Versions of CRAM methodology

CRAM methodology (User’s Manual)

Version 6.0 released March 2012

Changes in this version

  • Removed text from Chapter 4: Guidelines for Scoring CRAM Metrics.
    This information is now maintained in individual field books.
  • Removed some text from Chapter 3: Procedures for Using CRAM.
    This information is now maintained in individual field books.
  • Removed Appendix VI. This information is now maintained in the Vernal Pools field books.
  • Updated Appendix III with additional definitions
  • Updated References section with additional citations
  • Changed authorship, removed original Core and Regional Team information, added L2 Committee members.
  • Revised several figures and tables
  • Replaced Seasonal Estuarine wetland sub-type with Bar-built estuarine wetland sub-type
  • Revised wording throughout the document to be consistent with recent developments in CRAM
    and wetland assessment in California.
  • Fixed typos; updated heading and table of contents

Version 5.0.2 released 9/30/08

Changes in this version

  • Added section on version history of CRAM methodology and fixed typos
  • Added paragraph in Section 2.3.1 to explain separation of assessments of condition and stress
  • Added note to Section 3.2.2.2 that the depressional module was primarily based on perennial depressional wetlands and caution should be applied in the interpretation of scores in seasonal depressional wetlands
  • Corrected text in various Sections to eliminate inconsistencies in terminology
  • Updated figures in Chapter 3
  • Revised the ratings for scoring Structural Patch Richness for Estuarine wetlands

Version 5.0.1 released 10/17/07

Changes in this version

  • Minor wording changes for clarification

Version 5.0.0 released 9/18/07

Changes in this version

  • Version numbering changed from 4.6 to 5.0—no other changes

Version 4.6 released 9/10/07

Changes in this version

  • Substantial changes in nearly all areas

Version 4.2.3 released 11/1/06

Changes in this version

  • Reorganized volume 2 into three sections: Assessment Forms, Narratives, Tables & Figures; typos fixed

Version 4.2.2 released 8/17/06

Changes in this version

  • Added ciation to title page; typos fixed

Version 4.2.1 released 8/10/06

Changes in this version

  • Vol 1, p. 15: Table 2.2, added new metric name Plant Community and bulleted its four component submetrics
  • Vol 1, p. 36: Added language prescribing the calculation of mean submetric score in order to arrive at Plant Community metric value; in Table 3.8, changed expected maximum value of Biotic Structure attribute from 84 to 36 for Playas and Vernal Pools and 48 for all other wetland classes.
  • Vol 1, pp. 68-71: Changed “metric” to “submetric” for discussion of the four submetrics of the Plant Community metric.
  • Vol 2, pp.145-6: removed wrackline or organic debris in channel or on floodplain from worksheet 2 since this patch type is not expected in playas.
  • Vol 2, p. 55: Revised “D” narrative for number of plants layers present from "No layers are present" to "0-1 layer is present".
  • Vol 2, pp. 133, 149, 166: Removed shading from scoring sheet for Interspersion and Zonation since this metric is assessed for vernal pools and playas
  • Vol 2: Revised scoring forms to incorporate Plant Community metric

Version 4.2.0 released 8/4/06

Changes in this version

  • Split into two volumes: main manual and assessment forms
  • Created separate volume for assessment forms - all supporting documents included with each class
  • Updated entrenchment ratio and hydrologic connectivity metric bins
  • Revised bins for percent co-dominant species that are non-native
  • Added confined v. unconfined diagram
  • Revised scoring to a 1-12 scale for all metrics

Version 4.1 released 7/11/06

Changes in this version

  • Separated estuarine class into two sub-classes: saline and non-saline

Version 4.0 released 5/25/06