Durvillaea willana
Encyclopedia
Durvillaea willana is a kelp
species. It is similar to D. antarctica but is found in more sheltered coasts. D. willana has smaller blades than D. antarctica and is usually found lower on the shoreline because its tolerance of wave action is not as great as D. antarctica (Bradstock, 1989). D. willana has no common name in New Zealand, however is usually mistaken for bull kelp, Durvillaea antarctica
. D. willana stipes are thick and long. Off the stipe there are side branches of small fronds, this gives the algae a tree like form. The fronds are not honeycombed like D. antarctica. The holdfast becomes large and spreads like a plate on rocky substrates (Bradstock, 1989).
Kelp
Kelps are large seaweeds belonging to the brown algae in the order Laminariales. There are about 30 different genera....
species. It is similar to D. antarctica but is found in more sheltered coasts. D. willana has smaller blades than D. antarctica and is usually found lower on the shoreline because its tolerance of wave action is not as great as D. antarctica (Bradstock, 1989). D. willana has no common name in New Zealand, however is usually mistaken for bull kelp, Durvillaea antarctica
Durvillaea antarctica
Durvillaea antarctica is a large, robust bull kelp species and the dominant seaweed in southern New Zealand and Chile. D. antarctica has a circumpolar distribution between the latitudes of 29°S and 55°S . It is found on exposed shores, especially in the northern parts of its range, and attaches...
. D. willana stipes are thick and long. Off the stipe there are side branches of small fronds, this gives the algae a tree like form. The fronds are not honeycombed like D. antarctica. The holdfast becomes large and spreads like a plate on rocky substrates (Bradstock, 1989).