bdu dat Gynura ovalis,....

- Nh6m cdy cho qui vd hat dn dupe (Qu): co 55 lodi, chidm 4,98% so vdi tong so loai. Didn hinh nhir Ddu da dat Baccaurea ramWora, Sdu Dracontomelon duperreanum, Khd Averrhoa carambola, Tram Canarium spp., Sim Rhodomyrtus tomentosa, Ddu gia xoan AUospondias lakonensis, Buoi bung Acronychia peduncunata, Me Tamarindus indica, Nh6t Elaeagnus latifolia, Roi Syzygium jambos, Vd Ficus auriculata, Me rung Phyllanthus emblica, Nhdi Bischofia javanica, Gao Nauclea orientalis, Bung bdng Arenga pinnata, Cq Livistona saribus, Xoan nhu Choerospondias axillaris,....

- Nh6m cdy cho nhya (Nh): c6 66 lodi, chi£m 5,97% tong so loai trong Khu Bao ton. Mpt so lodi cho nhira tidu bidu nhir Mau chd ld to HorsGeldia amygdalina, Bua Garcinia spp., Son ta Toxicodendron succedanea, Son huydt Melanorrhoea laccifera, Tram Canarium spp., Thimg muc Wrighda spp., Sua Alstonia scholaris, Bo dd Styrax tonkinensis, Cong sua bdc bp Eberhardtia tonkinensis, Sau sau Liquidambar formosana, Dau me Jatropha curcas, Thdnh nganh Cratoxylum cochinchinense, Do ngpn Cratoxylum pruniflorum, cdc lodi Da, Sung, Si Ficus spp....

- Nhdm cdy cho tinh ddu CTd): co 87 loai, chiem 7,87% tdng sd lodi. Mot sd lodi cho tinh ddu co trong Khu Bao tdn nhir Bach xanh Calocedrus macrolepis, Bdi ldi Litsea spp., Thdng pd cd Pinus kwangtungensis, Hoa de thom Desmos chinensis, Trdm Canarium spp., Re Cinnamomum spp., Hoa trung gd Magnolia coco, Bo dd Styrax tonkinensis, Huong nhu Ocimum spp., Kinh gidi Elsholtzia spp., Xen gai Zanthoxylum avicenniae, Sau sau Liquidambar formosana, Sd Cymbopogon citratus, Ba g?c Evodia lepta,....

- Nhdm cdy cho spi (So): cd 106 lodi, chidm 9,59% tdng sd loai. Mdt s6 lodi cho spi cd trong Khu Bao tdn nhir Sui Antiaris toxicaria, Dudng

Broussonetia papyrifera, Hu day Trema orientalis, Nidt gid Wikstroemia indica, Biing bdng Arenga pinnata, Thao ken Helicteres spp.. Bum bup Mallotus barbatus, Song mdy Calamus spp., Ba soi Mallotus paniculatus, Ldng mang Pterospermum heterophyllum, Me cd ke Microcos paniculata, Cp Livistona saribus, Dung dinh Caryota mitis, Ba bet trdng Mallotus apelta, Gdm Gnetum montanum, Giang Ampelocalamus patellaris, Sang nhung Sterculia lanceolata, Dd giay Rhamnoneuron balansae, Coi Care*spp., Lui Rhapis spp......

- Nhdm cdy cho tanin (Tn): cd 38 loai, chidm 3,44% tdng sd lodi. Mpt sd loai cho tanin cd trong Khu Bao tdn nhir Xoan nhir Choerospondias axillaris, Mudng rang rdng Adenanthera microsperma, Mudi Rhus chinensis, Son ta Toxicodendron succedaneum, Budi bung Acronychia peduncunata, Sim Rhodomyrtus tomentosa, Cu ndu Dioscorea cirrhosa, Dudng Broussonetia papyrifera, Soi trdng Sapium sebiferum, Hu day Trema orientalis, Mdn dia Archidendron clypearia, Me rung Phyllanthus emblica, De gai Castanopsis spp., Mudng den Senna siamea, Chd nhai Anogeissus acuminata, Cheo Engelhardia roxburgiana, Hd nu Ixonanthes reticulata,....

- Nhdm cdy cho tinh bdt vd ldm thyc phdm (Th): cd 21 lodi, chidm 1,90% tdng sd lodi. Mpt sd lodi cho bot diln hinh nhir Day gdm Gnetum montanum, Cp Livistona saribus. Bung bang Arenga pinnata, Thd phuc linh Smilax glabra, De gai Castanopsis spp., Cau tich Cibotium barometz, Cu mdi Dioscorea persimilis,....

- Nhdm cdy cho mdu nhudm (Ma): cd 22 lodi, chidm 1,99% tdng sd loai. Didn hinh ld cdc lodi: Nuc nac Oroxylum indicum, Cdnh kidn Mallotus philippinensis, Mudi Rhus chinensis, Coi Pterocaria stenoptera, Lim xet Peltophorum dasyrrhachis, Cu ndu Dioscorea cirrhosa, Chdm tia Strobilanthes pateriformis, Hoang ddng Fibraurea tinctoria, Mudng rdng rang Adenanthera microsperma, Ld cdm Peristrophe bivalvis,....

- Nhdm cdy cho ddu bdo (Db): cd 52 lodi, chidm 4,71% tdng sd lodi trong khu vuc. Mpt sd lodi cho ddu beo didn hinh nhir Mudi Rhus chinensis, Trau Vemicia mon tana, Ddu me Jatropha curcas, Thau ddu Ricinus communis, Trdm trdng Canarium album, Chd ddi Annamocarya sinensis, Bua Garcinia oblongifolia, Sd Camellia oleifera, Dau hdi Hodgsonia

N6NG NGHlfP VA PHAT TRiI n NdNG THON-K Y 1 + 2 - THANG 2/2014 229

KHOA HQC C6NO NOHl

macrocarpa, Sang nhung Sterculia lanceolata, Dpc Gacinia multiflora, Soi Sapium spp., Cong sua bac bo Eberhardtia tonkinensis, Cp Livistona saribus,....

- CAy cho nguyen li£u dan lit vi lpp nhi (Nl): co 24 loii, chilm 2,17% so voi tong so loai co trong Khu Bao ton. Diln hinh nhu: Dung dinh Caryota mitis, Cp Livistona saribus, Co tranh Imperata cylindrica, Guot Dicranopteris linearis, Nua Neohouzeaua dullooa, Chuoi rung Musa spp., Song mat Calamus platyacanthus, Bung b&ng Arenga pinnata, La dong Phrynium spp....

- Ciy lim dd udng vi gia vj (Nu): co 57 loii, chilm 5,16% tong so loii. Diln hinh li cic loii: Che ding Ilex kaushue, Rau mi Centella asiatica, Do ngpn Cratoxylum pruniflorum, Rau r4u Vemonia cumingiana, Kinh gidi Elsholtzia ciliata, Hung qui Ocimum basilicum, Vdi rung Cleistocalyx operculatus, Chi ving Jasminum subtiiplinerve, Thio quylt minh Senna tora, Mac mit Clausena excavata, Huylt ding Sargentodoxa cuneata, Chi diy Ampelopsis cantoniensis, Nhin trin Adenosma caeruleum,....

- Ciy c6 chit dQc (Do): c6 16 loii, chilm 1,45% tdng sd loii. Diln hinh li cic loii: Li ngon Gelsemium elegans, Son ta Toxicodendron succedanea, Son huylt Melanorrhoea laccifera, Diy mit Denis elliptica, Thin mit Millettia ichthyochtona, Xoan ta Melia azedarach, Sui Antiaris toxicaria,....

I K f r L U M I

H| thuc v$t or Khu Bao tdn Thien nhien Hang Kia - Pi Cd budc diu di ghi nhin cd 1.105 loii thuc vit thudc 610 chi, 163 hp cua 6 nginh thuc vat bic cao cd mach. Trong dd, nginh Hat kin (Angiospermae) chilm uu thi nhat vdi 1.032 loii, 566 chi vi 134 hp; tilp theo li nginh Duong xi (Polypodiophyta) cd 54 loii, 30 chi va 19 hp; nginh H?t trin (Gymnospermae) cd 12 loii, 10 chi vi 6 hp; nginh Thdng dit (Lycopodiophyta) cd 5 loii, 2 chi, 2 hp; cudi cung li nginh Cd thip but (Equisetophyta) vi Khuylt li thdng (Psilotophyta) diu cd 1 loii, 1 chi v ilhp.

H| thyc vit b Khu Bio tdn Thien nhien Hang* Kia - Pi Cd cd m$t cua tit ca cic kiiu dgng sdng khic nhau. Trong dd su uu thi thudc vl nhdm ciy cd chdi tren dit (Ph), cd 956 loii chilm 86,52% tdng sd

loai trong toan he thuc vat va chilm 87. ‘ vl phd dang sdng.

Ngudn tii nguyen thuc vat d Khu Bao ton Thien nhien Hang Kia - Pi Co co 721 loii ciy co ich, chilm 65,25% tdng sd loai da bilt, co thi dupe su dung vio15 nhdm cong dung khac nhau.

T JU 14 U H U M K H A Q1. Ban Quan ly Khu Bao tdn Thien nhien Hang

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230 NONG NGHlfP VA PHAT TRi&J N6NG TH0N - KY 1 ♦ 2 - THANG 2/2014

KHOA HQC C6N0 MOHl

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PRELIMINARY STUDY ON PLANT DIVERSITY IN HANG KIA-PA CO NATURE RESERVE, HOABINH PROVINCE

Phung Van Phe, Trinh Le NguyenSummary

Hang Kia-Pa Co Nature Reserve of Hoa Binh province is an area of high biodiversity, where there are 1,105 plant species of 610 genera in 163 families belonging to 6 divisions of higher vascular plants, including: Psilototphyta, Lycopodiophyta, Equisetophyta, Polypodiophyta, Gymnospermae, and Angiospermae. Of these, the Angiospermae is dominant with 1,032 species, 566 genera and 134 families; the next Polypodiophyta with 54 species, 30 genera, 19 families; the Gymnospermae with 12 species, 10 genera, 6 families; the Lycopodiophyta with 5 species, 2 genera, 2 families; the last two Equisetophyta and Psilototphyta with 1 species, 1 genera, 1 families. In the Angiospermae, Dicotyledoneae is dominant. The ■atio of Dicotyledoneae to Monocotyledoneae is 5.70 for species, 5.74 for genera and 6.88 for families, rhere are 328 plant species in the 10 most diverse families, representing for 29.68% and 105 plant species in he 10 most diverse genera, representing for 9.50% of the total of plant species in the reserve. In the Hang fiarPa Co Nature Reserve, there is the presence of all the plant-forms, but the dominant group is the ’hanerophytes (Ph) with 956 species, accounting for 86.52% of the total of classified plant species. Bisides, here are 721 useful plant species, divided into 15 different useful groups, representing for 65.25% of the otal of plant species of the reserve, keywords: Hang Kia-Pa Co, nature reserve, plant diversity.

gudi phin bidn: TS. D6 Thi Xuy&i <lgiy nhin bii: 6/8/2013 ^giy thdng qua phin bidn: 6/9/2013 ^giy duydt ding: 13/9/2013

*l6NG NGHIEP VA PHAT TR|In N&NG TH6N-KY1 + 2 - THANG 2/2014