Aquatic Survey Results

Aquatic Invertebrate Survey at River Wye SSSI, Symonds Yat, Herefordshire (June 2005)

Presentation of Results

Table 1 - List of surveyed sites with map references

Site

OS Map Reference

Site Description

Site 1 SO 560155 East bank of main channel opposite south end of island. 300mm depth. Mossy cobbles and boulders.
Site 2 SO 560155 East bank of main channel opposite centre of island. 300mm depth. Mossy cobbles, boulders and isolated patches of gravel.
Site 3 SO 560156 East bank of main channel opposite north end of island. 400mm depth. Mossy cobbles and boulders.
Site 4 SO 560156 Northeast bank of island. 300mm depth. Mossy cobbles and boulders.
Site 5 SO 560155 Central east bank of island. 300mm depth. Exposed coarse gravel and cobbles.
Site 6 SO 559155 Southeast bank of island 200mm depth. Mossy cobbles with scattered areas of gravel, silt and overhanging tree roots.
Site 7 SO 559155 Southwest bank of island with overhanging tree roots, 300mm depth. Coarse, sandy gravel.
Site 8 SO 559155 Central west bank of island with peripheral Phragmites. 200mm depth. Mossy cobbles and occasional boulders.
Site 9 SO 560156 Northwest bank of island with peripheral Phragmites 200mm depth. Mossy cobbles and occasional boulders.
Site 10 SO 5515 5 hour targeted search of wood debris and cobbles for Macronogchus quadrituberculatus and Austropotamobius pallipes.
Site 11 SO 560155 Central channel, northeast of island 600mm depth. Mossy cobbles and boulders.
Site 12 SO 560155 Central channel, east centre of island. 600mm depth. Mossy cobbles and boulders.
Site 13 SO 559155 Central channel, west centre of island. 400mm depth. Mossy cobbles, some boulders and patches of exposed gravel.
Site 14 SO 560156 Central channel, northwest of island. 400mm depth. Mossy cobbles, some boulders and patches of exposed gravel.
Site 15 SO 559155 West bank of main channel opposite south end of island. 200mm depth. Boulders, mossy cobbles and some exposed gravel.
Site 16 SO 559155 West bank of main channel opposite centre of island. 200mm depth. 10mm layer of silt over cobbles.
Site 17 SO 560156 West bank of main channel opposite north end of island. 300mm depth. Exposed gravel, cobbles and tufts of Phragmites.

Figure 1 - Map of Surveyed Sites

Figure 1 - Map of Surveyed Sites
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