California Rapid Assessment Method for Wetlands - State Water ...

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California Rapid Assessment Method for Wetlands v. 5.0.2 – Table Contents LIST OF FIGURES Figure 2.1: Spatial hierarchy of factors that control wetland conditions...................................12 Figure 2.2: Spatial hierarchy of stressors, buffers, and wetland condition................................12 Figure 3.1: Using backshores, foreshores, and wetland boundaries to wetlands .....................19 Figure 3.2: Flowchart to determine wetland type and sub-type..................................................21 Figure 3.3: Illustrations of riverine confinement and entrenchment. ........................................22 Figure 3.4: Cross-section of riverine AA........................................................................................32 Figure 3.5: Example of an estuarine wetland and a characteristic Assessment Area...............33 Figure 3.6: Example map of one vernal pool system and its component elements. ...............34 Figure 3.7: Example graphs for displaying CRAM results. .........................................................39 Figure 4.1: Method to assess Landscape Connectivity of riverine wetlands.. ..........................46 Figure 4.2: Diagram of buffer and non-buffer land cover types. ...............................................48 Figure 4.3: Examples of method used to estimate Buffer Width...............................................50 Figure 4.4: Diagram of approach to estimate Buffer Width for Riverine AAs. .......................51 Figure 4.5: Parameters of Channel entrenchment. .......................................................................63 Figure 4.6: Scale-independent schematic profiles of Topographic Complexity.......................72 Figure 4.7: Diagram of plant zone interspersion for Lacustrine, Depressional, Playas, and Slope wetlands ...........................................................................................83 Figure 4.8: Diagram of plant zone interspersion for Individual Vernal Pools. ........................84 Figure 4.9: Diagram of plant zone interspersion for Riverine wetlands....................................84 Figure 4.10: Diagrams of plant zone interspersion for Perennial Saline, Non-saline, and Seasonal Estuarine wetlands.................................................................................85 Figure 4.11: Diagrams of vertical interspersion of plant layers for Riverine wetlands and for Depressional and Lacustrine wetlands having Tall or Very Tall plant layers. .....................................................................................................................88 Figure 4.12: Diagrams of entrained plant canopies in ESturaine wetlands and in Depressional and Lacustrine, wetlands dominated by emergent monocots or lacking Tall and Very Tall plant layers.. ..............................................89 viii
California Rapid Assessment Method for Wetlands v. 5.0.2 – Table Contents LIST OF TABLES Table 4.1: Basic outline of CRAM development................................................................................13 Table 2.2: CRAM Site Attributes and Metrics. ...................................................................................14 Table 2.3: Expected relationships among CRAM attributes, metrics, and key services……... ..15 Table 3.1: Steps for using CRAM. ........................................................................................................17 Table 3.2: Example of background materials......................................................................................17 Table 3.3: Guidelines to delineate a wetland for the purpose of CRAM........................................19 Table 3.4: The CRAM Wetland Typology...........................................................................................20 Table 3.5: Examples of features that should be used to delineate AA boundaries. ........................29 Table 3.6: Examples of features that should not be used to delineate any AAs.............................29 Table 3.7: Preferred and minimum AA sizes for each wetland type. ..............................................30 Table 3.8: Guidelines for determining the number of AAs per wetland. .......................................31 Table 3.9: Steps to delineate a vernal pool system and its component large and small pools….34 Table 3.10: CRAM metrics suitable for pre-site visit draft assessment.............................................36 Table 3.11: Steps to calculate attribute scores and AA scores............................................................38 Table 3.12: Recommended topics of initial QA/QC...........................................................................40 Table 4.1: Rating for Landscape Connectivity for all wetlands except Riverine............................45 Table 4.2: Steps to assess Landscape Connectivity for riverine wetlands.......................................45 Table 4.3: Rating for Landscape Connectivity for Riverine wetlands. ............................................46 Table 4.4: Guidelines for identifying wetland buffers and breaks in buffers. ................................49 Table 4.5: Rating for Percent of AA with Buffer. ..............................................................................49 Table 4.6: Steps to estimate Buffer Width for all wetlands...............................................................50 Table 4.7: Rating for Average Buffer Width. ......................................................................................52 Table 4.8: Rating for Buffer Condition................................................................................................52 Table 4.9: Rating for Water Source. .....................................................................................................55 Table 4.10: Field Indicators of Altered Hydroperiod. .........................................................................57 Table 4.11a: Rating of Hydroperiod for Depressional, Lacustrine, Playas, and Slope. ....................57 Table 4.11b: Rating of Hydroperiod for Individual Vernal Pools and Pool Systems. ......................58 Table 4.12: Rating of Hydroperiod for Perennial Estuarine wetlands. .............................................59 Table 4.13: Rating of Hydroperiod for Seasonal Estuarine wetlands................................................59 Table 4.14: Rating for Riverine Channel Stability.................................................................................62 Table 4.15a: Rating of Hydrologic Connectivity for Non-confined Riverine wetlands. ..................64 Table 4.15b: Rating of Hydrologic Connectivity for Confined Riverine wetlands............................64 ix
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Laurel % Steve Landscape Joshua Ave
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