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US army land condition-trend analysis (LCTA) program

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Abstract

The US Army Land Condition-Trend Analysis (LCTA) program is a standardized method of data collection, analysis, and reporting designed to meet multiple goals and objectives. The method utilizes vascular plant inventories, permanent field plot data, and wildlife inventories. Vascular plant inventories are used for environmental documentation, training of personnel, species identification during LCTA implementation, and as a survey for state and federal endangered or threatened species. The permanent field plot data documents the vegetational, edaphic, topographic, and disturbance characteristics of the installation. Inventory plots are allocated in a stratified random fashion across the installation utilizing a geographic information system that integrates satellite imagery and soil survey information. Ground cover, canopy cover, woody plant density, slope length, slope gradient, soil information, and disturbance data are collected at each plot. Plot data are used to: (1) describe plant communities, (2) characterize wildlife and threatened and endangered species habitat, (3) document amount and kind of military and nonmilitary disturbance, (4) determine the impact of military training on vegetation and soil resources, (5) estimate soil erosion potential, (6) classify land as to the kind and amount of use it can support, (7) determine allowable use estimates for tracked vehicle training, (8) document concealment resources, (9) identify lands that require restoration and evaluate the effectiveness of restorative techniques, and (10) evaluate potential acquisition property. Wildlife inventories survey small and midsize mammals, birds, bats, amphibians, and reptiles. Data from these surveys can be used for environmental documentation, to identify state and federal endangered and threatened species, and to evaluate the impact of military activities on wildlife populations. Short- and long-term monitoring of permanent field plots is used to evaluate and adjust land management decisions.

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Authors and Affiliations

  1. US Army Corps of Engineers, Engineering & Housing Support Center (CEHSC-FN), 22060, Fort Belvoir, Virginia, USA

    Victor E. Diersing

  2. Department of Range Science, Colorado State University, 80523, Fort Collins, Colorado, USA

    Robert B. Shaw

  3. US Army Construction Engineering Research Laboratory, 61824, Champaign, Illinois, USA

    David J. Tazik

Authors
  1. Victor E. Diersing
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  2. Robert B. Shaw
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  3. David J. Tazik
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Diersing, V.E., Shaw, R.B. & Tazik, D.J. US army land condition-trend analysis (LCTA) program. Environmental Management 16, 405–414 (1992). https://doi.org/10.1007/BF02400080

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