Podcast
Questions and Answers
The dunes start out as ______, very small dunes.
The dunes start out as ______, very small dunes.
young
Deposition occurs when sand comes in contact with an ______ such as a rock, driftwood or litter.
Deposition occurs when sand comes in contact with an ______ such as a rock, driftwood or litter.
obstacle
Dunes become vegetated through colonisation by ______ species.
Dunes become vegetated through colonisation by ______ species.
pioneer
Examples of pioneer species include prickly saltwort and ______ grass.
Examples of pioneer species include prickly saltwort and ______ grass.
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Newly formed dunes are very ______ and can easily be washed away in high tides.
Newly formed dunes are very ______ and can easily be washed away in high tides.
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Study Notes
Coastal Dune Formation
- Young dunes are small.
- Windblown sand from the shoreline builds dunes above the high-tide line.
- Sand deposition occurs when it encounters obstacles like rocks, driftwood, or debris.
- Pioneer plant species, like prickly saltwort and lime grass, colonize the dunes.
- Sand accumulates around these plants, nourishing their growth.
- These dunes are unstable and easily eroded by high tides.
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Description
This quiz explores the formation of coastal dunes, focusing on the processes involved in their development from windblown sand. Learn about the role of pioneer plant species and the factors contributing to dune stability and erosion. Discover the dynamic nature of these vital coastal ecosystems.
