Table 4 Geographic isolation (km) and nearest reef habitat used to measure island/archipelagic isolation during the present interglacial and during the Last Glacial Maximum for the Macaronesian archipelagos.

From: Restructuring of the ‘Macaronesia’ biogeographic unit: A marine multi-taxon biogeographical approach

Archipelago/Island

Present

Last Glacial Maximum

Δ Isolation (%)

Isolation (km)

Nearest reef

Isolation (km)

Nearest reef

Azores

840

Madeira

836

Madeira

0.5

Madeira (Porto Santo)

285

Selvagens

186

Seine seamount

53.2

Selvagens

160

Tenerife

153

Tenerife

4.4

Canary Islands

98

African continent

60

African continent

63.3

Cabo Verde

570

African continent

555

African continent

2.7