1.1 river health assessment technical framework and key issues

20122

*

DWEIWHR2012

DWEIWHR2012

2020

DWEIWHR2012

DWEIWHR2012

7+1762020National River and Lake Health Program NRHLP

DWEIWHR2012

1

DWEIWHR2012

1318

2

DWEIWHR2012

-

3

DWEIWHR2012

4DPSIR+

DWEIWHR2012

5

5

DWEIWHR2012

15

612345

DWEIWHR2012

7

DWEIWHR2012

87

652km1050Km2833Km549Km403Km22338Km2

DWEIWHR2012

92012

1

2

3

DWEIWHR2012

( reference)

Karr1991

Karr1996

2007

DWEIWHR2012

DWEIWHR2012

DWEIWHR2012

Q1----

Q2----

Q3----DOQ4/----

DWEIWHR2012

DWEIWHR2012

0.20.20.20.40.3

0.7

DWEIWHR2012

Step3Step0:Step12Step6

DWEIWHR2012

--IHA33

DWEIWHR2012

BIBIIBI

DWEIWHR2012

[email protected]

*