Browsing UWM Field Station Bulletins by Title
Now showing items 86-105 of 166
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Oak island dynamics in Southeastern Wisconsin
(1979-04-01)The oak forests of southeastern Wisconsin appear relatively consistent in species composition and probably have shown little change in this regard since European settlement, perhaps because they were originally forest ... -
Patterns of seedling establishment in an old field
(1981-10-01)Within 100 years after settlement began (ca. 1830), most forest land in the Milwaukee area had been influenced by agriculture. When the land was cleared for cultivation, trees were occasionally left along property boundaries, ... -
Personnel profile - Alvin L. Throne
(1969-10-01)The UWM Field Stations Committee is composed of dedicated individuals interested in preserving natural areas for educational and scientific purposes. Success in the acquisition of such areas is often the result of the extra ... -
Phenology
(1969-04-01)A number of events are being recorded at the UWM Field Station, chiefly concerning the earliest arrival dates of certain birds and the earliest flowering dates of native woodland and bog plants. In the table below are ... -
Phenology - the layman's science
(1969-10-01)Phenology is embedded in human folklore and culture but it is also a science--a science of the relationships between biological events and environmental changes, chiefly those of season and weather. As a science phenology ... -
Phenology and microclimate
(1972-04-01)The Fairy Chasm Scientific Area encompasses twenty acres at the Lake Michigan end of a series of ravines that begin approximately 1 1/4 miles west of the shore of Lake Michigan in Ozaukee County. These ravines vary from ... -
Population Dynamics of the Black-capped Chickadee
(1971-04-01)The Black-capped Chickadee is an abundant, familiar bird in Wisconsin, known to almost everyone. In summer it is widespread in nearly all kinds of woods, although it is more numerous in younger second-growth forests, swamp ... -
Post-settlement land uses and their effects on the Cedarburg Bog
(1973-10-01)During a study of the plant species of a lowland hardwood stand at the western edge of the Cedarburg Bog (Farley, 1973), it was noted that significant environmental changes had occurred here and throughout the bog which ... -
Prairie establishment at the Field Station
(1973-10-01)Early in the development of the Cedar-Sauk Field Station it was decided to attempt establishing a sample of prairie vegetation as an experimental and demonstration project. Although none of the field station land had prairie ... -
Predator recognition through audition in the Black-capped Chickadee (Parus airicapillus)
(1978-10-01)The behavior of bird species toward a potential predator has been investigated in various studies in which a live or model predator has been presented to the subject(s). However, with the exception of a few reports of the ... -
Primary production in wild and cultivated cranberries
(1980-10-01)Cranberries grow in many Wisconsin sphagnum bogs. One of the two species, the large cranberry, Vaccinium macrocarpon Alt., is among the few American fruit crops in cultivation. Most of the cultivated cranberries have been ... -
Productivity and energy storage
(1972-10-01)Net annual production of plant communities is traditionally determined by measuring or estimating dry matter accumulation at the end of the growing season. Published records list crop or forest yields, i.e. the bales of ... -
Productivity of an urban park
(1971-10-01)We have moderately good knowledge of the yields of crops and of commercial forest land. In contrast, little is known of the productivity of urban park areas. Parks are neither grassland nor forest-in structure they most ... -
Purple loosestrife (Lythrum salicaria L.) in a southeastern sedge meadow
(1989-04-01)Floristic and seed bank composition of a sedge meadow containing purple loosestrife was examined in 1987 and 1988. Eleocharis spp., Spiraea tomentosa, Triadenum vircrinicum, and Lycopus spp. were widespread while infrequent ... -
Purple loosestrife (Lythrum salicaria): Its status in Wisconsin and control methods
(1987-04-01)Data were gathered in 1984 on the distribution, size, and habitat of populations of purple loosestrife in Wisconsin. Lythrum salicaria was found throughout Wisconsin, but most populations were still small and amenable to ... -
Range extension for burrowing crayfish Procambarus (girardiella) gracilis (Bundy)
(1987-04-01)The range of Procambarus (Girardiella) gracilis (Bundy) runs in a fairly narrow band southwest of Wisconsin through Illinois, Iowa, Missouri and Arkansas to the eastern edges of Nebraska, Kansas, Oklahoma and Texas. It ... -
Rate of growth of tamarack (Larix tarcina) in Cedarburg Bog
(1973-04-01)This study was undertaken to determine the influence of bog conditions on growth rate of tamarack (Larix larcina). The Cedarburg Bog in Ozaukee County, Wisconsin presents a unique opportunity for such study since it includes ... -
Recognition of brood-mate vocalizations by Northern Bobwhite (Colinus virginianus) chicks
(1983-10-01)Unrelated bobwhite quail (Colinus virginianus) chicks were hatched together and raised together. Each chick was tested in an arena with tape recorded separation, contentment and distress calls from a brood-mate and an ... -
Research in plant ecology at UWM - 1965 to 1984
(1984-10-01)Ecological research on plants and plant communities has been an active program at UWM, Involving several faculty, many undergraduate and graduate students and the UWM Field Station. Aquatic and urban environments, forests ... -
Salt and Milwaukee street trees
(1979-04-01)Many trees are not well-adapted to the rigors of urban life. Some are highly susceptible to the effects of S02. Others, such as the oaks, grow too slowly while cottonwood and horse chestnut for example, good city trees, ...