Week 10: The Anthropocene Flashcards
1
Q
What are the main fertiliser nutrients used?
A
Nitrates and phosphate
2
Q
What does the classification of a new epoch - the anthropocene as a distinguished from the holocene - rely on?
A
A change in stratigraphic signature in sedimentary deposits
3
Q
What 3 materials are contributing to newly define ‘technofossils’?
A
- plastics
- aluminium
- concrete
4
Q
What are the 2 biggest threats to species?
A
- overexploitation
2. agriculture
5
Q
Anthropocene can be marked by what 3 factors?
A
- Carbon 12 to carbon 13 ratios
- Technofossils
- Species extinctions
