一二郎池ビオトープ化案

15 12

2 2 2 1 1 1 1

1. 2. 2.1 2.2 2.1 2.3 1

14 2

3 2003 6 11 6. (P.25) 3.1 3.1.1 150 25 2200 20cm 50cm 3.1.2 3.1.3 2003 6 15 P.25 COD (P. 3

) 14.0mg/L ( ) 25.7mg/L C 8mg/L C ( ) ( ) COD ( ) DO( ) 3.47mg/L4.90mg/L C (2mg/L ) B (5mg/L ) 5mg/L TN 0.66mg/L 2.47mg/L V 1mgN/L TP V V COD SS ( ) 4

3.2 2003 11 11 ( ) () 3.3 2 5

11 3.4 ( ) 40m 1880 ( ) 2003.1.22 http://www.chemie.org/geo/kfw0301.doc 6

4 4.1 ( 4.1.1) (4.1.2) (4.1.3) 4.1.1.P.3 1 1 ( ) 2 4.1.2 1km 7

4.1.3 8

9

4.2 10

. 70120cm 120150cm ( ) 11

( ) 12

( P.11) ( ) (P.10 ) 23 12 15 20 13

14

15

16

) 17

( ) ( ) ( ) ) ( ) 30~50cm 35~80cm 80~120cm 30~70cm 30~100cm 10~30cm 7 20~40cm 40~60cm 20~50cm 30~40cm 30~40cm 9 1.5~2m m 40~70cm 50~100cm ~m ~m 50~90cm ~m 18

( ) 19

RDB 1999 BOD 20

http://www.city.meguro.tokyo.jp/kankyo/kankyou1.htm 2001 9 17 http://www4.ocn.ne.jp/~medaka21/tokuban.html 4.4 4.4.1 21

P.12 22

4.4.2 23

4.4 (P.21) 24

.1 (1) 2003 10 9 11:0012:00 (2) ( ) ( ) (3) TC( )IC( )TOC( )CODCr( )CODMn( )BOD( )KMnO DO( ) TN( )NH ( )NO ( )NO ( )TP( )PO ( ) ph SS( )Cl ( ) (4) 1 ( ) 25

2 ( ) 3 ( ) 61 () A B 26

C D HPhttp://www.env.go.jp AA A A B B C C IV V 27

.2 2003 6.2.1 3 1 353919 35392513941 281394131.5 3045m 2 28

3 1010 29

(4) 1) 0.9ha 10m10m 2) 2003 11 11 23 15 2 2003 6 15 H16,H17,I16,I17 H16,H17,I16,I17 2003 6 21 E14,E15,F15,F16,F17,G16,G17 2003 9 24 D13,D14 E14,E15,F15,F16,F17,G16 2003 10 1 C12,D12,E13 2003 10 14 D11 2003 10 20 D11 2003 10 21 C11 2003 10 26 C10,D10,E11,E12,F11 C10,D10,E11,E12,F11 9 24 10 21 G17 5) 30

119 A~I 2 1010 sp 2 15 515 25 Braun-Blanquet(1964) 5 6 被度階級 5: 植物体が地上の 75~100% を覆う 31

2003 11 11 BG Plants YListhttp://www.bg.s.u-tokyo.ac.jp/bgplants/ylist_main.html (1997) Equisetaceae Equisetum arvense Dryopteridaceae Dryopteris erythrosora Thelypteridaceae Thelypteris torresiana Woodsiaceae Athyrium niponicum Pinaceae Pinus densiflora Taxodiaceae Cryptomeria japonica Cupressaceae Chamaecyparis pisifera 32

Fagaceae Castanea crenata Quercus myrsinifolia Quercus serrata Ulmaceae Aphananthe aspera Celtis sinensis Pers. var. japonica Zelkova serrata Moraceae Fatoua villosa Humulus scandens Morus australis Urticaceae Boehmeria japonica (L.f.) Miq. va r. longispica (Steud.) Yahara Boehmeria nivea (L.) Gaudich. va r. nipononivea (Koidz.) W.T.Wang Polygonaceae Fallopia japonica Persicaria filiformis Persicaria lapathifolia Persicaria longiseta sp. Polygonacea e sp. Phytolaccaceae Phytolacca americana Caryophyllaceae sp. Stellaria sp. Chenopodiaceae Chenopodium album 33

Amaranthaceae Achyranthes bidentata Blume va r. fauriei (H.Lev. e t Vaniot) Achyranthes bidentata Blume va r. japonica Miq. Schisandraceae Kadsura japonica Lauraceae Cinnamomum camphora sp. Lindera sp. Neolitsea sericea Ranunculaceae Delphinium anthriscifolium sp. Ranunculaceae sp. Lardizabalaceae Akebia quinata Saururaceae Houttuynia cordata Theaceae Camellia japonica Camellia sinensis Cleyera japonica Eurya japonica Papaveraceae Macleaya cordata Saxifragaceae Hydrangea macrophylla (Thunb.) Se r. f. macrophylla Hydrangea macrophylla (Thunb.) Ser. f. normalis (E.H.Wilson) H.Hara Rosaceae Kerria japonica Rubus hirsutus 34

sp. Rosa sp. sp. Rosaceae sp. Leguminosae Pueraria lobata Robinia pseudoacacia Styphonolobium japonicum sp. Trifolium sp. Vicia hirsuta sp. Vicia sp. Wisteria floribunda Oxalidaceae Oxalis corniculata Oxalis debilis Kunth subsp. corymbosa Geraniaceae Geranium carolinianum Euphorbiaceae Mallotu s japonicus Rutaceae Citrus natsudaidai Zanthoxylum piperitum Simaroubaceae Ailanthus altissima Aceraceae Acer palmatum Celastraceae Euonymus japonicus Vitaceae Cayratia japonica 35

Flacourtiaceae Idesia polycarpa Violaceae Viola keiskei Miq. f. barbata Hiyama ex F.Maek Cucurbitaceae Trichosanthes cucumeroides (Ser.) Maxim. ex Franch. et Sav. sp. Cucurbitaceae sp. Cornaceae Aucuba japonica Swida controversa Araliaceae Fatsia japonica Hedera helix Hedera rhombea Umbelliferae Torilis japonica Myrsinaceae Ardisia crenata Ebenaceae sp. Diospyros sp. Oleaceae Fraxinus longicuspis Ligustrum lucidum Rubiaceae Galium spurium L. var. echinospermon (Wallr.) Hayek Convolvulaceae Calystegia pubescens 36

Verbenaceae Callicarpa dichotoma Clerodendrum trichotomum sp. Verbenaceae sp. Acanthaceae Justicia procumbens L. va r. procumbens Caprifoliaceae Lonicera japonica Sambucu s racemosa L. subsp. sieboldiana (Miq.) H.Hara Compositae Bidens frondosa sp. Cirsium sp. Erigeron annuus Erigeron philadelphicus Galinsoga quadriradiata Helianthus tuberosu s Solidago altissima Sonchus oleraceus Youngia japonica sp.1 Compositae sp. sp.2 Compositae sp. Liliaceae Ophiopogon japonicus Iridaceae Iris pseudacorus Commelinaceae Commelina communis Gramineae Avena fatua L. var. glabrata Peterm. sp. Bromus sp. 37

Digitaria ciliaris sp. Festuca sp. Lolium multiflorum Oplismenus undulatifolius Panicum bisulcatum sp.1 Sasa sp. sp.2 Sasa sp. Setaria viridis sp.1 Gramineae sp. sp.2 Gramineae sp. Palmae Trachycarpus fortunei Cyperaceae sp. Cyperus sp. 38

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41

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43

(5) 1) 0 5 2) 3) 4) B3 (-), ( )Coleoptera Cicindelidae 1. Cicindeda kaleea yedoensis 1ex.,18..2003, Carabidae 2. Dolichus halensis 5exs.,15..2003, 3. Amara chalcites 1ex.,15..2003, Scarabaeidae 4. Maladera secreta 1ex.,14..2003, 5. Nipponovalgus angusticollis 1,18..2003, 6. Trichius succinctus 1ex.,21..2003, 7. Rhomborrhina japonica 1ex.,21..2003, 44

Buprestidae 8. Anthaxia proteus 2exs.,26..2003, 9. Chrysobothris succedanea 1,18..2003, ;1ex.,15..2003, 10. Agrilus tempestivus 1ex.,18..2003, 11. Trachys auricollis 1ex.,18..2003, ;1ex.,15..2003, 12. Trachys broussonetiae 4exs.,7..2003, 13. Trachys yanoi 1ex.,26..2003, Coccinellidae 14. Chilocorus kuwanae 1ex.,21..2003, 15. Calvia muiri 1ex.,21..2003, 16. Harmonia axyridis 2exs.,21..2003, 17. Illei s koebelei 1ex.,21..2003, 18. Xanthochroa waterhousei 1,18..2003, 19. Luprops orientalis 1ex.,14..2003, Cerambycidae 20. Cyrtoclytus caproides caproides 1ex.,15..2003, 21. Mesosa longipennis 1,19..2003, Chrysomelidae 22. Pyrrhalta maculicollis 1ex.,15..2003, Anthribidae 23. Euparius oculatus 2exs.,26..2003, 24. Autotropis basipennis 1ex.,18..2003, 25. Rhaphitropis guttifer 1ex.,18..2003, 26. Uncifer truncates 1ex.,26..2003, Curculionidae 27. Eugnathus distinctus 1ex.,15..2003;1ex.,21..2003, 45

( )Hemiptera Scutelleridae 28. Poecilocoris lewisi 1ex.,12..2003, ;1ex.,21..2003, ( )Odonata Platycnemididae 29. Copera annulata 2exs.,21..2003, Orthoptera Tettigoniidae 30. Euconocephalus thunbergi 1ex.,21..2003, Gyllotalpidae 31. Gyllotalpa fossor 1ex.,21..2003, 5) Felis Catus Egretta garzetta Bufo japonicus Cyprinus carpio Pseudothemis zonata Aedes albopictus Procambaru s clarkii 46

6.2.2 7 (1) 1996 2 1 1 3 (2) 1996 2 5 2 2mm (3) 6.2.3 47

. 1996 1996 80 30cm 48

30 31 10 49

3 1997 10 () 50

51