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Habitat Study Of Belfast Lough Foreshore

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Introduction

Habitat Study Of Belfast Lough Foreshore Introduction:- We decided to survey the Belfast Lough Foreshore at Jordanstown to investigate the habitat, and establish the types of creatures living there along a fixed straight line reaching approximately 21 metres from the upper shore (not usually covered with water) to the Lower Shore (covered with water unless there are very low tides) Prediction:- Based on existing knowledge, I expected to find mussels, sandworms, seaweed, crabs, periwinkles, and limpets. I expected these organisms to live mainly in damp areas, rather than in dry areas Planning:- We decided that when we got to the beach, we would select points at equal intervals marked out along a straight line. This would be marked out by rope. ...read more.

Middle

We then recorded temperature, light intensity and the organisms present. We chose points at equal intervals along the line. I recorded points every 2 metres. The results of my investigation are shown in the table and graph below. Results:- Distance in metres (1 metre - upper shore, 21 metres - lower shore) Temperature in Degrees Celsius Light Intensity Percentage Coverage / Number of organisms in area, living/ non-living Organisms Found in Area 1 11.7 90 No life N/A 3 11.7 89 3 Mussels 5 11.4 88 5% Seaweed 7 11.8 90 5 (2 alive) Sandworms alive 3 Periwinkles + 2 Sandworms 9 11.6 91 10 (1 alive) 9 Mussels + 1 Sandworm (Sandworm alive) 11 12.8 91 50% (alive) Seaweed 13 12 94 27 (3 alive) ...read more.

Conclusion

I expected these organisms to live mainly in damp areas, rather than in dry areas. This was mainly true, but there were not as many animals in areas completely underwater as there were in areas where the tide would just wash over. The results of this investigation may have been inaccurate due to pollution caused by a stream running nearby to the area we were studying. Recommendations for a further study:- If I was to carry out this study again, I would go later in the year when the water and shoreline would be warmer to establish if this had any effect on the marine population. Also, I would study an area where the area was damp, but not totally submerged underwater, as the results showed that there were more living organisms in the middle shore areas. ?? ?? ?? ?? Rachel Bennett, 4Q ...read more.

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