 According to their findings, chironomids respond mostly to the change in the summer temperature, so seasonal variation in temperature can be inferred from sediment cores.
<fluency>  According to their findings, chironomids respond mostly to the change in the summer temperature, so seasonal variation in temperature can be inferred from sediment cores.
 According to their findings, chironomids respond mostly to change in summer temperature, so seasonal variation in temperature can be inferred from sediment cores.