Tag Archives: plant

A Snapshot of Ireland’s Ecological Landscape

Last week, the NTNU University Museum’s Department of Natural History was benevolent enough to send its staff on a four day journey around Ireland. My previous experiences with Ireland have been two somewhat ill-fated trips on New Year’s Eve 2008 and St. Patrick’s Day 2012, so I was eager to see Ireland’s greener side. In an attempt to spruik some of the more interesting parts of the trip, I’ve broken it down below.

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The Asian Ladybeetle

The Asian Ladybeetle, which has now established itself in Norway and will likely be a permanent fixture in our ecosystem

The Asian Ladybeetle, which has now established itself in Norway and will likely be a permanent fixture in our ecosystem (Image Credit: Scott Bauer, CC0)

Reasons for deliberately introducing novel species vary, from their aesthetic appeal to a boost they may provide the economy with. Using them for biological control is another, and it has led to some of the world’s most infamous biological invasions. Today we look at the Asian Ladybeetle, which Norwegian farmers were keen on importing into the country to use to control pest species that were damaging local crops.

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Alien Trees & Filling the Knowledge Gap

Guest post by Tanja Petersen

recent report jointly published by WWF, Sabima, Friends of the Earth Norway and the Norwegian Botanical Society showed that alien tree species are one of the largest threats to native tree species, even inside protected areas. The news even reached Norwegian news outlet NRK. But why are alien trees a problem? Isn’t a tree, well, just a tree? As guest blogger Tanja Petersen explains, not quite.

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