Sexual reproduction in Acropora (Isopora) (Coelenterata: Scleractinia) - II. Latitudinal variation in A. palifera from the Great Barrier Reef and Papua New Guinea

Kojis B.L. (1986) Sexual reproduction in Acropora (Isopora) (Coelenterata: Scleractinia) - II. Latitudinal variation in A. palifera from the Great Barrier Reef and Papua New Guinea. Marine Biology, 91 3: 311-318. doi:10.1007/BF00428624


Author Kojis B.L.
Title Sexual reproduction in Acropora (Isopora) (Coelenterata: Scleractinia) - II. Latitudinal variation in A. palifera from the Great Barrier Reef and Papua New Guinea
Journal name Marine Biology   Check publisher's open access policy
ISSN 0025-3162
Publication date 1986-01-01
Sub-type Article (original research)
DOI 10.1007/BF00428624
Volume 91
Issue 3
Start page 311
End page 318
Total pages 8
Publisher Springer-Verlag
Subject 1104 Complementary and Alternative Medicine
Abstract In contrast to the seasonal gamete and planula production of Acropora (Isopora) palifera on Heron Island reef (Lat. 23° S), populations on Lizard Island reef (Lat. 14° S), sampled in 1979, 1981 and 1983, and Salamaua and Busama reefs (Lat. 7° S), sampled from 1980 to 1983, planulated year-round. Intensive sampling of colonies at Salamaua and Busama showed that gametes ripened at two-month intervals and that up to six cycles of gametes and larvae could be produced by an individual colony. Gametes of only a portion of the population - usually close to 50% - ripened each month. The Salamaua population, on average, produced fewer and smaller planulae than the Heron Island population during each two-monthly reproductive cycle. Hypotheses correlating the annual periodicity of breeding in marine animals with latitudinal variation of temperature were tested. In general, the time of breeding in A. palifera at Heron Island reef is much more restricted than theories based on latitudinal variations of water temperature would predict. It is hypothesized that, in the near subtropical environment of Heron Island reef, this species has evolved a life-history strategy that limits the amount of energy allocated to reproduction and allocates more energy to growth.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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