Coastal and Marine Ecological Classification Standard (CMECS)
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1 Coastal and Marine Ecological Classification Standard (CMECS) Mark Finkbeiner NOAA Coastal Services Center Presented at the International Workshop on Seabed Mapping Methods and Technology 18 October 2012
2 Why CMECS? Currently over 100 systems used for classifying benthic habitats * Few systems used by more than one party/advocate Most systems tied to a particular technology Most coastal/marine mapping done on a local or state level No existing marine or pelagic standard beyond Cowardin * Diaz, Solan & Valente, 2004 Journal of Environmental Management
3 What Is CMECS? What CMECS is: A catalog of terms A framework for organizing observational information What CMECS is not: A mapping protocol An analytical method for comparing ecosystem units
4 CMECS Characteristics Accommodates biological, geological, chemical, and physical data in single structure Complies with Federal Geographic Data Committee standards and other accepted approaches Is sensor-independent and suitable for multiple applications Facilitates data sharing and integration
5 Where Would You Use CMECS? All waters, substrates, biotic communities, and structural features of the coastal and marine realms extending: Landward To tidal splash zone of coasts, intertidal and brackish wetlands, and deep waters of Great Lakes Up river or estuary To head of tide, where tide is > 0.2 ft (0.06 m) for at least part of month Seaward To deep ocean, including all continental and oceanic waters and bottom areas
6 Source Data Accomodated by CMECS Multi-spectral Imagery Acoustic Backscatter Grabs/Cores Satellite Oceanographic Data LIDAR Elevation and Intensity Videography Bathymetric DEMs Buoy Data CTD Samples ADCP
7 Biogeographic Setting Modifiers CMECS Structure Components Water Column Component (WC) Biotic Component (BC) Substrate Component (SC) Structure and features of water column Assemblages of benthic and suspended/floating organisms Character and composition of surface and near-surface substrates Aquatic Setting Geoform Component (GC) Geomorphic and structural character of coast or seafloor
8 Biogeographic Setting Modifiers CMECS Structure Components Water Column Component (WC) Biotic Component (BC) Substrate Component (SC) Structure and features of water column Assemblages of benthic and suspended/floating organisms Character and composition of surface and near-surface substrates Aquatic Setting Geoform Component (GC) Geomorphic and structural character of coast or seafloor Biotope: Combination of abiotic features and associated species
9 Biogeographic Setting Defined by climate, geological setting, evolutionary history, and existing biota Three hierarchical levels: Realm Province Ecoregion
10 Aquatic Setting Defined by salinity, proximity to the coast, and tidal regime Three hierarchical levels: System Subsystem Tidal Zone
11 Biotic Component Composition of floating, suspended, attached, and soft sediment biota Four hierarchical levels: Class Subclass Biotic Group Biotic Community
12 Substrate Component Composition of upper layer of hard substrate or upper 15 centimeters of soft substrate Four hierarchical levels: Class Subclass Substrate Group Substrate Subgroup
13 Geoform Component Major geomorphic features of coast and seafloor at various scales Three subcomponents: Tectonic Setting Physiographic Setting Geoforms (Levels 1 and 2)
14 Subcomponent Concept Geoform Component Tectonic Setting Physiographic Setting Geoform Origin Geoform Level 1 Level 2 Geoform Type Level 1 Level 2 Abyssal Plain Abyssal/Submarine Fan Geologic Apron x Convergent Active Continental Margin Barrier Reef Bank x Divergent Active Continental Margin Bight Bar x x Bay Mouth Bar x Fracture Zone Borderland Longshore Bar x Spreading Center Continental/Island Rise Point Bar x Mid-Ocean Ridge Continental/Island Shelf Relict Longshore Bar x Passive Continental Margin Continental/Island Shore Complex Basin x Transform Continental Margin Continental/Island Slope Beach x x Barrier Beach x x Tectonic Trench Embayment/Bay Mainland Beach x x Fjord Pocket Beach x Inland/Enclosed Sea Tide-Modified Beach x x Lagoonal Estuary Tide-Dominated Beach x x Major River Delta Wave-Dominated Beach x x Marine Basin Floor Beach Berm x x Ocean Bank/Plateau Boulder Field x Riverine Estuary Cave x Shelf Basin Channel x x Pass/Lagoon Channel x Shelf Break Sand Channel x Sound Slough x Submarine Canyon Tidal Channel/Creek x x Trench Cone x x Cove x x Barrier Cove x x Mainland Cove x x
15 Water Column Component Structures, layers, and character of water column Five subcomponents: Water Column Layer Salinity Regime Temperature Regime Hydroforms Biogeochemical Features
16 Modifiers 34 additional variables used to further describe standard units Examples: Energy Level Percent Cover Slope Rugosity
17 Attributing Observations and Mapping Scale or Minimum Mapping Unit defined by user Spatial Dominance for primary attribution Co-occurring Elements for additional constituents Provisional Units proposed by users Ephemeral Units No requirement to use units or components for which you don t have data No requirement to remove more detailed information
18 Underwater Video Example Biogeographic Setting: Northern Gulf of Mexico Aquatic Setting: Marine Nearshore Subtidal Biotic Component (BC): Class: Aquatic Vegetation Bed Subclass: Rooted Vascular Vegetation Biotic Group: Seagrass Bed Biotic Community: Thalassia Seagrass Co-Occurring Element: Leathery or Leafy Macroalgae Substrate Component (SC): Class: Unconsolidated Mineral Substrate Subclass: Fine Unconsolidated Substrate Group: Sand Geoform Component (GC): Physiographic Setting: Coastal Complex Level 1 Geoform: Lagoon Gulf of Mexico Image: C. Moses Water Column Component (WC): Not used
19 Landscape Mapping Example Source Data Aerial Multi-spectral Imagery (DMC) Collected 27 June 2009 Flown 09:35-10:24 PDT 4-band (B,G,R,Nir) 12-bit Dynamic Range 0.5m Spatial Resolution UTM Zone 10, NAD83
20 Landscape Mapping Example Biotic Component Emergent Marsh Benthic Macroalgae Seagrass Bed Oyster Reef Unclassified
21 Landscape Mapping Example Substrate Component Unconsolidated Substrate Unclassified
22 Landscape Mapping Example Geoform Component Tidal Flat Tidal Channel Marsh Platform Oyster Mariculture
23 Maintaining/Updating CMECS Assembling infrastructure to implement and maintain CMECS Comments continually being captured Peer review process for new units or changes ~ 5 year FGDC review cycle Sharing of provisional units
24 Supporting Users Crosswalk tools Sharing of application results Development of mapping guidance Development of unit codes Training
25 Resources CMECS Web Site CMECS Unit Catalogue Contact Information
26 Questions?
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