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This list primarily derives from the Maine Coastal Island Registry,〔The Maine Coastal Island Registry is maintained by the Maine Department of Conservation. It originated in the 1970s as a means of identifying and cataloging private and public ownership of islands. The registry largely pre-dates conservation easements which often involve some degree of public use of private island property, as for the Maine Island Trail.〕 a database of the 3166 coastal islands from the largest (Mount Desert Island) to the smallest islets and ledges exposed above mean high tide. Some notable inland freshwater islands, like Frye Island in Sebago Lake, have been included. ==Description of columns== Registry # refers to the Maine Coastal Island Registry ("MCIR") assigning each island an identifying number. Many islands have the same Island Name (there are over 20 "Bar Islands," for instance; more than 30 named "Little"), but each has a unique number. Some islands comprising more than one landmass have several registry numbers under one name. The table lists Cities, Towns, and Counties primarily as a finding aid, since governmental jurisdiction over Maine islands is rife with confusing historical anomalies. For instance, of Maine's 15 island communities inhabited year-round,〔The Island Institute's webpage lists Maine's (15 year-round island communities ). An overview of the year-round islands is found in .〕 eight are independent towns, two are part of one town, three belong to mainland municipalities, and two govern themselves as island plantations.〔Plantations are an old unit of self-government pre-dating towns and counties: islands or clusters of islands once independently administered by town meeting but since the 1970s subject to zoning, taxation, and oversight by a state agency, the (Maine Land Use Regulation Commission ). There are 116 islands in unorganized townships and plantations under the jurisdiction of the Commission. , pp 1-3.〕〔Island Institute (discussion of sovereignty. )〕 Some Maine islands never belonged to any township〔 or once belonged to plantations now defunct;〔For instance, several Penobscot Bay islands were included within the Muscle Ridges Plantation organized in 1878 by the Dix Island Granite Company. The Muscle Ridges plantation ceased functioning with the company's collapse in the 1880s, but was reactivated in 1905 with town meetings, budgets, and a school. It lasted only a decade, however, finally expiring in the midst of World War I. Likewise the Eagle Island Military Plantation in the mid-Penobscot Bay including Eagle, Butter, Bradbury, Bear, and Great Spruce Head islands was organized for a short time to resist Civil War recruitment and then to claim compensation for their volunteers; nothing is heard of it after 1873. Vol.I pp 74-75, p. 213〕 several islands recently seceded from mainland cities,〔Long, Chebeague, and Frye seceded and became independent townships; Peaks failed in its attempt to secede from Portland, but secession efforts are periodically renewed.〕 and the sovereignty of two islands remains disputed between the US and Canada.〔Canada and the US dispute sovereignty over Machias Seal Island and North Rock.〕 The Code column refers to Maine Island Registry status. All islands coded as "R" are registered and privately owned. Those listed as "U" are unregistered and held in trust by the State of Maine (some of these may be privately owned but the owners did not register the islands). Islands listed as "E" are exempt from the registry requirements because they are either owned by the state or federal government or have four or more structures on them and were presumed to be privately owned. Islands listed as "T" are held in trust by the state and management transferred to a particular state agency or organization, such as the Maine Department of Inland Fisheries and Wildlife ("ME IF&W"). The Description column is from secondary sources as noted. The description and Acreage are not always available, nor constant since construction, quarrying, farming, logging, fire, or even a single storm can alter the features of an island.〔An island is more sensitive than the mainland to change attributable man's activities, due to its limited useful land (glacial surficial deposit creating friable soil as opposed to barren bedrock), small aquifer vulnerable to salt water intrusion, and unique easily disrupted ecosystems. , pp. 7 & 30〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of islands of Maine」の詳細全文を読む スポンサード リンク
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