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4 HSI 16 5 HEPHabitat Evaluation Procedures HSI HSI ()( ) Habitat use information HSI HSI HSI LOOP-X 8 mksatoh@janus.co.jp Tel

5 HSI SI HSI

6 1 2 HSI aPlatts et al ()Large boulder610mm Rubble76305mm ()Fine sediment(large)15mm ()Small boulder305610mm Gravel576mm ()Fine sediment(fine)1mm Cottus pollux Günther Cottus reinii mm mm

7 mm mm a () ( ) *1 *1 ()( ) Aa Bb a / g / a / * a b 2

8 * mm 50mm Natsumeda et al c2 Natsumeda et al b cm 10cm 2000a b 7.3cm 2000b 4.7cm cm 2000b c 1994d 7 12 Natsumeda et al cm 7cm Natsumeda Natsumeda1998 (Natsumeda1999) Natsumeda e 3

9 SI SI f b d e ph DO mg/lCOD mg/lSS mg/l

10 ( a *3 2000a 1999 * , cm 2cm a c b

11 cm 20cm 20cm/sec 5cm cm cm 2040cm/sec cm cm Natsumeda cm 0.26cmgranuelsgravel 6cm rubbleboulder cm 80cm 40cm/sec 80cm/sec 2080cm cm/sec 1.4/sec 1050cm cm 24 / / /100 2 *4 Natsumeda1999 6

12 b 2000a b 15cm Natsumeda a Natsumeda1999 *4 1994f 30cm 20cm 1994f 2000c 1994f 2000c cm 1015cm cm 3cm 10cm Natsumeda cm 287cm cm 30cm 1cm 10cm a 4050cm 1549cm 30cm 17cm 7

13 15cm Natsumeda a 1550cm 754cm/sec cm/sec 725cm cm cm cm 1994f10cm cm/sec 1994f cm/sec cm/sec cm (Natsumeda1999) Natsumeda

14 SI 3.2 SI SI1.0 9

15 SI HSI HSI -1 10

16 V9 V

17 * V 1 (SI=1.0) SI=0() SI=0.5 *5 BOD 2mg/l 3mg/l T-NT-P0.1mg/l DO7mg/l ph6.77.5ss1.4mg/l 4.5m 1000MPN/100ml 16 2 ph6.58.5cod2mg/l 25mg/l 7.5mg/l 1,000MPN/100ml 2000a 20cm/sec 20cm 12

18 5cm 1998 /V 2 V 3 V 4 V 5 V cm 1cm 80cm 20cm 80cm V 3 20cm/sec 80cm V 4 5cm c a 180 V V 6 V 7 V 8 V 10 V

19 1997 Natsumeda1998 V cm 2cm 1.2 V cm/sec 1.4/sec V mm(305610mm 610mm)(1mm) 576mm()15mm 1999 V cm SI V V f a181 14

20 V V 11 V 12 V 13 V 14 V 15 V 14 V aNatsumeda V cm a f V cm/sec 80cm/sec 576mm 2000a1cm 1999 V mm 15mm(1mm)76305mm 15

21 1999 Natsumeda a 2000ab Natsumeda 1549cm 30cm 1549cm V 14 V 9 V 9 V 14 SI V 14 20cm 7.3cm 3cm 10cm ( 15cm) 20cm f

22 SI -2 SI -1 1 [] =1.0 = =0.5 2 [] 17

23 3 [] 4 [] 5 [] 8 18

24 6 [] 7 [/] 8 [] () 19

25 9 [/] * * ( 10cm ) / [/] 11 [] 20

26 V 12 [] V 13 [] V 14 [] * * ( 15 49cm 20cm )

27 V 15 [] 22

28 aNatsumeda ) SI HSI 23

29 C a C a =V 1 C j C j =V 2 V 3 V 4 V 5 1/4 C ynb C ynb =V 6 V 7 V 8 V 9 V 10 1/5 C b C b =V 11 V 12 V 13 V 14 V 15 1/5 HSI=C a C j C ynb C b 1/ HSI -2 24

30 V 1 V 2 V 6 V 11 V 3 V 7 V V 4 V 8 V 13 Platts et al.(1983)1998 V 5 V 10 V 15 1 V 9 V cm 15cm cm20cm 4.3 HSI SI IFIM PHABSIM 1997PHABSIM SI HSI PHABSIM IFIM PHABSIM

31 -3 HSI 1050cm 7 PHABSIM HSI V 9 V 14 SI HSI -3 PHABSIM p p pp (1997) :p

32 pp pp p pp (4): a31(10) b31(11) c31(12) d31(13) e31(14) f31(8) (8) pp : Cottus pollux Günther 70(8) pp 1980Cottus hilgendorfi IFIM 197pp Natsumeda, T., S. Kimura, Y. Nagata (1997) Sexual dimorphism, growth and maturity of the Japanese fluvial sculpin, Cottus pollux (large egg type), in the Inabe River, Mie Prefecture, central Japan. Ichthyol. Res., 44(1): Natsumeda, T. (1998) Home range of the Japanese fluvial sculpin, Cottus pollux, in relatiopn to nocturnal patterns. Env. Biol. Fish., 53: Natsumeda, T. (1999) Year-round local movements of the Japanese fluvial sculpin, Cottus pollux (large egg type), with special reference to the distribution of spawning nests. Ichthyolo. Res., 46(1): () pp ()200096pp pp 27

33 (1997) mt-dna : p.26. (1992) : p.42. (1994).1994 : p :6-16 Platts, W.S., W.F. Megahan and G.W. Minshall 1983Methods for evaluating stream, riparian, and biotic conditions. 88pp2000a pp : (11): a b pp 1937Cottus pollux Günther. 7(3): pp 2000a 3 3 p pp (2000b) Cottus pollux. 28

34 4: c 2 3 p pp (1998) Cottus pollux 46(2): (2000a) Cottus pollux. 4:4-6. (2000b) Cottus pollux. 4:7-9. (2000) Cottus pollux. 4: pp HP SI V 15 SI HSI V 9 V V 6 V 7 V 8 SI SI SI 29

35 V 6 V 7 V V 3 V 5 V 15 30