प्रस्तावित विषय :
- Effect of human beings on 16 परिणाम
- Nature 16 परिणाम
- History 7 परिणाम
- Ecology 4 परिणाम
- Human ecology 4 परिणाम
- Environmental protection 3 परिणाम
- Land use 3 परिणाम
- Environmental sciences 2 परिणाम
- Aboriginal Australians 1 परिणाम
- Allegories 1 परिणाम
- Case studies 1 परिणाम
- Children's stories, Australian 1 परिणाम
- Colonization 1 परिणाम
- Conservation of natural resources 1 परिणाम
- Description and travel 1 परिणाम
- Environmental conditions 1 परिणाम
- Environmental degradation 1 परिणाम
- Environmental management 1 परिणाम
- Environmental monitoring 1 परिणाम
- Environmental policy 1 परिणाम
- Fire ecology 1 परिणाम
- Industrialization 1 परिणाम
- Juvenile fiction 1 परिणाम
- Land settlement 1 परिणाम
- Landscape changes 1 परिणाम
- Natural resources 1 परिणाम
- Social life and customs 1 परिणाम
- Soil conservation 1 परिणाम
- Soil degradation 1 परिणाम
- Soil ecology 1 परिणाम
- Soil erosion 1 परिणाम
- Soils 1 परिणाम
- Wildfires 1 परिणाम
- Wildlife management 1 परिणाम