Soil enzyme activity in the MELNHE study at Hubbard Brook Experimental Forest, Bartlett Experimental Forest, and Jeffers Brook, NH, 2014 and 2017

The Multiple Element Limitation in Northern Hardwood Ecosystems (MELNHE) project studies N and P acquisition and limitation through a series of nutrient manipulations in northern hardwood forests. This data set includes soil enzyme activities measured in Oe, Oa, and mineral soil horizons in all 13 of the MELNHE study sites (Bartlett EF, Hubbard EF, and Jeffers Brook, NH). Samples were collected in 2014 and 2017, representing 6 years of N and P fertilization. These data were gathered as part of the Hubbard Brook Ecosystem Study (HBES). The HBES is a collaborative effort at the Hubbard Brook Experimental Forest, which is operated and maintained by the USDA Forest Service, Northern Research Station.