Benthic macroinvertebrates
(epifauna) (in fauna)(benthic zone)
(Benthos Benthic organisms)
-
-
(filtering collectors)(gathering collectors)
(Benthos Benthic organisms)
Benthic macro invertebrates)
(Qualitative sampling)
2. (Quantitative sampling)
1.(Shovel
and dredge) Surber-type sampler) (Hand net) (Bottom aquatic kick net)
(Surber-type sampler)
(Bottom aquatic kick net)
( : www.epa.gov)
2.
grabs Ekman grab, Petersen grab Coresampler
Ekman grab Peterson grab
( : www.envco.ro)
3. (Sieve)
10 mesh (2 ) , 20 mesh (800
) 30 mesh (600 )
1.
3
2.
Ekmangrab
3. (Sieve)
Ekmangrab
1. Ephermeroptera 2. Odonata
3. Plecoptera 4. Hemiptera
5. Neuroptera 6. Trichoptera
7. Lepldoptera 8. Coleoptera
9. Diptera
-
EphermerellldaeHeptagenidae Ephermeridae
Polamanthidae
Baetidae
Perlldae Perltoperlidae
Odontoceridae
Goeridae
Calamoceratidae
PhllopotamidaeHydropsychidae
Neuroptera
Corydalidae
Gomphldae Coenagrioniidae
Protoneuride
Euphaeldae
Calopteygidae
1
Gerridae
Nepldae
Naucoridae
Corixidae
Gyrinidae
Dytlscidae
Tipulidae
Simuliidae
25
:
1 1
2 2
3 3
4 4
1.River Watch
:
1 2 3 4 5
River Watch
BMWP Bio-Monitoring Working Party Score
BMWP ScoreBiotic index of Thailand Freshwater
invertebrates Mustow 2002
1. 1
2. 3. 4. 3 2
5. 4 Average Score Per
Taxa:ASPT
ASPT
ASPT
2
BMWP
2548.1
47
http://pirun.ku.ac.th/~fscibtb/download/Pollution_Biology.pdf 11 2554.
benthos http://www.deqp.go.th index.php?option=com_phocadownload&view=section&id=1&Itemid=54
11 2554
.2550
Sharma K. K. and Chowdhary S. 2011. Macroinvertebrate assemblages as biological indicators