第１０号（実画編集）／１林（出雲平野の水路

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1 : Bull. Hoshizaki Green Found: Mar Records on Freshwater Invertebrate and Vertebrate of Irrigation Canal in Izumo-heiya, Shimane Prefecture, Japan Masakazu HAYASHI, Katsuhide YAMAGUCHI, Hiroshi NAKANO, Seiji TERAOKA and Toshiki KOSHIKAWA Hoshizaki Green Foundation, Okinoshima, Sono, Izumo, Shimane Pref.,Japan Abstract Izumo-heiya is a flat around lower rivers of Hii-kawa and Kando-gawa. Many irrigation canals on the flat are habitat of freshwater invertebrate and vertebrate. In,species were found fromsites on the canal and one site of reservoir: four species of Mollusca, six species of Crustacea, species of Insecta, species of Osteichthyes, and two species of Amphibia. The pools connected the irrigation canal are important habitats of the freshwater invertebrate and vertebrate. Key wordsbenthos, freshwater fish, aquatic insect, irrigation canals, Shimane Prefecture

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3 St St St St St St St St St St St St St St St St RDB Cipangopaludina chinensis laeta RDB Corbicula leana Corbicula fluminea RDB Asiagomphus pryeri Nihonogomphus viridis Stylurus nagoyanus RDB Gnathopogon sp. Carassius sp. Rhinogobius sp. Zacco temminckii Zacco platypus RDB RDB Gnathopogon elongatus elongatus Cobitis sp. subsp. Oryzias latipes Cottus pollux Hyla japonica Rana nigromaculata St Tridentiger brevispinis Neocaridina denticulata denticulata Palaemon paucidens Silurus asotus Rhodeus ocellatus ocellatus

4 林成多山口勝秀中野浩史寺岡誠二越川敏樹２３４５６７８９図２９調査地点の写真図２ St ２２図３ St ２２２図４ St ３２６５図５ St ４２６５図６ St ５２２図７ St ６２６６図８ St ７２２図９ St ８２６６４

5 出雲平野の水路における水生生物調査２５年２３４５６７図７調査地点の写真２図 St ９２６５図 St ２６５図２ St ２６５図３ St ２２２図４ St ３２６６図５ St ４２２図６ St ５２２図７ St ６２６６５

6 St Cipangopaludina chinensis laeta J J/O J J Semisulcospira libertina J J J O J J O J J/O J/O J Fossaria ollula J Corbicula leana O J J/O Gnorymosphaeroma oregonensis J J J O J/O J O J Asellus hilgendorfii J J Palaemon paucidens J/O J/O J/O J J/O O O J/O O J/O Paratya compressa compressa J J/O Neocaridina denticulata denticulata J/O J/O O J/O O O O J/O Procambarus clarkii J/O O J/O Potamanthus formosus J J Baetis spp. O J O J/O Ischnura senegalensis J Cercion alamorum calamorum J Cercion hieroglyphicum J O Colopteryxatrata J J J J J Mnais pruinosa O Stylurus nagoyanus J Asiagomphus melaenops O O J Asiagomphus pryeri J J Gomphus postocularis J/O J J Trigomphus ogumai O Nihonogomphus viridis J Sieboldius albardae J/O J/O O O J Gomphidae sp. J Anaxparthenope julius O O Macromia amphigena amphigena J O Epophthalmia elegans J Orthetrum albistylum speciosum J/O J/O O Sympetrum frequens [adult] O O Pseudothemis zonata O Laccotrephes japonensis O Ranatra chinensis O O Appasus major O Aquarius paludum paludum J J Gerris latiabdominis J J O Ganonema uchidai O Cheumatopsyche sp. J J/O J Anisocentropus sp. O Goeridae sp. J Peltodytes intermedius [adult] J Hydrochara affinis [adult] J Tipulidae sp. J Chironomidae sp. O Hypomesus nipponensis J J Plecoglossus altivelis altivelis J Zacco temminckii J/O J J/O J/O J/O J/O J/O J J/O O J/O J/O J J/O Zacco platypus J/O J/O J/O J/O J/O J J/O J/O J/O J/O J/O J/O J/O Tribolodon hakonensis J O J J/O O J O J/O Opsariichthys uncirostris uncirostris J O Squalidus chankaensis biwae J/O J/O J J/O J/O J J/O O Gnathopogon elongatus elongatus O O O O O O O O Gnathopogon sp. J J J Pseudorasbora parva O O J/O Sarcocheilichthys variegatus variegatus O J/O J/O O J O Pseudogobio esocinus esocinus O J/O O J J/O O Cyprinus carpio O O Carassius sp. O O O J/O J/O O O O O J Tanakia lanceolata J/O J J/O Rhodeus ocellatus ocellatus O J/O O Misgurnus anguillicaudatus J J/O Cobitis sp subsp J/O J J J J J Cobitis biwae J J J/O O J/O Silurus asotus J J Oryzias latipes J/O J/O J/O J/O Odontobutis obscura obscura O J/O J/O J/O J/O J Rhinogobius sp. OR O J J Rhinogobius sp. O Rhinogobius giurinus J Tridentiger brevispinis J/O J J J/O J Gymnogobius urotaenia J/O J/O J J O J J Acanthogobius flavimanus O Acanthogobius lactipes J Cottus pollux J O J J J J Hyla japonica J Rana nigromaculata O O

7 Procambarus clarkii Ranatra chinensis Squalidus chankaensis biwae Tanakia lanceolata St Hypomesus nipponensis St Plecoglossus altivelis altivelis Acanthogobius lactipes Acanthogobius flavimanus St St St Cobitis biwae Aquarius paludum paludum Gerris latiabdominis St Cottus pollux Semisulcospira libertina

8 Baetis Cheumatopsyche sp. St St St cm St cm Silurus asotus Anaxparthenope julius Orthetrum albistylum speciosum St St Pseudogobio esocinus esocinus St St

9 m/s St St St St St St St St St St St St St St St St St Micropterus salmoides Lepomis macrochirus Rhodeus ocellatus ocellatus

10 St RDB Appasus major St RDB DD RDB DD RDB IB EN RDB NT St p p p p p : p p p p p

15 St mm

16 St mm St mm St mm St mm

17 St mm St mm St mm St mm St mm

18 St mm St mm St mm St mm

Matsuura et al., NPO

Matsuura et al., NPO 2001 11 2004 12 1969 1996 2004 Matsuura et al., 2000 2000 2002 2005 NPO 9 26 1999 2004 16 53 1998 16 61 1999 2004 7 1 16 62 77 80% 2000 40m 1971 3 7m 1998 55 2000 13 37 1 19 10 2001 1998 1999 2004 38 1986