Forest Ecosystem Monitoring Cooperative

Forest Research at Harvard Forest: Ecosystem and Vegetation Response to Hemlock Logging in Southern New England 1999-2005

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  • Forest Ecosystem Monitoring Cooperative

    • Address:
      705 Spear Street
      South Burlington, Vermont 05403
      United States of America

      Phone: (802) 391-4135


    Since 1907, the Harvard Forest has served as a center for research and education in forest biology and conservation. The Forest's Long Term Ecological Research (LTER) program, established in 1988 and funded by the National Science Foundation, provides a framework for much of this activity.


  • Emery Boose: Principal Investigator


  • ecosystem properties, forest inventory, forest management, Harvard Forest, hemlock woolly aldelgid,


  • Harvard University Harvard Forest: lead
  • Duke Forest : partner

Geographic Coverage

  • Coordinates
    • Coordinate System

    Data Table

    • Title: Ecosystem and Vegetation Response to Hemlock Logging in Southern New England 1999-2005
    • Start Date: 1999-01-01
    • End Date: 2008-12-31
    • Description: This study compares the magnitude and trajectory of vegetation and ecosystem function dynamics associated with the direct impact of hemlock woolly adelgid (Adelges tsuga; HWA) infestation versus the indirect consequences of HWA-induced damage in the form of salvage and pre-emptive logging of hemlock (Tsuga canadensis (L.) Carriere) forests. The study was conducted within an area extending from southern Connecticut up to and including the Connecticut River lowlands west to the Berkshire Plateauin central Massachusetts, USA. Overstory and understory vegetation and ecosystem function parameters such as decomposition and nitrogen cycling were examined in logged and unlogged portions of 10 hemlock stands varying in HWA damage intensity.

    • Purpose: The objective is to compare the direct impact of hemlock wooly adelgid infestation to the indirect consequences of HWA induced damage from salvage and logging of hemlock.

    • Condensed Title:

    • Object Name: VMC.1387.2856

    • Data Type: mySQL
    • Citation: Orwig D, Foster D. 2012. Stand and Community Response to Hemlock Woolly Adelgid in Southern New England since 1995. Harvard Forest Data Archive: HF021. Available at:

    • Online Distribution:

    Attribute List

      Attribute Name: species
      • Label: Species field in the HF Stand and Community Response to HWA dataset s
      • Description: Species field in the Harvard Forest Stand and Community Response to Hemlock Woolly Adelgid in SNE datasets (hf021)
      • Storage Type: text
      • Measurment Type: nominal
      • String Format: D-M-YY
      • Number Type: -1
      • Species List: Harvard Forest - response to hemlock logging
        • Code: ACRU
          • Definition: ITIS #28728, red maple (Acer rubrum)
        • Code: ACSA
          • Definition: ITIS #28731, sugar maple (Acer saccharum)
        • Code: AMAR
          • Definition: ITIS #25110, Allegheny serviceberry (Amelanchier arborea)
        • Code: BEAL
          • Definition: ITIS #19481, yellow birch (Betula alleghaniensis)
        • Code: BELE
          • Definition: ITIS #19487, sweet birch (Betula lenta)
        • Code: CACO
          • Definition: ITIS #19227, bitternut hickory; pignut (Carya cordiformis)
        • Code: CAGL
          • Definition: ITIS #19231, pignut hickory; sweet pignut (Carya glabra)
        • Code: CAOV
          • Definition: ITIS #19242, shagbark hickory (Carya ovata)
        • Code: FAGR
          • Definition: ITIS #19462, American beech (Fagus grandifolia)
        • Code: FRAM
          • Definition: ITIS #32931, white ash (Fraxinus americana)
        • Code: HAVI
          • Definition: ITIS #19033, witch-hazel; witchhazel; American witchhazel (Hamamelis virginiana)
        • Code: LITU
          • Definition: ITIS #18086, yellow poplar (Liriodendron tulipifera)
        • Code: PIST
          • Definition: ITIS #183385, eastern white pine (Pinus strobus)
        • Code: QUAL
          • Definition: ITIS #19290, white oak (Quercus alba)
        • Code: QUCO
          • Definition: ITIS #19288, scarlet oak (Quercus coccinea)
        • Code: QUPR
          • Definition: ITIS #195058, chestnut oak ( Quercus prinus)
        • Code: QURU
          • Definition: ITIS #19408, northern red oak (Quercus rubra)
        • Code: QUVE
          • Definition: ITIS #19447, black oak (Quercus velutina)
        • Code: ROPS
          • Definition: ITIS #504804, black locust (Robinia pseudoacacia)
        • Code: TSCA
          • Definition: ITIS #183397, Canada hemlock; hemlock spruce (Tsuga canadensis)
        • Code: ULRA
          • Definition: ITIS #19050, slippery elm (Ulmus rubra)
        • Code: AIAL
          • Definition: ITIS #28827, copal tree (Ailanthus altissima)
        • Code: CATO
          • Definition: ITIS #19247, mockernut hickory (Carya tomentosa)
        • Code: JUVI
          • Definition: ITIS #18048, eastern red cedar (Juniperus virginiana)
        • Code: NYSY
          • Definition: ITIS #27821, black gum, black tupelo, blackgum (Nyssa sylvatica)
        • Code: OSVI
          • Definition: ITIS #19511, eastern hophornbeam; hophornbeam (Ostrya virginiana)
        • Code: PRSE
          • Definition: ITIS #24764, black cherry (Prunus serotina)
        • Code: SAAL
          • Definition: ITIS #18158, sassafras (Sassafras albidum)


    • No methods recorded for this dataset

    Sampling Equipment

    • No sampling equipment recorded for this dataset

    Site Characteristics

    • No site characteristics recorded for this dataset