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Queen's marine biologist investigates aliens beneath the waves
June 17, 2008Queen's University Belfast is appealing for help from the public in looking at ways to detect and stop the spread of marine aliens.
Activities such as aquaculture, shipping and recreational boating have led to an army of marine alien species hitchhiking around the globe. Now Queen's is attempting to find out exactly where and how non-native species get a foothold in a new area. To do this it is asking for help from the public to record what they have seen.
Part of the Marine Aliens consortium, co-ordinated by the Scottish Association for Marine Science, the project will use the information gathered to look at how invasions can be slowed or preferably prevented. It is very difficult to eradicate an organism once it has become established in a new area.
Professor Christine Maggs, from the School of Biological Sciences at Queen's, said:
"While exotic plants and animals like rhododendrons and grey squirrels are obvious in the British Isles, beneath the waves a hidden invasion of non-native species is taking place around our shores.
"Many marine aliens have left their natural enemies behind and may compete with native species with potentially disastrous consequences for aquaculture, tourism and other marine activities.
"But we can all do our bit for biosecurity - anyone who has a boat or who visits the shore can help by telling scientists what they have seen."
A guide on the Marine Aliens website will help the public identify some of the non-native species which are least wanted, including the Japanese seaweed Sargassum, which has become extremely common in Strangford Lough, the Chinese mitten crab, already found in Ireland, and two species that have not arrived here yet, the Japanese skeleton shrimp and a colonial sea squirt. The site is at www.marlin.ac.uk/marine_aliens
Records of marine life should include as a minimum what was seen, and where and when it was seen. They can be made online at www.marlin.ac.uk/rml and sightings in Ireland can also be reported through the invasive species Ireland website www.invasivespeciesireland.com
Queen's University Belfast
Professor Christine Maggs, from the School of Biological Sciences at Queen's, said:
"While exotic plants and animals like rhododendrons and grey squirrels are obvious in the British Isles, beneath the waves a hidden invasion of non-native species is taking place around our shores.
"Many marine aliens have left their natural enemies behind and may compete with native species with potentially disastrous consequences for aquaculture, tourism and other marine activities.
"But we can all do our bit for biosecurity - anyone who has a boat or who visits the shore can help by telling scientists what they have seen."
A guide on the Marine Aliens website will help the public identify some of the non-native species which are least wanted, including the Japanese seaweed Sargassum, which has become extremely common in Strangford Lough, the Chinese mitten crab, already found in Ireland, and two species that have not arrived here yet, the Japanese skeleton shrimp and a colonial sea squirt. The site is at www.marlin.ac.uk/marine_aliens
Records of marine life should include as a minimum what was seen, and where and when it was seen. They can be made online at www.marlin.ac.uk/rml and sightings in Ireland can also be reported through the invasive species Ireland website www.invasivespeciesireland.com
Queen's University Belfast
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Canker disease in eucalyptus in the Basque Country
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Experts meet on need for new rules to govern world's fragile polar regions
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Evaluating ecosystem services
Environmental conservation efforts have traditionally focused on protecting individual species or natural resources. Scientists are discovering, however, that preserving the benefits that whole ecosystems provide to people is more economically and environmentally valuable. At the Annual Meeting of the Ecological Society of America (ESA), ecologists will explore the application of ecosystem services approaches to conservation.
MSU researchers recommend ways to fight lake trout invasion in Glacier National Park
Natural barriers like waterfalls play an important role in preventing lake trout from spreading through Glacier National Park, so maintaining those barriers should be a priority, Montana State University researchers said after conducting a four-year study in the park.
Conservation of freshwater fish biodiversity: a challenge for the countries of the South
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Foreign Invaders: Non-Native Species and their Effects on North America's Ecosystems by John Chabot (Author) Foreign Invaders is a reproducible reading-and-discussion text that features 20 stories about non-native species and their effect on North America’s ecosystems, with exercises. It can be used for low-intermediate to intermediate students. Units include Burmese Python, House Sparrow, Dutch Elm Disease, Garlic Mustard, Red Imported Fire Ant, Mute Swan, Yellow Starthistle, Wild Boar, Water Hyacinth, Zebra Mussel, Whirling Disease, Africanized Honey Bees, Green Crab, Plum Pox, American Bullfrog, Phragmites Australis, Asian Long-Horned Beetle, Asian Carp, Purple Loosestrife and West Nile Virus. There is a complete answer key. |
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Using self-organizing maps to investigate spatial patterns of non-native species [An article from: Biological Conservation] by R. Cereghino (Author), F. Santoul (Author), A. Compin (Author), Mastrorillo (Author) This digital document is a journal article from Biological Conservation, published by Elsevier in . The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser. Description: Our ability to demonstrate statistical patterns of invasion by non-native species will determine the success of future management projects. We investigated the suitability of self-organizing maps (SOM, neural network) for patterning habitat invasion by exotic fish species at the regional scale (Southwest France), using a binary dataset of species occurrences. The SOM visualization can be used as an analytical tool to bring out relationships between sample locations and biological variables, but in addition the... |
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