A biological study of Durvillaea antarctica (Chamisso) Hariot and D ...
A biological study of Durvillaea antarctica (Chamisso) Hariot and D ...
A biological study of Durvillaea antarctica (Chamisso) Hariot and D ...
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81<br />
(vii) South African Coast<br />
I have found no :cecord <strong>of</strong> DurviZ laea growing on the South<br />
African coast, Womersley (1952:602) specifically stated that<br />
Dupvillaea does not grow in cold temperate South Africa. Th~ Soltis<br />
Herbarill1ll, Rondebosch, have no record <strong>of</strong> any drift specimens.<br />
Papenfuss (pers. comm. 27 May 1975) knO!!IS <strong>of</strong> no drift records on<br />
South African coasts.<br />
(c)<br />
(i) Marion <strong>and</strong> Prince EdWard Isl<strong>and</strong>s<br />
Moseley l<strong>and</strong>ed on Marion I, <strong>and</strong> stated (1892: 144): "'I'he rocks<br />
above the high tide mark were covered with a dense gro\>Jth <strong>of</strong> large<br />
br01lm seaweed D'U"f'ViZZaea utilis which was <strong>of</strong> great ass~tance<br />
breaking the surf". There is little information available on the<br />
algae <strong>of</strong> Prince Edward I. Van Zinderen Bakker (1971) did not include<br />
algae in his report <strong>of</strong> the South African Expedition to these isl<strong>and</strong>s<br />
in 1965-66 p<br />
photographs.<br />
but D. <strong>antarctica</strong> is clearly visible in several <strong>of</strong> his<br />
in<br />
(ii) crozet <strong>and</strong> Kerguelen Is<br />
The presence <strong>of</strong> D. <strong>antarctica</strong> on these isl<strong>and</strong>s is well aocumented.<br />
Delepine (1963:6, figs 2-3) stated that D. <strong>antarctica</strong> is very common<br />
on Kerguelen <strong>and</strong> Crozet. plants form a wide b<strong>and</strong> as in southern<br />
New Zeal<strong>and</strong> <strong>and</strong> southern South America. 'A species closely resembling<br />
D. chathamica (Chapter 3) may also be present.<br />
(iii) New Amsterdam <strong>and</strong> st PauZ IsZ<strong>and</strong>S<br />
Delepine (1963, 1964) stated that DurviZlaea<br />
found no information to the contrary.<br />
is absent.<br />
1 have<br />
(iv) Heard I. (Fig. 4 _ 2a)<br />
Moseley (1875, 1892) recorded DurviZlaea from Young 1. in the<br />
Heard group, stating' that D. uti"lis grew attached to rocks unde:t'<br />
cliffs. Law <strong>and</strong> Burstall (1953:21) list DurviZZaea as a marine<br />
fouling organism in these waters. A photograph sent to me by<br />
Ch.i t tleborough (who spen t several mo nths on Heard I.) sh owed a \\fide<br />
D. <strong>antarctica</strong> h<strong>and</strong> in the lower littoral. This is the only isl
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