Harvard Forest LTER Program Design

Issue: 
Network News Spring 1996, Vol. 19 No. 1
Section:
Site News

Research Approaches

  1. Reconstruction of ecosystem dynamics using paleoecology, historical ecology, and modeling to evaluate long-term trends, to study infrequent processes, and to understand the development of modern conditions
  2. Measurement of modern ecosystem structure, composition, processes, and dynamics on permanent plots, through remote sensing, and through eddy flux measurements of atmosphere-biosphere exchanges to define current conditions and rates
  3. Experimental manipulations of ecosystems to evaluate and compare patterns of response and to collect integrated measurements on multiple processes
  4. Controlled environment studies of plant and population response to specific environmental change
  5. Integration through modeling, comparative studies, monthly meetings, annual symposia, and synthetic products
  6. Application to ecological theory, conservation biology, environmental policy, and forest management

Spatial Scales of Investigation

  1. Plot - 0.1 km 1. Site - 1 km - Harvard Forest
  2. Landscape - 10 km - Petersham, MA 
  3. Sub-region - 100 km - Central Massachusetts 
  4. Region - 1000 km - New England and adjacent New York

Disturbances, Stresses, and Environmental Processes Investigated

  1. Climate change
  2. Windstorms and other environmental extremes 
  3. Fire 
  4. Native and introduced pathogens 
  5. Land-use: aboriginal, European, and current 
  6. Nitrogen deposition and nitrogen saturation

Education Integrated with Research

  1. Summer Research Program for Undergraduates and Graduate Students (25-30 students/yr)
  2. Informal Education Program through the Fisher Museum (>5,000 visitors/yr) 
  3. Graduate Programs through diverse institutions at the MS and Ph.D. level (10-20/yr) 
  4. Bullard Fellowship Program for mid-career Scientists (4-8/yr) 
  5. Conferences, Symposia, and Workshops (>500 participants/yr)