KHOA HOC CONG NGHE HIEIM TRAIMG CAC DAIV LOAI VOOC V A CHAIV DEI\I [Pugathrix nigripe^ TAI BAIM DAO HOiXI HEO, HLIYEIM IVIIMH H d A , TilMH KHAiVH HOA Nguyin Thi Le Quyen'''' TOMTAT Ban dao Hon Heo voi d[.]
K H O A HOC C O N G N G H E HIEIM TRAIMG CAC DAIV LOAI VOOC V A CHAIV DEI\I [Pugathrix nigripe^ T A I BAIM D A O HOiXI H E O , HLIYEIM IVIIMH H d A , TilMH K H A i V H H O A Nguyin Thi Le Quyen' TOMTAT Ban dao Hon Heo voi dien tich khoang 15000 ndm b Dong Bde tinh Khanh Hoa la khu vuc dac biet ve da dang cua loai Vpoc va chan den Ket qua nghien cuu da ghi nhan dupc hai loai linh tin'ong khu vuc la: Cu h nho ((Nycticebuspymaeu^ va Vpoc va chan den (Pygathrixnigripes) Vpoc va chan den la loai dep nhat nhiing loai linh tmong va da dup'c dua vao danh sach cac loai nguy cap cua lUCN (2009) Nghien ciru dugc tien hanh tii' thang nam 2009 toi thang nam 2010 tap trung vao kich thuoc quan the loai Vpoc va chan den b khu vuc nui Hon Heo Kich thuac quan the b day co it nhat la 105 ca the va dugc chia nhom kich thuPc ciia nhom bien dpng tir 14 toi 40 ca the Cau tnic xa hpi nhom binh thuang la don vi mot due (OMU) voi su tach-nhap dan mot each mem deo Vpoc va chan den b ban dao Hon Heo phan bd b dai hep tir dp cao 300 m toi 700 m va phan bd b ca phia cua ban dao Tren ca sa ket qua nghien ciiu da de xuat giai phap bao ton loai Vpoc va chan den b ban dao Hon Heo, huyen Ninh Hoa, tinh Khanh Hoa Tir khoa: Vooc va chan den (Pygathrix nigripes), bao tdn LOAT VAN DE Ban dao Hdn Hlo thuoc huyen Ninh Hda tinh Khdnh Hod cd dia hinh tuong ddi phirc tap; d' ddy khu he dpng vat, thuc vat da dang, phong phu cd gid tri kinh tl, khoa hgc vd dugc lieu Tuy nhien, van de tren chua dugc nghien cuu day du dac biet Id mot sd dgng vat vd thuc vat quy hilm, dd cd lodi Vogc vd chan den (Pygathrix nigripes) Vopc vd ehdn den Id mot lodi quy hiem cua Viet Nam; hien dupc phan bd d nhiiu noi (34 khu vuc toan qudc) (theo Le Minh Diic 2007) Tdc gid bd sung them mot khu vuc phdn bd ciia bdi Id ban dao Hon Heo, huyen Ninh Hod tinh Khdnh Hda vdi sd lugng tren 100 ca thi Tuy nhien nhung nghien cun ve lodi d Ninh Hod chua nhieu, dd viec ddnh gia mot each todn dien anh hudng cua cac yiu td sinh thai len sd lugng quan the cua loai Vgoc vd chan den d' Hdn Heo, Ninh Hod chua dugc dl cap din d' bat cii cong trinh nao Bdi viet neu kit qua nghien ciiu vl hien trang quan the loai Vgoc va chan den, sir phdn bd vd su tac dgng cua cdc yiu td sinh thdi len quan thi Vgoc vd chan den d Ninh Hoa Tren ca sd dd dl xuat nhung bien phdp huu hieu dl bao ve vd phdt trien lodi dpng vat quy hiem d Viet Nam dang cd nguy ca hi tieu diet II D|A DIEM, THOI GIAN VA PHUONG PHAP NGHIEN CUU Thdi gian va dia diem nghien ciiu Thdi gian nghien ciiu: Cac dac dilm sinh hpc sinh thai cua loai Vgoc va ehdn den (Pygathrix nigripes) b ban dao Hdn Heo, tinh Khdnh Hda dupc tiin hdnh tir thang nam 2009 den thdng nam 2010, dd: Tdng sd b thuc dia Id: 50 ngay; tdng sd ngdy quan sat ddi tugng: 28 ngay; tdng sd gid quan sdt ddi tugng nghien ciiu: 108 gid Phuang phdp a Phdng van: Phdng van nhdn ddn dia phuong vd nhdn vien kilm 1dm de thu nhan cac thong tin ban ddu vl cdc ldi mdn len nui, khd nang gap Vgoc so bp xac dinh cac khu phan bd cua cac dan trudc tien hanh khao sdt thuc dia Trong qud trinh phdng van da sir dung mot sd anh mau cua cdc loai dgng vat de xdc dinh tinh chinh xac cua thdng tin b Khio sat theo tuyeir Tiin hanh khao sat theo tuyln va xac dinh dugc dan Vgoc, ghi chep so lugng ca the, tudi, gioi tinh cua cac ca the cua mdi ddn bat gap Xac dinh khu vuc phan bd va viing hoat dgng cua loai bdng each xac dinh tga gap dan Vgoc qua may dinh vi toan cau (GPS) vd nhap sd lieu ghi dupc vdo ban dd c Dieu da, thu tiiap thdng tin vi cac nhan td de dpa Vpoc va chan den: De thu thdp nhimg dan lieu ve van dl da sir dung phuong phap k l thira, tham khao tai lieu kit hop vdi phdng van dan dja phuong, nhan vien kiem lam vd nhung nguai tham gia hoat dgng du lich Truang Dai hpc Vinh 80 NONG NGHIEP VA PHAT TRIEN NONG THON - KY - THANG 9/2010 KHOA HOC CONG NGHE ni KET QUA VA THAO LUAN Quan the Vgoc va chan den a ban dao Hdn Heo Can Cli vao sd lan bdt gap, quan sat va sd lugng cua ddn Vgoc va chan den, qua trinh nghien ciru, da xdc dinh dugc d khu vuc bdn ddo Hdn Heo, tinh Khdnh Hoa co khodng tren 105 ca thi (bang 1) a Sd lupng quan the Bang Sd lugng va tga dia ly ciia cac dan Vgoc va chan den tren ban dao Hdn Heo Ten dan Dan so Dan sd Dan so Dan sP Dan sd Ten dia diem Ninh PhuPc (NPI) Ninh PhuPc (NP2) Ninh Van (NV) Ninh Phu (NPH) Ninh Thuy (NT) Tpa dp trung tam khu phan bd N 12°24'10" E lOO^lS' N 12"26'20", E 109°15'50" N i2"23'io", E toggle's" N 12''25'50", E 109"14'5" N 12"28'3" E 109"14'20" b Kich thudc va cau tnic dan Hien Hdn Heo cd dan vdi khoang 105 cd thi, kich thudc ddn dao dpng tir 14 din 40 ca the Trong mdi ddn chia 1dm nhiiu nhdm nhd tir din ca the Qudn the phdn bd tir dp cao 300 m din 800 m so vdi mat nudc biin vd khdp cdc mat cua bdn dao Hdn Heo Cdc ddn dugc danh dau tir din (bdng 1) tap trung chti yiu tai cac dilm Ddc Ba Nggn Sudi Lanh Ddc Chinh, Ddc Rdng (xa Ninh Phii), Rimg Cat, Ginh Nhay (xa Ninh Phudc) va sudi Hoa Lan, khu du lich Hdng Hai (xa Ninh Van) Trong dd ddn vd ddn dugc quan sdt true tiip vd xdc dinh chiing phan bd d phia Dong Bde ctia Nui Hdn Heo Ddn quan sat true tiip di xudng den khu vuc duoi Hdn Heo ndm phia Nam bdn ddo Ddn dugc quan sdt d khu vuc xa Ninh Phu, phia Nam bdn dao Hdn Hlo Cdn lai dan cd trien khai nghien cun nhung khong gap true tiep dan Vgoc ma chi nhan dugc thong tin qua phdng van ngudi dan Trong nhiing ddn cd the quan sat true tiip, da chgn dan sd 1, sd sau dd Id ddn sd va dan sd dl tap trung nghien ciiu Ngdy 01 - 03 thdng 06 nam 2009 quan sat dugc dan Vgoc vd chan den sd cd 16 cd thi d khu vuc xa Ninh Phuoc (NPI) Trong dan cd due dau ddn cai cd kha nang sinh san, khoang due khdc, non loai va non bai Ngay 06 - 07 - 08 thang 06 nam 2009, quan sat dugc dan Vgoc vd chan den sd cd 14 ca thi d khu vuc xa Ninh Phudc (NP2) Trong dd cd khoang due tru'dng thdnh, edi trudng thdnh, due chua trudng thdnh, cai chua trudng thdnh, non giai doan & vd non giai doan Dan sd cd khoang 15 cd the d' khu vuc xa Ninh Van (NV), qua diiu tra cd due trudng thdnh dd cd due dau dan edi trudng So lupng ca the 16 14 15 20 40 thdnh due chua trudng thdnh cai chua trudng thdnh, non giai doan & vd non giai doan Ddn sd co khoang 20 cd thi d" khu vuc xa Ninh Van vd Ninh Phu (NPH) Qua diiu tra co due trudng thdnh dd co due dau dan; edi trudng thdnh; due chua trudng thdnh; edi chua trudng thdnh; non giai doan & vd non giai doan Ddn sd co khoang 40 cd thi d khu vuc xa Ninh Thuy gidp Ninh Phti (NT) Theo thong tin cua dan dia phuong dan Vgoc co non sdp trudng thdnh vd khoang 27 ca the trudng thdnh Ddn ndy thinh thoang chia lam hai ddn nhd c Td ehuc dan Cdc dgt khao sat da ghi nhdn dugc sir phan bd cua Vpoc vd chan den d khdp cdc mat nui Tpa dp sd lupng cd the vd cau tnic bay diu dupe ghi nhan Dua tren kit qua ndy, dgt diiu tra sd lugng Vogc vd chan den da xac dinh dugc dan, vdi it nhat 105 cd thi Sd lugng cd thi mdi bay thay ddi tir 14 den 40 (bing 2) Trong ddn Vooc vd chan den ghi nhan dugc mdi dan co due trudng thdnh vd nhiiu cai ciing cdc con Sd ca thi due trung binh timg bay Id vd ca thi cai la 5.2 Ty le duc/cai d cdc tudi khac diu nhd hon (Bing3) Ty le duc/cai a tudi trudng cua quan the Vogc vd chan den d bdn dao Hdn Heo la : 1.73 Niu tinh ca cdc cd the chua trudng thdnh thi ty le gidi tinh Id 1:1,61 Td chiic ddn ciia cdc lodi Vogc chau A da cd nhiiu tac gid nghien ciru dd cd lodi Vpoc va ehdn den Td chiie ddn cua cdc lodi Vopc khdc cung rat khdc Td chirc ddn thudng la nhiiu due nhiiu cai (multi male - multi female) cung co to chue mdt due nhiiu cai (one male unit - OMU) hay NONG NGHIEP VA PHAT TRIEN NONG THON - KY - THANG 9/2010 81 KHOA HOC CONG NGHE td chue todn due (All male unit -AMU) Td chue dan OMU vd AMU da dugc triln khai nghien cun d Vopc mui hich (Boonratana va Le Xuan Canh, 1994), nhung chua thay thong tin ve cau tnic dan OMU vd AMU ddi vdi loai Vogc vd ehdn den Kit qua nghien cun tren cho thay td chiic dan cua qudn thi Vgoc va ehdn den tai ban dao Hdn Heo Bang Cau tnic tudi va gidi tinh cua quan Gioi tinh va tudi Tdng sd ca the AM AF UA JM JF UJ In Ba UK Ty le duc/cai b tudi tiirong Ty le duc/cai cua ca quan the theo td chiic ddn nhiiu due nhiiu edi (Multi male multi female) Sd lieu bang cho thay: Sd lugng ca thi dan dao dgng tu' 14 tdi 40, dd trung binh due trudng thdnh la vd edi trudng thdnh la 5,2 vd dan gdm nhiiu chua trudng thdnh vd nhung non Ty le duc/cai cua qudn the la 1/1,61 vd ddi vdi ca thi tm'dng thdnh la 1/1,73 the Vooc vd chan den a ban dao Hdn Heo Gia tri tren quan the Sd lupng Phan tram 100 105 14,28 15 24,76 26 18 17.14 10,47 11 15 14.29 1,9 8,57 8,57 Gia tri tren timg bay Trung binh 21 5,2 3,6 2,2 3.2 0,4 1,8 1.8 1:1,73 1:1,61 Bang Cau tnic tuoi va gidi tinh ciia ddn Vgoc va chan den b ban dao Hdn Hlo Ky hieu Tpa dp (UTM-WGS84) AM 480 Sd luon g 16 2 Dp cao (m) AF UA JM X N 12"24'10' Y E 109"18' N 12°26'20" •E109°15'50"' 450 14 NV N 12"23'10' E 109°16'5" 460 15 NPH N 12°25'50" E 109''14'5" 680 20 E lOQ'H^O" 3 N 12"28'3" NPI NP2 470 NT 40 UK Tuoi va gioi tinh 18 UJ JF Ba 2 3 In 1 3 Chii thich: AM: Con due trudng thdnh; AF: Con cai trudng thanh; JM: Con due chua trudng thdnh; JF: Con cai chua trudng thdnh; UJ: Chua trudng thdnh nhung khong xac dinh dugc due edi; UA: Trudng thdnh nhung khong xdc dinh dugc due, cai; In: Con non tudi 3; Ba: Con non tudi 1; UK: khong xdc dinh dugc tudi va gidi tinh Vgoc vd ehdn den (pygathrix nigripe^, thugc hp Khi Cercopithecidae, bg Linh trudng Primates Vogc vd chan den la lodi thii quy hilm; Sdeh dd thi gidi xIp nd vdo bae EN Viet Nam nhung nam gdn ddy, nan san bdn qua mirc nen nhiiu noi can kiet va sd lugng da trd nen rat hiem, mue de dpa bae EN NPI - Ninh phudc 1, NP2 - Ninh phudc 2, NV Ninh Vdn, NPH - Ninh Phu, NT - Ninh Thuy Theo diiu tra, trudc day sd lupng bai Vpoc va chan den d Hdn Heo khd ldn nhung ddo dam nudi tdm ca, xdy dung dudng giao thdng cac hoat ddng chat cay, ddn cui, xay cac Id ddt than ldn mng da lam cho noi sdng cua Vgoc va ehdn den cang bi thu hep Tinh trang bao ton va de xuat mdt sd phuong an bao ton a Nlii'mg tic ddng xau den mdi trudng sdng 82 NONG NGHIEP VA PHAT TRIEN NONG THON - KY - THANG 9/2010 KHOA HOC CONG NGHE '^UH3, Hinh Vpoc vd chan den hi san d Hon Heo thdng 5/2009 Dac biet, viec san bdt dpng vat dugc coi Id nguy CO cao nhat de dga true tiip su tdn tai vd phdt triln cua lodi vgoc d day Su san bdt xdy hdu hit d cdc thang nam Cac phuong tien chii yiu dugc diing de san bdt bao gdm: Simg, cac loai bay thii, ngoai hg cdn diing mot sd phuong tien khac nhu: biia, dinh, dao Muc dich san bdt Id lay thit ban cho cdc nhd hdng dac sdn thu rimg, 1dm dugc pham, trang tri, nau cao hoac say kho vd ban vd hien tupng ndy den vdn cdn tiep diln Do dd sd lugng lodi ndy ngdy cdng suy giam nghiem trgng Chi khoang thdi gian tir thdng din thang nam 2009 da cd hai vu vi pham san bdn Vgoc va ehdn den tai Hdn Heo vd cd the da bi gilt hai Ngodi cdc boat dgng du lich ngdy cdng dugc md rgng khdp ban dao Hdn Heo cho khach tham quan cung gay nguy ca de dga din cugc sdng lodi Vpoc vd ehdn den vl ngudn thiie an, noi sdng Ben canh dd y thirc bao ve moi trucmg ciia ngudi ddn vd mot sd ngudi khdeh du lich cdn thap nen lupng rac thai da gdy nhilm moi trudng Hien tinh Khdnh Hda ciing cdc ban ngdnh cd lien quan chua cd bien phdp huu hieu dl bao tdn, phdt triln qudn the Vpoc vd chan den nen chiing van bi giam manh vl sd lugng b De xuat mot sd bien phip bao ton Bien phap trudc mdt, can phai cd nhung quyit dinh chinh thiie cua tinh Khanh Hda vd cua Nha nude vl viec bdo tdn lodi Vgoc vd chan den d ban dao Hdn Heo VI lau ddi hon cdn cd su phdi hpp chat che gifra hoat dpng du lich vd bao tdn loai Vpoc va ehdn den day Id hai mat cd tdc dpng tuong hd tich cue voi Viec phdt trien thdnh cong du lich se thuc day su chuyen hudng boat dpng kinh tl cua dia phuong theo hudng phat trien kinh tl gdn bao ve mdi trudng thay thi cho boat dpng kinh tl khai thdc tai nguyen vd dau tu cong nghiep cd hai cho moi trudng Ngupc lai bao ve tdt tdi nguyen cua bdn ddo Hdn Heo Id ca sd de bdo tdn cdnh quan thien nhien hap dan cd lodi Vpoc vd chan den, dl khach du lich co the quan sat ddi sdng cua lodi linh trudng quy hilm nay, ma Idiong dl gi bat gap d ngodi tu nhien Phue hdi rimg, trdng cay gd lam thiic an cho vpoc, day Id cong viec can thiit dl giu vd md rong khu vuc sdng cho dan vpoc Tao sinh canh ldn hon vd an todn hon cho su tdn tai vd phdt triln tuong lai cua lodi vpoc ndy dugc tdt hon Cimg cd vd nang cao mang ludi kilm tra, kilm sodt cua luc lugng kiem lam xung quanh Hdn Heo, tang them thu nhap cho cdc nhan vien bdo ve nhdm phdt hien vd ngan ngira tinh trang san bdt dgng vat, nhdt Id san bdt Vgoc vd chan den; ngan ngira cdc hanh vi xam lan dat rimg khai thdc lam sdn phd hoai rimg, kjp thdi phdt hien ngan chan vd phdng chdng chdy rimg Nang cao y thirc bdo ve cdnh quan, giir gin moi trudng sdng xung quanh, bdo tdn da dang sinh hgc ndi chung, bao ve loai Vgoc va chan den ndi rieng cho nhung nguoi dan dia phuong, can bg chinh quyin dia phuong ciing nhu cho khach din du lich d bdn ddo Hdn Hlo Tang cudng nghien ciru khoa hgc bao tdn da dang sinh hgc, dd cd lodi Vpoc va ehdn den IV KET LUAN VA KIEN NGHj Kit luan Da phdt hien vd quan sdt khoang 105 cd the bdi Vpoc vd chan den tren dien tich 1.5000 d bdn ddo Hdn Heo thuoc huyen Ninh Hda, tinh Khdnh Hda Ddy Id phdt hien khu phan bd mdi, bd sung vao danh sdeh cdc khu vuc phan bd cua lodi Vpoc vd chan den d Viet Nam Td chiic dan cua quan the Vpoc va chan den tai ban dao Hdn Hlo theo td chirc dan nhiiu due nhiiu cai (Multi male - multi female) Sd lupng cd thi ddn dao dpng tir 14 tdi 40, trung binh due trudng thdnh Id vd edi trudng thdnh Id 5,2 vd ddn gdm nhiiu chua trudng vd nhiing non Ty le duc/cai ciia qudn thi la 1/1,61 vd ddi vdi cd the trudng thdnh Id 1/1,73 Tinh hinh san bdn lodi Vpoc vd ehdn den tai ban dao Hdn Heo vdn cdn diln kha phd biin de dpa sir tdn tai cua bdi d khu virc NONG NGHIEP VA PHAT TRIEN NONG THON - KY - THANG 9/2010 83 K H O A HOC C O N G N G H E Kien nghi Tinh Khdnh Hda va cac ca quan chiic nang can cd bien phdp cap bach de bao tdn da dang sinh hgc b ban dao Hdn Heo dd dac biet chu y tdi qudn t h i lodi Vgoc va ehdn den Can cd nhiiu nghien ciiu hon nua v l sinh hgc sinh thdi cua loai Vogc vd chan den d l cd ca sd' khoa hgc cho cong tac bao tdn loai dac biet tai dia dilm Hon Heo, huyen Ninh Hoa, tinh Khdnh Hda TAI UEU THAM KHAO Bg Khoa hgc & Cong nghe vd Vien Khoa hpc & Cong nghe Viet Nam (2007) Sach dd Viet Nam phin I Ddng vat-Red Data Book of Vietnam P artl Animals Nhd xuat ban Khoa hgc T u nhien vd Cong nghe, Hd Ngi Ddng vat chi Viet Nam (2007) Mammaha Thu Viet Nam Nha xuat ban Khoa hgc Tu nhien vd Cong nghe tap 25 Dang Huy Huynh, Dao Van Tiin, Cao Van Sung Pham Trgng Anh, Hoang Minh Khien (1994) Danh luc cac loai thii (Mammalia) Viet Nam Nha xuat ban Khoa hgc Ky thuat Ha Ngi Le Khac Quyit, 2006 Nghien ciin mot sd dac diem sinh thai hgc cua loai Vgoc mui hIch 9Rhinopithecus avunculus Dollman, 1912 b khu vuc Khau Ca, tinh Ha Giang Ludn van thac si sinh hgc, Hd Ngi Tran Van Bang, Hoang Minh Diic, Luu Hdng Trudng, Herbert Covert (2009) Cau trde bay vaphan bd khdng gian ciia quan the Cha va chan den d nui Ta Kdu, Khu bao ton thien nhiin Ta Kdu, tinh Binh Thuan Tuyen tap bdo cao khoa hgc v l sinh thai va tai nguyen sinh vat (2009) Nhd xuat ban Nong nghiep Ha Ngi, tr 1195-1200 Hoang Minh Due (2007) Ecology and Conservation Status of the black-shanked douc (Pygathrix nigripes) in Nui Chua and Phuoc Binh National Parks Ninh Thuan province, Vietnam A thesis submitted for the degree of Doctor of Philosophy at the University of Queensland in March 2007 Struhsaker, T T., 2008 International Journal of Primatobgy 29:19 - 34 Treherne J E and Foster, W A., 1981 Group transmission of predator avoidance in a marine insect: the Trafalgar effect Animal Behaviour, 29, 911-917 Yeager, C P and Kool, K., 2000 The behavioral ecology of Asian Cobbines In Old World Monkeys eds, Whitehead, P F and Jolly C J Cambrigde University Press, Cambridge, pp 496521 ACTUALITY OF BLACK- SHANKED DOUC LANGURS IN HON HEO PENINSULA, NINH HOA DISTICT, KHANH HOA PROVINCE Nguyen Thi Le Quyen Summary Hon Heo peninsula, with total area of proximately 15,000 in the northeast of Khanh Hoa province, is a special area for Black-shanked Douc langur diversity These surveys have recorded two primate species included Pygmy loris (Nycticebus pymaeus) and Black-shanked Douc langur (Pygatrix nigripes) Blackshanked Douc langurs is one of the most beautiful primates in the world and is Usted as Endangered by lUCN (2009) The research was carried out from June 2009 to July 2010 and focus on Black-shanked douc langur population size on Hon Heo mountain This population has at least 105 individuals in five groups Group size is between 14 and 40 individuals The common social group structure is one male unit (OMU) with frequent fission-fusion events Black-shanked douc langurs in Hon Heo mountain are distributed at a naiTow range of elevation from 300 m to 700 m and have different distribution on the four sides of the mountain Based on the result of the suiveys two recommendations are made for conservation of the Black-shanked Douc langur in Hon Heo peninsula Ninh Hoa district Khanh Hoa province Key Words: Black-shanked Douc langur (Pygathrix nigripes), consei-vation Ngudi phan bien: PGS TS Le Xuan Canh 84 NONG NGHIEP VA PHAT TRIEN NONG THON - KY - THANG 9/2010 ... Hdn Heo Ten dan Dan so Dan sd Dan so Dan sP Dan sd Ten dia diem Ninh PhuPc (NPI) Ninh PhuPc (NP2) Ninh Van (NV) Ninh Phu (NPH) Ninh Thuy (NT) Tpa dp trung tam khu phan bd N 12°24''10" E lOO^lS''... kiet va sd lugng da trd nen rat hiem, mue de dpa bae EN NPI - Ninh phudc 1, NP2 - Ninh phudc 2, NV Ninh Vdn, NPH - Ninh Phu, NT - Ninh Thuy Theo diiu tra, trudc day sd lupng bai Vpoc va chan den... dilm Ddc Ba Nggn Sudi Lanh Ddc Chinh, Ddc Rdng (xa Ninh Phii), Rimg Cat, Ginh Nhay (xa Ninh Phudc) va sudi Hoa Lan, khu du lich Hdng Hai (xa Ninh Van) Trong dd ddn vd ddn dugc quan sdt true tiip