CHEARS Glossary
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

1

1000FriendsOfMD — 1000 Friends of Maryland
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A

AAWRA — Anne Arundel Waterway Restoration Alliance
AboutWatersheds — NBC4's About Watersheds
Accokeek Foundation — The Accokeek Foundation
Adopt-A-Watershed VA — Adopt-A-Watershed VA
AdoptAWatershed — Adopt-a-Watershed
AGU — American Geophysical Union
AirQualityIndex (AQI) — A measure of the purity of air for breathing. Air quality also impacts water quality. About 30% of nitrogen polluting the Chesapeake Bay comes from deposition from the airshed, due mainly to N02 emission from cars.
algae — group of primitive, non-flowering plants which include certain seaweeds and microscopic phytoplankton
Alice Ferguson Foundation — Alice Ferguson Foundation
Alliance for the Chesapeake Bay — Alliance for the Chesapeake Bay
American Canal Society — American Canal Society
American Canoe Association — American Canoe Association
American Fisheries Society — American Fisheries Society
American Rivers — American Rivers
American Water Resources Association — American Water Resources Association
American Whitewater — American Whitewater
AMS — The American Meteorological Society
Anacostia River Business Coalition — Anacostia River Business Coalition
Anacostia Riverkeeper — Anacostia Riverkeeper
Anacostia Watershed Citizen's Advisory Committee — Anacostia Watershed Citizen's Advisory Committee
Anacostia Watershed Network — Anacostia Watershed Network
Anacostia Watershed Restoration Committee — Anacostia Watershed Restoration Committee
Anacostia Watershed Society — Anacostia Watershed Society
anadromous fish — fish such as American shad that migrate from their primary habitat in the ocean to freshwater to spawn
anaerobic — not containing oxygen or not requiring oxygen
AnnapolisCreeks — Friends of Annapolis Creeks
anoxic — a condition where no oxygen is present. Much of the "anoxic zone" is anaerobic, with absolutely no oxygen, a condition in which toxic hydrogen sulfide gas is emitted in the decomposition process
AOML — Atlantic Oceanographic & Meteorological Laboratory, NOAA
ArlingtonEnvironment — Arlingtonians for a Clean Environment
ASF — Alexandria Seaport Foundation
ASNV — Audubon Society of Northern Virginia
ATCONF — Appalachian Trail Conference Land Trust
ATHA — Anacostia Trails Heritage Area
Audubon — Audubon Naturalist Society
AZE — Alliance for Zero Extinction - focus on species found in only one remaining, distinct location.
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B

BBRF — Back Bay Restoration Foundation
BCWWG — Beaverdam Creek Watershed Watch Group
BearCreekWatershed — Greater Bear Creek Watershed Association
BeingInPlace — Alliance for Sustainable Communities Web
benthic organism — plant or animal living in or on the bottom in aquatic habitats
Blackwater and Nottoway Riverkeeper — Blackwater and Nottoway Riverkeeper
Blue Ridge Voyagers — Blue Ridge Voyagers
Blue-Heron — Blue Heron Environmental Network, Inc.
BoatUS — Boat U.S. Clean Water Trust
BogTurtleHabitats — Bog Turtle - Environmental Defense Fund
BogTurtleJugsBay — Bog Turtle Conservation in Maryland
BogTurtleProjectNC — Project Bog Turtle in North Carolina Herpetological Society
BogTurtleRestoration — The Nature Conservancy Bog Turtle Restoration Program
brackish water — mixture of fresh and salt water
Brandywine Conservancy — Brandywine Conservancy
BVPA — Brush Valley Preservation Association
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C

Cacapon Institute — Cacapon Institute
Calvert Marine Museum Society — Calvert Marine Museum Society
CandOCanal — C And O Canal Association
CapaconRiver — Friends of the Cacapon River
catadromous fish — fish such as the American eel that migrate from their primary habitat in freshwater to the ocean to spawn
Catoctin Land Trust — Catoctin Land Trust
CBCAC — Chesapeake Bay Critical Area Commission
CBEF — Chesapeake Bay Ecological Foundation, Inc.
CBF — Chesapeake Bay Foundation
CBGS — Chesapeake Bay Governors School
CBP — Chesapeake Bay Program
CBT — Chesapeake Bay Trust
CCADC — Canoe Cruisers Association of Washington DC
CCGH — Canoe Club of Greater Harrisburg
CCHW — Center for Health, Environment and Justice
CCRIC — Citizens to Conserve and Restore Indian Creek
CCSP — Climate Change Science Program - U.S. Federal Gov't agencies' coordinated climate research, monitoring and forecasting program
CCTP — Climate Change Technology Program - U.S. Federal Gov't agencies' strategy to adapt to & mitigate climate change, including energy policy
CDC — Centers for Disease Control and Prevention
CEDS — Community and Environmental Defense Services
CEQ — Council on Environmental Quality
CFC — chlorofluorocarbon
CFCC — Conservancy for Charles County
CFF — Chapman Forest Foundation
CH3SCH3 — dimethyl sulfide
CH4 — methane
Chelonia — World Chelonian Trust
Chesapeake Communities — Center for Chesapeake Communities
Chesapeake Ecology Center — Chesapeake Ecology Center, Annapolis
Chesapeake Native Nursery — Chesapeake Native Nursery
ChesapeakeFromSpace — Chesapeake Bay & MidAtlantic From Space - Towson University
ChesapeakeLandscape — Chesapeake Conservation Landscaping Council
ChesterfieldsRiverfront — Friends of Chesterfields Riverfront
Climate and Radiation — Climate and Radiation Research at NASA
CLIVAR — Climate Variability and Predictability
CMHL — Central Maryland Heritage League
CMLandTrust — Carrollton Manor Land Trust
CO — carbon monoxide
CO2 — carbon dioxide
Coastlines — Sealevel Rise and Coastline Impacts
CommunityCommons — Community Commons
Confluence — The Degree Confluence Project - photograph the world, at integer degrees of (lat,lon)
Confluences — Chears map of places where things merge or flow together (especially rivers);
ConservationFund — Conservation Fund
copepods — minute shrimp-like crustaceans; often they are the most common zooplankton in estuarine waters
CousteauSociety — Cousteau Society
CPP — Center for Positive Practices
CPS — Center for Partnership Studies
CRA — Chester River Association
CRCES — The Center for Research on the Changing Earth System
CWH — Chesapeake Wildlife Heritage
CWP — Center for Watershed Protection
CWPT — Civil War Preservation Trust
CWS — Center for Watershed Stewardship
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D

DE-DNREC — Delaware Department of Natural Resources and Environmental Control
DE-NHESP — Delaware Natural Heritage and Endangered Species Program
decomposers — organisms (chiefly bacteria and fungi) that break down dead organic matter
detritus — decomposed or partly decomposed plant and animal matter
DiscoveryCreek — Discovery Creek Childrens Museum
dissolved oxygen — microscopic bubbles of oxygen that are mixed in the water and occur between water molecules. Dissolved oxygen is necessary for healthy lakes, rivers, and estuaries. Most aquatic plants and animals need oxygen to survive. Fish will drown in water when the
DOC — Department of Commerce(U.S.)
DOD — U.S. Department of Defense
DOE — Department of Energy(U.S.)
DOI — U.S. Department of the Interior
DOS — U.S. Department of State
DOT — U.S. Department of Transportation
DragonRun — Friends of Dragon Run, Inc.
Ducks — Ducks Unlimited
DykeMarsh — Friends of Dyke Marsh, Inc.
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E

Earthcaching — Learning about the Earth using GPS.
EarthForce — Earth Force
EarthForce — Earth Force - Capitol Region
EASI — Environmental Alliance for Senior Involvement
ebb tide — falling or lowering tide
ECC — Earth Conservation Corps
ecology — the study of interrelationships of living things to one another and to their environment
EcoStewards — EcoStewards Alliance Inc
ecosystem — an interactive system of a biological community and its non-living environment
ElizabethRiver — Elizabeth River Project
ElkWatershed — Elk Creeks Watershed Association
EMAP — Environmental Monitoring and Assessment Program(EPA, US)
EnvironmentalConcern — Environmental Concern, Inc.
EnvironmentalEducationOhio — Environmental Education Ohio - Chesapeake case study
EO — Earth Observatory
EOPB — Eyes of Paint Branch
EOS — Earth Observing System
EPA — Environmental Protection Agency(U.S.)
EPA — Environmental Protection Agency - Watershed Projects
EPA - Tutorial — EPA - Water Monitoring Tutorial
EPA - Volunteer Stream Monitoring - Methods Manual — EPA - Volunteer Stream Monitoring - Methods Manual
EPA - Volunteers — EPA - Water Monitoring Volunteers
EPA-Watershed Academy Web — EPA online training in watershed management
EPA4Kids — EPA Kids Page, with downloadable PDF Watershed Introduction
erosion — the wearing away of land surface by wind or water; erosion occurs naturally but it is often intensified by man's land use practices
ESE — NASA's Earth Science Enterprise
ESSIC — Earth System Science Interdisciplinary Center at Univ. of Maryland
estuary — semi-enclosed, tidal, coastal body of water open to the sea in which fresh and salt water mix
eutrophication — the fertilization of surface waters by nutrients that were previously scarce. Eutrophication through nutrient and sediment inflow is a natural aging process by which warm shallow lakes evolve to dry land. Human activities are greatly accelerating the proc
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F

FairfaxReLeaf — Fairfax ReLeaf, Inc.
Fall Line — The boundary between the Piedmont Plateau and the Coastal Plain. Waterfalls and rapids mark this line, which generally follows Interstate 95. Our watershed's fall line crosses the Chears Earth Squad adopted 2-mile segment of the Anacostia's NW branch.
FAO - UN — United Nations Food and Agriculture Organization
FEMA — Federal Emergency Management Agency
flood tide — rising tide
FOE — Friends of the Earth
food chain — the sequence in which energy as food is transferred from one group of organisms to another
food web — complex interaction of food chains in a biological community
FOSC — Friends of Sligo Creek
FOSR — Friends of the Shenandoah River
FOTO — Friends of the Occoquan
FourMileRun — Four Mile Run Program
FriendsOfMD — 1000 Friends of Maryland
FriendsStillCreek — Friends of Still Creek, a tributary of the Anacostia River - contact Kate Levendosky at 202-962-3374
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G

GIS — geographic information system
GISS — Goddard Institute for Space Studies
Glossary — USGS Glossary of water science terms
GloucesterCommunity — Gloucester Clean Community
GooseCreekScenicRiver — Goose Creek Scenic River Advisory Board
GSFC — Goddard Space Flight Center
GwynnsFallsLeakinPark — Friends of Gwynns Falls and Leakin Park
GwynnsFallsWatershed — Gwynns Falls Watershed Association
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H

habitat — the place where a species of plant or animal is able to live
HarfordLandTrust — Harford Land Trust
HarpersFerry — Harpers Ferry Conservancy
HELP — Hydrology for Environment, Life and Policy (UNESCO/WMO)
HeritageConservancy — Heritage Conservancy
HerringRunWatershed — Herring Run Watershed Association
HHS — U.S. Department of Health and Human Services
HofflerCreek — Hoffler Creek Wildlife Foundation
HOPE — Hyattsville Organization for a Positive Environment
HorseheadWetlands — Horsehead Wetlands Center
HPL — Horn Point Environmental Lab Water Monitoring
HuntleyMeadowsPark — Friends of Huntley Meadows Park
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I

IGBP — International Geosphere-Biosphere Programme
InstituteNatureLeadership — Dedicate to promoting the sustaining effects of nature through stakeholder engagement and citizen education.
IPCC — Intergovernmental Panel on Climate Change
IrvineNatureCenter — Irvine Nature Center
IzaakWaltonLeague — Izaak Walton League of America
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J

JamesRiver — James River Association
JCWC — Jefferson County Watersheds Coalition
JCWP — Juniata Clean Water Partnership
JonesFallsWatershed — Jones Falls Watershed Association
JugBay — Jug Bay Wetlands Sanctuary
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K

K-12 — Kindergarten through grade 12
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L

LakeLinganore — Friends of the Lake
LakeLinganore — Lake Linganore Association
LakeLinganoreSociety — Lake Linganore Conservation Society
LaMotte — LaMotte Water Quality Educator and Monitoring Outfit
LancasterCanoe — Lancaster Canoe Club
LEnfantTrust — LEnfant Trust
LoudounWildlife — Loudoun Wildlife Conservancy
LowerEasternShoreHeritage — Lower Eastern Shore Heritage Committee
LRCA — Lackawanna River Corridor Association
LTER — The U.S. Long-Term Ecological Research network
LTER-Baltimore — Baltimore ecosystem study, part of the National Science Foundation's Long-Term Ecological Research Network
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M

MAEOE — Maryland Association for Environmental and Outdoor Education
MagothyRiver — Magothy River Association
MAPA — Mid-Atlantic Paddlers Association
marsh — low, wet grassland without trees, periodically covered by water
MarylandForests — Maryland Forest Association
Mason-DixonCanoe — Mason-Dixon Canoe Cruisers, Inc.
MBSMP — Monocacy Basin Stream Monitoring Project
MCAGFAIR — Montgomery County Agricultural Center
MD-DNR — Maryland Department of Natural Resources
MDLCV — Maryland League of Conservation Voters
MDTributaryTeams — State of Maryland Tributary Teams
MDWRSC — Maryland Wetlands Restoration Steering Committee
MEA — Millennium Ecosystem Assessment of World Health Organization
migration route — Link between two bioregions that permits the interchange of plants and/or animals. Types include corridors, filters, and sweepstakes routes.
MNCPPC — The Maryland-National Capital Park and Planning Commission
MonocacyCanoe — Monocacy Canoe Club
MonocacyCreekWatershed — Monocacy Creek Watershed Association, Inc.
MontgomeryCountyStreams — Montgomery County Streams Team
MPRA — Mattaponi and Pamunkey Rivers Association
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N

N — nitrogen
N-PEC — Nanjemoy-Potomac Environmental Coalition, Inc.
N2O — nitrous oxide
NAEP — National Association of Environmental Professionals
NanjemoyCreek — Nanjemoy Creek Environmental Education Center
NanticokeRiver — Nanticoke Watershed Alliance
NASA — National Aeronautics and Space Administration
NCEP — National Centers for Environmental Prediction(U.S.)
NeighborsNWB — Neighbors of the Northwest Branch
nekton — free swimming aquatic organisms such as fish
NewDream — Center for A New American Dream
NewForestSociety — New Forest Society
NGS — National Geographic Society - Chesapeake Education
NIST — National Institute of Standards and Technology
Nitrogen (N) — an inorganic nutrient essential for plant growth and reproduction when in oxidized forms (nitrate, nitrite, ammonia); excess can cause eutrophication; problems are usually associated with agricultural runoff and sewage
NOAA — National Oceanic and Atmospheric Administration
non point source — coming from a general area such as runoff from farmland or suburban communities
NOx — nitrogen oxides
NRC — National Research Council
NRL — Naval Research Laboratory, Monterey
NSF — National Science Foundation
nutrients — chemicals (primarily nitrogen and phosphorous) necessary for organisms to live
NVCT — Northern Virginia Conservation Trust
NWF — National Wildlife Federation
NWQMN - CEQ proposal — National Water Quality Monitoring Network (CEQ Proposal)
NWS — The National Weather Service(U.S.)
NWTF — The National Wild Turkey Federation
NY-DEC — New York Department of Environmental Conservation
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O

O3 — ozone
OH — hydroxyl radical
OMB — U.S. Office of Management and Budget
ONR — Office of Naval Research
ORION — Orion Society
OSTP — U.S. Office of Science and Technology Policy
OysterRecovery — Oyster Recovery Partnership
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P

PA-DCNR — Pennsylvania Department of Conservation and Natural Resources
PageValley — Friends of Page Valley
ParksAndPeople — Parks and People Foundation
Partners 'n Parks — PG County Partners 'n Parks Program
PATributaryStrategy — State of Pennsylvania Tributary Strategy
Patuxent — Patuxent River Commission
PAWatersheds - POWR — Pennsylvania Organization for Watersheds and Rivers
PaxtonCreekWatershed — Paxton Creek Watershed and Education Association
PECVA — Piedmont Environmental Council
PEEC — Place-Based Education Evaluation Collaborative
PennsValleyConservation — Penns Valley Conservation Association
PGCStreams — Prince Georges County Stream Teams
pH — a measure of the acidity or alkalinity of a material, liquid or solid; estuarine water is naturally, slightly base, while rain is usually slightly acidic.
phosphorus (P) — an inorganic nutrient essential for plant growth and reproduction; excess can cause eutrophication; problems are usually associated with farmland runoff, sewage, and detergents
photosynthesis — the process by which plants convert sunlight into living tissue using carbon dioxide, water, and nutrients; primary production
phytoplankton — the plant form of plankton, most are microscopic; they are important as primary producers in an estuarine ecosystem
plankton — passively drifting or weakly swimming organisms living suspended in the water column, often microscopic but sometimes visible to the naked eye
point source — a localizable definable source, of pollution, for example, such as a leaky gasoline pump
pollution — the addition of a substance(s) to an environment in greater than natural concentrations as a result of human activity producing a net detrimental effect on the environment
PollutionPrevention — National Pollution Prevention Roundtable
PotomacConservancy — Potomac Conservancy
PotomacRefuges — Friends of the Potomac River Refuges
PotomacRiver — Potomac River Association
PotomacRiverBasin — Interstate Commission on the Potomac River Basin
PotomacRiverkeeper — Potomac Riverkeeper
PotomacTrail — Potomac Trail Council
PotomacWatershed — Potomac Watershed Partnership
PRC — Pacific Rivers Council - East
Precipitation-NWS — Precipitation Monitoring by the National Weather Service
PRGC — Potomac River Greenways Coalition
ProPaddle — Professional Paddlesports Association
PSU-CAS — Pennsylvania State University, College of Agricultural Sciences
PWConserve — Prince William Conservation Alliance
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Q

QEW — Quaker Earth Care Witness
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R

RACC — Rockbridge Area Conservation Council
Rappahannock — Friends of the Rappahannock
RAPTOR — Residents Association for Progress in the Town of Riverdale
RichmondAudubon — Richmond Audubon Society
RiverNet — River Network Organization
RiverSmart — River Smart Organization
Roots and Shoots — Roots and Shoots Program--Jane Goodall
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S

salinity — the measurement of the amount of dissolved salts in water, usually measured in parts per thousand; 35 ppt is average for seawater, 0 ppt for freshwater
SCN — Sustainable Communities Network
SCRA — Shamokin Creek Restoration Alliance
SCWC — Spring Creek Watershed Community
SEDAC — Columbia U. Socio-Economic Data and Applications Center - census and related data
sediment — particles which accumulate on the bottom of a waterway
SERC — Smithsonian Environmental Research Center
SevernRiver — Severn River Association
sewage treatment — primary = screening or settling large solids out of sewage (only removes visible material)
ShenandoahValleyPureWater — Shenandoah Valley Pure Water
SierraClub — Sierra Club
SMRP — Saint Marys River Watershed Project
SnakeCreek — Snake Creeks Watershed Association
SO2 — sulfur dioxide
SOS — Save Our Streams
SoutheastWatershed — Southeast Watershed Forum
SouthernAlleghenyConservancy — Southern Allegheny Conservancy
SouthRiver — South River Federation
SpaCreek — Spa Creek Conservancy
SRLT — Severn River Land Trust
Submerged Aquatic Vegetation (SAV) — rooted vegetation which grows beneath the water surface
SUNY-Oneanta-BFS — SUNY Oneanta Biological Field Station
SWAQ — Sub-committee on Water Availability and Quality
SwataraCreekWatershed — Swatara Creek Watershed Association
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T

tides — periodic movement (raising and lowering) of a body of water by the gravitational attraction of the moon and sun with the rotation of the earth
TNC — The Nature Conservancy
TPL — Trust for Public Land
TreeMendous — Tree Mendous Maryland
tributary — stream or river that supplies a larger body of water
TRMM — Tropical Rainfall Measuring Mission
TroutUnlimited — Trout Unlimited
turbidity — the measurement of water cloudiness; it may be affected by sediment and plankton concentrations
TurtleBooks — Turtle Books from California Turtle & Tortoise Club
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U

UGWA — Upper Gila Watershed Alliance, operates from the rural communities of Gila and Cliff, New Mexico.
UMCES — University of Maryland Center for Environmental Science
UN — United Nations
UNDP — United Nations Development Programme
UNEP — United Nations Environment Programme
UNESCO — United Nations Educational, Scientific and Cultural Organization
UNFCCC — UN Framework Convention on Climate Change
USAID — U.S. Agency for International Development
USDA — U.S. Department of Agriculture
USGCRP — U.S. Global Change Research Program
USGS — U.S. Geological Survey
USGS-EDC-DAAC — USGS Land Processes Data (from NASA's MODIS, etc)
UV-B — Ultraviolet-B radiation
UVA-IEN — University of Virginia Institute for Environmental Negotiation
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V

VA-DCR — Virginia Department of Conservation Resources
VAPreservation — Preservation Alliance of Virginia
VASOS — Virginia Save Our Streams Program
VCNS — Virginia Canals and Navigation Society
VINS — Virginia Institute of Marine Science
VSO — Virginia Society of Ornithology
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W

WAAC — Watershed Alliance of Adams County
WasteFreeLunches — Waste Free Lunches
Water Table — The upper boundary or top surface of the zone of saturation in a soil profile or geologic formation.
WaterfordFoundation — Waterford Foundation
WaterQuality — A measure of the purity of drinking water, but there is far more to water quality than water treatment for human consumption.
watershed — a geographical feature on the landscape where precipitation collects and then drains to a common water body (e.g., stream, bay, wetland) and / or sinks into the earth to become ground water. Along the way, water passing through the watershed picks up cont
WAY — Watershed Alliance of York
WBI — Whitehall Bay Institute
WCV — Wildlife Center of Virginia
WeemsCreek — Weems Creek Conservancy
WHO — World Health Organization
WIC — Water Information Center of the National Academy of Science
WildernessSociety — Wilderness Society
WildlifeHC — Wildlife Habitat Enhancement Council
WL-Geology — Washington and Lee Department of Geology
WLT — World Land Trust
WSSC — Washington Suburban Sanitary Commission
WV-DNR — West Virginia Division of Natural Resources
WVRC — West Virginia Rivers Coalition
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Z

zooplankton — animal form of plankton
 
 
 

Updated:
August 20, 2008 in News

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CHEARS Executive Coordinator: Joan Clement

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