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Comparing the characteristics of two coppiced areas in Nower Wood.

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Introduction

Comparing the characteristics of two coppiced areas in Nower Wood Aim: Our aim is to compare the abundance, diversity and living conditions of different species of plants in two coppiced areas, an old coppice (coppiced 30 years ago) and a younger coppice (coppiced 7 years ago), in Nower Wood. Hypothesis: I think that there will be a greater amount of plant species in the older coppice compared to the younger coppice. Explanation: i. That there will be a greater abundance of different species in the old coppice. ii. That there will be a larger canopy in the old coppice. iii. Therefore, the young coppice will have a smaller amount of plant species, a smaller abundance of different species and a greater open space. iv. That most of the plants in the young coppice will get an equal amount of light and that, only the tall trees and plants that form part of the canopy will get to the majority of light in the old coppice. v. That there will be more humidity in the old coppice than in the young coppice. ...read more.

Middle

iii. PH of soil: Some plants like acidic soils, some plants like alkaline soils and some plants like neutral soils. Therefore, acidic-based plants will not grow well in alkaline soils. iv. Soil type: The type of soil that the plant grows in, will affect how well the plant grows, as some soils will hold water and some won't. v. Soil moisture: Water is needed for photosynthesis so the more water the soil holds the more the plant can photosynthesise. vi. Humidity: Humidity affects the rate of transpiration in plants' leaves, which affects the amount of water that diffuses in and out of the plant. vii. Human impact: Coppicing is the human factor that affects plant growth as this will affect the age and stage of development that the plant is in. Coppicing is when trees are cut back regularly to near ground level. This makes them produce many shoots from the old stumps or "stools". The cut down wood is then used for building things, fuel and manufacturing. Apparatus: * A quadrat. * A soil auger. * 2 tape measures. * A pencil. ...read more.

Conclusion

ii. To make it a fair test, we used the same auger, the same pH chart, the same amount of indicator solution and the same amount of Barium Sulphate and distilled water. iii. We also dug to the same depth of soil every time and we took the soil from the bottom of the auger each time. iv. To make it a fair test we put the soil in a sealed container and we repeated the soil moisture method until there was no further mass change. It was also repeated five times per site. Preliminary Work Before we went to Nower Wood, our class did a practice investigation at school where we looked at two areas of land in the school: a cricket pitch and a rugby pitch. We only measured the diversity of the plants at school, compared to the soil moisture, light humidity, etc..., at Nower Wood. Our results were written up as though it was a real experiment. We could only take readings for the rugby pitch as we did not have enough time in the lesson at school. We found that the rugby pitch had more plants on it; this was it due to the cricket pitch needing weed killers, pesticides and more mowing than on the rugby pitch. ...read more.

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