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<br />stated there are still a lot of chestnut but they just don't reach the stature they had years <br />ago. Mr. Nicolson stated he was surprised to see the number of Siberian elm. He stated <br />he was not surprised to see buckthorn, amour maple, and silver maple. He stated if a <br />more thorough inventory were done, the percentage may drop. He stated Siberian elm <br />puts out so much seed they can take over the buckthorn. <br /> <br />Board Member Max asked if they were in back yards. <br /> <br />Mr. Nicholson stated that Siberian elm grows mostly in back yards but also in parks. He <br />stated that if he didn't make any other recommendation, address the sites that the city <br />owns. He stated that there were some that had been planted and grow quickly. <br /> <br />Board Member Max asked if people were intentionally taking care of it or was it meant to <br />be a windbreak. <br /> <br />Board Member Bentz asked where they were native to. <br /> <br />Mr. Nicholson stated that it was an import from eastern Europe. <br /> <br />Environmental Specialist Bacon stated the DNR used to use them as windbreaks. <br /> <br />Mr. Nicholson stated that Warroad used them as street trees. <br /> <br />Environmental Specialist Bacon stated that the tree conservation ordinance touched on <br />the possibility of adding credits for developers that removed invasive species like <br />buckthorn and Siberian elm. <br /> <br />Mr. Nicholson concurred that it was something to consider <br /> <br />Board Member Max stated that to some degree, no tree is better. <br /> <br />Mr. Nicholson stated that in some areas it may be appropriate not to have trees in some <br />parts of the city in the interest of preserving or reforestation. He stated the city may want <br />to think along those lines. <br /> <br />Environmental Specialist Bacon asked what Yellow wood was. <br /> <br />Mr. Nicholson stated that was a surprising discovery in Minnesota. The Yellow wood is <br />typically found in Missouri. He stated it is an attractive tree that looks similar to a <br />buckeye but grows short. <br /> <br />Coordinator Anderson asked if it was pushing the limit of its hardiness here. <br /> <br />Environmental Specialist Bacon stated the list was quite diverse. <br />Mr. Nicholson stated that his report does indicate trees not native to Minnesota. <br /> <br />Environmental Policy Board! December 4, 2006 <br />Page 6 of 19 <br />