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Jordan, William R., III (ed.) / Our first 50 years: the University of Wisconsin-Madison Arboretum 1934-1984
(1984)
Cottam, Grant
Progress report: the plant communities, pp. 11-16
Page 14
trees became severely overcrowded impenetrable thicket of The other nonnative community is and unhealthy. The drought of honeysuckle or buckthorn. even farther away from home 1976 resulted in very high . . . here. This is the Rocky Mountain The juniper knoll just south of mortality in many parts of the . forest complex on the Grady Gallistel Woods has also presented forest. Dr. Kline, with the help of . . . . . Tract. Plans exist for developing a difficulties. Before the junipers . the DNR forester has marked series of communities ranging were planted, a large amount of over half of the existing trees for . . . . from the very dry pinyon-jumper sand was deposited on this site in removal, and this thinning has . to the fairly mesic spruce-fir and an attempt to provide the dry, been accomplished on about six . . lodgepole pine communities. The nutrient-poor environment acres of the fifty acres planted in . . . . most successful of these plantings characteristic of juniper knolls. the Leopold Pines and the Grady . . has been the ponderosa pines, and This has not been entirely Tract. The thinning was very . there are those who say it has successful, however, with the successful and completion of this . . . been too successful because the result that, while the junipers are task is imperative. . pines are starting to block a very doing well, many other plants are The northern lowland forests nice view of the city of Madison. too, and the knoll has been have not received the attention the . The Douglas fir forest has been overrun by unwanted species. upland forests have received, and Several Friends work parties have less successful, and many of the success in establishing these . . . . . components of this forest complex materially improved this situation. communities has not been very have never been planted. In view Fire management here would be great. The tamarack plantings . . of our notable lack of success in difficult because of the have been most successful. These . . . . establishing an understory in the flammability of the jumpers. trees seem to transplant easily, and Leopold Pines, it would appear some fairly large ones were Two probably overambitious that it would be easier to move brought in and have grown well, attempts were made to establish in the Arboretum to Colorado than Black spruce and white cedar have the Arboretum plant communities to establish a Rocky Mountain also been planted and are not native to Wisconsin. The first forest in Wisconsin. surviving. But no ecologist would of these is the Ohio Valley The native communities that claim that we have anything hardwood planting in the southern existed here when the Arboretum resembling real northern lowland part of Gallistel Woods. This was was established have also had their forest communities in the intended to represent the wet-mesic share of problems. The wooded Arboretum. The white cedar forests that grow farther south, areas have suffered the invasion of community looks like a deer yard, and plantings of magnolia, some weedy species, notably the but probably the biggest disaster sassafras, tulip tree, and a number ubiquitous honeysuckle and has been around Teal Pond, where of small trees and shrubs, buckthorn (Rhamnus cathartica). a taxonomic error resulted in the including flowering dogwood and Noe Woods is in the best shape, planting of European alder (Alnus redbud, were made there. So far, but its maintenance has required a glutinosa) instead of the native the results have been lot of effort spent eraaicating the species (A. rugosa). European disappointing. Many of the species honeysuckle and some Norway alder grows very rapidly and gets have managed to survive, but have maples that managed to get much larger than the native alder. so far failed to establish an established there. The sandy slopes It also sprouts prolifically when authentic sample of the Ohio above the Greene Prairie formerly cut, so that attempts to eradicate Valley hardwood forest. It has supported an oak opening. This it have only resulted in a large been suggested that these opening is now much smaller increase in the number of stems. nonnative species might do better because the numerous young oaks The fact that our most noxious if the oaks that tower over them there quickly became small trees woody weeds, the hybrid were judiciously thinned. But the after grazing stopped following honeysuckle and buckthorn, thrive idea of destroying good native acquisition of the land, and also on moist sites adds to the species in order to encourage a because of as 1954 fire, which problem, and large areas of the nonnative community is not an destroyed many of the large trees Arboretum have an almost altogether attractive one. but apparently stimulated the 14
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