河湖健康评估-采用土地利用为主要干扰试验研究在太子河试点

Step 7. Scoring
The standardise scores from 0 to 1 was used:
1=health condition equal to or over the target value 0=disaster condition lower than the threshold value
M-S
Indicators with significant* relationship with stressors
DO, EC, NH3-N, TN, TP M：SR (F)，BMWP，EPT R(F) F： SR, F-IBI, F-BP index, ; A: A-IBI, A-BP index DO, EC, volatile phenols, NH3-N, TN, TP M：SR (F)，BMWP，EPT R(F) F： SR, F-IBI, F-BP index, ; A: A-IBI, A-BP index DO, EC, volatile phenols,BOD5, CODCr, NH3-N, TN, TP M：SR (F)，BMWP，EPT R(F) F： SR, F-IBI, F-BP index, ; A: A-IBI, A-BP index
Around 413km long above13,000 km2 Quick development of Urban Long history industrial and farmland pollution
Incident human water security and biodiversity threat
pH, DO, EC, SS, Alkalinity, TDS, Silicate, volatile phenols, Escherichia coli
Potassium , Calcium, Sodium, Magnesium, Chlorine, Sulphate, Bicarbonate
TN, TP, NH3-N, NO2-N, NO3-N, P04-P
median
median
95th percentile
Indicator values
Indicator values
Observed values of an indicator may be used to inform decisions about target and threshold values for aquatic ecosystem health.
Step 8. Connection with Management
What kind of information the stream manager need? Challenges: 1) Be aware of the importance of the biological assessment 2) The join in of the local residents 3) The communication-Liao River Reserve & Liao River Research Center (CRAES)
Middle Hilly Stream region (H-S)
Step 3- Identifying the stressor and Indicators
STEP 4. SAMPLING, MEASURING & CALCULATION
Physical-Chemical and nutrient Physical/ Oxygen demands Water-T/ BOD5, COD, Basic Chemical Cations/Anions Nutrient Heavy metals Pb, Cd, Cr, Al, Zn, Cu, Hg, As
Improve & restore
Identify the stressors
Management
Method
Suitable methods to assess
STEPS TO ASSESS-LIAO RIVER
1. 2. 3. 4. 5. 6. 7. 8. Classification of watershed Construction of conceptual model Identification of stressors and indicators Sampling procedures Quantification-stressors & indicators Target and threshold setting Scoring for Assessment and reporting Connecting to the management
Step 1-Classification
DEM, A-T, A-R
(similar stream habitat and orders)
Step 2-Conceptual model
Upper Mountain Stream region (M-S)
Step 2-Conceptual model
Vörösmarty et al., 2010
Background information-Main threatens
Farmland Urbanization
Ctenogobius brunneus Squalidus chankaensis Hypseleotris swinhonis BS2
HC4 HC1 HC3 HC2
Lampetra morii
Cluster I Cluster II Cluster III Cluster IV
Background information-Main threatens
Background information-Main purpose
Development
Step 7. Assessment and reports
Step 8. Connection with Management
What kind of information we can give to the stream manager?
Challenges: 1) The low monitoring data of the aquatic organisms 2) Methods to improve the stream health and restoration 3) Suitable indicators for the local government
Step 8. Connection with Management
520 km long
SIGNIFICANCE





Up to now, the river health assessment mainly based on the water quality monitoring. As we known, the river health is always more than the health of water quality based on the all over world research (US-EPA, Europe-EWF). A new river health assessment program is under development by MEP, and would be promoted for whole country (over US$1.5 Billion for the next ten years). In the future, our research results and methods would be highly recommended. This workshop had provided an excellent chance to share the experience for the river health assessment, and examples for the national river systems biological monitoring.
Thanks！
SD BS1 BS3 TZ5 TZ4 TZ3
TN6 TN5 QH TN7 TN8 TN4 TN3 TN2 TN1
Dengta
TZ15 BS4 TZ14 TZ10 TZ11 TZ13 TZ12 TZ9 TH5
TZ1 TZ2
GYG-R
TS1
Benxi
TZ6 TZ8 TZ7
Xiaoshi
XT3
TS5
TS4 TS3
Collection of aquatic organism Algae 288 sites A-IBI, SR, diversity index, B-IBI, diversity index, EPT, BMWP F-IBI, Ind., SR, diversity index, Macroinvertebrate 288 sites 290 sites Fish
Step 5. Quantification
SR of Macroinvertbrate
50
Individuals of Fish
100 150 200 EC 250 300 350
40
Fi_D
M_S
30
20
10
0
20
40
60
80
5
10
15
20
Conductivity
(LR) Richness= 3.7027 – 0.0024EC. P < 0.0001. Adjusted R2 = 0.1502.
The development of Integrated Stream health assessment in Taizi River, China --- by applying the land use as main disturbances pilot research
Dr. Xiaodong Qu
流域水生态研究室
Agenda
1. Background information
2. Steps to assess 3. Significance
Background information-Research area (Taizi River)
North east of China-The fifth biggest watershed in China
a) Site index score = 1-(target-obs)/(target-threshold) For negative trends with the stressor or
b) Site index score = 1-(obs-target)/(threshold-target) For positive trends with the stressor
H-S
F-S
*(p<0.05)
Step 6. Target & threshold
a)
Frequency
Lower stress Considerable stress High stress
b)
High stress
Considerable stress
Lower stress
5th percentile
ቤተ መጻሕፍቲ ባይዱ
Urbanization
%Construction in Catchment
(LR) Ind. = 4.4303 – 0.1382*Urban%. P < 0.0001. Adjusted R2 = 0.3169.
Step 5. Quantification
Indicators list
Taizi River
TS2
TZ16
TZ17
Liaoyang
NS3
NS2
SW-R
LH2
XH7 XH6
XT2
XT1
Liaoyang* Anshan
NS1
TH4
TZ18 TZ19 TZ20 TZ21 TZ22 HW HC5 TH3 TH2 TH1 YL2
TH-R
LH1
XH5
XH4 XH3 XH2
YL1
XH1
TZ23
Haicheng