*1 *2 *2 *2 *1 AAqquuaattiicc MMiiccrroo--oorrggaanniissmmss OObbsseerrvveedd aatt KKaaddoo--iikkee PPoonndd RReesseeaarrcchh ooff 22000066--22001199
YOSHINO Kyoji *1, SUZUKI Takeshi *2, SASAKI Keiko *2, SUGIMOTO Fuko *2, TAKEGUCHI Masayuki *1
Abstract: In this study, we reported aquatic micro-organisms observed at Kado-ike pond, an irrigation pond in Numazu City, Shizuoka, in summer of 2006-2019. Kado-ike pond is an eutrophic pond and blue-green algae are blooming. In observation with microscope, 12 genera of unicellular prokaryotes, 70 genera of unicellular eukaryotes including 22 genera of protozoans, 18 genera of multicellular eukaryotes (metazoans), and 1 genus of a higher plant were found. Some micro-organisms of Cyanophyceae, Bacillariophyceae, Chlorophyceae, Oligohymenophorea, Lobosea, Rotatoria, and Branchiopoda were observed relatively frequently. These communities of phytoplankters and zooplankters have been balanced with each other and were thought to keep the ecosystem of this pond.
Key Words: Eutrophication, Kado-ike pond, Plankton, Water quality
1.3 km 13.5 ha5 6 m
7, 8 2006
[1-4]
[5]
*1 Department of Chemistry & Biochemistry *2
Technical Support Division
2006 2019
2006, 2007, 2008, 2009, 2010, 2011, 2016, 2017, 2018, 2019 7 8
2006 2019
1 11 1
37沼津工業高等専門学校研究報告第54号,2020年1月
11 22000066 22001199
class order
genus species
Aphanocapsa sp. 2010, 2016, 2017 A1
Chroococcus sp. 2016, 2017 A2
Synechocystis sp. 2010, 2016 A3
Synechococcus sp. 2016, 2017 A4
Mycrocystis sp.
2006, 2007, 2008, 2009,2010, 2011, 2016, 2018,2019
A5
Merismopedia sp. 2006, 2010, 2016, 2018 A6
Anabaena sp. 2010 A7
Nostoc sp. 2016 A8
Spirulina sp. 2010 A9
Phormidium sp. 2016, 2017 A10
Oscillatoria sp. 2006, 2010, 2016 A11,A12
Planctomycetes Planctomyces sp. 2010 A13
Fragilaria sp. 2010, 2018 B1
Synedra sp. 2010, 2016, 2018, 2019 B2,B3,B4
Gomphonema sp. 2010, 2018, 2019 B5,B6
Cymbella sp. 2007, 2010, 2017, 2018 B7
Bacillariales Nitzschia sp. 2017 B8
Rhopalodia sp. 2010, 2019 B9
Surirella sp. 2019 B10
Aulacoseirales Aulacoseira sp. 2010, 2016, 2017 B11
Melosirales Melosira sp.2010, 2016, 2017, 2018,2019
B12
Thalassiosirales Cyclotella sp. 2016 B13
Tabellariales Diatoma sp. 2010, 2016, 2018, 2019 B14
Pinnularia sp.2010, 2016, 2017, 2018,2019
B15
Neidium sp. 2010 B16
Navicula sp.2009, 2010, 2016, 2018,2019
B17,B18
Diploneis sp. 2010, 2016, 2019 B19
Pennales Cocconeis sp. 2016, 2019 B20
Volvox sp. 2010 C1
Pandorina sp. 2016 C2
Chlamydomonas sp.2010, 2011, 2016, 2017,2019
C3,C4
Eudorina sp. 2010 C5
Gonium sp. 2010 C6
Bacillariophyceae
Fragilariales
Cymbellales
Surirellales
Naviculales
Chlorophyceae Volvocales
Cyanophyceae
Chroococcales
Nostocales
Oscillatoriales
38 沼津工業高等専門学校研究報告 第 54 号
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class order
genus species
Chaetophorales Uronema sp. 2018 C7
Chlorococcales Botryococcus sp. 2010 C8
Oedogoniales Oedogonium sp.2006, 2007, 2009, 2010,2011, 2017, 2018
C9
Staurastrum sp. 2010 C10
Closterium sp. 2010 C11
Zygnematales Spirogyra sp. 2010, 2019 C12
Ankistrodesmus sp. 2010, 2017 C13,C14
Kirchneriella sp. 2010, 2016 C15
Pseudopediastrum sp. 2017 C16
Coelastrum sp. 2010 C17
Schroederia sp. 2010 C18
Tetradesmus sp. 2010 C19
Tetraedron sp. 2010, 2011 C20
Desmodesmus sp. 2006, 2010, 2016, 2018 C21
Scenedesmus sp. 2010 C22
Mychonastes sp. 2010 C23
Selenastrum sp. 2017 C24
Raphidocelis sp. 2010, 2016 C25,C26
Tetrasporales Tetraspora sp. 2006, 2010, 2016, 2017 C27
Actinastrum sp. 2010, 2019 C28
Oocystis sp. 2010, 2011, 2016 C29
Dictyosphaerium sp. 2016 C30
Prototheca sp. 2016 C31
Micractinium sp. 2010 C32
Lagerheimia sp. 2010 C33
Ulvophyceae Siphonocladales Cladophora sp. 2010, 2011, 2019 C34
2017 C35
Phacus sp. 2017, 2019 D1
Colacium sp. 2010 D2,D3
Euglena sp. 2017 D4
Monomorphina sp. 2017 D5
Cryptophyceae Cryptomonadales Chroomonas sp. 2016 D6
Chrysophyceae Synurales Synura sp. 2017 D7
Peritricha Vorticella sp. 2010, 2018 D8
Frontonia sp. 2010 D9
Paramecium sp.2007, 2008, 2009, 2010,2011, 2017, 2018, 2019 D10,D,11,D12,D13
Phytomastigophora Euglenida
OligohymenophoreaPeniculida
Chlorophyceae
Desmidales
Sphaeropleales
Trebouxiophyceae Chlorellales
39門池で観察された水中の微小生物(2006~2019年の調査)
11
class order
genus species
Colpidium sp. 2010 D14
Urocentrum sp. 2018 D15
Colpodea Bursariomorphida Bursaria sp. 2010, 2011 D16
HaptoridaMonodinium sp. 2010, 2017 D17
Dileptida Pelagodileptus sp. 2010 D18
Spirotrichea Euplotida Euplotes sp. 2016, 2018, 2019 D19,D20
Amoebida Amoeba sp.2008, 2009, 2010, 2011,2016, 2018
D21
Schizopyrenida Vahlkampfia sp. 2019 D22
Arcellinida Arcella sp. 2010, 2016, 2018, 2019 D23,D24,D25
Euglyphida Paulinella sp. 2010, 2016 D26
Nucleariida Nuclearia sp. 2010 D27
Nucleohelea Actinophryida Actinophrys sp. 2010 D28
Centrohelea Centrohelida Acanthocystis sp. 2016 D29
Lepadella sp. 2010 E1
Colurella sp. 2010 E2
Lecane sp. 2010 E3
Brachionus sp. 2010, 2018, 2019 E4,E5
Asplanchna sp. 2009, 2010, 2011, 2019 E6
Bdelloidea Rotaria sp. 2010, 2018 E7,E8,E9,E10, E11
Podocopida Ostracoda 2010, 2018, 2019 E12,E13
Cyclopoida Copepoda 2010, 2018, 2019 E13,E14
Alona sp. 2010, 2011, 2017, 2018 E15
Leptodora sp. 2019 E16
Pleuroxus sp. 2018 E17
Chydorus sp. 2010 E18,E19
F1,F2,F3,F4,F5,F6
Nematoda Nematoda Nematoda 2010, 2019 G1
Annelida Oligochaeta Tubifex sp. 2011 G2
Ephemeroptera Ephemera sp. 2007, 2011, 2018 G3
Plecoptera Plecoptera 2011 G4
Diptera Chironomus sp. 2007, 2019 G5
Malacostraca Decapoda Macrura 2010, 2018 G6
Pinopsida Pinales Cryptomeria japonica 2010 H1
Maxillopoda
Branchiopoda Diplostraca
Insecta
Litostomatea
Lobosea
Filosea
RotatoriaPloima
Oligohymenophorea Hymenostomatida
40 沼津工業高等専門学校研究報告 第 54 号
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1
A1 A5A2 A7
A8 A9 A10 A11 A13
B1 B2 B3 B4 B5 B7
B8 B9 B10 B11 B13 B14
B15 B16 B17 B19
C1 C2 C3 C4 C5 C7
C8 C9 C10 C11
C19C17C15
C14C13
C16 C20 C21
C22 C23 C25 C26 C27 C28
A3 A4
B20
A12
B18
C6
C12
C18
C24
A6
B6
B12
41門池で観察された水中の微小生物(2006~2019年の調査)
11
C29 C31 C32 C33 C34
D1 D2 D3 D4 D5 D7
D8 D9 D10 D11 D13 D14
D15 D16 D17 D19 D20
D26
E7
E8 E9 E10 E11 E13 E14
E15 E16 E17
F1 F2 F3 F4 F5
D21
D22 D23 D25
C35
E1 E2 E3 E4 E5
D27 D28
D29
E19
C30
D6
D12
D18
E6
E12
D24
F6
E18
42 沼津工業高等専門学校研究報告 第 54 号
10 12
70 2218 1
4
A11, A12 B2 B4C3, C4 C13, C14
C25, C26 D10 D13D13 2010
D19, D20 D23 D25E7 E11
B6 B18E5
E14
F1 F2 F3, F4F5 F6
[6,7]
[5][8]
pH 9.5
G2G1 G3 G4 G5
H1
G6
11
43門池で観察された水中の微小生物(2006~2019年の調査)
1
Sinictinogomphus clavatusPseudothemis zonata
Orthetrum albistylum speciosumCalopteryx atrata
Macrobrachium sp. Palaemon paucidens Procambarus clarkiiOpsariichthys platypusCarassius cuvieric Cyprinus carpioCarassius buergeri Pseudorasbora parva
Gymnogobius urotaeniaMicropterus sp. Tridentiger sp.Lepomis macrochirus Silurus asotus
Anas platyrhynchos Alcedo atthisEgretta garzetta Phalacrocorax carbo hanedae
20Trachemys scripta elegans
[1] , , (2009): , 4433, 283-286. [2] (2013):
, 2200, 21-29. [3] (2016) : , 4477, 6. [4] , , (2019) :
, 2266, 1-9. [5] (1989) : , 5500, 53-67.
[6] (1973): , 6688, 223-229 [7] 36
, , K, 2019. [8] (2000) : , 6611, 65-77.
44 沼津工業高等専門学校研究報告 第 54 号