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Table 4.

Mean species/station and mean total species/station and abundances (3–4 stations in each phase) in benthic grab samples (3 replicates) taken in phases A1-A3 over the period 2004–2010. UNCC survey mean of 13 open sea benthic stations sampled biannually from 2002–2005.

A12004200520062007200820092010
Mean species/Station 4.7± 2.8 28.5 ± 0.5 36.5 ± 22 52.5 ± 12.2 61.5 ± 26.75  68.5 
Mean Total species/Station 10 ± 0 58 ± 7.5 62.5 ± 5.5 68 ± 19.0 89.5 ± 31.5  129 
Mean Abundance m−2 206 ± 93.1 2662 ± 944.7 3397 ± 1451.5 22736 ± 6144 14236 ± 3943.5  20224 
A2 2004 2005 2006 2007 2008 2009 2010 
Mean species/Station   5 ± 2.3 21 ± 0.9  26.1 ± 4.9 23.5 ± 1.4 
Mean Total species/Station   10 38.3 ± 2.8  40 ± 3.8 33 ± 1.5 
Mean Abundance m−2   6037 10736 ± 4982.4  10553 ± 3125.1 6876 ± 1151.7 
A3 2010 UNCC 2002 – 2005     
Mean species/Station 23.5 ± 1.4 Mean species/Station 66 ± 6.03     
Mean Total species/Station 33 ± 1.5 Mean Abundance m−2 2263 ± 409.9     
Mean Abundance m−2 6876 ± 1151.7       
A12004200520062007200820092010
Mean species/Station 4.7± 2.8 28.5 ± 0.5 36.5 ± 22 52.5 ± 12.2 61.5 ± 26.75  68.5 
Mean Total species/Station 10 ± 0 58 ± 7.5 62.5 ± 5.5 68 ± 19.0 89.5 ± 31.5  129 
Mean Abundance m−2 206 ± 93.1 2662 ± 944.7 3397 ± 1451.5 22736 ± 6144 14236 ± 3943.5  20224 
A2 2004 2005 2006 2007 2008 2009 2010 
Mean species/Station   5 ± 2.3 21 ± 0.9  26.1 ± 4.9 23.5 ± 1.4 
Mean Total species/Station   10 38.3 ± 2.8  40 ± 3.8 33 ± 1.5 
Mean Abundance m−2   6037 10736 ± 4982.4  10553 ± 3125.1 6876 ± 1151.7 
A3 2010 UNCC 2002 – 2005     
Mean species/Station 23.5 ± 1.4 Mean species/Station 66 ± 6.03     
Mean Total species/Station 33 ± 1.5 Mean Abundance m−2 2263 ± 409.9     
Mean Abundance m−2 6876 ± 1151.7       
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