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Coastal Zone Management
Seagull & driftwood on the Navarro River, Minor White, photograph 1950s.
Essay
Coastal Zone Management
by
Joseph Siry
Coastal zone management
refers to a body of laws passed and amended by the U.S. Congress to assist comprehensive
land-use planning in counties adjacent to the sea. The law affects all of those
states bordering the Great Lakes, Atlantic, Gulf, and Pacific waters in the
implementation and enforcement of comprehensive regional planning. The attempt
to balance conservation with development in the densely populated counties was
necessary to forestall existing and potential resource conflicts. The legislation
established broad guidelines under which planning agencies were to implement
comprehensive land-use plans to minimize antagonism among competing users of
beaches, marshes, wetlands, or estuarine waters. Seventy- five percent of the
nations largest cities are in these coastal zones.
Conflicts among land owners and resource users along the coast arise from transportation
improvements, electrical power plant location policies, wildlife protection, sufficient
and accessible recreation areas, limited fresh water and diminished salt-water
quality. Governments have a financial burden to insure coastal and barrier island
property from the risk of flooding due to storms. State and county governments
have constructed and maintained breakwaters, jetties, bridges, causeways, or
dikes to provide access or assist in the protection and evacuation of coastal
residents.
Coastal zones differ in size and may extend inland from the tidal shoreline
from one to several kilometers. Coast is derived from the Spanish word costa
meaning the side of, or beside, referring to the edge of the sea. Coastal areas
are characterized by a variety of types: sandy beaches, silt-laden marshes (mangroves
in the tropics), rocky shores, and submerged lands beneath rivers, bays, sounds,
or lagoons. The engineering alone required to make economically productive use
of wetlands, islands, harbors, or marinas enormously benefits developers, the
local tax base, and investors in sea side property. Federal regulation of these
activities has always been important due to the interstate character of coastal
waters and the commerce clause of the Constitution. State governments have both
a sovereign interest in the submerged lands and in the development of coastal
resources for fisheries, ports, transportation development and the promotion
of recreation or tourism. Local governments have bonding, zoning, and taxing
authority in coastal counties. Due to the real estate values of coastal propoertie, often a substantial portion of municipal and state revenues are derived from the coastal zone.
Since colonial times the coast continues to be the most heavily settled areas
of North America. Currently over two-thirds of the U.S. population lives within
50 miles of the coasts. Over 60% of the national fisheries catch, by weight,
is dependent on near shore, inshore, or estuarine waters including crab, clams,
oysters, salmon, or shrimp. Migratory and native shore birds, water fowl, and
wading birds all depend upon the extensive marshes and mud flats of the Atlantic,
Pacific, Gulf and Great Lakes shorelines for nesting or feeding.
Migratory birds and their coastal habitats are protected under an international
Treaty among the United States, Canada, and Mexico. Marine mammals frequenting
the coastal areas are also protected by federal law including the breeding habitats
of seals, sea lions, manatees, porpoises, or whales. In Florida four varieties
of sea turtles nest annually on beaches while tropical mangrove forests dominate
the quiet bay waters. In California elephant seals and sea lions nest on shore.
Sea grass beds from Alaska to the Gulf and up to Maine are the nurseries of
the small fish that sustain commercial and sport fisheries.
Land in those areas immediately adjacent to the ebb and flood of the tide were
treated differently by the law due to English legal precedents. In all states
the land lying between the high and low tide lines is considered sovereign
land. This means that regardless of private property titles, or actions
of legislative bodies, the land between the tides can never be fully owned in
fee simple absolute as is other real estate in the United States. Tidelands
are encumbered with restrictions referred to as a public trust
that legally protects these lands for the common good. This protection furthers
two competing benefits, the promotion of commerce and citizen access to hunting
and fishing. Private property rights in tidal land is severely limited by this
public trust held by the states.
Coastal zone management seeks to balance natural and cultural amenities peculiar
to sea side regions because of mounting ecological problems. These problems
arise from the pressure of increased population density, continuing consumption
of electricity from polluting energy facilities, the location of land fills for
garbage disposal, dumping of industrial chemical and municipal wastes and second-home
development. The intensity of these competing uses almost destroyed the ecological
basis of marine productivity in all but the most remote locations. Serious declines
in wildlife due to the destruction of coastal habitats represents a serious
threat to biodiversity, ocean fisheries, and climate.
Contact
J. Siry,
Marshes of the Ocean Shore.
Sources
Study Guide
Date: 19 January 2008 |