How is primary succession different from secondary succession? Primary succession is the establishment of a community in a barren habitat. Succession during several hundreds years of plant communities on bare rock exposed by a retreating glacier. While Secondary succession is the re-establishment of a community in an area that has been disturbed. It is the natural restoration during about 150 years of plant communities.
2) What impacts do humans have on succession ? By cleaning the land for the garden and preparing the soil for planting represents a major external event that radically re-structures and disrupts a previously stabilized ecosystem. As well as farmers and gardeners are growing our foods incur an immense cost in terms of time, fuel and herbicides and pesticides that humans pay every day growing season due to the fact of the force of ecological succession.
3) What causes this primary succession? List of 2 examples of primary succession. Primary succession is the gradual growth of an ecosystem over a long time of period. One example of primary succession is after a volcano has erupted. After example of primary succession is when glaciers melt, leaving behind a field of rocks.
4) What are the 1st species to arrive after the succession event? Lichens and mosses begin to grow on the rocks. Then when the water freezes, it takes up more space and breaks apart faster.
5) How does the rate of secondary succession compare to primary succession? Why do they differ? The rate of secondary succession is much more faster since there was already soil.
6) Fire is one cause of secondary succession. List of 4 other examples of secondary succession.
7) Imagine a lawn or someone's backyard. Are they any examples of succession there now? 50 years? 100 years?
If no one maintained it for 5 years it would start to grow out of control through objects such as the fences, and cracks. In 10 to 50 years it will start to look more like a forest instead of someone's back yard.
2) What impacts do humans have on succession ? By cleaning the land for the garden and preparing the soil for planting represents a major external event that radically re-structures and disrupts a previously stabilized ecosystem. As well as farmers and gardeners are growing our foods incur an immense cost in terms of time, fuel and herbicides and pesticides that humans pay every day growing season due to the fact of the force of ecological succession.
3) What causes this primary succession? List of 2 examples of primary succession. Primary succession is the gradual growth of an ecosystem over a long time of period. One example of primary succession is after a volcano has erupted. After example of primary succession is when glaciers melt, leaving behind a field of rocks.
4) What are the 1st species to arrive after the succession event? Lichens and mosses begin to grow on the rocks. Then when the water freezes, it takes up more space and breaks apart faster.
5) How does the rate of secondary succession compare to primary succession? Why do they differ? The rate of secondary succession is much more faster since there was already soil.
6) Fire is one cause of secondary succession. List of 4 other examples of secondary succession.
- Crop after
harvesting - Volcanic eruption
- Flood
- Climate
change
7) Imagine a lawn or someone's backyard. Are they any examples of succession there now? 50 years? 100 years?
If no one maintained it for 5 years it would start to grow out of control through objects such as the fences, and cracks. In 10 to 50 years it will start to look more like a forest instead of someone's back yard.