Guidelines & Tools Hubbard Brook LTER Conceptual Model Published 2024 Share SHARE Facebook share Twitter LinkedIn Copy URL Email Download Download conceptual-model en Added on: 20 May, 2025 Breadcrumb Home Resource Library Hubbard Brook LTER Conceptual Model The webpage presents the overall conceptual framework of the Long Term Ecological Research (LTER) group focusing on the three key drivers of change in the Hubbard Brook ecosystem: changing atmospheric chemistry, changing climate, and changing biota.