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While essentially continuous in large areas (at least before fragmentation due to agriculture and development), the main range can be considered to include many hundreds of reasonably independent, self-maintaining stands.  Nevertheless, genetic mixing by storm-blown pollen and seeds lead to metapopulation dynamics within aggregations of such areas.  There are also a number of outlying stands that can be considered occurrences as well.<br><br>","popSizeComments":"As a common canopy co-dominant in a large range, there are easily far more than a million mature sugar maple trees within the natural range, even ignoring cultivated plants.","viabilityComments":"Many stands of this common canopy tree are stable, long-persisting, and presumably viable.","threatImpactComments":"Relatively unthreatened.  Harvested commercially for its high-quality wood, but generally selectively with younger trees able to fill gaps.  Losses due to development (often in forested abandoned farmland) have local impact but do not appear to be eliminating the species from substantial areas.","shortTermTrendComments":"MOre or less stable, with colonization of abandoned farmland or maturing forest lands counterbalancing losses from land clearing for development.","longTermTrendComments":"Lost many individuals (and entire stands) to 19th-century agricultural clearing and to continued development in the 20th and early 21st centuries.","inventoryNeeds":null,"numberProtEosComments":"The species is present in most national forests and national parks in the Eastern and Midwestern United States, where routine management generally favors its continued presence, even in areas where it is selectively cut.","protectionNeeds":null,"otherConsiderations":"Individual trees have often been retained during selective cutting in farm woods, due to the trees' value for maple sugar production.","intrinsicVulnerabilityComments":"An ecologically very successful tree, often becoming dominant or co-dominant in upland areas.","enviromentalSpecificityComments":"Relatively broad habitat amplitude (although doing best on mesic but not hydric soils), in a wide climatic range over a host of bedrock types, including glaciated areas."},"animalCharacteristics":null,"occurrenceDelineations":[{"eoSpecsDetailId":153946,"locationUseClass":null,"eoSpecGroupName":null,"subtypes":null,"inferredExtentDistance":null,"inferredExtentNotes":null,"minimumEoCriteria":null,"mappingGuidance":null,"separationBarriers":null,"separationDistanceUnsuitableHabitatat":null,"separationDistanceSuitableHabitatat":null,"altSeparationProcedure":"Use the Habitat-based Plant Element Occurrence Delimitation Guidance, 1 October 2004, to develop occurrences.<br>For a complete description of this approach, see the Habitat-Based Strategy for Delimiting Plant Element Occurrences: Guidance from the 2004 Working Group.","separationJustification":null,"versionDate":"2004-10-01","versionAuthor":null,"versionNotes":null,"lastModified":"2020-02-25T16:37:55.453017Z"}],"plantCharacteristics":{"elementGlobalId":145639,"genusEconomicValue":true,"economicComments":null,"plantProductionMethods":[],"plantDurations":[],"plantEconomicUses":[],"plantCommercialImportances":[]},"elementManagement":{"elementGlobalId":145639,"eoManagementGroupName":null,"stewardshipOverview":null,"impacts":null,"restorationPotential":null,"siteConservationPlansConsidered":null,"managementMethods":null,"monitoringMethods":null,"managementProgramContacts":null,"monitoringProgramContacts":null,"managementResearchPrograms":null,"managementResearchNeeds":null,"biologicalResearchNeeds":null,"additionalTopics":null},"occurrenceViabilities":[{"eoRankSpecsDetailId":145657,"eoRankSpecsGroupName":null,"locationUseClass":null,"excellentViability":null,"goodViability":null,"fairViability":null,"poorViability":null,"viabilityJustification":"Use the Generic Guidelines for the Application of Occurrence Ranks (2008).<br>The Key for Ranking Species Occurrences Using the Generic Approach provides a step-wise process for implementing this method.","versionDate":null,"versionAuthor":null,"versionNotes":null,"lastModified":"2020-05-14T04:10:57.977621Z"}],"references":[{"id":1142839,"citation":"Flora of North America Editorial Committee (FNA). 2024. Flora of North America north of Mexico. Vol. 13. Magnoliophyta: Geraniaceae to Apiaceae. Oxford Univ. Press, New York. xxiv + 566 pp.","shortCitationAuthor":"FNA","shortCitationYear":2024,"referenceCode":"B24FNA13HQUS","lastModified":"2024-08-03T19:58:23.508378Z"},{"id":154408,"citation":"Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.","shortCitationAuthor":"Kartesz","shortCitationYear":1994,"referenceCode":"B94KAR01HQUS","lastModified":"2020-02-25T15:54:02.397953Z"},{"id":116281,"citation":"Little, E.L., Jr. 1979. Checklist of United States trees (native and naturalized). Agriculture Handbook No. 541. U.S. Forest Service, Washington, D.C. 375 pp.","shortCitationAuthor":"Little","shortCitationYear":1979,"referenceCode":"B79LIT01HQUS","lastModified":"2020-02-25T15:54:07.632327Z"},{"id":1151087,"citation":"Weakley, A.S., and Southeastern Flora Team. 2025. Flora of the southeastern United States Web App. Edition of February 18, 2025. University of North Carolina Herbarium (NCU), North Carolina Botanical Garden, University of North Carolina, Chapel Hill. Online. Available: https://fsus.ncbg.unc.edu (accessed 2025).","shortCitationAuthor":"Weakley and Southeastern Flora Team","shortCitationYear":2025,"referenceCode":"W25WEA01HQUS","lastModified":"2025-02-28T23:08:57.463626Z"}],"otherCommonNames":[{"id":185973,"name":"Érable à sucre","language":"FR"},{"id":124856,"name":"sugar maple","language":"EN"}],"speciesGlobal":{"elementGlobalId":145639,"cites":null,"cosewic":null,"fwsRegion":null,"genusSize":null,"jurisEndem":{"id":5,"jurisEndemDescEn":"occurs (regularly, as a native taxon) in multiple nations","jurisEndemDescEs":"Se encuentra en varias naciones (de manera regular, como un taxón nativo)","jurisEndemDescFr":"Se trouve dans plusieurs nations (de façon régulière, tel un taxon indigène)"},"nomenclaturallyEst":null,"usesa":null,"informalTaxonomy":{"informalTaxonomyId":108,"level1":"Plants","level2":"Vascular Plants - Flowering Plants","level3":"Dicots","level":3,"hasChildren":false,"parentId":106,"distributionStatus":"complete","displayOrder":5420},"parentSpecies":null,"infraspecies":false,"kingdom":"Plantae","phylum":"Anthophyta","taxclass":"Dicotyledoneae","taxorder":"Sapindales","family":"Sapindaceae","genus":"Acer","americanFisheriesStatus":null,"americanFisheriesStatusDate":null,"saraStatus":null,"saraStatusDate":null,"cosewicDate":null,"interpretedCosewic":null,"cosewicComments":null,"usesaDate":null,"interpretedUsesa":null,"usesaComments":null,"completeDistribution":true,"synonyms":[],"infraspeciesList":[{"infraspeciesId":141648,"uniqueId":"ELEMENT_GLOBAL.2.141648","formattedScientificName":"<i>Acer saccharum</i> var. <i>schneckii</i>","scientificName":"Acer saccharum var. schneckii","primaryCommonName":"Schneck's Sugar Maple","nsxUrl":"/Taxon/ELEMENT_GLOBAL.2.141648/Acer_saccharum_var_schneckii"},{"infraspeciesId":157575,"uniqueId":"ELEMENT_GLOBAL.2.157575","formattedScientificName":"<i>Acer saccharum</i> var. <i>viride</i>","scientificName":"Acer saccharum var. viride","primaryCommonName":null,"nsxUrl":null},{"infraspeciesId":159102,"uniqueId":"ELEMENT_GLOBAL.2.159102","formattedScientificName":"<i>Acer saccharum</i> var. <i>saccharum</i>","scientificName":"Acer saccharum var. saccharum","primaryCommonName":"Sugar Maple","nsxUrl":"/Taxon/ELEMENT_GLOBAL.2.159102/Acer_saccharum_var_saccharum"}],"ebarId":null,"ebarCanadianScope":false,"ebarGlobalScope":false,"ebarKbaGroup":"Vascular Plants","caGeneralStatusId":"GS006037"},"speciesCharacteristics":{"elementGlobalId":145639,"reproductionComments":null,"ecologyComments":null,"habitatComments":null,"generalDescription":null,"diagnosticCharacteristics":null,"speciesMarineHabitats":[],"speciesTerrestrialHabitats":[],"speciesRiverineHabitats":[],"speciesPalustrineHabitats":[],"speciesLacustrineHabitats":[],"speciesSubterraneanHabitats":[],"speciesEstuarineHabitats":[]},"primaryReference":{"id":1142839,"citation":"Flora of North America Editorial Committee (FNA). 2024. Flora of North America north of Mexico. Vol. 13. Magnoliophyta: Geraniaceae to Apiaceae. Oxford Univ. Press, New York. xxiv + 566 pp.","shortCitationAuthor":"FNA","shortCitationYear":2024,"referenceCode":"B24FNA13HQUS","lastModified":"2024-08-03T19:58:23.508378Z"},"predecessors":[{"predecessorId":117323,"elCode":"PDACE010N0","name":"Acer x senecaense","formattedName":"<i>Acer</i> x <i>senecaense</i>","classficationCode":null,"uniqueId":"ELEMENT_GLOBAL.2.148687","lineageDate":null,"nsxUrl":null}],"elementGlobalThreatAssessments":[]}