Question

Explain the different steps of xerarch succession occurring in nature.​

Answer 1

Takes place in dry area hence progress from xeric to mesic condition Pioneer species such as lichens secrete acids to break rocks, initiate soil formation Lichens pave way to bryophytes Which are succeeded by bigger plants. Ultimately, stable mesic community is formed

Answer 2

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xᴇʀᴀʀᴄʜ sᴜᴄᴄᴇssɪᴏɴ ɪɴ ɴᴀᴛᴜʀᴇ:

• ʟɪᴄʜᴇɴs ᴀʀᴇ ᴛʜᴇ ᴘɪᴏɴᴇᴇʀ sᴘᴇᴄɪᴇs ᴏɴ ᴀ ʙᴀʀᴇ ᴀʀᴇᴀ.

• ᴛʜᴇ ʟɪᴄʜᴇɴ sᴇᴄʀᴇᴛᴇs sᴏᴍᴇ ᴀᴄɪᴅs ᴛᴏ ᴅɪssᴏʟᴠᴇ ʀᴏᴄᴋ ᴀɴᴅ ʜᴇʟᴘ ɪɴ ᴡᴇᴀᴛʜᴇʀɪɴɢ ᴀɴᴅ sᴏɪʟ ғᴏʀᴍᴀᴛɪᴏɴ.

• ʟᴀᴛᴇʀ, sᴏᴍᴇ sᴍᴀʟʟ ʙʀʏᴏᴘʜʏᴛᴇs ɪɴᴠᴀᴅᴇ ᴀɴᴅ ʜᴏʟᴅ ᴛʜᴇ sᴍᴀʟʟ ᴀᴍᴏᴜɴᴛ ᴏғ sᴏɪʟ.

• ᴛʜᴇ ʙʀʏᴏᴘʜʏᴛᴇs ᴀʀᴇ sᴜᴄᴄᴇᴇᴅᴇᴅ ʙʏ ʜᴇʀʙs, sʜʀᴜʙs ᴀɴᴅ ᴜʟᴛɪᴍᴀᴛᴇʟʏ ʙɪɢ ᴛʀᴇᴇs.

• ᴀᴛ ʟᴀsᴛ, ᴀ sᴛᴀʙʟᴇ ᴄʟɪᴍᴀx ғᴏʀᴇsᴛ ɪs ғᴏʀᴍᴇᴅ.

• ᴛʜᴇ xᴇʀᴏᴘʜʏᴛɪᴄ ʜᴀʙɪᴛᴀᴛ ɢᴇᴛs ᴄᴏɴᴠᴇʀᴛᴇᴅ ɪɴᴛᴏ ᴀ ᴍᴇsᴏᴘʜʏᴛɪᴄ ᴏɴᴇ.