BC DDSH Lần 1 2012_Thanh Hoa

II

Bo co Quan trc a dng sinh hc tnh Thanh Ho t 1 nm 2012

BO COQUAN TRC A DNG SINH HC TNH THANH HA T I NM 2012

I. THNG TIN CHUNG

1. Nhim v quan trc a dng sinh hc tnh Thanh Ha t I nm 2012

Cn c vo Quyt nh s 3993/Q UBND ngy 08/11/2010 ca UBND tnh Thanh Ha v vic ph duyt mng im, tn sut v cc ch tiu quan trc ti nguyn mi trng tnh Thanh Ha, giai on 2011 2015.

Cn c Quyt nh s 262/Q-STNMT ngy 31/12/2011 ca Gim c S v vic giao nhim v quan trc ti nguyn mi trng nm 2012.

Cn c Quyt nh s 261/Q-STNMT ngy 31/12/2012 ca Gim c S v vic ph duyt k hoch quan trc ti nguyn mi trng nm 2012

Trung tm Quan trc v BVMT Thanh Ha tin hnh quan trc a dng sinh hc tnh Thanh Ha t I nm 2012 bao gm nhng ni dung sau:1.1. Phm vi quan trc

Quan trc a dng sinh hc tnh Thanh Ha t I nm 2012 c tin hnh ti khu bo tn thin nhin P Lung, P Hu, Xun Lin, vn Quc gia Bn En, Khu rng ngp mn x Nga Tn, huyn Nga Sn v 17 v tr thy vc trn a bn tnh Thanh Ha. 1.2. i tng quan trc

1.2.1. Mng im quan trc

- H sinh thi rng: Quan trc tiu chun ti 5 v tr: Khu bo tn thin nhin P Lung, P Hu, Xun Lin, Vn Quc gia Bn En v Rng ngp mn x Nga Tn, huyn Nga Sn.

- H sinh thi thy vc: Quan trc ti 17 v tr trn cc h thng sng M, sng Chu, sng Yn, sng Bng, cc h cha nc Yn M, h Bn En v cc ca ly nc nui tm thuc cc khu vc nui tm trng im.

1.2.2. Ch tiu phn tch

- H sinh thi rng: Phn loi thc vt bc cao ti cc tiu chun thuc cc v tr quan trc.

- H sinh thi thy vc: Phn tch 6 ch tiu: nh lng thc vt ph du, nh lng ng vt ph du, nh lng ng vt y, nh tnh thc vt ph du, nh tnh ng vt ph du v nh tnh ng vt y.

2. Thi gian tin hnh quan trc

Quan trc h sinh thi thy vc tin hnh t ngy 20 thng 6 n ngy 29 thng 6 nm 2012.

Quan trc h sinh thi rng c tin hnh t 19 thng 9 n ngy 10 thng 10 nm 2012.3. n v phi hp thc hin

- Cng ty C phn dch v khoa hc cng ngh v bo v mi trngII. kt qu quan trc

1. Kt qu quan trc h sinh thi thy vc

t 1 nm 2012 tin hnh kho st, ly mu phn tch ti 17 im quan trc trn a bn tnh Thanh Ha. Cc mu thy sinh c thu thp x l v phn tch kt qu nh sau:1.1. Thc vt ni

1.1.1. Thnh phn loi

Kt qu phn tch mu trong ln kho st t 1 nm 2012 ti cc v tr quan trc trn a bn tnh xc nh c 164 loi thuc 7 ngnh to l To lam (Cyanophyta), To Silic (Bacillarophyta), To Lc (Chlorophyta), To Mt (Eulenophyta), To Gip (Pyrrophyta), Cyanlobacteriophyta v To Dino (Dinophyta).Bng 1: Cu trc thnh phn loi thc vt niSTTNgnhS lng loiT l (%)

1Bacillarophyta3923,78

2Cyanophyta3118,91

3Chlorophyta5634,15

4Cyanobacteriophyta116,70

5Dinophyta31,82

6Eulenophyta159,14

7Pyrophyta95,48

Tng164100,00

Trong 7 ngnh to xc nh c th To Lc (Chlorophyta) c s lng loi cao nht (c 56 loi chim 34,15%), tip n l to Silic (Bacillarophyta) (c 39 loi, chim 23,78%), to Lam (Cyanophyta) (c 31 loi chim 18,91%), Vi khun Lam (Cyanobateriophyta) c 11 loi chim 6,70%), to Mt (Eulenophyta) (c 15 loi chim 9,14%) to Gip (Pyrophyta) (c 9 loi chim 5,48%) v To Dino (Dinophyta) (c 3 loi chim 1,82%). Cc chi Euglena (to Mt), chi Oscillatoria (toLam), chi Scenedesmus, chi Chlorella (to Lc), chi Nitzschia (to Mt) l nhng ch th thng xuyn c s dng ch th s nhim nc. Qua kt qu quan trc cho thy cc ch th ny xut hin ti hu ht cc khu vc ca sng ven bin v vng c mc nhim hu c cao. Nhiu loi to thuc cc chi Euglena, Scenedesmus, Oscillatoria, Nitzschia l nhng nhm thng xut hin ti cc thu vc b nhim bn hu c v c nh gi l c kh nng chu ng nhim cao. Mt s loi to trong cc chi trn cng a sng trong mi trng giu cht hu c.Bng 2: Tng hp kt qu phn loi thnh phn loi thc vt ni

(1)BACILLARIOPHYTA (To Silic)

1Skeletonema costatum

2Surirella turgida

3Surirella robusta var. splendida

4Synedra utermoehlii

5Gyrosigma acuminatum

6Gyrosigma strigile

7Melosira granulata

8Nitzschia spectabilis

9Nitzschia linearis

10Thalassiosira rotula

11Cocconeis plcentula

12Fragilaria capucina

13Cyclotella comta

14Cymbella cupidata

15Synedra amphicaphala

16Gyrosigma kuetzingii

17Cymbella tumidula

18Nitzschia acicularis

19Suriella besrita

20Stauroneis anceps

21Coscinodiscus lineatus

22Nitzschia feliformis

23Hantzschia amphioxys

24Caloneis siliaela var baicalensis (Ehr) Ch

25Pinnularia mesolepta Greg

26Leptocylindrus danicus

27Cyclotella meneghiniana

28Cymbella cuspidata

29Nitzschia sublinearis

30Navicula atomus

31N.dubia

32Amphora ovalis var pediculus Kiitz

33P. gibba (Quellen) Ehr

34Navicula cincta Kuetz

35N. gracilis Kuetz

36N. pupula Kuetz

37N. rotaeana

38N.commutata

39Nitzschia distans

(2)CHLOROPHYTA (To Lc)

1Coelastrum reticulatum

2Oedogonium. elliptica W. west

3Scenedesmus aabundans

4Cosmarium inhaereus Bach

5C. microporum Hans

6 Trachelomonas arthrodesmiforme Lemm

7T. glabrum Lemm

8T. regulave Kiitz var. incusi Teilling

9T. schmidlei. Wille

10O. crassa. W. et. W

11Phacus clathratum Lemm

12S. protubetans Fristch et. Koprucobi at protuberans

13Sc. Quadricauda

14Euastrum turneri

15A. jalcatus var spirilliformis (W.et.Wwst) G.S.West

16Tetraedron trigonum var. crassum

17Ankistrodesmus longissimus

18Coelastrum morus

19Coelastrum scabrum

20Dictyospaerium ehrenbergianum

21Tetrastrum apiculatum

22Trochiscia aspera

23Scenedesmus denticulatus var. australis

24Acinastrum hantzschi

25Staurastrum dimazum

26Staurastrum javanicum

27Pandorina morum

28Scenedesmus abundans

29Pediastrum duplex var duplex

30Euastrum spinulosum

31Crucigenia tetrapedia

32Pediastrum simplex var. duodenarium

33Chlamydomonas epiphytica Korschik

34O. solitavia var major (Wille) Ergashev

35Scenedesmus breivispina (Smith) Rortbagui

36Ankistrodesmus falacatus (Corda) Ralfs

37Ankistrodesmus jalcatus var spirilliformis (W.et.Wwst) G.S.West

38A. stipitatus Lemm

39C. inhaereus Bach

40Characium longiseta Lemm

41C. subsalga Lemm

42Scenedesmus quadricauda var. Quadricauda

43S. quadricauda (Turp) Brebis

44S. setigera (Schoed) Lemm

45T. stauroge niaejorrne

46Actinastrum hantzschi Lagerh

47A. piralis (Turn) Lemm

48C. longiseta Lemm

49Golenkinia radiata (Chod) Wille

50Oedogonium. elliptica W. west var Elliptica

51O. rupostris Kirchner

52O. submarina Lagerh

53P.simplex (meyen) Lemm var simplex

54Scenedesmus acuminatus Chod

55S. protubetans Fristch et. Rich. var.

56S. obliquus var costulatus Chod

(3)CYANOBACTERIOPHYTA (Vi khn Lam)

1Coelosphaerium dubium

2Phormidium tenue

3Lyngbya aestuarii

4Lyngbya majuscula

5Oscillatoria quasiperforata

6Aphanocapsa litoralis

7Phormidium (Oscillatoria) corallinae

8Merismopedia marssonii

9Oscillatoria curbiceps

10Phormidium lucidum (Lyngbya lucida)

11Merismopedia tenuissima

(4)DINOPHYTA (To Dino)

1Dinophysis caudata Saville-Kent

2Dinophysis miles

3Ceratium furca

(5)EUGLENOPHYTA (To Mt)

1P. oscillans Kleibs

2Euglena acus

3E.bucharica I.Kissel

4Gonyaulax spinifera

5Trachelomonas hispida

6Lepocinclis playfairiana

7Phacus acuminatus

8Monomorphina pyrum

9Astasia klebsii

10Trachelomonas

11Astasia inflata Duj

12Trachelomonas planctonica Swir

13T. euchlora Swir

14A. curvala Kleibs

15Phacus pleuronectes (Ehr) Duj

(6)CYANOPHYTA (To Lam)

1Lyngbya circumcreata

2Dactylococcopsis acicularis Lemm

3Merismopedia punctata

4M.tenuissima

5Merismopedia pulveria Hortob

6Microcytistis aeruginosa Kutz

7Oscillatoria lacustris Gom

8O. lauterbormi Kutz

9Oscinlatoria geminata Lyg

10Phormidium molle

11Spirulina appreviata Lemm

12A.intheulans Nag

13Phirmidium molle Kuetxz

14Merismopedia pulletate Neyen

15M. tenuissima Lemm

16Oscillatoria brevis Kuetz

17S. pjenneri Woronich

18Phormidium molle Kuetz

19Merismopedia punctata Meyen

20M. pulletate Meyen

21S. platersis Kutz

22Aphanothece clathrata Elenk

23Dactylococopsis acicularis Lemm

24D. rhaphidioides Hansg

25M. tenuissima Lemm

26M. glauca Neyen

27Spirulina pjenneri Woronich

28D. rhaphidioids Hansg

29M. pulletate Neyen

30O. tenuis Ag

31O. lacustris Gom

(7)PYRROPHYTA (To Gip)

1Cryptomonnas gracilis Skuja

2G. paradoxum Ag

3Euglena aculeata

4E.acus

5Strombomonas

6Peridinium spiniferum

7Phacus alatus

8G. ybberrinumrotundatum (Klebs) Pop

9Gonyaulax palustre

1.1.2. Mt loiMt thc vt ni dao ng t 64.100 tb/lt ti im thu mu Cng Nghi Sn, Tnh Gia trung bnh l 111.500tb/lt ti im Trng Giang, Nng Cng, trung bnh l 91.450 tb/lt. Mt ti thc vt ni ti tt c cc im kho st u do 3 nhm to Silic, to Lam v to Lc quyt nh. Nhm to mt v to Dino c mt thp hoc khng ng k ti cc im kho st.

1.1.3. Ch s a dng sinh hcKt qu tnh ch s a dng sinh hc (H) ca thc vt ni cho thy, ch s H ca 17 im thu mu trung bnh l 3,59 (mc a dng sinh hc tt), dao ng trong khong 1,18 n 4,59 (t trung bnh kh n a dng sinh hc tt v rt tt). Ch s H cao nht ti v tr quan trc X Trng Giang, Nng Cng vi gi tr trung bnh l 4,18 a dng sinh hc mc tt v rt tt v thp nht ti Nga Thy, Nga Sn gi tr trung bnh 2,69 a dng mc trung bnh kh.

1.2. ng vt ni

1.2.1. Thnh phn loi

Kt qu phn tch xc nh c 81 loi ng vt ni thuc 20 h, 4 b, 2 lp, 2 ngnh Trng bnh xe (Rotatoria), Chn khp (Arthropoda).

Bng 3: Cu trc thnh phn loi ng vt ni

STTNgnhLpBHLoi

S lngT l (%)

1Rotatoria1282935,81%

2Arthropoda22125264,19%

Tng342081100,00

Thnh phn ng vt ph du ch yu tp trung vo lp Gip xc (Crustacera) thuc ngnh Chn khp (Arthropoda) c 52 loi chim 64,19%. Trong b Gip xc ru ngnh (Cladocera) c 37 loi chim 45,68%, b Gip xc chn cho Copepoda 15 loi chim 18,51%. Ngnh Trng bnh xe c 29 loi chim 35,81% thuc lp Monogononta. Hu ht cc loi ng vt ph du thu c ti cc v tr kho st u l nhng loi ph bin, phn b rng ch yu l cc loi trong nhm Gip xc ru ngnh v chn cho nh Phyllodiaptomus tunguidus, Heliodiaptomus falxus, Sinodiaptomus sarsi, Acartiella sinensis Shen et Lee.

Bng 4: Tng hp kt qu phn loi ng vt ni

STTTN KHOA HC

Ngnh Trng bnh xe (Rotatoria)

(a)Lp Monogononta

B Ploimida

(1)H Brachionidae

1B. budapestinensis Daday

2B. calyciflorus Pallas

3B. diversicomis Daday

4B. quadridentatus Hermenn

5B. falcatus Zacharias

6B. forficula Wieiejski

7Brachionus angularis Gosse

8Brachionus budapestinensis Daday

9Brachionus quadridentatus Herman, 1873

(2)H Euchlanidae

1Diplois daviesiae Gosse, 1886

2Euchlanis dilatata Ehrenberg, 1832

(3)H Asplanchnidae

1Asplanchnopus multiceps Schrank, 1793

2Asplanchna sieboldi

(4)H Lecanidae

1Lecane Lecane leontina Turner, 1892

2Lecane Lecane curvicornis Murray, 1913

3Lecane Lecane luna Mller, 1776

4Lecane Monostyla crenata Harring, 1913

5Lecane Monostyla bulla Gosse, 1851

(5)H Synchaetidae

1Ploesoma lenticulare Herrick, 1885

2Ploesoma truncatum Levander, 1894

3Brachionus calyciflorus Pallas, 1776

4Brachionus caudatus Barrois -Daday, 1894

5Brachionus falcatus Zacharias, 1898

6Brachionus urceus Linnaeus

7Keratella tropica Apstein, 1907

8Brachionus diversicornis Daday, 1883

9Brachionus forficula Wierzejski, 1891

10Bipalpus hudsoni Imhof

11Polyarthra vulgaris Carlin, 1943

Ngnh Chn khp (Arthropoda)

Lp Gip xc (Crustacea)

(b)B Gip xc ru ngnh (Cladocera)

(6) H Bosminidae

1Bosmina longirostris O. F. Mller, 1776

2Bosminopsis deitersi Richard, 1895

3Bosmina longirostris O.F.Muller

(7)H Daphniidae

1Ceriodaphnia rigaudi Richard, 1894

2Moina dubia de Guerne et Richard, 1892

3Simocephalus elizabethae

(8)H Sididae

1Diaphanosoma sarsi

2Diaphanosoma paucispinosum

3Alona davidi Richard

4Diaphanosoma sarsi Richard

5Penilia schmackeri Richard

6Diaphanosoma leuchtebergianum Fischer

(9)H Daphnidae

1Ceriodaphnia rigaudi Richard

2Moinodaphnia macleayii King

(10)H Diaptomidae

1Allodiaptomus pectinidaetylus Shen et Tai

2Eodiaptomus draconisignivomi Brehm, 1954

3Neodiaptomus yangtsekiangensis

4Mongolodiaptomus birulai

5Allodiaptomus raoi

6Allodiaptomus mieni Dang et Ho

7Heliodiaptomus serratus Shen et Tai, 1962

8Neodiaptomus handeli Brehm, 1921

9Heliodiaptomus falus Shen et Tai

(11)H Trichocercidae

1Trichocerca Trichocerca capucina Wierzejski & Zacharias, 1893

2Trichocerca Trichocerca cylindrica Imhof, 1891

3Trichocerca Trichocerca pusilla Lauterborn, 1898

4T. Trichocerca cylindrica

5T. Trichocerca longiseta

6Trichocerca Dlurella tigris Muller

(12)H Filiniidae

1Tetramasti opoliensis Zacharias, 1898

2Filinia brachiata Rousselet, 1901

(13)Chydoridae

1Chydorus aleandrovi Poggenpol

2Pleurous hamatus hamatus Birge, 1878

3Euryalona orientalis

4Alona affinis Leydig

5Alona quadrangularis O. F. Mller 1776

6Chydorus sphaericus sphaericus O.F. Mller, 1785

B Gip xc chn cho (Copepoda)

(14)H Ectinosomidae

1Microsetella rosea Dana

(15)H Harpacticidae

1Harpacticella paradoa Brehm

(16)H Pseudodiaptomidae

1Schmackeria bulbosa Shen et Tai, 1964

2Shcmackeria gordioides

(17)H Paracalanidae

1Acrocalanus gracilis Giesbrecht

2Paracalanus crassirostris Dahl

(18)H Centropagidae

1Sinocalanus mystrophorus Burkhardt

2Sinocalanus laevidactylus Shen et Tai

(19)H Cyclopidae

1Microcyclops varicans Sars, 1863

2Thermocyclops taihokuensis Harada, 1931

3Eucyclops serrulatus Fischer

4Eucyclops speratus Lilljeborg

5Mesocyclops leuckarti Claus, 1857

6Thermocyclops hyalinus Rehberg, 1880

(20)H Pontellidae

1Labidocera euchaeta Giesbrecht

1.2.2. Mt Kt qu phn tch nh lng cho thy, s lng ng vt ni ti 17 v tr quan trc dao ng t 17.500 c th/m3 n 34.500 c th/m3. Trong s lng ng vt ni thp nht ti v tr Ca Lch Ghp x Hi Ninh, Tnh Gia vi gi tr trung bnh 17.500 c th/m3, cao nht ti v tr ca Lch Bng, Hi Bnh, Tnh Gia vi gi tr trung bnh l 34.500 c th/m3.

1.2.3. Ch s a dng sinh hc

Kt qu tnh ch s a dng sinh hc (H) ca ng vt ni cho thy, ch s H ca 51 im thu mu trung bnh 2,89 (mc a dng sinh hc tt), dao ng trong khong 2,18- 3,44 (t trung bnh kh n a dng sinh hc tt v rt tt). Ch s H cao nht ti ca Lch Cn, x Nga Tn, Nga Sn vi gi tr trung bnh l 3,44 (a dng sinh hc tt v rt tt), thp nht ti H Sng Mc, Hi Vn, Nh Thanh vi gi tr trung bnh l 2,18 (a dng sinh hc mc trung bnh kh).

Bng 5. Tng hp kt qu tnh ch s Shannon Weiner (H) ca thc vt ph du, ng vt ph du

STTa imThc vt ph dung vt ph du

K hiu muH'K hiu muH'

1Ca Lch Cn, Nga Tn, Nga Sn, Thanh HaTVN L-3.14,11VN L-3.13,18

TVN L-3.23,81VN L-3.23,77

TVN L-3.33,66VN L-3.33,36

2Ca ly nc nui tm x Nga Thy, Nga Sn, Thanh HaTVN L-3.43,63VN L-3.43,53

TVN L-3.53,68VN L-3.53,52

TVN L-3.61,18VN L-3.62,97

3Ca Lch Sung, a Lc, Hu Lc, Thanh HaTVN L-3.73,87VN L-3.72,90

TVN L-3.83,80VN L-3.83,27

TVN L-3.93,55VN L-3.92,14

4Ca ly nc nui tm x a Lc, Hu Lc, Thanh HaTVN L-3.103,58VN L-3.103,51

TVN L-3.113,54VN L-3.113,33

TVN L-3.123,18VN L-3.122,87

5Ng ba Bng, Hong Khnh, Hong Ha, Thanh HaTVN L-3.133,59VN L-3.133,11

TVN L-3.143,56VN L-3.143,37

TVN L-3.153,87VN L-3.152,48

6Ca Lch Trng, Hong Trng, Hong Ha, Thanh HaTVN L-3.163,24VN L-3.163,04

TVN L-3.173,36VN L-3.173,41

TVN L-3.183,60VN L-3.183,03

7Ca ly nc nui tm x, Hong Ph, Hong Ha,Thanh HaTVN L-3.193,93VN L-3.19

TVN L-3.204,08VN L-3.203,32

TVN L-3.213,76VN L-3.212,86

8Ca Lch Hi, Qung Tin, Th x Sm Sn, Thanh HaTVN L-3.223,62VN L-3.223,55

TVN L-3.233,57VN L-3.233,17

TVN L-3.243,68VN L-3.242,78

9Qung Vng, Qung Xng, Thanh HaTVN L-3.253,52VN L-3.253,05

TVN L-3.264,03VN L-3.262,89

TVN L-3.273,71VN L-3.272,64

10X Trng Giang, Nng Cng, Thanh HaTVN L-3.284,17VN L-3.283,11

TVN L-3.294,18VN L-3.293,00

TVN L-3.304,21VN L-3.302,29

11H Yn M, Yn M, Nng Cng, Thanh HaTVN L-3.313,93VN L-3.312,92

TVN L-3.323,78VN L-3.322,65

TVN L-3.333,89VN L-3.332,50

12Ca Lch Ghp, Hi Ninh, Qung Xng, Thanh HaTVN L-3.343,40VN L-3.343,42

TVN L-3.353,51VN L-3.353,39

TVN L-3.363,24VN L-3.362,46

13Ca Lch Bng, Hi Bnh, Tnh Gia, Thanh HaTVN L-3.373,83VN L-3.372,89

TVN L-3.383,82VN L-3.382,48

TVN L-3.393,71VN L-3.392,85

14Cng Nghi Sn, Nghi Sn, Tnh Gia, Thanh HaTVN L-3.403,38VN L-3.403,15

TVN L-3.413,41VN L-3.412,48

TVN L-3.422,93VN L-3.422,34

15H Sng Mc, Hi Vn, Nh Thanh, Thanh HaTVN L-3.433,72VN L-3.432,76

TVN L-3.443,67VN L-3.442,43

TVN L-3.453,68VN L-3.451,35

16Thng ngun p Bi Thng, Xun Bi, Thng Xun, Thanh HaTVN L-3.463,40VN L-3.463,10

TVN L-3.473,62VN L-3.472,77

TVN L-3.483,36VN L-3.482,40

17H lu p Bi Thng (cch p 2km), Mc Sn, Th Xun, Thanh HaTVN L-3.493,44VN L-3.492,33

TVN L-3.503,03VN L-3.502,31

TVN L-3.513,31VN L-3.512,13

1.3. i vi ng vt y

1.3.1. Thnh phn loi

Kt qu phn tch ng vt y cc im quan trc thu c 83 loi thuc 18 h, 2 Ngnh. Ngnh Chn khp (Arthropoda) c 30 loi chim 36,1%, Thn mm (Mollusca) c 53 loi chim 63,9%. Hu ht cc loi thu c 51 im thu mu u l nhng loi phn b rng, ph bin cc dng thy vc.Bng 6: Thnh phn loi ng vt y

STTTn khoa hc

INgnh Chn khp (ARTHROPODA)

Crustacea

Decapoda

(1)Atyidae

1Caridina serrata serrata Stimpson, 1860

2Caridina tonkinensis (Bouvier, 1919)

3Caridina flavilineata (Dang, 1975)

4Caridina acuticaudata Dang

5Caridina vietnamensis (Dang, 1967)

6Caridina acuticaudata (Dang, 1975)

(2)Grapsidae

7Episesarma versicolor (Tweedie,1940)

8Metapla longipes (Simpson)

9Sesarma chiromantes (Haan)

10Metapla elegans

11Uca arcuata (Haan)

12Metopograpsus messor

(3)Penaeidae

13Penaeus merguiensis

14Metapenaeus affinis

15Metapenaeus joyneri (Miers, 1880)

16Parapenaeopsis cortuna (Kisshiinouye, 1900)

17Metapenaeus brevicornis (Mil. - Edw., 1873)

Stomatopoda

(4)Squillidae

18Cloridopsis scorpio (Latreille, 1828)

19Oratosquillina graviere (Manning, 1978)

(5)Ocypdidae

20Macrophthalmus depressus Ruppell, 1830

21Macrophthalmus japonicus (de Haan, 1835)

Panorpida

(6)Branchycentridae

22Branchyentrus subnubilus Curtis,1834

Insecta

Ephemeroptera

(7)Ephemeridae

23Ephemera serica Eaton, 1871

Odonata

(8)Gomphidae

24Labrogomphus torvus Needham, 1931

25Ophiogomphus spinicomis (Selys)

26Orientogomphus armatus (Chao and u)

27Paragomphus henryi (Laidlaw)

28Gomophidia krugeri fukienensis (Chao)

29Sinictinogomphus clavatus

30Stylurus amicus (Needham)

II Ngnh Thn mm (MOLLUSCA)

Bivalvia

Veneroida

(9)Corbiculidae

31Geloina coaans (Gmelin)

32Corbicula fluminea (Miiler)

33Corbicula cyreniformis (Prime)

34Corbicula bocourti (Morlet)

35Corbicula leviuscula (Prime)

36Geloina coaans (Gmelin, 1791)

37Corbicula sp.

38Corbicula tenuis (Clesssin)

39Corbicula baudoni (Morlet)

40Corbicula moreletiana (Prime)

(10)Veneridae

41Meretri lusoria (Roding, 1798)

42Meretri meretri (Linnaeus, 1758)

43Tapes literatu (Linn)

44Paphia lirata (Phiippi, 1847)

45Placamen calophylla (Philippi, 1836)

46Nerita polita

Gastropoda

Neritimorpha

(11)Neritidae

47Theodous oualaniensis

48Clinthon corona (Linnaeus, 1758)

49Nerita balteata Reeve, 1855

50Nerita histrio Linnaeus, 1758

51Nerita polita

Caenogastropoda

(12)Thiaridae

55Melanoides tuberculatus (Muller)

56Sulcospira proteus Bavay et Dautzenberg

57Thirascabra (Muller)

58Tarebia granifera (Lamarch)

59Antimelanis costula (Brot)

60Stenomelania reevei (Brot)

(13)Viviparidae

61Angulyagra polyzonata (Frauenfeld, 1862)

62Angulyagra boettgeri (Heude)

63Angulyagra wilhelmi (Yen)

64Angulyagra polyzonata (Frauenfeld)

65Sinotaia basicarinata (Kobelt)

66Cipangoaludina lecythoides (Benson)

67Angulyagra oytropis (Benson)

Arccida

(14)Arcidae

68Anadara granosa (Linnaaus, 1758)

69Anadara subcrenata (Lishke)

70Arca granosa

Pterioida

(15)Ostreidae

71Crassostrea rivularis(Gould)

72Saccostrea cucullata (Born, 1778)

73Ostrea cucullta

Unionida

(16)Amblemidae

74Lamportula pomderosa Dautenberg et Fischer

75Lamprotula contritus (Heude)

76Oynaia micheloti (Morlet)

77Oynaia jourdyi (Morlet)

78Lamportula leai (Gray)

79Pseudodon resupinatus Martens

80Lamprotula blaisei (Heude)

Discopoda

(17)Littorinidae

82Littoraria scabra (Linn)

(18)Unionidae

82Sinanodonta elliptica (Heude)

83Pletholophus discoideus (Lea)

Trong , loi c bu vng Pomacea canaliculata (Lamarck, 1828) l loi c ngun gc Trung - Nam M, c xp vo nhm 100 loi xm hi nguy him nht th gii xut hin kh ph bin. Do vy, cn c k hoch nghin cu c gii php x l, hn ch s pht trin ca loi c bu vng.1.3.2. S lng c th trong mt n v din tch

Kt qu phn tch nh lng ng vt y cho thy, s lng c th trung bnh ca 51 im quan trc 24,55 c th/m2, dao ng t 8 - 42 c th/m2. S lng c th cao nht ti ca Lch Bng, Hi Bnh, Tnh Gia trung bnh 35 c th/m2, thp nht ti Ca ly nc nui tm x a Lc, huyn Hu Lc trung bnh 14 c th/m2.

1.3.3. Ch s a dng sinh hc

Bng ch s ASPT ti cc im kho st dao ng trong khong 3.0 6.16 trung bnh l 4,63 (nc bn va - ( Mesosaprobe). Ch s ASPT ca cc a im thu mu kh tng ng vi cht lng mi trng nc, ch s ny cao nht ti Thng ngun p Bi Thng, huyn Th Xun vi gi tr trung bnh l 5,76, thp nht ti im thu mu ca Lch Bng, huyn Tnh Gia vi gi tr trung bnh l 3,47 (bng 7). Nh vy, ch s ASPT ti cc im quan trc tng i thp chng t mi trng nc ang b nhim.Bng 7: Ch s BMWP v ASPT ti 17 im kho st

STTa imK hiu muim BMWPS hASPT

1a Lc, Hu Lc, Thanh HaVN L-3.10194

VN L-3.111334,33

VN L-3.121234,00

2Ca Lch Cn, Nga Tn, Nga Sn, Thanh HaVN L-3.11853,60

VN L-3.21953,80

VN L-3.32063,33

3Ca ly nc nui tm x Nga Thy, Nga Sn, Thanh HaVN L-3.42555,00

VN L-3.53265,33

VN L-3.62454,80

4Ca Lch Sung, a Lc, Hu Lc, Thanh HaVN L-3.72263,67

VN L-3.82874,00

VN L-3.92573,57

5Ng ba Bng, Hong Khnh, Hong Ha, Thanh HaVN L-3.134695,11

VN L-3.144595,00

VN L-3.153575,00

6Ca Lch Trng, Hong Trng, Hong Ha, Thanh HaVN L-3.161844,50

VN L-3.173165,17

VN L-3.182454,80

7Hong Ph, Hong Ha, Thanh HaVN L-3.193474,80

VN L-3.203474,80

VN L-3.213165,10

8Ca Lch Hi, Qung Tin, Th x Sm Sn, Thanh HaVN L-3.221543,70

VN L-3.231443,50

VN L-3.241543,70

9Qung Vng, Qung Xng, Thanh HaVN L-3.252363,83

VN L-3.262054,00

VN L-3.271644,00

10X Trng Giang, Nng Cng, Thanh HaVN L-3.283684,50

VN L-3.293374,70

VN L-3.303374,70

11H Yn M, Yn M, Nng Cng, Thanh HaVN L-3.314895,33

VN L-3.324394,77

VN L-3.334175,85

12Ca Lch Ghp, Hi Ninh, Tnh Gia, Thanh HaVN L-3.343474,85

VN L-3.353474,85

VN L-3.362555,00

13Ca Lch Bng, Hi Bnh, Tnh Gia, Thanh HaVN L-3.371853,60

VN L-3.381953,80

VN L-3.391553,00

14Cng Nghi Sn, Nghi Sn, Tnh Gia, Thanh HaVN L-3.401635,30

VN L-3.412145,25

VN L-3.422454,80

15H Sng Mc, Hi Vn, Nh Thanh, Thanh HaVN L-3.433165,16

VN L-3.444185,12

VN L-3.454185,12

16Thng ngun p Bi Thng, Xun Bi, Thng Xun, Thanh HaVN L-3.464285,25

VN L-3.474175,86

VN L-3.483766,16

17H lu p Bi Thng (cch p 2km), Mc Sn, Th Xun, Thanh Ha VN L-3.493065,00

VN L-3.502955,80

VN L-3.513365,50

Trn y l kt qu thu thp v phn tch vt mu ti 17 im thu mu trn a bn tnh Thanh Ha t 1 nm 2012. Kt qu ch s ASPT cho thy, ti mt s a im kho st, ngun nc mt ang c nguy c b nhim, do cn xut cc gii php x l sm gim thiu ti u tnh trng ny.

2. Kt qu quan trc thc vt bc cao gim st s thay i, bin ng ca cc h sinh thi rng do tc ng ca cc yu t mi trng. Trung tm Quan trc v BVMT Thanh Ha tin hnh quan trc h thc vt bc cao ti 5 tiu chun ti cc im: Khu BTTN P Lung (20027,266 N; 105014,618 E); Khu BTTN P Hu (20027,433 N; 104046686E); Khu BTTN Xun Lin (190 5821,3N; 1050 259,1E); VQG Bn En (19051'17'' N; 105043'11,9'' E) v rng ngp mn Nga Tn (19057'38'' N; 10600'30,4''E).

2.1. Thnh phn loi thc vt bc cao

Khu BTTN P Lung

Phn tch thnh phn loi trong tiu chun cho thy trn mt n v din tch 1ha c 46 loi, 38 chi, 29 h thuc 2 ngnh thc vt bc cao c mch l ngnh Dng x - Polypodiophyta v ngnh Ngc lan Magnoliophyta. Trong tng s 46 loi th c 31 loi cy g c ng knh ln hn hoc bng 10cm tham gia to nn cu trc chnh ca thm thc vt trong tiu chun Bng 8. Danh sch thnh phn loi cu trc nn tiu chun ti KBTTN P Lung

TTTn Khoa hcTn Vit NamCy g 10cmCy ti sinhCy bi thm tiCy ngoi tng

I. PolypodiophytaNgnh Dng x

1. PteridaceaeH Rng chn x

1. Pteris sp.x

II. MagnoliophytaNgnh Ngc lan

A. MagnoliopsidaLp Ngc lan

2. AcanthaceaeH r

2. Strobilanthes evardii Benn.Chu hoa evrardx

3. AnacardiaceaeH Xoi

3. Semecarpus annamensis TardieuSng trung bx

4. AnnonaceaeH Na

4. Polyalthia cerasoides (Roxb.) Bedd.Nhcxx

5. AquifoliaceaeH Bi

5. Ilex kaushue S. H. HuCh khx

6. AraliaceaeH Nhn sm

6. Schefflera octophylla (Lour.) HarmsChn chimx

7. Schefflera octophylla (Lour.) HarmsChn chimx

7. BurseraceaeH Trm

8. Canarium album RaeuschTrmx

8. CaesalpiniaceaeH Vang

9. Gleditsia fera (Lour.) Merr.B ktx

10. Pelthophorum tonkinensis A. Chev.Lim xtx

9. ClusiaceaeH Ba

11. Garcinia oblongifolia Champ. ex Benth.Ba l thunx

10. ElaeocarpaceaeH Cm

12. Elaeocarpus apiculatus Mast. in Hook.f.Cm mix

13. Elaeocarpus griffithii (Wight) A.Gray.Cm tngxx

14. Elaeocarpus prunifolius Wall. Cm l mnx

11. EuphorbiaceaeH Thu du

15. Croton tiglium L.Ba uxx

12. FabaceaeH u

16. Vigna dalzelliana (Kuntze) Verdc. var. dalzellianau arex

17. Vigna umbellata (Thunb.) Ohwi et Ohashi var. umbellatau nho nhex

13. FagaceaeH D

18. Lithocarpus cerebrinus (Hickel et A.Camus) A.CamusD phngxx

19. Lithocarpus ducampii (Hickel et A. Camus) CamusD x

20. Lithocarpus fissus (Champ. ex Benth.) A.CamusD chx

14. LauraceaeH Long no

21. Phoebe tavoyana Hook.f.Kho sx

15. MagnoliaceaeH Ngc lan

22. Manglietia glauca BlumeMx

16. MelastomataceaeH Mua

23. Melastoma malabathrica L.Mua da hungx

17. MeliaceaeH Xoan

24. Chisocheton thorelii PierreQuch thorelx

18. MimosaceaeH Trinh n

25. Acacia pennata Willd. Dy sng rnx

26. Archidendron lucidum Benth. Mn a tru

19. MenispermaceaeH Tit d

27. Pericampylus glaucus (Lam.) Merr.Dy chu o/Tit d l dyx

28. Stephania japonica (Thunb.) MiersDy li tinx

20. MyrtaceaeH Sim

29. Rhodomurtus tomentosa (Aiton) Hassk.Simxx

30. Syzygium cumini (L.) SkellsVi rngx

31. Syzygium levinei (Merr.) Merr. et PerryTrm nix

21. OleaceaeH Nhi

32. Jasminum longipetalum King et GambleNhi cnh dix

22. RanunculiaceaeH Mao lng

33. Clematis granulata (Fin. & Gagn.) OhwiDy vng trngx

23. RutaceaeH Cam

34. Acronychia pedunculata (L.) Miq.B bi/Bi bungx

35. Zanthoxylum avicenniae (Lamk.) DC.Mung trungx

24. SapindaceaeH B hn

36. Nephelium melliferum Gagnep.Trng vix

37. Nephelium cuspidatum Blume var. bassacensis (Pierre) Leenh.Chm chmx

38. Paviesia annamensis PierreVi rngx

25. SterculiaceaeH Trm

39. Byttneria aspera Colebr. Bch n nhnx

26. StyracaceaeH B

40. Styrax tonkinensis (Pierre) Craib ex Hardw.B trngx

27. TheaceaeH Ch

41. Eurya trichocarpa Korth.Sm lngx

28. UlmaceaeH Su

42. Celtis tetrandra Roxb.Sn bn nhx

43. Tremna orientalis (L.) BlumeHu enx

B. LiliopsidaLp Hnh

29. ZingiberaceaeH Gng ring

44. Alpinia globosa (Lour.) Horan.Sx

45. Alpinia blepharocalyx K. Schum.Ring di lng mpx

Cha phn loi

46. sp192.Cy tinx

Tng s loi theo cu trc31377

Khu BTTN P Hu

Thnh phn loi trong tiu chun c 48 loi, 39 chi, 28 h thuc 2 ngnh thc vt bc cao c mch l ngnh Dng x - Polypodiophyta v ngnh Ngc lan Magnoliophyta. Trong tng s 48 loi th c 35 loi cy g c ng knh ln hn hoc bng 10cm tham gia to nn cu trc chnh ca thm thc vt trong tiu chun Bng 9. Danh sch thnh phn loi cu trc nn tiu chun ti KBTTN P Hu

TTTn Khoa hcTn Vit NamCy g DBH

10cmCy ti sinhCy bi thm tiNgoi tng


1. AdiantaceaeH Nguyt x

1. Cheilanthes tenuifolia (Burm.f.) Sw.Rng c mi l mnhx

2. AspleniaceaeH o khin

2. Asplenium normale D.DonT iu thngx

3. GleicheniaceaeH Rng Ty sn

3. Dicranopteris linearis (Burm.) Underw.Gutx

4. PteridaceaeH Rng so g

4. Pteris ensiformis Burm.f.Rng so g thngx



5. ApocynaceaeH Trc o

5. Alstonia scholaris (L.) R. Br.Hoa sax

6. BegoniaceaeH Thu hi ng

6. Begonia laciniata Roxb.Chua khanxx

7. BombacaceaeH Go

7. Bombax ceiba L.Gox

8. BurseraceaeH Trm

8. Canarium album RaeuschTrm trngx

9. Canarium tramdenum T. .Dai et YakovlevTrm enx


10. Gleditsia fera (Lour.) Merr.B ktx

11. Pelthophorum tonkinensis A. Chev.Lim xtxx

10. ClusiaceaeH Ba

12. Garcinia oblongifolia Champ. ex Benth.Ba l thunx

11. DipterocarpaceaeH Sao du

13. Hoppea odorata Roxb.Sao enx


14. Elaeocarpus floribundus BlumeCm trux


15. Aleurites fordii Hemsl.Trux

16. Baccaurea ramiflora Lour.Du dax

14. FabaceaeH u

17. Ormosia balansae DrakeRng rng mtx

15. FagaceaeH D

18. Castanopsis fissoides Chun et P.H.HD hongxx

19. Lithocarpus sp1.Dx

20. Lithocarpus sp2.D trngx


21. Cinnamomum cambodianum LecomteRe cambtx

22.


23. Magnolia dandyi Gagnep.Vng tmx


24. Archidendron balansae (Oliv.) I.C.NielsenCt ngax

25. Archidendron clypearia (Jack.) I.C.NielsenMn ax

26. Archidendron lucidum Benth. Mn a trux

19. MoraceaeH Du tm

27. Artocarpus styracifolius PierreV chayx

28. Ficus auriculata Lour.Vx

29. Ficus sp1.x

20. MyrtaceaeH Sim

30. Syzygium boisianum (Gagnep.) Merr. et PerryTrm boisx


21. RutaceaeH Cam


22. SapotaceaeH Hng xim

33. Madhuca pasquieri H. Lec.Snx


34. Pterospermum angustifolium TardieuLng mang l hpx

35. Pterospermium sp1.Lng mangx

36. Sterculia lanceolata Cav.Sang sx

24. StyracaceaeH B

37. Styrax agrestis (Lour.) G.DonB x


25. UlmaceaeH Du

39. Gironniera cuspidata (Blume) Planch. ex KurzNgt trnx

40. Tremna orientalis (L.) BlumeHu enx

B. LiliopsidaLp Hnh

26. DioscoreaceaeH C nu

41. Dioscorea cirrhosa Prain et BurkillC nux

27. OrchidaceaeH Lan

42. Coelogyne lawrenceana Rolfe.x

43. Cymbidium aloifolium (L.) Sw.Lan kimx

28. ZingiberaceaeH Gng ring

44. Alpinia blepharocalyx K. Schum.Ring di lng mpx

45. Amomum villosum Lour. (A. echinosphaerum K. Schum. ex Gagnep.) Sa nhnx


Khu BTTN Xun Lin

Thnh phn loi trong tiu chun c 65 loi, 46 chi, 33 h thuc 2 ngnh thc vt bc cao c mch l ngnh Dng x - Polypodiophyta v ngnh Ngc lan Magnoliophyta. Trong tng s 65 loi th c 59 loi cy g c ng knh ln hn hoc bng 10cm tham gia to nn cu trc chnh ca thm thc vt trong tiu chun Bng 10. Danh sch thnh phn loi cu trc nn tiu chun ti KBTTN Xun Lin




1. AdiantacaeaH Nguyt x

1. Cheilanthes tenuifolia (Burm.f.) Sw.Rng c mi l mnhx

2. BlechnaceaeH Rng l da

2. Blechnum orientale L.Rng l da thngx

3. ThelypteridaceaeH Rng th dc

3. Thelypteris lebeufii (Baker) PanigrahiRng th dc L - bpx



4. ActinidiaceaeH Nng

4. Saurauja fasciculata Wall.Nngx


5. Semecarpus annamensis TardieuSng trung bx

6. ApocynaceaeH Trc o

6. Alstonia scholaris (L.) R. Br.Sax

7. Wrightia annamensis Eberh. et Dub.Thng mcx

7. BombacaceaeH Go

8. Bombax ceiba L.Gox

8. BurseraceaeH Trm

9. Canarium album RaeuschTrm trngxx

10. Canarium bengalense Roxb.Trm hngx


11. Bauhinia sp1.Ban banx


10. DilleniaceaeH S

13. Dillenia indica L.S nx

11. EbenaceaeH Th

14. Diospyros apiculata Hieron.Th nh nix

15. Diospyros roxburghii Carr.Th hngx


16. Elaeocarpus harmandii PierreCm nnx

17. Elaeocarpus lanceifolius Roxb.Cm bngx


18. Aleurites fordii Hemsl.Truxx

19. Aleurites molluccana (L.) Willd.Laix

20. Baccaurea ramiflora Lour.Giu da tx

21. Deutzianthus tonkinensis Gagnep.Mx

22. Macaranga denticulata Muell.-Arg.Ba soix

14. FabaceaeH u

23. Ormosia balansae DrakeRng rng mtxx

24. Ormosia semicastrata HanceRng rng l vix

15. FagaceaeH D

25. Lithocarpus finetii (Hickel et A.Camus) A. CamusGi u cngxx


26. Cinnamomum bejolghota (Buch.-Ham. ex Nees) Sweetx

27. Cinnamomum glaucescens (Nees) DruryR mcx


28. Magnolia dandyi Gagnep.Vng tmx

18. MeliaceaeH Xoan

29. Aglaia gigantea PellegrinGi npx

30. Chukrasia tabularis A.Juss.Lt hoax

31. Melia azedarach L.Xoanx

19. MenispermaceaeH Tit d

32. Stephania japonica (Thunb.) MiersDy li tinx


33. Archidendron balansae (Oliv.) I.C.NielsenCt ngax

34. Archidendron clypearia (Jack.) I.C.NielsenMn ax


36. Pithecellobium clypearia Benth. var. acuminatum Gagnep. Mn ax

21. MoraceaeH Du tm


38. Ficus auriculata Lour.Vi rngx

39. Ficus costata AitonSung sngx

40. Ficus curtipes Cornera bxx

41. Ficus gladulifera Wall.Sungx

42. Ficus racemosa L.Sungx

43. Ficus sp.Sungx

22. MyrtaceaeH Sim


45. Syzygium jambos (L.) AlstonRoix

23. RubiaceaeH C ph

46. Adina cordifolia (Roxb.) Hook.f.Go vngx

47. Nauclea orientalis (L.) L.Gox

24. RutaceaeH Cam chanh



49. Nephelium cuspidatum Blume Chm chmx

26. SonneratiaceaeH Bn

50. Duabanga grandiflora (Roxb. ex DC.) Walp.Phayx



52. Pterospermum diversifolium BlumeLng mang l a dng/Lng mang xx

53. Pterospermum heterophyllum HanceLng mang l khcx

54. Sterculia lanceolata Cav.Sang sx

28. StyracaceaeH B

55. Styrax agrestis (Lour.) G.DonB x


29. TheaceaeH Ch

57. Camellia sinensis (L.) KuntzeChx

58. Camellia tsaii HuCh hoa vngxx

30. TiliaceaeH ay

59. Grewia asiatica L.C ke x

60. Grewia paniculata Roxb. ex DC.C kex

31. UlmaceaeH Su, Du

61. Celtis orientalis Thunb.Su phng ngx

62. Gironniera cuspidata (Blume) Planch. ex KurzNgt trnx

63. Trema orientalis (L.) BlumeHu enx

B. LiliopsidaLp Hnh

32. OrchidaceaeH Lan


33. ZingiberaceaeH Gng

65. Amomum villosum Lour. Sa nhnx


VQG Bn En

Thnh phn loi trong tiu chun c 54 loi, 36 chi, 23 h thuc ngnh Ngc lan Magnoliophyta. Trong tng s 54 loi th c 53 loi cy g c ng knh ln hn hoc bng 10cm tham gia to nn cu trc chnh ca thm thc vt trong tiu chun.Bng 11. Danh sch thnh phn loi cu trc nn tiu chun ti Vn Quc gia Bn En



MagnolophytaNgnh Ngc lan

MagnoliopsidaLp Ngc lan

1. BurseraceaeH Trm

1. Canarium album RaeuschTrm trngx

2. Garuga pinnata Roxb. Trm chimx


3. Bauhinia purpurea L.Banx


3. DipterocarpaceaeH Sao du

5. Vatica odorata subsp. brevipetiolata Pham Hoang.Tux


6. Elaeocarpus griffithii (Wight) A.Gray.Cm tngx


7. Aleurites fordii Hemsl.Trux

8. Endospermum chinense Benth.Vnx

9. Sapium discolor (Benth.) Muell.-ArgentXix

6. FabaceaeH u

10. Ormosia balansae DrakeRng rng mtx

7. FagaceaeH D

11. Castanopsis fissoides Chun et P.H.HD hongx

12. Castanopsis indica (Roxb.) A.DC.D gai n x

13. Lithocarpus cerebrinus (Hickel et A.Camus) A.CamusD/ Gi c inhx

14. Lithocarpus ducampii (Hickel et A. Camus) CamusD x

15. Lithocarpus finetii (Hickel et A.Camus) A. CamusGi u cngx

8. FlacourtiaceaeH Mng qun

16. Flacourtia rukkam Zoll.et MoreGaix


17. Actinodaphne pilosa (Lour.) Merr.Bp lngx

18. Cinnamomum bejolghota (Buch.-Ham. ex Nees) Sweetx

19. Cinnamomum burmannii (Nees et Nees) BlumeQu trnx

20. Cinnamomum cambodianum LecomteRe cambtx

21. Cinnamomum cassia (Ness) Ness et Eberh.Qu thanhx

22. Cinnamomum glaucescens (Nees) DruryR mcx

23. Cinnamomum iners Reinw.Qu rngx

24. Cinnamomum litseafolium Thw.Re bpx

25. Cinnamomum verum PreslQu rnhx


26. Manglietia insignis (Wall.) BlumeGii x

11. MeliaceaeH Xoan

27. Aglaia gigantea Pellegrin Gi npx

28. Chukrasia tabularis A.Juss.Lt hoax


29. Archidendron chevalieri (Kost) I. Neils Mn a chevalierx


31. Erythrophleum fordii OliverLim xanhx

13. MoraceaeH Du tm

32. Artocarpus nitidus Tre'culMt max


34. Artocarpus tonkinensis A. Chev.Chay bc bx

35. Ficus racemosa L.Sungx

14. MyristicaceaeH Mu ch

36. Knema conferta Warb.Mu chx


37. Mangifera flava EvrardXoi rngx

16. MyrtaceaeH Sim


39. Syzygium formosum (Wall.) MassaTrm l chm bax

17. RutaceaeH Cam



41. Paviesia annamensis PierreTrng mtx



43. Pterospermum grandiflorum CraibLng mang hoa tox

44. Pterospermum heterophyllum HanceLng mang l khcx

45. Pterospermum lancaefolium Roxb.Lng mang thonx

46. Pterospermum sp2.Trng mangx

47. Sterculia tonkinense A.DC.Trm bc bx

20. Tiliaceae H ay

48. Colona scabra (A.DC.) Gagnep.B an nhmx

49. Grewia paniculata Roxb. ex DC.C kex

21. UlmaceaeH Su, du

50. Trema orientalis (L.) BlumeHu enx

22. VerbenaceaeH C roi nga

51. Vitex trifolia L.nx

23.OrchidaceaeH Lan


53. Sp153.nx

54. Sp90Sung l tox


Rng ngp mn Nga Tn

Thnh phn loi trong tiu chun c 2 loi, 2 chi, 2 h thuc ngnh Ngc lan Magnoliophyta. Do c trng sinh thi ca rng ngp mn nn trong tiu chun nghin cu ch c duy nht 1 loi l loi Bn chua - Sonneratia caseolaris (L.) Engl.) vi 45 c th cu trc nn thm thc vt trong tiu chun ny.Bng 12: Danh sch thnh phn loi cu trc nn tiu chun ti rng ngp mn Nga Tn, Nga SnTTTn Khoa hcTn Vit NamCy g DBH


MagnolophytaNgnh Ngc lan

MagnoliopsidaLp Ngc lan

1. AcanthaceaeH r

1Acanthus icilifolius L. rx

2. SonneratiaceaeH Bnx

2Sonneratia caseolaris (L.) Engl.Bn chua


2.2. che ph

Phn tch che ph cho thy: Khu BTTN P Lung: 75% (0.75); Khu BTTN P Hu: 70% (0.7); Khu BTTN Xun Lin: 75% (0.75); VQG Bn En: 80% (0.8) v rng ngp mn Nga Tn: 60% (0.6).

2.3. Cu trc v cc kiu thm ti cc im quan trc

KBTTN P Lung

Kt qu iu tra kho st ti KBTTN P Lung cho thy ti im quan trc kiu thm thc vt c trng tn ti loi hnh rng l rng t thp trn phin thch, sa thch v t st cao 230 260m. Thnh phn loi chim u th l Cm l mn - Elaeocarpus prunifolius Wall.; D phng - Lithocarpus cerebrinus (Hickel et A.Camus) A.Camus; Sng trung b - Semecarpus annamensis Tardieu v Vi rng - Syzygium cumini (L.) Skells. Chiu cao trung bnh ca tng cy g t 10 12m. Hin trng cho thy thm thc vt ti im quan trc ang trong qu trnh phc hi tt vi mc khp tn 75%.

KBTTN P Hu

Kt qu kho st thc a v lp tiu chun ti v tr quan trc cho thy ti y tn ti kiu hnh rng thng xanh trn t thp phn b cao di 700m b tc ng mnh ang trong qu trnh phc hi. Thnh phn loi cy chim u th l mt s loi D trong tri nht l loi D hong - Castanopsis fissoides Chun et P.H.H v Cm tru - Elaeocarpus floribundus Blume, cc loi thuc chi Ct nga/mn a Archidendron spp. Chiu cao trung bnh ca tng cy g trong tiu chun t 14 17m. Hin trng thm thc vt c che ph 75%, y l thm thc vt ang trong qu trnh phc hi sau khi b tc ng mnh.

KBTTN Xun Lin

Kho st ti tiu chun cho thy ti v tr quan trc kiu rng kn thng xanh trn t thp vi cc loi chim u th l Tru- Aleurites fordii Hemsl., cc loi thuc chi Sung Ficus spp., Ba soi - Macaranga denticulata Muell.-Arg., Rng rng l vi - Ormosia semicastrata Hance v cc loi thuc chi Lng mang Pterocarpus spp. Chiu cao trung bnh ca cc loi cy g t 15 17m vi che ph 75% cho thy kiu thm phc hi tt v bt u n nh v cu trc thnh phn loi. Hin ti ti v tr quan trc cng nh khu vc ln cn ang b tc ng do qu trnh cht cy ly g ca ngi dn a phng, cn c bin php bo v kp thi.VQG Bn En

Ti v tr quan trc tiu chun tn ti kiu rng thng xanh cy l rng trn t thp b tc ng ang trong giai on khoanh nui phc hi vi cc loi thc vt ch yu l l B bi - Acronychia pedunculata (L.) Miq, Ban - Bauhinia purpurea L, Trm trng - Canarium album Raeusch, D hong - Castanopsis fissoides Chun et P.H.H, cc loi Re Cinnamomum spp., Lng mang l khc - Pterospermum heterophyllum Hance, Lng mang thon - Pterospermum lancaefolium Roxb, Vi rng - Syzygium cumini (L.) Skells, n - Vitex trifolia L. Chiu cao trung bnh 9 12m, che ph 80%, iu ny th hin y l kiu thm b tc ng ang trong giai on phc hi, cc loi cy tuy cn nh v chiu cao v ng knh thn nhng t rng tn tt nng cao che ph ca tng cy g. Cn khoanh nui bo v pht trin n nh thnh phn loi v nng cao tng tn cho cc tng khc trong cu trc rng pht trin lm tng a dng thnh phn loi.

Rng ngp mn Nga Tn (Nga Sn)

y l loi hnh rng c trng cho kiu thm thc vt cy ngp mn ven bin. Nm trong tiu vng t mi Sn n ca Lch Trng (vng 2 Phan Nguyn Hng 1993) nn thnh phn loi cy g c trng l loi bn chua (Sonneratia caseolaris (L.) Engl.). chiu cao trung bnh 7 8m. Tng thm ti ch yu l r (Acanthus icilifolius). y l kiu thm thc vt c trng ca vng t ngp mn, hin thm ang pht trin n nh v thc hin tt cc chc nng phng h chn sng, chng xi l v to sinh cnh sng cho cc loi thy hi sn ven bin vo sinh sn v pht trin.

III. KT LUN V KIN NGH

3.1. Kt lun

T kt qu phn tch mu vt v x l s liu thu c t t quan trc ln I nm 2012 chng ti a ra mt s kt lun nh sau:- H sinh thi thy vc

+Thnh phn loi

- Nhm thc vt ni: xc nh c 164 loi thc vt ni thuc 7 ngnh l To Lam (Cyanophyta), To Silic (Bacillariophyta), To Lc (Chlorophyta), To Mt (Euglenophyta) v to gip (Pyrrophyta), To di no (Dinophyta) v Vi khun Lam (Cyanobacteriophyta). Trong 7 ngnh to xc nh c th To Lc c s lng loi cao nht c 56 loi chim 34,15%, tip n l to Silic (c 39 loi, chim 23,78%), to Lam c 31 loi chim 18,91%, Vi khun Lam c 11 loi chim 6,70%, to Mt c 15 loi chim 9,14% to Gip c 9 loi chim 5,38% v To Dino c 3 loi chim 1,82%.

- Nhm ng vt ni: xc nh c 81 loi ng vt ph du thuc 20 h (bng 3). Thnh phn ng vt ph du ch yu tp trung vo lp Gip xc (Crustacera) thuc ngnh Chn khp (Arthropoda) c 52 loi chim 64,19%. Ngnh Trng bnh xe c 29 loi chim 35,81% thuc lp Monogononta. - Nhm ng vt y: xc nh c 83 loi thuc 18 h, 2 ngnh l Chn Khp (Arthropoda) c 30 loi chim 36,1% v Thn mm (Mollusca) c 53 loi chim 63,9%+ V mt v sinh khi

- Nhm thc vt ni: Mt thc vt ni ti cc thy vc dao ng trong khong t 64.100 130.400 t bo/lt n 91.450tb/lt. Cao nht ti ca ly nc nui tm x Trng Giang, Nng Cng v thp nht ti Cng Nghi Sn, Tnh Gia.- Nhm ng vt ni: Mt ng vt ph du ti 17 v tr quan trc dao ng t 17.500 c th/m3 n 34.500 c c th/m3. Trong , mt ng vt ni thp nht ti v tr ca ly nc nui tm x Hi Ninh, huyn Tnh Gia vi mt trung bnh l 17.500 c th c th/m3, cao nht ti ca Lch Bng, Hi Bnh, Tnh Gia vi mt trung bnh l 34.500 c th/m3. - Nhm ng vt y: Mt ng vt y ti cc im quan trc bin ng t 8 - 42c th/m2. Mt c th cao nht ti Ca Lch Bng, Tnh Gia trung bnh 35 c th/m2, thp nht ti Ca ly nc nui tm x a Lc, Hu Lc trung bnh 14 c th/m2.

+ V ch s a dng loi

Ch s a dng sinh hc (H) ca thc vt ni ti 17 im thu mu trung bnh l 3,59 (mc a dng sinh hc tt), dao ng trong khong 1,18 n 4,59 (t trung bnh kh n a dng sinh hc tt v rt tt). Ch s H cao nht ti v tr quan trc ca ly nc nui tm x Trng Giang, Nng Cng vi gi tr trung bnh l 4,18 a dng sinh hc mc tt v rt tt v thp nht ti Ca ly nc nui tm x Nga Thy, huyn Nga Sn gi tr trung bnh 2,69 a dng mc trung bnh kh.

Ch s a dng sinh hc (H) ca ng vt ni ti 17 im thu mu trung bnh 2,89 (mc a dng sinh hc trung bnh kh), dao ng trong khong 2,18-3,44 (t trung bnh kh n a dng sinh hc tt v rt tt). Ch s H cao nht ti Ca Lch Cn, x Nga Tn, Nga Sn vi gi tr trung bnh l 3,44 a dng sinh hc tt v rt tt v thp nht ti H Sng Mc, Hi Vn, Nh Thanh vi gi tr trung bnh l 2,18 a dng sinh hc mc trung bnh kh.Ch s ASPT ti cc im kho st dao ng trong khong 3,0 6,16 trung bnh l 4,63 (nc bn va - ( Mesosaprobe). Cao nht tiThng ngun p Bi Thng, huyn Th Xun vi gi tr trung bnh l 5,76, thp nht ti im thu mu ca Lch Bng, huyn Tnh Gia vi gi tr trung bnh l 3,47. Nh vy, ch s ASPT tng i thp mc iu ny chng t ngun nc ti cc khu vc ny ang b nhim. - H sinh thi rng

Khu BTTN P Lung

Phn tch thnh phn loi trong tiu chun cho thy trn mt n v din tch 1ha c 46 loi, 38 chi, 29 h thuc 2 ngnh thc vt bc cao c mch l ngnh Dng x - Polypodiophyta v ngnh Ngc lan Magnoliophyta. Trong tng s 46 loi th c 31 loi cy g c ng knh ln hn hoc bng 10cm tham gia to nn cu trc chnh ca thm thc vt trong tiu chun Khu BTTN P Hu

Thnh phn loi trong tiu chun c 48 loi, 39 chi, 28 h thuc 2 ngnh thc vt bc cao c mch l ngnh Dng x - Polypodiophyta v ngnh Ngc lan Magnoliophyta. Trong tng s 48 loi th c 36 loi cy g c ng knh ln hn hoc bng 10cm tham gia to nn cu trc chnh ca thm thc vt trong tiu chun.

Khu BTTN Xun Lin

Thnh phn loi trong tiu chun c 67 loi, 46 chi, 33 h thuc 2 ngnh thc vt bc cao c mch l ngnh Dng x - Polypodiophyta v ngnh Ngc lan Magnoliophyta. Trong tng s 67 loi th c 59 loi cy g c ng knh ln hn hoc bng 10cm tham gia to nn cu trc chnh ca thm thc vt trong tiu chun.

VQG Bn En

Thnh phn loi trong tiu chun c 56 loi, 36 chi, 22 h thuc ngnh Ngc lan Magnoliophyta v cng l s lng loi cy g c ng knh ln hn hoc bng 10cm tham gia to nn cu trc chnh ca thm thc vt trong tiu chun .

Rng ngp mn Nga Tn

Thnh phn loi trong tiu chun c 2 loi, 2 chi, 2 h thuc ngnh Ngc lan Magnoliophyta. Do c trng sinh thi ca rng ngp mn nn trong tiu chun nghin cu ch c duy nht 1 loi l loi Bn chua - Sonneratia caseolaris (L.) Engl. vi 45 c th cu trc nn thm thc vt trong tiu chun ny.

3.2. Kin ngh

- H sinh thi thy vc cn tin hnh quan trc thng xuyn, theo di nhng bin ng bt thng cng nh quy lut bin ng mi trng v qun x thy sinh vt. Qua c th xut bin php khc phc, hn ch cc hot ng nhn tc n mi trng, bo v ngun nc ni chung cng nh s cn bng h sinh thi thu vc c hiu qu hn.

- Bn cnh qun x thy sinh vt cn kt hp vi quan trc cc thng s ha l theo di mc nhim ca mi trng nc, kp thi a ra nhng cnh bo v nhim v a ra cc bin php x l nhim ngun nc v phc hi ngun li thy sinh.

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BC DDSH Lần 1 2012_Thanh Hoa

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