This List of Acronyms and other Abbreviations was compiled from the coral, coral reef, marine tropical ecosystems, and related peer-reviewed literature, grey literature, and other written and electronic reports, including e-mail messages. The terms on the list number nearly 3,600 (as of February 2010) and continue to grow on a daily to weekly basis. CoRIS invites readers to suggest additional acronyms and abbreviations via or

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Acronyms A - Z Pages

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N-SPECT Non-Point Source Pollution and Erosion Comparison Tool
N/F Nowcast/Forecast
N2O Nitrous Oxide
NA Netherlands Antilles
NA National Aquarium (Baltimore)
NA National Aquarium (Washington, D.C./DOC)
NAAEE North American Association for Environmental Education
NAC North Atlantic Current
NaCN Sodium Cyanide
NACRI Netherlands Antilles Coral Reef Initiative (NA)
NAD Nicotinamide adenine dinucleotide
NADAREP National Directorate of Aquatic Resources Exploitation and Protection (Republic of Vietnam)
NADH Nicotinamide Adenine Dinucleotide (reduced form of NAD)
NADP Nicotinamide adenine dinucleotide phosphate
NAF National Adaptation Forum
NAFC Northwest Atlantic Fisheries Center (NOAA)
NAFO Northwest Atlantic Fishery Organization
NAFTA North American Free Trade Agreement
NaGISA Natural Geography in Shore Areas; Natural Geography in Near Shore Areas
NAH Non-aromatic Hydrocarbon
NAM NOAA Action Memorandum
NAMDI National Marine Data Inventory (NODC)
NAME Northwest Aquatic and Marine Educators
NAML National Association of Marine Laboratories
NAMPAN North American Marine Protected Area Network
NAMS North American Monsoon System
NANCI Netherlands Antilles Nature Conservation Initiative (NA)
NANOOS Northwest Association of Networked Ocean Observing Systems
NANPCA Nonindigenous Aquatic Nuisance Prevention and Control Act
NAO NOAA Administrative Order
NAO North Atlantic Oscillation
NAO/NHM North Atlantic Oscillation/Northern Hemisphere Annular Mode
NAP National Action Plan
NAP U.S. National Action Plan to Conserve Coral Reefs
NAP National Adaptation Plan
NAP North American Profile
NAP National Academies Press
NAPA National Academy of Public Administration
NAPA National Adaptation Programmes of Action
NAPL Non-Aqueous Phase Liquid
NAR Natural Area Reserve
NARA National Aquatic Research and Resources Development Agency
NARA National Archives & Records Administration
NARAC National Atmospheric Release Advisory Center
NARCCAP North American Regional Climate Change Assessment Program
NARR North American Regional Reanalysis
NARS Hawaii Natural Area Reserve System
NARS Natural Area Reserve System
NART North Atlantic Regional Team (NOAA)
NAS National Academy of Sciences
NAS Nonindigenous Aquatic Species
NAS National Coral Reef Action Strategy
NASA National Aeronautics and Space Administration
NASBA Nucleic Acid Sequence Based Amplification
NASDS   National Association of Scuba Diving Schools
NASKW Naval Air Station Key West
NAUI National Association of Underwater Instructors
NAVD North American Vertical Datum
NAVFAC Naval Facilities Engineering Command
NAVO Naval Oceanographic Office
NAVOCEANO Naval Oceanographic Office
NAVSEA Naval Sea Systems Command
NAWC Northern Area of the Wider Caribbean
NAWQA National Water Quality Assessment
NAZ No Activity Zone
NBAP National Biodiversity Action Plan (CI)
NBCCAP National Biodiversity and Climate Change Action Plan
NBF National Biodiversity Framework
NBI National Benthic Inventory
NBI National Bureau of Investigation
NBII National Biological Information Infrastructure (USGS)
NBP NOS Biogeography Program  (NOAA)
NBS National Biological Service
NBS National Biological Survey
NBSAP National Biodiversity Strategy and Action Plan
NBST National Biological Status and Trends Program (NOAA)
NC Nature Conservancy
NC New Construction
NCA Needs and Capabilities Assessment
NCA National Coastal Assessment
NCAR National Center for Atmospheric Research
NCBI National Center for Biotechnology Information
NCBO NOAA Chesapeake Bay Office
NCBR New Caledonia Barrier Reef
NCCARF National Climate Change Adaptation Research Facility
NCCOS National Centers for Coastal Ocean Science (NOAA)
NCCRS National Climate Change Response Strategies
NCDC National Climatic Data Center (NOAA)
NCDDC National Coastal Data Development Center (NOAA)
NCEAS National Center for Ecological Analysis and Synthesis
NCEP National Centers for Environmental Prediction (NOAA)
NCEP EMC National Center for Environmental Prediction - Environmental Modeling Center
NCI National Cancer Institute (HHS/NIH)
NCL NOAA Central Library
NCMC National Coalition for Marine Conservation
NCMP National Coastal Management Program
NCMPMS National Coastal Management Performance Measurement System
NCMR National Centre for Marine Research (Greece)
NCOCZM National Council on Ocean and Coastal Zone Management
NCOF The National Centre for Ocean Forecasting
NCOM Navy Coastal Ocean Model
NCOP National Current Observation Program (NOAA)
NCORE National Center for Coral Reef Research
NCORE National Center for Caribbean Coral Reef Research
NCP Net Community Production
NCPM NOAA Coastal Wetlands Planning, Protection and Restoration Act (CWPPRA) Project Monitoring (NOAA)
NCRCP NOAA Coral Reef Conservation Program (NOAA)
NCREMP National Coral Reef Ecosystem Monitoring Program (NOAA)
NCRI National Coral Reef Institute
NCRIS National Collaborative Research Infrastructure Strategy (Australia)
NCRMN Nauru Coral Reef Monitoring Network
NCRMP National Coral Reef Monitoring Program (CRCP/NOAA)
ncRNA Non-Coding RNA
NCRPS Negril Coral Reef Preservation Society (Jamaica)
NCRS National Resource Conservation Service
NCRS Novel Carbon Resource Sciences
NCS NOAA Climate Service
NCS National Conservation Strategy
NCS Nature Conservation Sector
NCSA National Capacity Self-Assessment (UN)
NCSE National Council for Science and the Environment
NCSU North Carolina State University
NCWCGP National Coastal Wetlands Conservation Grant Program
NDA National Diagnostic Analysis
NDAC National Data Assembly Center
NDBC National Data Buoy Center (NOAA)
NDC NOAA Data Centers
NDF Non-Detriment Finding
NDIR Non-Dispersive Infrared (NDIR)
NDL     No Decompression Limit
NDVI Normalized Difference Vegetation Index
NEA New England Aquarium
NEA Northeast Regional Aqueduct
NEA National Environmental Agency (Singapore)
NEAFC Northeast Atlantic Fisheries Commission
NEAO Northeast Atlantic Ocean
NEAP National Environmental Action Plan
NEAq New England Aquarium
NEAR-GOOS North East Asian GOOS
NEBF New England Biolabs Foundation
NEC NOAA Executive Council
NEC North Equatorial Current
NECC North Equatorial Counter Current
NECOP Nutrient Enhanced Coastal Ocean Productivity (NOAA/AOML)
NEDRES National Environmental Data Referral Service
NEE Net Ecosystem Exchange
NEECC Northeastern Ecological Corridor Coalition
NEEF National Environmental Education Foundation
NEEPP Northern Everglades and Estuaries Protection Program
NEFA Non-Esterized Fatty Acid
NEFMC New England Fishery Management Council
NEGOA Northeastern Gulf of Alaska
Negril EPA Negril Environmental Protection Area (Jamaica)
NELHA  Natural Energy Laboratory of Hawaii Authority
NEMA National Environment Management Authority (Kenya)
NEMAP National Environment Management Action Plan
NEMI National Environmental Methods Index
NeMO New Millennium Observatory (NOAA)
NEMO Nonpoint Source Education for Municipal Officials
NEMP National Environmental Management Program (Mozambique)
NEOCO Network for Environmental Observations of the Coastal Ocean (UCSC)
NEODAT Inter-Institutional Database of Fish Biodiversity in the Neotropics
NEON National Ecological Observatory Network
NEP National Estuary Program
NEP NOAA Executive Panel
NEPA National Environmental Policy Act
NEPA National Environment and Planning Agency (Jamaica)
NEPA National Environmental Protection Agency (China)
NEPA National Environmental Protection Act
NEPAD New Partnership for Africa’s Development
NEPC National Environmental Protection Council
NEPT Negril Area Environmental Protection Trust (Jamaica)
NER Northeast Region
NERACOOS Northeastern Regional Association of Coastal Ocean Observing Systems
NERC Natural Environment Research Council (UK)
NERI National Estuary Restoration Inventory (NOAAI)
NERL National Exposure Research Laboratory
NERO Northeast Regional Office (NMFS/NOAA)
NERR National Estuarine Research Reserve (NOAA)
NERR Natural England's Research Report
NERRA National Estuarine Research Reserve Association
NERRS National Estuarine Research Reserve System (NOAA)
NERSM Northern Everglades Regional Simulation Model
NES New England Seamounts
NESDIS National Environmental Satellite, Data and Information Service (NOAA)
NEST Network for Endangered Sea Turtles
NEST Nuclear Emergency Support Team
NET-BIOME NETworking Tropical and Subtropical BIodiversity Research in OuterMost Regions and Territories of Europe
NetCDF Network Common Data Form
Network Marine Fish Conservation Network
NEUBrew NOAA-EPA Brewer Spectrophotometer UV and Ozone Network
NEWIS NOAA Extreme Weather Information Sheet (NOAA)
NF Non-Federal
NFCC National Fisheries Conservation Center
NFHAP National Fish Habitat Action Plan
NFP National Focal Point
NFRA National Federation of Regional Associations for Coastal and Ocean Observing
NFS NOAA Fisheries Service (NMFS)
NFWF National Fish and Wildlife Foundation
NGDC National Geophysical Data Center (NOAA)
NGED Network in Genes and Environment in Development
NGI Northern Gulf Institute (NOAA/MSU)
NGLI Northern Gulf of Mexico Littoral Initiative
NGO Non-governmental organization
NGoM-HYCOM Northern Gulf of Mexico Hybrid Coordinate Ocean Model (RSMAS)
NGOMEX Northern Gulf of Mexico Ecosystems and Hypoxia Assessment Program (NOAA)
NGOS North Gulf Oceanic Society
NGRI National Geophysical Research Institute (India)
NGRU Northern Gulf Recovery Unit
NGS National Geodetic Survey (NOAA)
NGS Next Generation Sequencing (or Second-Generation sequencing or High-Throughput Sequencing)
NGSP Next Generation Strategic Plan (NOAA)
NGVD National Geodetic Vertical Datum
NH New Hebrides (Vanuatu)
NHC National Hurricane Center (NOAA)
NHCS Nevis Historical and Conservation Society (NEVIS)
NHEERL National Health and Environmental Effects Research Laboratory
NHEML National Hurricane and Experimental Meteorology Laboratory (NOAA)
NHGRI National Human Genome Research Institute (NIH)
NHK Japan Broadcasting Corporation
NHL Newport Hydrographic Line
NHMLAC   Natural History Museum of Los Angeles County
NHP National Historic Park
NHRL National Hurricane Research Laboratory (NOAA)
NI Nicholas Institute (Duke Univerfsity)
NIA Nutrient Indicating Algae
NIC National Incident Command
NIEHS National Institute of Environmental Health Sciences
NIEPS Nicholas Institute for Environmental policy Solutions (Duke University)
NIES National Institute for Environmental Studies
NIGMS National Institute of General Medical Sciences
NIH National Institutes of Health
NII National Information Infrastructure
NIO National Institute of Oceanography (India)
NIOO Netherlands Institute of Ecology
NIOP Netherlands Indian Ocean Program
NIP National Implementation Plan
NIPAP National Integrated Protected Areas Program
NIPAS National Integrated Protected Areas System Act (Philippines)
NIR Near-Infrared
NIS Non-Indigenous Species
NISA National Invasive Species Act
NISC National Invasive Species Committee (Palau)
NISP National Implementation Support Partnership
NISSP National Invasive Species Strategic Plan (Bahamas)
NIST National Institute of Standards and Technology
NIWA National Institute of Water & Atmospheric Research Ltd. (New Zealand)
NJCA Northern Jamaica Conservation Association
NJCA Northern Jamaica Conservation Association
NKS Nino Konis Santana Park (Timor-Leste)
nl nanoliter
NL Newfoundland
NLI Northern Line Islands
NLM National Library of Medicine
NLOM Navy Research Laboratory’s (NRL) Layered Ocean Model
NLRP National Lionfish Response Plan (Bahamas)
NLSST Non-Linear Sea Surface Temperature
NM National Monument
nm nanometer
NM Nautical Miles
NMAO NOAA Marine and Aviation Operations
NMC National Mariculture Centre
NMC Northern Marianas College
NMCA National Marine Conservation Area (Canada)
NMEA National Marine Educators Association
NMEA National Marine Electronics Association
NMFS National Marine Fisheries Service (NOAA)
NMFS NWR National Marine Fisheries Service Northwest Region
NMFS SWR National Marine Fisheries Service Southwest Region
NMHS National Meteorological and Hydrographic Service
NMI Northern Mariana Islands
NMITA Neogene Marine Biota of Tropical America
NMML National Marine Mammal Laboratory (NOAA)
NMMTB National Marine Mammal Tissue Bank (NMFS/NOAA)
NMNH National Museum of Natural History
NMP Ningaloo Marine Park (Australia)
NMP Negril Marine Park (Jamaica)
NMPAC National Marine Protected Areas Center (NOAA)
NMR Nuclear Magnetic Resonance
NMS National Marine Sanctuaries
NMSA National Marine Sanctuaries Act
NMSAS National Marine Sanctuary of American Samoa
NMSC National Marine Science Centre (Australia)
NMSF National Marine Sanctuary Foundation
NMSP National Marine Sanctuaries Program (NOAA)
NMTC National Mexican Turtle Center (Centro Mexicano de la Tortuga)
NMWG National Manatee Working Group
NNDC NOAA National Data Centers
NNI National Nanotechnology Initiative
NNR NCEP-NCAR Reanalyses
NNSA National Nuclear Security Administration
NNWR Navassa National Wildlife Refuge
NO Nitrogen Oxide
NO2 Nitrogen Dioxide
NOAA National Oceanic and Atmospheric Administration
NOAA Fisheries National Marine Fisheries Service (NOAA)
NOAA OLE NOAA Office of Law Enforcement
NOAA RC NOAA Restoration Center
NOAA Research Office of Oceanic and Atmospheric Research (NOAA)
NOAA RESTORE Act Science Program Gulf Coast Ecosystem Restoration Science, Observation, Monitoring, and Technology Program
NOAA-USAID PSIDS project Enhance Global Climate Change Adaptation Capacity in Pacific Islands Developing States
NOAP National Ocean Acidification Program
NOC National Ocean Council
NOC Network Operations Center (NOAA)
NOC NOAA’s Ocean Council
NOC-C NOAA Ocean and Coastal Council
NODC National Oceanographic Data Center (NOAA)
NOEP National Ocean Economics Program
NOGAPS Navy Operational Global Atmospheric Prediction System
NOHARM NOAA Habitat Restoration Monitoring (NOAA)
NOI Notice of Intent
NOM Natural Organic Matter
NOMADS National Operational Model Archive and Distribution System
Non-USAPI Region Non-U.S. Affiliated Pacific Islands Region (Nauru, Honiara, Funafuti, Penrhyn, Kanton, Christmas, Rarotonga, Papeete, and Rikitea)
NOO National Oceans Office (Australia)
NOP National Oceanic Program
NOP National Observer Program (NOAA)
NOPP National Oceanographic Partnership Program
NOPPO National Ocean Pollution Program Office (NOAA)
NORLC National Oceanographic Research Leadership Council
NORPAC North Pacific
NOS National Ocean Service (NOAA)
NOSA NOAA Observing System Architecture
NOSB National Ocean Sciences Bowl (NOAA)
NOSC NOAA Observing System Council
NOSU Negros Oriental State University (Philippines)
Noumea Convention Shorthand for the Convention for the Protection of the Natural Resources and Environment of the South Pacific Region
NOV Notice of Violation
NOVA Notice of Violation and Assessment
NOWPAP Northwest Pacific Action Plan
NOWRAMP Northwestern Hawaiian Islands Coral Reef Assessment and Monitoring Program
NOX Nitrogen Oxides
NP National Park
NP Non-Point Source Pollution
NPAPSP National Protected Areas Policy and System Plan (Belize)
NPAS National Park of American Samoa
NPCREP North Pacific Climate Regimes and Ecosystem Productivity
NPD Nicotinamide Adenine Dinucleotide
NPDES National Pollutant Discharge Elimination System
NPED National Policy and Evaluation Division (NOAA)
NPFC North Pacific Fisheries Commission
NPFMC North Pacific Fishery Management Council
NPG Nature Publishing Group
NPGO North Pacific Gyre Oscillation
NPL National Priorities List
NPN National Phenology Network
NPO Non-Profit Organization
NPOA National Plan of Action
NPOESS The National Polar-orbiting Operational Environmental Satellite System (NOAA)
NPP Net Primary Production.
NPP NPOESS Preparatory Project
NPQ Nonphotochemical Quenching
NPRB North Pacific Research Board
NPS Nonpoint Source
NPS National Park Service (DOI)
NPS I & M National Park Service Inventory and Monitoring (Program)
NPSA National Park of American Samoa
NPSG North Pacific Subtropical Gyre
NPSSRC National Park Service Submerged Resources Center
NPV Net Present Value
NPWAC National Parks and Wildlife Advisory Council (Australia)
NPWS National Parks and Wildlife Service (Australia)
NPWS New South Wales National Parks and Wildlife Service
NR Natural Reserve
NR Nuclear Receptor
NRAP NOAA Rotational Assignment Program
NRAS Natural Resources Assessments Surveys (Marshall Islands)
NRC National Research Council
NRC NOAA Restoration Center (NOAA)
NRC National Response Center
NRCA Natural Resources Conservation Authority (Jamaica)
NRCan Natural Resources Canada (BIO/Canada)
NRCS Natural Resources Conservation Service
NRDA Natural Resource Damage Assessment
NRDA National Resource Damage Assessment
NRDC Natural Resources Defense Council
NREED Natural Resources and Environmental Education Division (PCC)
NREL National Renewable Energy Laboratory
NREL National Renewable Energy Laboratory
NRF National Research Foundation (South Africa)
NRHP National Register of Historic Places
NRIC National or Regional Implementation Committee
NRInfo Natural Resource Information Portal
NRL Naval Research Laboratory
NRM Natural Resource Management (Australia)
NRMP Natural Resources Monitoring Partnership
NROC Northeast Regional Ocean Council
NRP Ningaloo Research Program (Australia)
NRPMD Natural Resources Planning and Management Division
NRSMPA National Representative System of Marine Protected Areas (Australia)
NRT Navigational Response Team
NRT Near- Real Time
NRT National Response Team
NRU Northern Recovery Unit
NS Nordic Sea
NS National Seashore
NS Nova Scotia
NS Near Shore
NS&T National Status and Trends Program (NOAA)
NSB National Science Board
NSCA Natural Science Collections Alliance
NSDI National Spatial Data Infrastructure
NSDL National Science Digital library
NSF National Science Foundation
NSF-ATE National Science Foundation - Advanced Technological Education (NSF)
NSGCP National Sea Grant College Program
NSGO National Sea Grant Office (NOAA)
NSM Natural System Model
NSOM Near-field Scanning Optical Microscopy
NSP Neurotoxic Shellfish Poisoning
NSR Northern Sea Route
NSRGP National Species Recovery Grant Program
NSRS National Spatial Reference System (NOAA)
NSSD National Strategy for Sustainable Development
NSSL National Severe Storms Laboratory
NSTA National Science Teachers Association
NSTC National Science and Technology Council
NSU Nova Southeastern University
NSU OC Nova Southeastern University Oceanographic Center
NSUOC Nova Southeastern University Oceanographic Center
NSW Natural Sea Water
NSW New South Wales (Australia)
NSWC Naval Surface Warfare Center (NSWC)
NSWEPA New South Wales Environmental Protection Authority (Australia)
NSWMPA New South Wales Marine Parks Authority (Australia)
NSWSMPA New South Wales System of Marine Protected Areas (Australia)
NTA No-Take Area
NTC National Training Council
NTC National Tidal Centre (Kiribati)
NTER North Tortugas Ecological Reserve (NOAA)
NTIA National Telecommunications and Information Administration (DOC)
NTIS National Technical Information Service (DOC)
NTL Notice to Lessees
NTL Notices to Lessees and Operators
NTMR No-Take Marine Reserve
NTPICM National training Program on Integrated Coastal Management
NTU Nephelometric Turbidity Unit
NTU Nephalometric Units
NU Newcastle University
NURC National Undersea Research Center (NOAA)
NURC NATO Undersea Research Center
NURC-UConn Undersea Research Center at the University of Connecticut
NURP National Undersea Research Program (NOAA)
NVDC National Vessel Documentation Center (U.S. Coast Guard)
NWAFC Northwest and Alaska Fisheries Centers
NWCMP National Wetland Conservation and Management Programme (India)
NWFSC Northwest Fisheries Science Center (NMFS/NOAA)
NWHI Northwestern Hawaiian Islands
NWHIMNM Northwestern Hawaiian Islands Marine National Monument
NWHINWR Northwest Hawaiian Islands National Wildlife Refuge
NWIFC Northwest Indian Fisheries Commission
NWIS National Water Information System
NWP Naval Warfare Publication (DoD)
NWP Nation Wide Permit
NWP Northwest Passage
NWPO North Western Pacific Ocean
NWR National Wildlife Refuges (USA)
NWR Northwest Region
NWRC National Wetlands Research Center (USGS)
NWRO Northwest Regional Office
NWRS National Wildlife Refuge System
NWRSAA National Wildlife Refuge System Administration Act
NWRSIA National Wildlife Refuge System Improvement Act
NWS National Weather Service (NOAA)
NWS National Wildlife Service
NWSFO HFO National Weather Service Forecast Office, Hawaii Forecast Office
NYC National Youth Councils
NYUAD New York University Abu Dhabi
NZ New Zealand
NZASRoF New Zealand American Submarine Ring of Fire Expedition
NZODA New Zealand Government Overseas Development Agency
NZP National Zoological Park