Factsheets for Brown Seaweeds (phylum Phaeophyta)

Genus: Durvillaea Trade name: durvillaea Symbol: DU
AuthorityBory de Saint-Vincent Type species: Durvillaea antarctica (Chamisso) Hariot 
Commercial species: antarctica (ANT), potatorum (POT)
Common names: Bull kelp, Cape kelp, Cochayugo, Cochayuyo, Coyofe, Huilte, Rimuroa, Thongedulte
Classification: Eukaryota, Phylum Heterokontophyta, Order Fucales, Family Durvillaeaceae. 
AlgaeBase names and species:  8 names - 5 current as of 12-2001.
Comprehensive lists of common names , generic & specific names can be found at AlgaeBase. >>Click here<<  for SuriaLink's policy on names.
SuriaLink SeaPlant Utility Rating
Useful food & alginate source - wild harvest.
Careful management of harvest required to prevent habitat damage.
Description
Durvillaea is a robust kelp that has a large conical holdfast and a smooth, leathery texture to the stipe and fronds. Plants can become more than 8 metres long and the largest ones can weigh several kg.
Habitat
Attaches to rocks in exposed, turbulent waters usually in the low intertidal or high subtidal zones.

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Durvillaea production
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Tons per annum
wild harvest
Tons per annum
cultivated
Australia 4,000 0
Chile 464 0
Total 

4,464

4,464 0
Production
Approximate annual production figures from recent years are as above.
Biology & Agronomy
In preparation.
Chemistry
A source of alginates.
Processing
We have several monographs in progress covering analytical procedures post-harvest treatment and process technology. Check the processing index for available web pages and monographs. 
Products, Uses & Applications
Durvillaea is a significant source of alginates and is also used a a sea vegetable. It can be made into pickles and in general can replace Laminaria spp. or other kelps in kombu-style food preparations.
List of species' uses and community affiliations
Genus GenID SpID Species Uses Communities
Durvillaea DU ANT antarctica FA, FI, FF, IA, PA AI, BP
Durvillaea DU POT potatorum FA, FI, FF, IA, PA AI, BP

click to relevant uses or communities on the index/legend table below>>>

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Durvillaea is most strongly associated with the Agri-Industry and  Biopolymer communities.
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