Prof. Zhi Dou is a full-time professor at Hohai University. He conducts research and teaches in the fields of engineering geology, hydrogeology and environment, groundwater pollution and control. He has led more than 10 research projects, including the National Key Research and Development Program and the National Natural Science Foundation of China. He has also done consulting research work for several major national projects in water conservancy and hydropower.

Prof. Zhifang Zhou is a full-time professor at Hohai University. He teaches and conducts research in the field of hydrogeology and engineering geology. His research interests include hydrogeological condition assessment, groundwater pollution and prevention, rock (soil) engineering and environment, etc. He published 8 monographs, textbooks and industry regulations and published more than 150 scientific papers.
Prof. Jinguo Wang is a full-time professor at Hohai University. His research interests include the study of hydrogeological conditions in water resources management and hydropower engineering, hydrogeological parameter acquisition technology, karst groundwater simulation and prediction, and groundwater pollution control. He has published over 130 scientific papers and two monographs, participated in the drafting of three industry regulations, and has 15 invention patents approved.

Prof. Yong Huang is a full-time professor at Hohai University. His research interests involve the study of groundwater issues in engineering, simulation of groundwater flow and solute transport, evaluation of groundwater resources, and inversion simulation of hydrogeological [...]. He has published over 100 scientific papers and one monographs, and has 8 invention patents approved.

Contains more than 300 pictures which show readers the features of free-living marine nematodes

Presents guiding significance in ecosystem management and sets standards for further applications in other parts of the world

Suitable for marine biologists and any researchers interested in microscopic animals

Chapter 1. Introduction.- Chapter 2. Morphology of Free-living Nematode.- Chapter 3. Materials and Methods.- Chapter 4. Systematics and taxanomy.- Chapter 5. Order Araeolaimida De Coninck & Schuurmans Stekhoven, 1933.- Chapter 6. Order Chromadorida Chitwood, 1933.- Chapter 7. Order Desmodorida De Coninck, 1965.- Chapter 8. Order Desmoscolecida Filipjev, 1929.- Chapter 9. Order Monhysterida Filipjev, 1929.- Chapter 10. Order Plectida Gadea, 1973.- Chapter 11. Order Enoplida Filipjev, 1929.- Index to families, genera and species.