Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Jeffrey A. Schuldt"'
Autor:
John J. Hutchens, Lucinda B. Johnson, Jeffrey A. Schuldt, Dan Breneman, Carl Richards, George E Host
Publikováno v:
Ecological Indicators. 9:1138-1150
We developed ecological indicators of stream macroinvertebrates in two regions of the Midwestern USA dominated by row-crop agriculture. Indicators were identified in a hierarchical fashion. Reach-scale variables related to macroinvertebrate attribute
Publikováno v:
Aquatic Ecosystem Health & Management. 8:323-349
A probability-based, sediment quality assessment was conducted during 1995 in the lower St. Louis River Area of Concern, located in western Lake Superior. A regional application of the intensified sampling grid developed for the United States Environ
Autor:
Jeffrey A. Schuldt, Anne E. Hershey
Publikováno v:
Journal of the North American Benthological Society. 14:259-268
We investigated the fate of organic matter and inorganic nutrients derived from spawning runs of chinook salmon in tributary streams to Lake Superior during fall and winter 1990. Upstream-downstream comparisons and experimental introduction of carcas
Publikováno v:
Hydrobiologia. 240:247-258
Autor:
John E. Hobbie, Linda A. Deegan, J. Robie Vestal, Maurice A. Lock, Richard W. Merritt, George W. Kipphut, William B. Bowden, Bruce J. Peterson, George W. Kling, Michael C. Miller, Anne E. Hershey, Jeffrey A. Schuldt
Publikováno v:
Ecological Studies ISBN: 9781461268666
Our studies have focused on carbon and nutrient dynamics, primary productivity and decomposition, and abundance and life histories of the macroconsumers in the Kuparuk River in arctic Alaska. The overall objective of these studies is to understand th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef2eb61650ee5396224dd9259961938d
https://doi.org/10.1007/978-1-4612-0677-4_4
https://doi.org/10.1007/978-1-4612-0677-4_4
Publikováno v:
Toolik Lake ISBN: 9789401052061
The life history, drift behavior, and benthic density of Baetis (Ephemeroptera) were examined in the arctic Kuparuk River in conjunction with a whole river fertilization experiment to determine if river fertilization affected Baetis drift and life hi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f97ec2d5e91946e560512d91cf94e806
https://doi.org/10.1007/978-94-011-2720-2_20
https://doi.org/10.1007/978-94-011-2720-2_20