Delta Marsh is a 21,870 ha freshwater marsh located on the south shore of Lake Manitoba. It is a valuable habitat for many species of fish during the ice-free seasons, during which time it is used for spawning,

Temporal and spatial variability in structure and composition of the macroinvertebrate community throughout the open-water season in wetland water bodies has been investigated in few studies (Laurie 1942;

Numbers and biomass of emerging insects have been examined in various habitat types, including lakes and wetlands (Welch 1973; Welch et al. 1988a; Wrubleski

The Brown-headed Cowbird (Molothrus ater) is a native North American icterid and the most common obligate interspecific brood parasite in North America. Brood parasites lay their eggs in the nests of other bird

The 21,870 ha Delta Marsh occurs along the south

Wetlands are often regarded as natural “filters ” for nutrients from external sources such as agricultural fertilizers, animal manure, and domestic sewage. Once in a wetland, these nutrients can be taken by primary

Extensive salt-water marshes are located on the Colorado River Delta and Matagorda Peninsula along the central Gulf Coast of Texas (Fig. 1). Comparison of marsh distribution interpreted and digitized on histor ical and recent aerial photographs shows that since the 1950’s, along the west side

-Libau Marsh (Libau 2 FMS, Libau 3 FMS and a Control FMS) and in the Delta Marsh (Delta FMS). Data were collected in 10-day intervals from 30 ran-domly tagged stems in each FMS beginning in the late spring and ending in early fall. In the Libau 3 FMS, a significant increase in the G. calmariensis population

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Erosion of marsh shoreline in Hancock County has been occurring steadily throughout the past several thousand years, since the abandonment of the Saint Bernard delta lobe of the Mississippi River (Otvos, 1985). The Hancock County marsh is located in the southwest corner of Mississippi, adjacent