State of the Bay Report 2011-Final.pdf - Anchor Environmental

State of Saldanha Bay & Langebaan Lagoon 2011
Intertidal invertebrates
Table 8.1.
Figure 1: Groups
PERMANOVA pairwise-testing results following significant main-tests. Only the relevant
pairwise comparisons for the years 2005 vs 2008, 2008 vs 2009, 2009 vs 2010, and 2010 vs 2011
per site are shown. Significant (p < 0.05) differences are highlighted in italic. Number of
permutations are 462 for all pairwise comparisons. Percent similarity among the years tested
are also provided.
Figure 2: Pseudo-F
Figure 3: Significance
Level
Figure 4: % Similarity
Dive School 2005 vs 2008 2.5041 0.003 62.1
Dive School 2008 vs 2009 2.9203 0.003 59.3
Dive School 2009 vs 2010 1.5954 0.002 70.2
Dive School 2010 vs 2011 2.1833 0.004 66.8
Jetty 2005 vs 2008 2.8132 0.002 65.6
Jetty 2008 vs 2009 3.4427 0.002 47.7
Jetty 2009 vs 2010 2.2527 0.007 59.5
Jetty 2010 vs 2011 2.8509 0.001 53.5
Schaapen East 2005 vs 2008 3.4945 0.007 52.9
Schaapen East 2008 vs 2009 2.3635 0.004 64.4
Schaapen East 2009 vs 2010 2.4761 0.005 58.4
Schaapen East 2010 vs 2011 2.0324 0.002 56.2
Schaapen West 2005 vs 2008 3.465 0.003 48.0
Schaapen West 2008 vs 2009 2.8932 0.003 55.8
Schaapen West 2009 vs 2010 2.4896 0.002 66.9
Schaapen West 2010 vs 2011 2.9673 0.002 58.7
Iron Ore Terminal 2005 vs 2008 3.2623 0.002 50.2
Iron Ore Terminal 2008 vs 2009 2.7982 0.003 60.6
Iron Ore Terminal 2009 vs 2010 3.1414 0.002 61.8
Iron Ore Terminal 2010 vs 2011 3.321 0.002 67.8
Lynch Point 2005 vs 2008 2.4023 0.003 56.3
Lynch Point 2008 vs 2009 2.6826 0.003 58.2
Lynch Point 2009 vs 2010 2.6087 0.003 57.5
Lynch Point 2010 vs 2011 1.9785 0.001 65.9
North Bay 2005 vs 2008 1.9355 0.001 59.5
North Bay 2008 vs 2009 1.8012 0.002 63.4
North Bay 2009 vs 2010 1.7216 0.005 67.1
North Bay 2010 vs 2011 1.9676 0.002 65.0
Marcus Island 2005 vs 2008 3.559 0.002 56.8
Marcus Island 2008 vs 2009 2.5676 0.002 63.7
Marcus Island 2009 vs 2010 2.8566 0.003 67.2
Marcus Island 2010 vs 2011 2.3449 0.003 68.7
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