Available Translations:
Geirfa Acronymau
Acronym Cymraeg | Disgrifiad Cymraeg | Acronym Saesneg | Disgrifiad Saesneg |
AA | Asiantaeth yr Amgylchedd | EA | Environment Agency |
AAB | Arolwg Adar sy’n Bridio | BBS | Breeding Bird Survey |
AAC | Asesiad Adnoddau Coedwig | FRA | Forest Resources Assessment |
AAC | Awdurdod Afonydd Cenedlaethol | NRA | National Rivers Authority |
ABB | Arolwg Busnes Blynyddol | ABS | Annual Business Survey |
ABFfL | Asid Brasterog sy'n deillio o Ffosffolipidau | PLFAs | Phospholipid-derived fatty acids |
ACA | Ardal Cadwraeth Arbennig | SAC | Special Areas of Conservation |
ACB | Asesiad Cylch Bywyd | LCA | Life Cycle Assessment |
ACG | Arolwg Cefn Gwlad | CS | Countryside Survey |
ACP-AGEG | Adwaith Cadwynol Polymeras - Annatureiddio Graddiant Electrofforesis Gel | PCR-DGGE | Polymerase Chain Reaction - Denaturing Gradient Gel Electrophoresis |
ACPM | Adwaith Cadwynol Polymeras Meintiol | qPCR | quantitative Polymerase Chain Reaction |
AD | Anwedd-drydarthiad | ET | Evapotranspiration |
ADd | Ardal Ddifreintiedig | DA | Disadvantaged Area |
ADd | Arsylwi'r Ddaear | EO | Earth Observation |
ADdD | Ardal Ddifreintiedig Difrifol | SDA | Severely Disadvantaged Area |
ADP | Arolwg Daearegol Prydeinig | BGS | British Geological Survey |
Adwaith Cadwynol Polymeras (APC) | Defnyddir i fwynhau darn targeol o DNA, gan gynhyrchu llawer o gopïau o'r dilyniant DNA penodol hwnnw. | Polymerase chain reaction (PCR) | Used to amplify a targeted piece of DNA, generating many copies of that particular DNA sequence. |
AG | Allyriadau Gronynnol | PE | Particulate Emissions |
AGA | Ardal Gwarchodaeth Arbennig | SPA | Special Protection Area |
AGBCGE | Arolwg Gloӱnnod Byw Cefn Gwlad Ehangach | WCBS | Wider Countryside Butterfly Survey |
AHAAC | Arolwg Hamdden Awyr Agored Cymru | WORS | Wales Outdoor Recreation Survey |
AHNE | Ardal o Harddwch Naturiol Eithriadol | AONB | Areas of Outstanding Natural Beauty |
AIAP | Asiantaeth Iechyd Anifeiliaid a Phlanhigion | APHA | Animal and Plant Health Agency |
ALlFf | Ardal Llai Ffafriol | LFA | Less Favoured Area |
aNDT | Newid Defnydd Tir Anuniongyrchol | iLUC | Indirect Land Usage Change |
AOE | Aerosol Organig Eilradd | SOA | Secondary Organic Aerosol |
APB | Arolwg Poblogaeth Blynyddol | APS | Annual Population Survey |
APC | Awdurdod Parc Cenedlaethol | NPA | National Park Authority |
APDU | Arsyllfa Pridd y DU | UKSO | UK Soil Observatory |
ARNHDU | Asesiad Risg Newid Hinsawdd y DU | UKCCRA | UK Climate Change Risk Assessment |
ASB | Asiantaeth Safonau Bwyd | FSA | Food Standards Agency |
AT | Adran Trafnidiaeth | DfT | Department for Transport |
BBHA | Blynyddoedd Bywyd wedi'u Haddasu o Ansawdd | QALYs | Quality-Adjusted Life Years |
BEIA | Biodanwydd Effaith Isel Anuniongyrchol | LIIB | Low Indirect Impact Biofuel |
BGNA | Byw gyda Newid Amgylcheddol | LWEC | Living with Environmental Change |
CAA | Cynlluniau Amaeth-amgylcheddol | AES | Agri-environmental schemes |
CAC | Cyfrifiad Adar Cyffredin | CBC | Common Birds Census |
CAC ARNDHU | Cynllun Addasu Cenedlaethol Asesiad Risg Newid Hinsawdd y DU | UKCCRA NAP | UK Climate Change Risk Assessment National Adaptation Plan |
CAMA | Canolfan Astudiaethau Morol ac Arfordirol | CMACS | Centre for Marine and Coastal Studies |
CBCN | Cyd-bwyllgor Cadwraeth Natur | JNCC | Joint Nature Conservation Committee |
CC | Comisiwn Coedwigaeth | FC | Forestry Commission |
CCALl | Canolfan Cofnodion Amgylcheddol Lleol | LERC | Local Environmental Record Centre |
CCB | Canolfan Cofnodion Biolegol | BRC | Biological Records Centre |
CCB | Coedwigaeth Cylchdro Byr | SRF | Short Rotation Forestry |
CCC | Cnewyllynau Cyddwysiad Cwmwl | CCN | Cloud Condensation Nuclei |
CCC | Cynllun Cofnodi Cenedlaethol | NRS | National Recording Scheme |
CCC | Cod Carbon Coetiroedd | WCC | Woodland Carbon Code |
CCG | Creu Coetir Glastir | GWC | Glastir woodland creation |
CCGC | Cyngor Cefn Gwlad Cymru | CCW | Countryside Council for Wales |
CCLl | Canolfannau Cofnodion Lleol | LRC | Local Record Centre |
CCN | Cyfrifeg Cyfalaf Naturiol | NCA | Natural Capital Accounting |
CCNB | Cynhyrchiant Cynradd Net Blynyddol | ANPP | Annual Net Primary Productivity |
CCNB | Cynnyrch Coedwig nad yw'n Bren | NTFP | Non-timber Forest Product |
CDCDU | Cydffederasiwn Diwydiannau Coetir y DU | Confor | UK Confederation of Forest Industries |
CDdEB | Cronfa Ddata Eiddo Buddsoddi | IPD | Investment Property Databank |
CDG | Cynnyrch Domestig Gros | GDP | Gross Domestic Product |
CEH | Canolfan Ecoleg a Hydroleg | CEH | Centre for Ecology & Hydrology [now UKCEH] |
CFC | Cynllun Ffermio Cynaliadwy | SFS | Sustainable Farm Scheme |
CFfCUNH | Confensiwn Fframwaith y Cenhedloedd Unedig ar Newid Hinsawdd | UNFCCC | United Nations Framework Convention on Climate Change |
CFfD | Cyfarwyddeb Fframwaith Dŵr | WFD | Water Framework Directive |
CFPI | Cymdeithas Fotaneg Prydain ac Iwerddon | BSBI | Botanical Society of Britain and Ireland |
CGF | Cymdeithas Goedwigaeth Frenhinol | RFS | Royal Forestry Society |
CGP | Coedwigaeth Gorchudd Parhaol | CCF | Continuous Cover Forestry |
CH | Coetir Hynafol | AW | Ancient Woodland |
CH4 | Methan | CH4 | Methane |
CHLlN | Coetir Hynafol a Lled-Naturiol | ASNW | Ancient Semi Natural Woodland |
CiG | Coetiroedd i Gymru | WfW | Woodlands for Wales |
CLlG | Cyfarwyddeb Llosgi Gwastraff | WID | Waste Incineration Directive |
CMGB | Cynllun Monitro Gloӱnnod Byw | BMS | Butterfly Monitoring Scheme |
CMGBDU | Cynllun Monitro Gloӱnnod Byw y DU | UKBMS | UK Butterfly Monitoring Scheme |
CMGT | Coetiroedd mewn ac o gwmpas Trefi | WIAT | Woodlands In and Around Towns |
CMPC | Cynllun Monitro Planhigion Cenedlaethol | NPMS | National Plant Monitoring Scheme |
CMPDU | Cynllun Monitro Peillwyr y DU | PoMS | UK Pollinator Monitoring Scheme |
CMRA | Cytundeb Masnach Rydd Amlmochrog | MFTA | Multilateral Free Trade Agreement |
CNC | Cyfoeth Naturiol Cymru | NRW | Natural Resources Wales |
COA | Cyfansoddyn Organig Anweddol | VOC | Volatile Organic Compound |
COAB | Cyfansoddyn Organig Anweddol Biogenig | BVOC | Biogenic Volatile Organic Compound |
CODd | Carbon Organig wedi'i Ddiddymu | DOC | Dissolved Organic Carbon. See also DOM, SOC, SOM & POC. |
COP | Carbon Organig Pridd | SOC | Soil Organic Carbon. See also DOC, DOM, SOM & POC |
CPhC | Gwres a Phŵer Cyfun | CHP | Combined Heat and Power |
CPP | Cynhyrchion Pren wedi'u Peiriannu | EWP | Engineered Wood Products |
CRD | Cynllun Rheolaeth Cynaliadwy | SMS | Sustainable Management Scheme |
CRhAM | Cyngor Rhyngwladol Archwilio'r Môr | ICES | International Council for the Exploration of the Sea |
CRhET | Cymdeithas Ryngwladol Ecoleg Tirwedd | IALE | International Association for Landscape Ecology |
CSC | Cyngor Stiwardiaeth Coedwigoedd | FSC | Forest Stewardship Council |
CSNAT | Cynhyrchiant Sylfaenol Net Ar y Tir | AGNPP | Above Ground Net Primary Productivity |
CU | Cenhedloedd Unedig | UN | United Nations |
CWD | Colled Wrth Danio | LOI | Loss On Ignition |
CWThA | Cell Wyddonol a Thechnegol Arbenigol | STAC | Scientific Technical Advisory Cell |
CYAN | Cyngor Ymchwil yr Amgylchedd Naturiol | NERC | Natural Environment Research Council |
CYDU | Cyngor Ymchwil y DU | RCUK | Research Councils UK |
Cyf. Pers. | Cyfathrebu Personol | Pers Comms. | Personal communication – unpublished |
CYGDA | Cymdeithas Ymchwil a Gwybodaeth y Diwydiant Adeiladu | CIRIA | Construction Industry Research and Information Association |
DA | Deddf Amgylchedd | EA | Environment Act |
Dangosyddion MSC | Dangosyddion Monitro Safonau Cyffredin | CSM indicators | Common Standards Monitoring indicators |
DC | Dŵr Cymru | DCWW | Dŵr Cymru Welsh Water |
DCLlC | Dangosyddion Cenedlaethol Llywodraeth Cymru | WGNI | Welsh Government National Indicators |
DCUSAM | Cyfeiriadur y Deyrnas Unedig o Systemau Arsylwi Morol | UKDMOS | United Kingdom Directory of Marine Observing Systems |
DDH | Dirywiad Derw Hirbarhaol | COD | Chronic Oak Decline |
DDLl | Dirywiad Derw Llym | AOD | Acute Oak Decline |
DDS | Dosbarthiadau Diwydiannol Safonol | SIC | Standard Industrial Classifications |
DEFRA | Adran yr Amgylchedd, Bwyd a Materion Gwledig | DEFRA | Department for Environment, Food & Rural Affairs |
DHG | Dynameg Hylif Gyfrifiadol | CFD | Computational Fluid Dynamics |
DLlCD | Deddf Llesiant Cenedlaethau'r Dyfodol | WFG | Well-being of Future Generations Act |
DMG | Dadansoddiad Maint Gronynnau | PSA | Particle Size Analysis |
DNAa | DNA Amgylcheddol | eDNA | Environmental DNA |
DODd | Deunydd Organig wedi'i Ddiddymu | DOM | Dissolved Organic Matter. See also DOC, SOC, SOM & POC. |
DOP | Deunydd Organig Pridd | SOM | Soil Organic Matter. See also DOC, DOM, SOC & POC. |
DP | Deuffenyl Polyclorinedig | PCBs | Polychlorinated Biphenyls |
DRhC | Dull Rheoli Coedwig | FMA | Forest Management Approach |
DRhCWE | Dosbarthiad Rhyngwladol Cyffredin o Wasanaethau Ecosystem | CICES | Common International Classification of Ecosystem Services |
DRLl | Dalgylch Risg Llifogydd | FRC | Flood Risk Catchment |
DSE | Dosbarthiad Safle Ecolegol | ESC | Ecological Site Classification |
DTA | Dosbarthiad Tir Amaethyddol | ALC | Agricultural Land Classification |
DTNDTCh | Defnydd Tir, Newid Defnydd Tir a Choedwigaeth | LULUCF | Land Use, Land Use Change and Forestry |
EC | Egwyddor Cynaliadwyedd | SP | Sustainability Principle |
EFORWOOD | Asesiad Effaith Cynaliadwyedd o'r Gadwyn Pren-Goedwigaeth | EFORWOOD | Sustainability Impact Assessment of the Forestry-Wood Chain |
EMEP4UK | Rhaglen Monitro a Gwerthuso Ewropeaidd, Model Unedig ar gyfer y DU | EMEP4UK | European Monitoring and Evaluation Program Unified Model for the UK |
ERAMMP | Rhaglen Monitro a Modelu Materion Gwledig a’r Amgylchedd | ERAMMP | Environment and Rural Affairs Monitoring & Modelling Programme |
FACESMAP | Newid Perchnogaeth ar Tir Coedwig yn Ewrop: Arwyddocâd ar gyfer Rheolaeth a Pholisi | FACESMAP | Forest Land Ownership Change in Europe: Significance for Management and Policy |
FfAADU | Fframwaith Arsylwi Amgylcheddol y DU | UKEOF | UK Environmental Observation Framework |
FfMAN | Fframwaith Monitro Adnoddau Naturiol | NRMF | Natural Resources Monitoring Framework |
GAAA | Grŵp Arbenigwyr ar Ansawdd Aer | AQEG | Air Quality Expert Group |
GCEC | Grŵp Cynghori Ehangu Coetir | WEAG | Woodland Expansion Advisory Group |
GCGMA | Grŵp Cynghori Gwyddonol Mewn Argyfwng | SAGE | Scientific Advisory Group for Emergencies |
GDC | Gorchymyn Diogelu Coed | TPO | Tree Preservation Order |
GDCN | Galluogi Dull Cyfalaf Naturiol | ENCA | Enabling a Natural Capital Approach |
GE | Gwasanaeth Ecosystem | ES | Ecosystem Service |
GEP | Gastroenteritis Parasitig | PGE | Parasitic gastroenteritis |
GGAGD | Adran Gwledig a Gwyddoniaeth Amglycheddol a Gwasanaethau Dadansoddol Llywodraeth Yr Alban | RESAS | Scottish Government Rural and Environment Science and Analytical Services Division |
GGC | Grant Gwella Coetir | WIG | Woodland Improvement Grant |
GGPhN | Gweithio gyda Phrosesau Naturiol | WWNP | Working with Natural Processes |
GIG | Gwasanaeth Iechyd Genedlaethol | NHS | National Health Service |
GNG | Gwarchodfa Natur Genedlaethol | NNR | National Nature Reserves |
GOMIC | Godro Organig a Mewnbwn Isel Cynaliadwy | SOLID | Sustainable Organic and Low Input Dairying |
GPGEFf | Grym gyriadol - Pwysedd - Gwladwriaeth - Effaith - Fframwaith ymateb | DPSIR | Driving force – Pressure – State – Impact – Response framework |
GPN | Gwerth Presennol Net | NPV | Net Present Value |
Gwytnwch | [Sefydlogrwydd Ecolegol] Gwytnwch | Resilience | [Ecological] Resilience - the capacity of ecosystems to deal with disturbances whilst retaining their ability to deliver services and benefits now and in the future (Natural Resources Wales SoNaRR Report, 2016). |
GYG | Gwerth Ychwanegol Gros | GVA | Gross Value Added |
HAA | Hydrocarbon Aromatig Amlgylchredol | PAH | Polycyclic Aromatic Hydrocarbon |
Hectad | Uned arwynebedd tir, 10km wrth 10km (h.y., can cilomedr sgwâr), a ddefnyddir i asesu pa mor eang y mae anifeiliaid neu blanhigion penodol wedi'u gwasgaru. | Hectad | A unit of land area, 10km by 10km (ie, one hundred square kilometres), used for assessing how widely distributed particular animals or plants are. |
HG | Heneb Gofrestredig | SAM | Scheduled Ancient Monument |
HTC | Hawliau Tramwy Cyhoeddus | PROW | Public Right of Way |
Hydredol | Ymchwil neu ddata sy'n defnyddio | Longitudinal | Research or data involving information about a subject gathered over a long period of time |
HyNDT | Newid Defnydd Tir Hydrolegol | HYLUC | Hydrological Land Use Change |
IBA | Is-bwyllgor Addasiad | ASC | Adaptation sub-committee |
K | Potasiwm | K | Potassium |
Lidar | Canfod Golau ac Amrediad - dull arolygu sy'n mesur y pellter i darged gyda golau laser sy'n sganio i greu map 3D o le neu wrthrych | Lidar | Light Detection And Ranging - a surveying method that measures distance to a target with a scanning laser light to create a 3D map of a place or object |
LlC | Llywodraeth Cymru | WG | Welsh Government |
LlEADU | Llygryddion Ewtroffigedd ag Asideiddio'r DU | UKEAP | UK Eutrophying and Acidifying Pollutants |
Locws | Lleoliad penodol dilyniant genyn neu DNA ar gromosom | Locus. | The specific location of a gene or DNA sequence on a chromosome. |
MAD | Mynegai Arwynebedd Dail | LAI | Leaf Area Index |
MAN | Monitro Adnoddau Naturiol | NRM | Natural Resources Monitoring |
MDBH | Modelau Deiliadaeth Bayesaidd Hierarchaidd | HBOM | Hierarchical Bayesian Occupancy Models |
MDD | Model Drychiad Digidol | DEM | Digital Elevation Model |
Mg | Magnesiwm | Mg | Magnesium |
MG | Mater Gronynnol | PM | Particulate Matter |
MG10 | Mater Gronynnol - llai na 10 micrometr mewn diamedr | PM10 | Particulate Matter - less than 10 micrometres in diameter |
MG2.5 | Mater Gronynnol - llai na 2.5 micrometr mewn diamedr | PM2.5 | Particulate Matter - less than 2.5 micrometres in diameter |
MLlGN | Mynegai Llystyfiant Gwahaniaeth Normaleiddio | NDVI | Normalised Difference Vegetation Index |
MRhG | Mynydd, Rhostir a Gweundir | MMH | Mountain, Moor and Heath |
MSG | Model sy'n seiliedig ar gyfrwng | ABM | Agent Based Model |
MSU | Model sy'n seiliedig ar unigolyn | IBM | Individual Based Model |
MTN | Model Tirwedd Niwtral | NLM | Neutral Landscape Model |
MYA | Monitro'r Ymgysylltiad â'r Amgylchedd | MENE | Monitor of Engagement with the Natural Environment |
N | Nitrogen | N | Nitrogen |
N2O | Ocsid Nitraidd | N2O | Nitrous Oxide |
NAH | Nodwedd Amgylcheddol Hanesyddol | HEF | Historic Environment Feature |
Natura 2000 | Rhwydwaith Ewropeaidd o safleoedd dynodedig {o dan Gyfarwyddeb Adar a'r Gyfarwyddeb Cynefinoedd} | Natura 2000 | European network of protected sites {under the Birds Directive and the Habitats Directive} |
NDTGT | Newidiadau Defnydd Tir a Gorchudd Tir | LULCC | Land-Uses and Land-Cover Changes |
NFU | Undeb Amaethwyr Cenedlaethol | NFU | National Farmers Union |
NH3 | Amonia | NH3 | Ammonia |
NO | Ocsid Nitrig | NO | Nitric Oxide |
NO2 | Nitrogen Deuocsid | NO2 | Nitrogen Dioxide |
NPK | Gwrthaith (Nitrogen, Ffosfforws, Potasiwm) | NPK | Fertiliser (Nitrogen, Phosphorus, Potassium) |
NTG | Nwyon Tŷ Gwydr | GHG | Greenhouse Gases |
O2 | Ocsigen | O2 | Oxygen |
O3 | Osôn / Triocsigen | O3 | Ozone / Trioxygen |
OGL | Trwydded Llywodraeth Agored | OGL | Open Government Licence |
ORVal | Prisiad Adloniant Awyr Agored [offeryn modelu] | ORVal | Outdoor Recreation Valuation [modelling tool] |
P | Ffosfforws | P | Phosphorus |
PAN | Polisi Adnoddau Naturiol | NRP | Natural Resources Policy |
PCB | Potensial Cynhesu Byd-eang | GWP | Global Warming Potentials |
PID | Parodrwydd i Dalu | WTP | Willingness to Pay |
PIDd | Parodrwydd i Dderbyn | WTA | Willingness to Accept |
PILlAE | Peryglon Iechyd Llygredd Aer yn Ewrop | HRAPIE | Health Risks of Air Pollution in Europe |
POG | Carbon Organig Gronynnol | POC | Particulate Organic Carbon |
PRhNH | Panel Rhynglywodraethol ar y Newid yn yr Hinsawdd | IPCC | Intergovernmental Panel on Climate Change |
RAMSAR [safle] | Ardal o wlypdir wedi ei dynodi oherwydd ei gwerth cadwriaethol o dan Gonfensiwn UNESCO 1971 ar Bwysigrwydd Rhyngwladol Gwlypdiroedd. | RAMSAR [site] | A wetland area designated for its conservation value under the 1971 UNESCO Convention on Wetlands of International Importance. |
RANG | Rheoli Adnoddau Naturiol yn Gynaliadwy | SMNR | Sustainable Management of Natural Resources |
RhAACDU | Rhestr Allyriadau Atmosfferig Cenedlaethol y DU | NAEI | UK National Atmospheric Emissions Inventory |
RhACU-CMCB | Rhaglen Amgylcheddol y Cenhedloedd Unedig - Canolfan Monitro Cadwraeth y Byd | UNEP-WCMC | United Nations Environment Programme - World Conservation Monitoring Centre |
RHBC | Rhwydwaith Bioamrywiaeth Cenedlaethol | NBN Atlas | National Biodiversity Network |
RhBG | Rhwydwaith Bioamrywiaeth Genedlaethol | NBN | National Biodiversity Network |
RhCC | Rhif Cyfeirnod y Cwsmer | CRN | Customer Reference Number |
RhCG | Rhestr Coedwigaeth Genedlaethol | NFI | National Forest Inventory |
RhCP | Rheoli Carbon Pridd | SCM | Soil Carbon Management |
RhDG | Rhaglen Datblygu Gwledig | RDP | Rural Development Programme/Plan |
RhEG | Rhywogaethau Estron Goresgynnol | INNS | Invasive and Non-Native Species |
RhEY | Rhywogaethau Estron Ymledol | INNS | Invasive and Non-Native Species |
RhGMY | Rhaglen Genedlaethol Monitro Ystlumod | NBMP | National Bat Monitoring Programme |
RhHDU | Rhagamcanion Hinsawdd y DU | UKCP | UK Climate Projections |
RhHR | Rhaglen Hydrolegol Ryngwladol | IHP | International Hydrological Programme |
RhLlMOG | Rhwydwaith Llygrwyr Micro Organig Gwenwynig | TOMP | Toxic Organic Micro Pollutants Network |
RhLlN | Rheoli Llifogydd yn Naturiol | NFM | Natural Flood Management |
RhMDY | Rhwydwaith Monitro Digwyddiadau Ymbelydrol | RIMNET | Radioactive Incident Monitoring Network |
RhMGG | Rhaglen Monitro a Gwerthuso Glastir | GMEP | Glastir Monitoring & Evaluation Programme |
RhMP | Rheoli Maetholion Pridd | SNM | Soil Nutrient Management |
RhMTMG | Rhaglen Monitro Tystiolaeth Moroedd Glân | CSEMP | Clean Seas Evidence Monitoring Programme |
RhTGA | Rhwydwaith Trefol a Gwledig Awtomatig | AURN | Automatic Urban and Rural Network |
RhTM | Rhyngweithiadau rhwng Tir a Môr | LSI | Land Sea Interactions |
RSPB | Cymdeithas Frenhinol er Gwarchod Adar | RSPB | Royal Society for the Protection of Birds |
RTG | Reoli Tir yn Gynaliadwy | SLM | Sustainable Land Management |
SA | Sefydliadau Anllywodraethol | NGO | Non-Governmental Organisations |
SBA | Sefydliad Bwyd ac Amaeth y Cenhedloedd Unedig | FAO | Food and Agriculture Organization of the United Nations |
SCA | System Cyfrifeg Amgylcheddol | SEEA | System of Environmental Accounting |
SCC | System Cyfrifon Cenedlaethol | SNA | System of National Accounts |
SCDE | Sefydliad ar gyfer Cydweithrediad a Datblygiad Economaidd | OECD | Organisation for Economic Co-operation and Development |
SCDU | Safon Coedwigaeth y DU | UKFS | UK Forestry Standard |
SCE | Sefydliad Coetir Ewropeaidd | EFI | European Forest Institute |
SCHA | Safle Coetir Hynafol Anhysbys | AWSU | Ancient Woodland Site of Unknown Category |
SCHAdf | Safleoedd Coetir Hynafol a Adferwyd | RAWS | Restored Ancient Woodland Sites |
SCHCA | Safleoedd Coetir Hynafol Cynhenid a Adferwyd | RNWAS | Restored Native Woodland on Ancient Sites |
SDdGA | Safle o Ddiddordeb Gwyddonol Arbennig | SSSI | Site of Special Scientific Interest |
SEACAMS | Ehangu Sectorau Arfordirol a Morol Cymwysedig mewn Dull Cynaliadwy | SEACAMS | Sustainable Expansion of the Applied Coastal and Marine Sectors |
SEDC | Sefydliad Ecoleg Dŵr Croyw | IFE | Institute of Freshwater Ecology |
SGDd | Systemau Gwybodaeth Ddaearyddol | GIS | Geographic Information Systems |
SGEI | Systemau Goedwriaethol Effaith Isel | LISS | Low Impact Silvicultural Systems |
SIB | Sefydliad Iechyd y Byd | WHO | World Health Organization |
SIMWOOD | Symud Pren yn Arloesol a Chynaliadwy | SIMWOOD | Sustainable Innovative Mobilisation of Wood |
SO | Sylffwr Ocsid | SO | Sulfur Oxide |
SO2 | Sylffwr Deuocsid | SO2 | Sulfur Dioxide |
SoNaRR | Adroddiad o Gyflwr Adnoddau Naturiol | SoNaRR | State of Natural Resources Reports |
SRhMFf | Safonau Rhyngwladol ar gyfer Mesurau Ffytoiechydol | ISPM | International Standards For Phytosanitary Measures |
SSCDU | Safon Sicrwydd Coetir y DU | UKWAS | UK Woodland Assurance Standard |
SYG | Swyddfa Ystadegau Gwladol | ONS | Office for National Statistics |
TAEP | Sefydliad Tir, Amgylchedd, Economeg a Pholisi | LEEP | Land, Environment, Economics and Policy Institute |
TNC | Taliadau am Nwyddau Cyhoeddus | PPG | Payments for public goods |
TWE | Taliadau am Wasanaethau Ecosystem | PAYES | Payments for ecosystem services - see PES |
TWE | Taliadau am Wasanaethau Ecosystem | PES | Payments for Ecosystem Services |
TWECOED | Taliadau am Wasanaethau Ecosystem (Coedwigoedd er dŵr) | PESFOR | Payments for Ecosystem Services (Forests for water) |
Tŵr Fflwcs | Mae tyrrau fflwcs yn cael eu defnyddio i fesur faint o garbon sy’n cael ei storio mewn mawn cyflwr gwael o’i gymharu â mawn mewn cyflwr da. | Flux tower | An apparatus for measuring gases. Flux towers measure how much carbon is retained in poor condition peat compared with restored or good condition peat. |
UAC | Undeb Amaethwyr Cymru | FUW | Farmers' Union of Wales |
UC | Uwch-swyddog Cyfrifol | SRO | Senior Responsible Officer |
UE | Undeb Ewropeaidd | EU | European Union |
UKCEH | Canolfan Ecoleg a Hydroleg y DU | UKCEH | UK Centre for Ecology & Hydrology |
UNESCO | Sefydliad Addysg, Gwyddonol a Diwylliannol y Cenhedloedd Unedig | UNESCO | United Nations Educational, Scientific and Cultural Organization |
URhCYC | Undeb Rhyngwladol y Cyrff Ymchwil Coedwigoedd | IUFRO | International Union of Forest Research Organizations |
UTW | Uned Tacsonomeg Weithredol | OTU | Operational Taxonomic Unit |
WMN | Ffermio sydd o Werth Mawr i Natur | HNV | High Nature Value [farmland] |
YAB | Ymddiriedolaeth Adaryddiaeth Brydeinig | BTO | British Trust for Ornithology |
YG | Ymddiriedolaeth Genedlaethol | NT | National Trust |
YGG | Ystâg Goedwig Gyhoeddus | PFE | Public forest estate |
YGLlC | Ystâd Goetir Llywodraeth Cymru | WGWE | Welsh Government Woodland Estate |
YWTB | Ymgyrch Wyddonol Tymor Byr | STSM | Short Term Scientific Mission |
YYD | Ymdeithiwr y Derw | OPM | Oak processionary moth |