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Maine's seagrass meadows, particularly eelgrass, form an important marine and estuarine coastal aquatic habitat for the state. Along with other plants, eelgrass forms the base of food production in the sea. |
| summary:
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Maine's seagrass meadows, particularly eelgrass, form an important marine and estuarine coastal aquatic habitat for the state. Along with other plants, eelgrass forms the base of food production in the sea. |
| extent:
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[[-70.8671781878944,43.0570818276762],[-68.5186320998316,44.524864684407]] |
| accessInformation:
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Maine DEP |
| thumbnail:
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thumbnail/thumbnail.png |
| maxScale:
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1.7976931348623157E308 |
| typeKeywords:
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["Data","Service","Map Service","ArcGIS Server"] |
| description:
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<div style='text-align:Left;font-size:12pt'><div><div><p><span style='font-size:16pt'><span>Maine's seagrass meadows, particularly eelgrass, form an important marine and estuarine coastal aquatic habitat for the state. Along with other plants, eelgrass forms the base of food production in the sea. Eelgrass provides shelter for juvenile fish, and invertebrates, is a site for primary settlement of the larvae of some bivalve mollusks, and in certain locations helps to stabilize unconsolidated sediments and shorelines. Aerial imagery was acquired during the peak aboveground biomass growing season, typically June to August. Photography was timed near low tides with low wind velocity, and good water clarity. These factors aid in the detection of the subtidal portion a bed. Polygons delineating stands of seagrass were screen digitized and coded using a four category scale of percent cover. Cover Class values: 1 = 0% to 10% cover, 2 = 10% to 40% cover, 3 = 40% to 70% cover, 4 = 70% to 100% cover. Verification was carried out by boat, on foot, and by plane. Though dense patches of seagrass approximately 6 meters in diameter and less can be identified under good conditions and in some cases were mapped, a conservative estimate of the minimum mapping unit is 100-150 square meters depending on the year. </span></span></p></div></div></div> |
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| catalogPath:
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| title:
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Eelgrass |
| type:
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Map Service |
| url:
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| tags:
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["dep","environment","Maine","Maine DEP","MaineDEP","state of maine","biota","BIOLOGY","coastal","submerged aquatic vegetation","Zostera marina","eelgrass","oceans","habitat"] |
| culture:
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en-US |
| name:
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Eelgrass |
| guid:
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3C933F8D-B487-4072-9C17-2B2D4EE83EBD |
| minScale:
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0 |
| spatialReference:
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NAD_1983_UTM_Zone_19N |