Wetlands Characterization Contactelizabeth Hertz Atthe Ma Inedepa Rtm Entconservation of (207-287-8061, Wetlands Characterization Elizabeth.Hertz@M a Ine.Gov)
Total Page：16
File Type：pdf, Size：1020Kb
An Approach to Conserving Maine's Natural LEGEND Space for Plants, Animals, and People T hisma pdepicts all wetla ndsshown onNationa Wetla l ndInventory ma(NW I) ps,but Black Brook www.beginningwithhabitat.org ca tegorizedthem ba sedonasubset wetla of ndfunctions. This ma pand its depiction B wetla of ndfea turesneither substitute norfor elim ina tethe need performto on-the- ra 25 n )" groundwetla nddelinea tionand functiona assessm l ent.nowaIn ysha use llthis of ma p Supplementary Map 7 c h dim inishoralter the regula toryprotection tha all t wetla ndsare accorded under Josies Brook Br a pplica bleState and Federal la ws.Formore informa tionabout wetla ndscha racterization, ook Wetlands Characterization contactElizabeth Hertz atthe Ma ineDepa rtm entConservation of (207-287-8061, Wetlands Characterization elizabeth.hertz@m a ine.gov). Hollis This map is non-regulatory and is intended for planning purposes only STANDISH T heWetla ndsCha racterizationmodel isapla nningtoolintended helpto identify likely 35 BUXTON )" wetla ndfunctions associated with significa ntwetla ndresources and adjacent upla nds. UsingGISana lysis,this ma pprovides ba sicinforma tionrega rdingwha ecologica t l servicesvarious wetla ndsare likely provide.to These ecologica services, l ea which ch of ha sassociated econom icbenefits, include: floodflow control, sedim entretention, finfish ha bitat,and/or shellfish ha bitat.There are other im portantwetla ndfunctions and values k o notdepicted inthis ma Refer p. www.mato ine.gov/dep/wa ter/wetla nds/ipwetfv2.htm l o r Saco River additiona for informa l tionrega rdingwetla ndfunctions and values. Forested wetla ndsand B sm awetla ll ndssuch as verna pools l are known beto underrepresented inthe Nationa l k W etla ndsInventory da(NW ta I) used creato tethis ma The p. model developed to c STANDISH Hamlin Brook-Little Ossipee River a l estim a tethe functions provided by ea chwetla ndcould not ca ptureevery wetla nd Drainage B functionvalue.or Therefore, itisim portantuseto loca knowledge l and other da ta HOLLIS sourceswhen evalua tingwetla nds,and ea chwetla ndshould be considered rela tiveto thewhole la ndsca pe/wa tershedwhen assessing wetla ndresources ata loca level. l Little Ossipee River Sand Pond LIMINGTONHOLLIS Bonny Eagle Organized Township Boundary Pond 112 )"117 )" Unorganized Township Boyd Pond Bonny Eagle Pond-Saco River 22 )" Selected Town or Area of Interest Drainage Developed:Impervious surfaces including buildings and roads )"35 S a c Little River o Killick Drainage SubwatershedsThe - sha ded,ba ckgroundpolygons are Pond R subwa tersheds(area stha drain t atopa rticulala r ke,wetla nd, i v e pond,river, strea theor m , ocea The n). subwa tershedsare r 112 ssipe r " O e k ) sha dedshowto topographic relief. This "hillsha ding" e iv o tle R o Lit r a ssum esthe sun isshining fromthe northwest, soridgetops B a ndnorthwest-facing slopes appea light, r wherea svalleys and s dy southea st-facingslopes appea da r Beca rk. usema nyarea s An of Ma of ineare rela tivelythefla t, topographic relief shown here ha sbeen exa ggeratedmato kethe details ea siersee.to LIMINGTON Wetland Functions: Fill Pattern WATERBORO Some wetlands may have more than one funtion (fill pattern) """"" """"" RUNOFF / FLOODFLOW ALTERATION """"" W etla ndsprovide na turalstormwa tercontrol ca pa bilities.Asna turalba sinsin """"" thela ndsca pe,wetla ndsare able receive,to detain, and slowly relea se stormwa terWetlarunoff. ndshelves along strea mba nksna turallyregula te floodwa tersby providing an area swollenfor strea mflows expato ndand slow, therebyprotecting downstrea mproperties. This ma passigns Runoff/FloodflowAlteration Functions wetlato ndstha are t contained (a) ina knownfloodzone,associated (b) with asurfacewa tercourse orwa terbody,and Smith Brook with (c) slope 3%.< AND/OR EROSION CONTROL / SEDIMENT RETENTION 22 )" W etla ndsact as na turalsponges tha ca t nhold wa ter,allowing suspended pa rticlessuch as sedim entsettleto out.The dense vegetation inmost Deer wetla ndshelps stabilizeto soil and slow wa terflows,thereby reducing scouring Pond a ndba nkerosion. This ma passigns Erosion Control Sedim / entRetention )"112 functionswetlato ndswith slope (a) em 3%;(b) < ergentvegetation; and (c) close (c) proxim ityatoriver, strea laor m ke. , FINFISH HABITAT W etla ndswith docum entedfinfish popula tions,including wetla ndsadjacent to ariver, strea orla m ke. , AND/OR SHELLFISH HABITAT Junkins Brook Inla ndwetla ndsand strea m sca ndirectly affect the status coastal of shellfish ha rvestarea Feca s. coliform l ba cteriaand wa terbornenutrients resulting from la nduse cha ngesawa yfromthe coast ca ntravel via surface wa terto )"35 ha rvestableflaOne ts. failed septic system nea a rstrea mcould close amudfla t severalmiles awa Excessive y. nutrients ca nreduce wa tercla rityand stim ula teepiphytic growth tha degrades t eelgrass mea dows.Conservation of freshwa terwetla ndsand strea mbuffers incoastal wa tershedsisakey com ponentinma rineresource conservation. This ma passigns aShellfish H a bitatfunction wetlato ndswithin miles identified0.5 (a) of shellfish ha bitat, (b) identified (b) shellfish closure area ma or(c) s, ppedeelgrass beds OR pa lustrinewetla ndsdirectly connected by astrea mile 0.5 < minof length to (a) identified (a) shellfish ha bitat,identified (b) shellfish closure area or s, (c) ma (c) ppedeelgrass beds. WATERBORO PLANT/ANIMAL HABITAT HOLLIS Nea rlyall wildlife species, and ma Ma ny of ine’spla ntspecies, depend on Crockett Brook wetla ndsduring som epa their rtof lifecycle. Forthe purposes this of ma p, ok Lone Bro wetla ndscontaining open wa terorem ergentvegetation, moreor3 wetla nd Pond sper Ca )"4 vegetationcla sses(see below), and within ¼mile aknown of rare, threa tened, or endaor ngeredpla ntanimor aoccurrence, l within ¼mile ama of pped 202 significa ntoressential ha bitat,orwithin ¼mile arare of exemor pla ryna tural ¤£ com m unityha vebeen assigned this function. Rare elem entoccurrences and Stony Brook )"117 m a ppedha bitatsca nbe found onMa High p2 Value Pla ntAnim& aHa l bitats. (((((((( 35 (((((((( )" (((((((( OTHER FUNCTIONS (((((((( (((((((( (((((((( CULT URAL/EDUCATIONAL.Wetla ndswithin ¼mile aboat of ram porschool )"112 (((((((( ha vebeen assigned this value as these wetla ndsare likely ca ndida tesuse for Sa (((((((( Little co Ri a soutdoor cla ssroomorsim s, ilasocial r benefit. Wetla ndsrated otherfor ver Ossipee functionslisted above ma yalso dem onstratecultural/educa tionavalues l Pond a lthoughnot expressly shown. OR NODOCUMENTED FUNCTION. The ba sisthis of cha racterizationishigh Lake Arrowhead-Little Ossipee River Stroudwater River a ltitudeaerial photos. Photo qua lityoften lim itsthe informa tiontha ca t nbe Drainage Drainage interpretedfromsm awetla ll ndfea tures,orthose with dense ca nopycover. Althoughnot assigned afunction under this study, ground surveys ma yrevea l HOLLIS thathese t wetla ndsha vemultiple functions and values. Brook BUXTON ny Sto Little Wetland Class: Fill Color Stony Brook-Saco River Ossipee k Aqua ticBed (floating submor ergedaqua ticvegetation), Open Wa ter o Drainage o Pond r 117 B )" e Em ergent(herba ceousvegetation), Em ergent/ForestedMix (woody vegetation k c o tall),Em ft >20 ergent/Shrub-ScrubMix (woody vegetation tall) ft <20 L r Forested,Forested/Shrub-scrub e Stackpole Creek v i 112 R )" Mudd Brook S hrub-scrub o c a S Other(rocky shore, strea m bed,unconsolida tedshore, reef,rocky bottom ) )"5 NationaWetla l ndsInventory ma(NW I) ps(the ba siswetla of ndsshown onthis ma are p) HOLLIS LYMAN interpretedfromhigh altitude photographs. NW Wetla I ndsare identified by vegetation, 4 hydrology,and geography inaccorda ncewith "Cla ssificaWetla tion of ndsand Deepwa ter )" H a bitats"(FW S /OBS-79/31,DecThe 1979). aerial photographs docum entconditions for )"117 ¤£202 theyea they r were taken. There isno attem in pt,either the design orproducts this of inventory,defineto the lim proprietary its of jurisdiction any of Federal, State, locaor l Bartlett governm ent.NW ma I psdepict general wetla ndloca tions,bounda ries,and Pond cha racteristics.They are not asubstitute on-ground, for site-specific wetla nddelinea tion. HOLLIS Data Sources DAYTON )"5 DATA SOURCE INFORMATION (note: italicized file names can be downloaded from Maine Office of GIS) )"35 T OW NS HBOUNDARIES IP Ma ine GISOffice(2015); of metwp24 4 ooks Saco Outlet Saco River )" C B ROADS 202 ro R Drainage ¤£ i o v k Ma ine MaGIS,Office of ine Depa rtm entTransportation of (2015); medotpub e r H Y DROL OGY LYMAN WATERBORO BUXTON Ma ine GeologicaU.S.GIS,Office of Survey l (2010); NHD DAYTON DEVELOPED Ma ine MaGIS,Office of ine Depa rtm entInla of nd Fisheries and Wildlife (2015) NATIONALWETL ANDSINVENTORY (NW I) Swan Pond-Swan Pond Brook Ma ine GISOffice(2015); of NWI Drainage DRAINAGEDIVIDES Ma ine GISOffice(2015); of medrdvd Shaker Pond DATA SOURCE CONTACT INFORMATION Drainage Ma inehttp://www.maGIS:Office of ine.gov/megis/ Ma ineDepa rtm entTransportation: of http://www.ma ine.gov/mdot/ Ma ineDepa rtm entAgriculture, of Conservation and Forestry: http://www.ma ine.gov/da cf/pla nning/index.htm l SACO Ma ineGeologica Survey: l http://www.ma ine.gov/doc/nrim c/mgs/mgs.htm DAYTON DIGITAL DATA REQUEST Trequest o digital da a tatownfor orgaor nization,visit our website. http://www.beginningwithha bitat.org/the_ m a ps/gis_ da ta_ request.htm l S ources:Esri, USGS NOAA , Roberts Pond 5,000 2,500 0 0.5 1 Map Prepared by Maine Scale: 1:24,000 Supported in part Supported in Feet Miles Projection: UTM 19N by Maine Outdoor Department of Inland part by Loon Conservation Meters Heritage Fund Fisheries & Wildlife Kilometers Datum: NAD 1983 lottery ticket sales Plate funds 1,000 500 0 0.5 1 S tateMa of ine ¶ October 2017.