Figure 4 in Abundance, reproduction, and feeding of three species of British terrestrial planarians: Observations over 4 years

Figure 4. Soil temperature (°C) at the kitchen site. (a) Monthly average from March 2001 to February 2005: 1 to 5 on the x-axis are years 2001 to 2005; (b) mean¡SE values from January (J) to December (D) over 4 years.