Chapter 1 Introduction-1

1. 1 Background and significance of the topic.

1.2 Ecosystem services

The concept of ecosystem services

1.2. 1. 1 the concept of ecosystem

The concept of ecosystem services

1.2.2 Ecosystem service value

Quantitative method of ecosystem service value

1.2.3. 1 analytical synthesis method

1.2.3.2 alternative method

The second chapter is the research area, general situation, sample collection and processing analysis. ..................................................................................................................................................................

2. 1 Overview of the study area ............................................ 14

2. 1. 1 natural environment .......................................................... 14

2. 1.2 Current situation of economic development ................................................... 15

2. 1.3 mineral resources endowment and development status ...................................... 16

2.2 sample collection, processing and analysis .............................................................................................................. 18

2.2. 1 sample collection ..................................................................................................................................................................

2.2.2 Sample handling and analysis

2.3 Research methods and technical evaluation indicators

2.3. 1 research methods

2.3.2 Technical evaluation indicators

2.3.2. 1 heavy metal pollution assessment method21.

Evaluation index of ecosystem service value in 2.3.2.2 2 1.

Chapter III Evaluation of Ecosystem Service Value in Minjiang River Basin

3. 1 Classification of land types in Minjiang River Basin

3.2 Minjiang River Basin Ecosystem Service Value

3.2. 1 farmland ecosystem service function 24

3.2.2 Service function of grassland ecosystem

3.2.3 Service function of river ecosystem

3.2.4 Forest ecosystem service function

3.3 Total value of ecosystem services in Minjiang River Basin

Chapter IV Current Situation of Heavy Metal Pollution in Water and Farmland along Minjiang River in ..................... 26

4. Current situation of heavy metal pollution in1Mijiang River

4. 1. 1 degree of heavy metal pollution in river water

4. 1.2 heavy metal pollution range of Mijiang River

4.2 Status of Heavy Metal Pollution in Farmland along Minjiang River

4.2. 1 Heavy metal pollution degree of farmland along Minjiang River

4.2.2 Heavy metal pollution range of farmland along Minjiang River

4.3 Impact of heavy metal pollution

Chapter V Analysis on the Loss of Service Function of Farmland and River Ecosystem Caused by Heavy Metal Pollution, page 33

5. 1 loss analysis of farmland ecosystem service function

5.2 Analysis of loss of service function of river ecosystem

5.3 Suggestions on watershed ecological compensation

Chapter 6 Conclusion and discussion

6. 1 Shortcomings and problems of the paper

6.2 Research Prospect

references