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Full-Text Articles in Forest Sciences
The Marsh Beetles (Coleoptera: Scirtidae) Of Pine Hollow And The Uw-Milwaukee Field Station, Daniel K. Young
The Marsh Beetles (Coleoptera: Scirtidae) Of Pine Hollow And The Uw-Milwaukee Field Station, Daniel K. Young
Field Station Bulletins
Four species of marsh beetles were collected from Pine Hollow during the 1987 field season. Of these, Prionocyphon discoideus (Say) represents a new state record. In addition, specimens of an undescribed Cyphon were also recovered. During the same period, 12 scirtid species were taken at the UW-Milwaukee Field Station. Of these, new state records are reported for five species of Cyphon: fuscescens Klausnitzer, neovariabilis Klausnitzer, orohreatus KLausnitzer, perplexus Blatchley, and ruficollis (Say). Only two species, Flavohelodes thoracica (Guerin-Meneville) and Cyphon obscurus (Guerin-Meneville), were recovered from both sites. Observational notes are included for each of the species found at the two …
Glossy Buckthorn (Rhamnus Frangula), A Threat To The Vegetation Of The Cedarburg Bog, James A. Reinartz, Joanne Kline
Glossy Buckthorn (Rhamnus Frangula), A Threat To The Vegetation Of The Cedarburg Bog, James A. Reinartz, Joanne Kline
Field Station Bulletins
Glossy buckthorn (Rhamnus frangula) is a shrub or small tree which is a native of Eurasia, introduced to North America about the mid-nineteenth century. Escaped from cultivation, Rhamnus frangula is rapidly becoming a serious pest in certain kinds of wetland habitats and has been in the Cedarburg Bog for at least the last thirty years. Glossy buckthorn is most dense in the string bog, the most unique vegetation type in the Bog. Since 1968, the string bog population of Rhamnus frangula has been growing logarithmically at a rate which doubles the population size in less than 4 years. Individual shoots …
Status Of Alien Plant Species In Eight State Naturalareas In Eastern Wisconsin, Lawrence A. Leitner
Status Of Alien Plant Species In Eight State Naturalareas In Eastern Wisconsin, Lawrence A. Leitner
Field Station Bulletins
An annotated list of the non-native plant species found in eight eastern Wisconsin natural areas and their relative abundances in 1988 is presented. Except for European buckthorn, aliens were scattered and at low densities, several found mainly along trails. The most seriously invaded sites were Sanders Park and Muskego Park, areas with numerous hiking trails and relatively open, oak-dominated canopies.
Long-Term Population Trends In Songbirds: Evidence From A General Netting Program, Charles M. Weise
Long-Term Population Trends In Songbirds: Evidence From A General Netting Program, Charles M. Weise
Field Station Bulletins
A one-day-a-week general bird-netting operation has been conducted each autumn since 1965 at the UWM Field Station. Overall results for 23 years are presented, on a species by species basis. The 101 species captured were divided into three groups for a linear regression test for long-term population trends. Permanent residents showed no change over the 23 years. Short distance migrants exhibited a slight but not statistically significant decline. Long-distance migrants, on the other hand, exhibited a statistically significant decline, lending support to other studies which have reported population declines in North American songbirds that spend the winter in the tropics.
Long-Term Population Fluctuations Of Small Mammals At The Uwm Field Station, James W. Popp, Paul E. Matthiae, Charles M. Weise, James A. Reinartz
Long-Term Population Fluctuations Of Small Mammals At The Uwm Field Station, James W. Popp, Paul E. Matthiae, Charles M. Weise, James A. Reinartz
Field Station Bulletins
Population sizes of four small mammals, Peromyscus leucopus, Microtus pennsylvanicus, Blarina brevicauda, and Sorex cinereus, were monitored for over twenty years at the UWM Field Station. P. leucopus had moderate fluctuations in size, but showed no evidence of cyclic or regular fluctuations. M. pennsylvanicus exhibited dramatic fluctuations with cycles of 3-5 years. Neither shrew species appeared to have cyclic fluctuations. The population sizes of the two shrew species were positively correlated with each other. No other significant correlations were found between species. Population sizes were probably influenced by a number of factors including predation, competition and weather.
Additions To The Fungi Of The Uwm Field Station, Alan D. Parker
Additions To The Fungi Of The Uwm Field Station, Alan D. Parker
Field Station Bulletins
A preliminary checklist totaling 147 species of fungi identified from the Field Station was published recently (Parker, 1987). Extensive collecting in the beech-maple hardwoods and one trip into the cedar-tamarack swamp during July-October 1987 have provided records of an additional 54 species. Among the fungi identified during 1987 are the following noteworthy taxa: Thuemenella cubispora (Ellis & Holw.) Boedjn - Ascomycetes, Hypocreales