Question

Explain the differences and the similarities between hydrarch and xerarch successions of plants.

Answer 1

Differences

Hydrarch successions takes place in watery areas where as xearch successions take place in dry areas.

Hydrarch successions takes place in series from hydric to mesic conditions whereas xearch successions takes place from xeric to mesic conditions.

Hydrarch successions start from phytoplankton stages whereas xearch start from bare rocks.

Similarities

Both hydrarch and xearch successions lead to medium water conditions and wet conditions.

Both end at forest and both lead to mesic conditions.