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The Seashore

Succession is concerned with community development over time. Find out more in our general section on succession.

Salt Marsh Succession

Migration

This refers to the process of seeds and spores and propogules of all kinds reaching the site. Obviously it has to occur before any successional sequence can begin. Seeds might be wind blown, water born or transported to the site by animals. Animals might walk or be carried by other animals (e.g. perch eggs are known to be transported to fish-free ponds on bird's feet).

The starting conditions of primary successions tend to be unfavourable (e.g. bare rock) so species that find their way to the site might not survive at early stages of community development.

On our salt marsh before pioneer flowering plants can germinate they need 2-3 days continuously emersed. This will provide them with undisturbed conditions for a long enough time to get their roots stuck in.

Migration will occure throughout all subsequent stages.


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