Psammosere

• • A psammosere involves ecological succession that starts on sand
  • Plant nutrients are not readily available, drainage is rapid so water supplies are poor and moving sand makes it difficult for plants to establish a good root hold without being covered and killed
• • As plants succeed in colonising, the sand is stabilised, nutrient supplies increase, organic matter builds up and water becomes more available
• • Eventually the sequence of changes in the community of species will establish the same climatic community that would have been produced by a hydrosere or lithosere