Raritan Bay

Raritan Bay

Raritan Bay is a bay located at the confluence of the Raritan River and the Arthur Kill between the U.S. states of New York and New Jersey. The bay, which is just south of the important New York Harbor, is bounded on the north by New York's Staten Island and Lower New York Bay, on the west by Perth Amboy, New Jersey, on the south by the Raritan Bayshore communities of Monmouth County, New Jersey, and on the east by Sandy Hook Bay. The bay is named after the Native American Raritans, a branch of the Lenape tribe who lived in the vicinity of the bay at the time of the arrival of Dutch colonists in the 17th century.


Archeological evidence suggests that humans were already in the region at the close of the Pleistocene (probably actively contributing to the mass extinction of a variety of North American wildlife species). The early "Big Game Hunters" vanished, but the coastal regions were resettled by peoples accustomed to village-style living ("tidewater communities") that subsisted on hunting and gathering marine shellfish, and eventually, on agriculture. In pre-Columbian times "woodlands cultures" probably centered in the Ohio Valley became the dominant cultural influence in the region. Large shell middens were found around Raritan Bay and on Staten Island, a testament of the utilization of the bay for food by Algonquin Indian tribes (Lenapes) who occupied the area when early Colonialists arrived. Unfortunately, early settlers used these shell piles for road construction and field fertilizer. Tottenville was once well known for its roads paved with oyster shells! [ [http://3dparks.wr.usgs.gov/nyc/morraines/raritanbay.htm Geologic History of Raritan Bay] from the U.S. Department of the Interior, [U.S. Geological Survey] , accessed June 24, 2008]


The Raritan River was perhaps the major drainage channel along the ice front throughout the Wisconsin glaciation (Stages 1, 2, 3 and 4). Prior to that time the region drained southward across the saddle between the Atlantic Highlands and the Newark Basin into the Delaware River Valley. This saddle area is a very broad flood plain that preserves river terrace gravels (Pensauken Formation) from the Sangemon Interglacial State (Stage 5), as well as older Pleistocene fluvial deposits (The Bridgetown Formation). During the lowstand in sea level caused by the Wisconsin glacier, the Raritan River carved back into its headlands and captured the major drainages from the Newark Basin. [ [http://3dparks.wr.usgs.gov/nyc/morraines/raritanbay.htm Geologic History of Raritan Bay] from the U.S. Department of the Interior, [U.S. Geological Survey] , accessed December 13, 2006]

As the Wisconsin glaciers melted, the Flandrian Transgression eventually flooded the deeper valleys of the Hudson, Raritan, and Arthur Kill. During warming at the end of the Pleistocene and Early Holocene, the area encompassing Raritan Bay changed from tundra to a landscape dominated by spruce and pine forests. These forests gradually gave way to the modern deciduous forest in the region by mid-Holocene time. Lagoons and bays in the area around Sandy Hook hosted oysters, hard and soft shell clams, lobsters, blue crabs, and a variety of other invertebrates common in bays in the region today. South of western Long Island, tidal flats and wetlands occupied the margins of a tidal estuary (now submerged by marine waters). Inner Raritan Bay began to fill about 2,500 years ago with large oyster beds forming along the estuarine tributaries. Sea level continued to rise about one foot per century. This rise in sea level has resulted in the landward migration of the shoreline (aided by storm-induced coastal erosion) as much as two miles in some portions of the coast since colonial times. [ [http://3dparks.wr.usgs.gov/nyc/morraines/raritanbay.htm Geologic History of Raritan Bay] from the U.S. Department of the Interior, [U.S. Geological Survey] , accessed June 24, 2008]


The development and utilization of the marine resources of Raritan Bay can be compared to the traditional views of the American West. On the more romantic side, the lucrative fishing industry during the nineteenth and early twentieth centuries helped to support a stable population around the bay, and aided, in part, to feed the flood of immigration. Stable communities continued to grow and change with new industries supporting a larger population base. For instance, Perth Amboy NJ was the capitol of the East Jersey colony and was a provincial capitol until near the end of the 1700s. Advances in methods of fishing and shellfish collecting resulted in over-extraction of these resources from the bay. The peak of the fishing industry occurred in the late 1880s to 1910s. Fishing and farming slowly gave way to industries including ship building, ceramics, chemicals and paint manufacturing, electrolytic copper refining, and petroleum refining. In the Sayreville, New Jersey area large pits were dug to extract the clays for ceramics and bricks, and huge chemical dumps, fly ash piles, and landfills were created to accommodate the waste from the growing industrial empire. The building of shore management structures (dikes, groins, seawalls), the spraying of DDT (and other pesticides) to control the mosquito problem, the carving of ditches to drain wetlands, the filling of shore lowlands, the channelization of creeks, highway and sewer construction, neighborhood development, and a myriad of point and non-point sources of household, automobile, industrial chemicals, and ocean dumping all contributed to growing toxicity of the bay. For most of the twentieth century, the shores of Arthur Kill have been home to the largest petroleum importing, refining, and storage facilities on Earth; as a consequence the estuary has been host to major and minor oil spills. In addition, Arthur Kill drains the area encompassing the second largest landfill on Earth (Fresh Kills). This landfill, and others along the Raritan River, provide an ample supply of leachate to the waterways. Chemical wastes cause stress and disruption of the life cycles of plankton, shellfish and other invertebrates, and the fish, birds, and other wildlife they support. The result has been ecological disaster. The bay approached sterile conditions at the peak of pollution and algal bloom-induced anoxia. Environmental actions from the 1970s to present have helped slowly bring back sea life, but current conditions pale to the wealth of marine resources of the past; certain species of fish and birds continue to decline, and the introduction of tenacious exotic species from around the world contribute to their decline. As a sign of optimism though, oysters are beginning to naturally reappear in the Hudson River after having vanished completely about the time of World War Two. [ [http://3dparks.wr.usgs.gov/nyc/morraines/raritanbay.htm Geologic History of Raritan Bay] from the U.S. Department of the Interior, [U.S. Geological Survey] , accessed June 24, 2008]

Regional industrial overdevelopment and other pollution factors have raised PCB levels in the fish catch and prompted government recommendations against its routine consumption. [ [http://www.ahherald.com/oaktrail/2006/oot060427_pcbs_raritan.htm Don't Eat The Fish: PCBs in Raritan Bay, Atlantic Highlands Herald, 27 April 2006] ]

The bay is crossed by a dredged channel allowing commercial ships to enter the Arthur Kill.

Fish species

Some of Raritan Bay's fish species include striped bass, fluke, flounder, bluefish, tautog and weakfish. The crustacean species represented include the blue claw crab, fiddler crab, green crab and spider crab. Clams and mussels also live in Raritan Bay. The bay is a popular destination for recreational fishing due to its proximity to the densely populated areas of Central Jersey and New York City.

See also

*Arthur Kill
*Geography of New York Harbor
*Hudson Canyon
*Lower New York Bay
*Sandy Hook Bay


External links

* [http://3dparks.wr.usgs.gov/nyc/morraines/raritanbay.htm Geologic History of Raritan Bay]

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