Victorian Subtidal Reef Monitoring Program - Parks Victoria

Parks Victoria Technical Series No. 28PPB Sanctuaries Subtidal Reef MonitoringINDEX OF FIGURES AND TABLESFIGURESFigure 1.1. Examples of species of invertebrates found on subtidal reefs in northern PortPhillip Bay........................................................................................................................ 3Figure 1.2. Examples of macroalgae found on subtidal reefs in northern Port Phillip Bay...... 4Figure 1.3. Examples of fish species found on subtidal reefs in northern Port Phillip Bay...... 4Figure 1.4 An example plot depicting change in an environmental, population or communityvariable over time (days, months or years). The black circles denote examples ofmonitoring times. ............................................................................................................. 5Figure 2.1. Location of monitoring sites in northern Port Phillip Bay. Marine Sanctuaries areindicated in yellow. .......................................................................................................... 7Figure 2.2. Biologist-diver with transect reel. ....................................................................... 13Figure 2.3. The cover of macrophytes is measured by the number of points intersecting eachspecies on the quadrat grid. .......................................................................................... 13Figure 3.1. MDS plot of algal assemblage structure in northern Port Phillip Bay. Sites arelabelled next to the point representing the first survey at each site. Stress = 0.09. ...... 15Figure 3.2. Trends in algal species richness. ........................................................................ 16Figure 3.3. Trends in algal species diversity. ........................................................................ 16Figure 3.4. MDS plot of invertebrate assemblage structure in northern Port Phillip Bay. Sitesare labelled next to the point representing the first survey at each site. Stress = 0.09. 17Figure 3.5. Trends in invertebrate species richness.............................................................. 18Figure 3.6. Trends in invertebrate species diversity.............................................................. 18Figure 3.7. MDS plot of fishes assemblage structure in northern Port Phillip Bay. Sites arelabelled next to the point representing the first survey at each site. Stress = 0.09. ...... 19Figure 3.8. Trends in fish species richness. .......................................................................... 20Figure 3.9. Trends in fish species diversity. .......................................................................... 20Figure 4.1. Abundances of selected macroalgal species in the Point Cooke region............. 22Figure 4.2. Abundances of selected invertebrates in the vicinity of Point Cooke MarineSanctuary. .....................................................................................................................24Figure 4.3. Abundances of selected invertebrate species in the vicinity of Point Cooke MarineSanctuary. .....................................................................................................................25Figure 4.4. Mean sizes (± 95% confidence intervals) of black lip abalone Haliotis rubra atPoint Cooke Marine Sanctuary and RAAF Base reference site. ................................... 26Figure 4.5. Abundances of southern hulafish Trachinops caudimaculatus and little rockwhiting Neoodax balteatus in the vicinity of Point Cooke Marine Sanctuary. ................ 27Figure 5.1. Abundances of selected macroalgal species in the vicinity of Jawbone MarineSanctuary. .....................................................................................................................29V