|Central coordinates||79o 15.29' West 42o 52.33' North|
|IBA criteria||A4i, A4iii|
|Year of IBA assessment||2008|
Site description Port Colborne is located on the northern shore of Lake Erie at the eastern end of the Lake. The site is comprised of colonies at two locations: on a breakwater, which is located 1 km offshore, to the southwest of the mouth of the Welland Canal; and on a landfill at the southernmost tip of the Algoma Property on the immediate east side of the mouth of the Welland canal.
Construction of the breakwater started in 1901 in association with the operation of the third Welland Canal (part of the St. Lawrence Seaway System). In 1903, a lighthouse was built at the east end of the structure, and a helipad was constructed close by in 1987. The breakwater is about 700 m long east-west, with a south arm about 400 m long. A pile of loosely scattered limestone boulders and gravel occurs at the intersection of the two arms. The mainland site is a human-created landfill stretching along the east side of the Welland Canal. It has a rock base, and a thin layer of organic material that supports grass and other herbaceous plants.
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Ring-billed Gull Larus delawarensis||breeding||1999||35,537 breeding pairs||-||A4i||Least Concern|
|A4iii Species group - waterbirds||breeding||1999||20,000-49,999 breeding pairs||unknown||A4iii|
|IUCN habitat||Habitat detail||Extent (% of site)|
|Wetlands (inland)||Freshwater lakes and pools||-|
|Artificial - terrestrial||Urban and industrial areas||-|
|Land-use||Extent (% of site)|
|nature conservation and research||major|
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Recommended citation BirdLife International (2014) Important Bird Areas factsheet: Port Colborne (breakwater and mainland). Downloaded from http://www.birdlife.org on 22/08/2014
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