Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Michael D. Bilger"'
Publikováno v:
Journal of Freshwater Ecology, Vol 33, Iss 1, Pp 299-310 (2018)
The invasive shrub Japanese knotweed (Fallopia japonica) is spreading through riparian forests in Central Pennsylvania. There is concern that detritus from this species may impact adjacent aquatic ecosystems, as allocthonous material forms the basis
Externí odkaz:
https://doaj.org/article/e12469dab90749848454b62f76669465
Publikováno v:
Freshwater Science. 34:593-605
Government agencies frequently conduct benthic macroinvertebrate surveys for bioassessment at large spatial scales in a variety of aquatic habitats, including large rivers. However, these data are rarely used by investigators outside the specific reg
Autor:
Michael D. Bilger, Brian P. Mangan
Publikováno v:
The American Midland Naturalist. 167:410-415
Multiple specimens of the rusty crayfish (Orconectes rusticus) collected from the Susquehanna River in Pennsylvania exhibited Rheotanytarsus sp. (Diptera: Chironomidae) living on their carapaces and chelipeds. Although chironomid larvae have been rep
Publikováno v:
Journal of the North American Benthological Society. 26:286-307
Damaged and immature specimens often result in macroinvertebrate data that contain ambiguous parent-child pairs (i.e., abundances associated with multiple related levels of the taxonomic hierarchy such as Baetis pluto and the associated ambiguous par
Autor:
Michael D. Bilger, Karen Riva-Murray, David L. Vana-Miller, David B. Halliwell, Robert A. Daniels
Publikováno v:
Transactions of the American Fisheries Society. 131:1044-1060
An index of biological integrity (IBI) was developed for streams in the Hudson, Delaware, and Susquehanna River drainages in the northeastern United States based on fish assemblage data from the Mohawk River drainage of New York. The original IBI, de
Autor:
Michael D. Bilger, Charles A. Cravotta
Publikováno v:
Geochemistry: Exploration, Environment, Analysis. 1:33-50
Stream flow, chemical and biological data for the northern part of Swatara Creek, which drains a 112 km 2 area in the Southern Anthracite Field of eastern Pennsylvania, indicate progressive improvement in water quality since 1959, after which most mi
Autor:
Michael D. Bilger, Douglas C. Chichester, Peter J. Cinotto, Michael J. Langland, Robin A. Brightbill
Publikováno v:
Scientific Investigations Report.
Autor:
Karen Riva-Murray, Michael D. Bilger, Jeffrey M. Fischer, Kristin M. Romanok, Robin A. Brightbill
Publikováno v:
Scientific Investigations Report.
Publikováno v:
Data Series.