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Strategies & Market Trends : Fascist Oligarchs Attack Cute Cuddly Canadians -- Ignore unavailable to you. Want to Upgrade?

To: Snowshoe who wrote (736)	11/22/2002 5:23:45 PM
From: Crocodile	Read Replies (1) \| Respond to of 1293

We have trouble with Birch leaf miners here at our farm. I agree with the factsheet regarding the susceptibility of trees -- those in open areas seem to die from it by the time they are about 15-20 years old. Back in our forest where there are a lot of birch, there seem to be less dying off. And yes, the invasive species problem is definitely on the rise, partly because of climate change, but also because people are moving around a lot more. In aquatic habitats, a lot of species are being spread by movement of recreational fishing boats as people take boats with livewells from one lake or river to the next. I was just reading about Asiatic Carp in the U.S. They are trying to keep them from getting up as far as the Great Lakes, but they're almost there now. All it will take is a few careless fisherman to move some baitfish up to the lakes and there will be no stopping them after that. It can all be a bit depressing to contemplate sometimes.

To: Snowshoe who wrote (736)	11/22/2002 6:03:59 PM
From: marcos	Respond to of 1293

Sometimes trees are the alien invaders ... there is a pinus called radiata, commonly named for the only place it is found naturally, Monterrey peninsula of Alta California .... geological record shows it to have been all over North America previously, but now confined to a small area on the west coast, where it grows quite twisty and slowly ... well it just takes off in New Zealand, where it is the primary forestry species, and grows straight and incredibly fast .... it's become a weed in places where the seed blows into stands of native dicotyledons and takes over Same with BC douglas fir - at the top of the first funicular lift on the way to skiing at Queenstown, douglas fir is a weed all over, they spend serious money each year whacking it back .... in the botanical garden across the bay from the centre of town, there are a few specimens planted less than a hundred years ago, that would make any BC logger drool .... north of there in the same district there is a farmer i know, who just decided around 1990 to give up farming on most of his land, let the fir grow, and log it in ten or fifteen years, he'll really have something now, if/when log prices come back worldwide ... he had spent many years trying to keep his fields free of it, finally started comparing the economics against the dismal sheep business he'd been in Opossums too - there is a grimly amusing story about the guy who thought introducing them would adding a cute touch to the landscape, he had come across them in the US south, brought six or eight to NZ ... they've rendered completely extinct a number of bird species, just about wiped out others, and do serious damage to several native tree and shrub species .... driving after dark in NZ you see them on the road, it is your civic duty to steer in such a way as to produce the thump, say gotcha ya voracious little bugger, and collect yet more fur and gore on your undercarriage