L12 Seres_carbon (3) PDF - Carbon Cycle & Vegetation Succession

Where is carbon stored? How is carbon transferred from one store to another?  Terrestrial (land) Carbon Cycle: Vegetation successions Aim: To describe and explain the transfers of carbon through a vegetation succession. Vegetation succession shows how the stores and transfer...

Where is carbon stored? How is carbon transferred from one store to another?  Terrestrial (land) Carbon Cycle: Vegetation successions Aim: To describe and explain the transfers of carbon through a vegetation succession. Vegetation succession shows how the stores and transfers of carbon can change over time as the mix of species and habitat in area changes over time. Succession is the process that turns this….. ……into this.  Vegetation succession occurs in steps called seral stages. This is the start of a lithoSERE. These start on bare rock. The progression of an ecosystem depends on the biotic (LIVING) and abiotic (NON LIVING) conditions. Abiotic conditions: What process will affect the bare rock and release carbon? Biotic conditions: What will eventually happen to the lichen? How will that help other plants to grow? Will those plants be bigger or smaller? Why? Aim: To describe and explain the transfers of carbon through a vegetation succession. Pioneer species like moss grow and photosynthesise (store CO2) and respire (release CO2 and O2) Pioneer species like moss grow and Plants die photosynthesise C02 taken out of Chemical and SO? the atmosphere weathering decompose into the of rock SO? Co2 SO? released. biosphere. Minerals and Humus layer Plants respire SO? carbon are created SO? C02 released into released More CO2 stored. the atmosphere. WHAT NEXT?  Aim: To describe and explain the transfers of carbon through a vegetation succession. Larger plants grow SO? More Moss dies photosynthes and adds to is, the humus respiration, layer SO? decompositio More carbon n transfers stored in the carbon. pedosphere (soil) WHAT NEXT? Where is the carbon stored? Final sere (stage) Climatic climax is dynamic vegetation in UK equilibrium – is deciduous oak what does that woodland. mean? of inputs Balance and outputs is equal on average.  Pioneer species Chemical like moss grow weathering of and rock SO minerals photosynthesise and carbon are and respire – released. Plants die absorbing and and More humus releasing CO2.and decompose carbon in the SO CO2 soil encourages released. growth Over time, More bigger photosynthes plants is, develop and respiration, store decompositio carbon. Final sere n transfers (stage) is carbon. Climatic dynamic climax equilibrium vegetation –balance (on in UK is average) is deciduous achieved. oak woodland. This vegetation success starts in water so what kind of succession (sere) is this? What happens next? Draw a simple annotated sketch. How does carbon storage and transfers change as this hydrosere develops? CGP revision book p113 Annotate your diagram - practise the skills of shortening prose to bullet points.  Terrestrial (land) Carbon Cycle: Vegetation successions Aim: To describe and explain the transfers of carbon through a vegetation succession. How does the amount of storage of carbon in a vegetation succession change over time AND why? More carbon is stored – decomposition develops soils/humus, vegetation grows bigger What is the final stage – where balance is achieved – called? Dynamic equilibrium In the UK, what is the climatic climax vegetation? Deciduous oak woodland