Complex sentence: A geophysical survey of the area in 2008 showed unclear magnetometer data; the wood may be influencing the peat's hydrology, causing the loss or collection of minerals within the pore water and peat matrix.
Split into simpler sentences: A geophysical survey of the area in 2008 showed unclear magnetometer data. It has been suggested the wood is influencing the hydrology within the peat, causing the loss or collection of minerals within the pore water and peat matrix.