(CRAM) For Wetlands User's Manual Version 5.0.2

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Lacustrine and riparian wetlands, Phillip Burton Wilderness, Point Reyes National Seashore 108 Joshua N. Collins
California Rapid Assessment Method for Wetlands v. 5.0.2 – Appendix III APPENDIX III: GLOSSARY aggradation – filling and raising of the level of the bed of a stream by deposition of sediment; the opposite of degradation allochthanous – external source of energy for a stream (e.g., dead leaves, branches, and dead trees that fall into the river) alluvial – refers to natural, channelized runoff from terrestrial terrain and the material borne or deposited by such runoff anthropogenic – arising from human activity assessment area – the portion of a wetland or riverine system that is the subject of the CRAM evaluation assessment window – the period of time when assessments of wetland condition should be conducted. In general, it is during the growing season for the characteristic plant community of the wetland type to be assessed. attribute – attributes constitute the obvious, universal aspects of wetland condition; CRAM recognizes a total of four attributes of condition within a wetland: (1) buffer and landscape context; (2) hydrology; (3) physical structure; and (4) biotic structure. avulsion – sudden movement of fluvial flow entirely or in part from one channel to another, less sinuous and steeper channel, usually during flood flows bankfull – height of fluvial flow corresponding to the floodplain bar – an alluvial or tidal deposit of sand, gravel, cobble, or other material within a channel. that directs flow and is often exposed during low-water periods barrier beach – a natural area of sand or gravel along a lacustrine, marine or estuarine shore that blocks the landward action of tides or waves benthic – pertaining to the sea bed, river bed, or lake floor braided – a stream that forms an interlacing network of branching and recombining channels separated by floodplains, channel bars, or islands buffer – for the purposes of CRAM, the area extending from the immediate edge of the AA that is in a natural, or semi-natural, state and protects the AA from stressors catchment – synonymous with watershed. An area of land, bounded by a drainage divide, which drains to a fluvial channel or water body. 109
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LIST OF WORKSHEETS Worksheet 4.1: L
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2.0 Overview California Rapid Asses
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2.3 Developmental Framework Califor
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KEY SERVICES Short- or long-term su
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3.0 Summary California Rapid Assess
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4.0 Summary California Rapid Assess
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(CRAM) For Wetlands User's Manual Version 5.0.2

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