Table 2. Mean environmental characteristics (standard deviation) and number of macrozoobenthic species encountered during macrobenthic sampling.
Kaipara | Tauranga | Manukau | |
---|---|---|---|
Sampling 2012 | 18 & 19 April | 23 & 24 April | 4 & 5 May |
Species (n) | 114 | 81 | 109 |
Individuals (n) | 21846 | 25394 | 26573 |
Median grain size (μm) | 213 (14.7) | 197 (23.4) | 166 (35.1) |
Silt (%) | 1 (2.3) | 5 (3.1) | 14 (10.5) |
Very fine sediments (%) | 6 (2.9) | 17 (4.8) | 17 (5.9) |
Fine sediments (%) | 61 (4.6) | 44 (5.7) | 48 (10.8) |
Medium sediments (%) | 32 (6.5) | 28 (5.4) | 18 (7.2) |
Coarse sediments (%) | 0.4 (0.5) | 6 (3.4) | 3 (4.7) |
Organic content (%) | 0.8 (0.2) | 2 (0.6) | 2 (1.1) |
Chlorophyll a (mg/g) | 5 (3.1) | 11 (4.2) | 23 (7.4) |
Bare sand cover (%) | 84 (28.1) | 73 (18.9) | 79 (23.5) |
Shell hash cover (%) | 2 (3.3) | 3 (4.2) | 16 (17.6) |
Sea grass cover (%) | 13 (27.2) | 23 (18.3) | 5 (18.4) |