LILLEY, RM & LARKUM, AWD 1981, 'ISOLATION OF FUNCTIONALLY INTACT RHODOPLASTS FROM GRIFFITHSIA-MONILIS (CERAMIACEAE, RHODOPHYTA)', PLANT PHYSIOLOGY, vol. 67, no. 1, pp. 5-8.
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A procedure is described for isolating photosynthetically active rhodoplasts ("red algal chloroplasts") from the marine alga Griffithsia monilis. The rhodoplasts exhibited rates of CO(2) fixation and CO(2)-dependent O(2) evolution in the order of 200 micromoles per milligram chlorophyll a per hour when illuminated with red or green light and were approximately 80% intact. The response of the rate of photosynthesis to the inorganic phosphate and pyrophosphate concentrations in the medium was qualitatively similar to that previously reported for spinach chloroplasts. Osmotically shocked rhodoplasts evolved O(2) from ferricyanide in red, but not in green, light and were completely uncoupled. Rhodoplast envelope rupture appeared to be accompanied by phycobilisome loss from the thylakoids.
MAY, V & LARKUM, AWD 1981, 'A subtidal transect in Jervis Bay, New South Wales', Austral Ecology, vol. 6, no. 4, pp. 439-457.
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Long‐term variations in the intertidal algal flora of the entire rock platform at Plantation Point, Jervis Bay, are described by May (1981). The study now reported presents similar long‐term changes in the flora of a subtidal region of the same headland, observed within the same period of time. This first detailed report of subtidal macroalgal communities in New South Wales describes a several‐year study of the benthic communities along a transect in the upper sublittoral region of a rocky headland at Plantation Point, Jervis Bay. Eighty‐nine species of algae were recorded, five of which were previously unrecorded for New South Wales. The area studied is dominated by the large brown algae Ecklonia radiata and Phyllospora comosa, large areas of which were cleared periodically by storms. Turf, shade and crustose coralline algal communities also were present. Storms, seasonal variation and longer term changes all affected the abundance and distribution of the algal species growing along the transect and hence the floristic composition of the area. Copyright © 1981, Wiley Blackwell. All rights reserved
