Topic 1: Ecological Model
Population model
Community model
Ecosystem Model
Landscape model
Global change models, etc
Topic 2: Environment
Environmental Chemistry and Biology
Environmental protection materials
Environmental Safety and Health
Environmental planning and assessment
Environmental analysis and monitoring
Environmental remediation project
Pollution control project
Waste disposal and recycling
Water supply and drainage engineering
Noise and vibration control
Clean production process
Hydrology and Water Resources Engineering
Building Environment and Equipment Engineering
Soil and Water Conservation and Desertification Control
Ecological environment protection
Forest cultivation and protection
Plant protection
Geographic Information and Remote Sensing Science
Land, Resources and Environment, and Urban Rural Planning
Energy conservation, environmental protection and low-carbon concept
Urban and Regional Planning
Development and Management of Source Industries
Environmental Protection and Economic Development
Topic Three: Botany
Botany
Plant Physiology
Plant Ecology
Plant Genetics
Plant taxonomy
Plant Pathology
Plant Molecular Biology
Plant Biotechnology
Agricultural science 
Horticulture
Forestry studies
Environmental science
Biodiversity conservation
Plant Chemistry
Plant Nutrition 
Plant Pathology, etc