. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. the end of the recruitment of Clupeidae (Spratelloides spp.) while predation by Carangidae persisted. On Ricaudy, density remained relatively stable throughout the survey (Fig. 3) with fish population being dominated by parrotfish juveniles (Scarus spp.) and adult Pomacentridae (Abudefduf sexfasciatus, Pomacentrus molluccensis and Stegastes nigricans). At the end of the survey, fish density was highest on the CT2 because of the presence of schools of Apogonidae and juveniles, while densities were comparable on
Image details
Contributor:
Library Book Collection / Alamy Stock PhotoImage ID:
RJY3R2File size:
7.1 MB (174.9 KB Compressed download)Releases:
Model - no | Property - noDo I need a release?Dimensions:
2324 x 1075 px | 39.4 x 18.2 cm | 15.5 x 7.2 inches | 150dpiMore information:
This image is a public domain image, which means either that copyright has expired in the image or the copyright holder has waived their copyright. Alamy charges you a fee for access to the high resolution copy of the image.
This image could have imperfections as it’s either historical or reportage.
. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. the end of the recruitment of Clupeidae (Spratelloides spp.) while predation by Carangidae persisted. On Ricaudy, density remained relatively stable throughout the survey (Fig. 3) with fish population being dominated by parrotfish juveniles (Scarus spp.) and adult Pomacentridae (Abudefduf sexfasciatus, Pomacentrus molluccensis and Stegastes nigricans). At the end of the survey, fish density was highest on the CT2 because of the presence of schools of Apogonidae and juveniles, while densities were comparable on Caissons and Ricaudy (Fig. 3). Recruitment of Rhabdamia spp.. i 1 1 0 09/08/96 100 200 300 Days after scuttling 400 11/09/97 ââ¦â Caledonie Toho II ⢠*- Caissons â*â Ricaudy Figure 3. Temporal variations of fish density on Caledonie Toho 2, Caissons and Ricaudy reef. Fish biomass on the CT2 increased during the 53 days after scuttling (Fig. 4). This increase was mainly due to the migration of Lutjanus russelli from the Caissons. The biomass stabilized at an average of 153 g/m between 53 and 193 days after scuttling. Important variations were observed after this first colonization phase, due to the occasional presence of Carangidae (unidentified Carangidae and Carangoides dinema), large Lutjanus argentimaculatus and Sphyraenidae {Sphyraena flavicauda and Sphyraena jello). At the end of the survey, biomass reached an average of 336 g/m . The largest fish recorded were rays (Taeniura melanospila) of more than 200 kg and five groupers (Epinephelus coioides) from 0.5 kg to 13 kg, the first specimens being recorded 11 days after scuttling. On the Caissons, mean biomass remained relatively stable (174.3 g/m2) despite important variations (Fig. 4). With two exceptions (24 and 304 days after scuttling), a school of Lutjanus russelli constituted more than 45% of the overall biomass. Biomass variations were mainly related to the fluctuation in size of this school. On Ricaudy, bi