Abstract
MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout the JournalEditorsTheme Sections MEPS 449:297-302 (2012) - DOI: https://doi.org/10.3354/meps09553 AS I SEE IT Marine species invasions in estuaries and harbors John C. Briggs* Department of Fisheries and Wildlife, Oregon State University, Corvallis, Oregon 97333, USA Present address: 43939 Spiaggia Place, Indio, California 92203, USA *Email: clingfishes@yahoo.com ABSTRACT: The biodiversity of most marine communities is more or less dependent on continuous invasions from sources with greater richness. These ongoing, natural invasions have become greatly augmented by ship traffic in numerous estuaries and harbors where the native biota has been diminished or lost due to habitat destruction and pollution. Some of the invaders proved to be pests, indicating that these kinds of human introductions need to be controlled, but the ultimate management problem is that the invaders have generally increased diversity at the lower trophic levels after the top-level predators were lost or diminished. During the past 20 yr, work on habitat improvement has been progressing within many estuaries. But so far there is little evidence of the final step in restoration, which should be the revival of a balanced, more productive ecosystem. The inflow of invasions can be lessened by the prevention of ballast water release, pollution control, and habitat improvement. These changes should be followed by steps to reintroduce apex-level predators in order to restore natural ecosystems. KEY WORDS: Marine invasions · Human introductions · Biodiversity · Trophic levels · Transplantation · Conservation Full text in pdf format PreviousCite this article as: Briggs JC (2012) Marine species invasions in estuaries and harbors. Mar Ecol Prog Ser 449:297-302. https://doi.org/10.3354/meps09553 Export citation RSS - Facebook - Tweet - linkedIn Cited by Published in MEPS Vol. 449. Online publication date: March 08, 2012 Print ISSN: 0171-8630; Online ISSN: 1616-1599 Copyright © 2012 Inter-Research.
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