QS Study

Difference between Hydrosere and Xerosere

Hydrosere

  • Succession takes place in wet habitats
  • Its first step is the submerged plant stage
  • Plants of the first stage are- Elodia, Hydrilla etc.
  • Succession is limited to six steps such as- Submerged stage, floating stage, reed swamp stage, woodland stage and climax forest stage.
  • A hydrosere is a plant succession which occurs in an area of fresh water such as in oxbow lakes and kettle lakes.

Fig: The different stage of Hydrosere

Xerosere

  • Succession begins with bare rocks, deserts; example: dry places.
  • Its first step is the blue-green algae as well as thalloid licken plant stage
  • Plants of the first stage are Rhizocarpon, Rhinodina etc.
  • This succession is ended by six stage, such as – thalluid, licken stage, leafy licken stage, moss stage, herb stage, shrub stage and climax forest Stage.
  • The xerarch succession of ecological communities originated in the extremely dry situation such as sand deserts, sand dunes, salt deserts, rock deserts etc.

Fig: The different stage of Xerosere