The main idea: Note the ways in which people are using their knowledge of ecology in an effort to find rational ways to protect natural resources with minimal ecological risk.
Lecture outline:
1. Specific characteristics of anthropogenic factor
2. Environment and its components
3. Ecological crisis and ecological situations
4. Modern ecological crisis and its characteristics
5. Pollution and sources of pollution
1. Specific characteristics of anthropogenic factor
Anthropogenic factor – a factor that is caused by human activity.
Specific characteristics of an anthropogenic factor: • Irregular – affect on organisms spontaneously • Unpredicted – affect on organisms at a higher rate - organisms cannot adapt. • Unlimited – effect on organisms up to utter destruction: (compare with natural disasters!). • Changes of environment – affect organisms through change of climate, temperature, moisture, light, pollutants. • Negative effect for themselves – affect humans as species and other organisms (principle of “ecological boomerang”) • Creation of social factors – affect people via TV, psychological stress, education, living conditions etc.
Scheme: An overview of the ecological issues
| |
|INPUT |
|(from environment) |
| |
|OUTPUTS |
|(into environment)