Search Results - "Zimmerman, Julie K. H"

Ecological responses to altered flow regimes: a literature review to inform the science and management of environmental flows by POFF, N. LEROY, ZIMMERMAN, JULIE K.H

“…1. In an effort to develop quantitative relationships between various kinds of flow alteration and ecological responses, we reviewed 165 papers published over…”
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Squeezing the most out of existing literature: a systematic re-analysis of published evidence on ecological responses to altered flows by Angus Webb, J., Miller, Kimberly A., King, Elise L., de Little, Siobhan C., Stewardson, Michael J., Zimmerman, Julie K. H., LeRoy Poff, N.

“…Summary Human‐induced changes in river flow regimes are ubiquitous worldwide. Although numerous case studies have identified negative ecological impacts of…”
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Determining the effects of dams on subdaily variation in river flows at a whole‐basin scale by Zimmerman, Julie K.H, Letcher, Benjamin H, Nislow, Keith H, Lutz, Kimberly A, Magilligan, Francis J

“…River regulation can alter the frequency and magnitude of subdaily flow variations causing major impacts on ecological structure and function. We developed an…”
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Stream flow modeling tools inform environmental water policy in California by Grantham, Theodore E, Zimmerman, Julie K. H, Carah, Jennifer K, Howard, Jeanette K

“…Management of California s vast water distribution network, involving hundreds of dams and diversions from rivers and streams, provides water to 40 million…”
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Contrast of Degraded and Restored Stream Habitat Using an Individual-Based Salmon Model by Railsback, Steven F, Gard, Mark, Harvey, Bret C, White, Jason L, Zimmerman, Julie K. H

“…Stream habitat restoration projects are popular, but can be expensive and difficult to evaluate. We describe inSALMO, an individual-based model designed to…”
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Agricultural land use effects on sediment loading and fish assemblages in two Minnesota (USA) watersheds by ZIMMERMAN, Julie K. H, VONDRACEK, Bruce, WESTRA, John

“…We examined the relationship between water quality and fish communities within two agricultural areas using a computer simulation model. Our analyses focused…”
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Patterns and magnitude of flow alteration in California, USA by Zimmerman, Julie K. H., Carlisle, Daren M., May, Jason T., Klausmeyer, Kirk R., Grantham, Theodore E., Brown, Larry R., Howard, Jeanette K.

“…Quantifying the natural flow regime is essential for management of water resources and conservation of aquatic ecosystems. Understanding the degree to which…”
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Land use, spatial scale, and stream systems: lessons from an agricultural region by Vondracek, Bruce, Blann, Kristen L, Cox, Carson B, Nerbonne, Julia Frost, Mumford, Karen G, Nerbonne, Brian A, Sovell, Laurie A, Zimmerman, Julie K H

“…We synthesized nine studies that examined the influence of land use at different spatial scales in structuring biotic assemblages and stream channel…”
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Damage and Recovery of Riparian Sierra Palms after Hurricane Georges: Influence of Topography and Biotic Characteristics by Zimmerman, Julie K. H., Covich, Alan P.

“…Tropical forests are often shaped by disturbance events, especially in regions where hurricanes and other severe storms occur. We studied the effects of…”
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Cannabis and residential groundwater pumping impacts on streamflow and ecosystems in Northern California by Zipper, Samuel C, Carah, Jennifer K, Dillis, Christopher, Gleeson, Tom, Kerr, Ben, Rohde, Melissa M, Howard, Jeanette K, Zimmerman, Julie K H

“…Cannabis is an emerging agricultural frontier, but due to its quasi-legal status its environmental impacts are poorly understood. Where cannabis is irrigated…”
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Modeling Functional Flows in California’s Rivers by Grantham, Theodore E., Carlisle, Daren M., Howard, Jeanette, Lane, Belize, Lusardi, Robert, Obester, Alyssa, Sandoval-Solis, Samuel, Stanford, Bronwen, Stein, Eric D., Taniguchi-Quan, Kristine T., Yarnell, Sarah M., Zimmerman, Julie K. H.

“…Environmental flows are critical to the recovery and conservation of freshwater ecosystems worldwide. However, estimating the flows needed to sustain ecosystem…”
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Brown trout and food web interactions in a Minnesota stream by ZIMMERMAN, JULIE K. H., VONDRACEK, BRUCE

“…Summary 1. We examined indirect, community‐level interactions in a stream that contained non‐native brown trout (Salmo trutta Linnaeus), native brook trout…”
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Interactions between Slimy Sculpin and Trout: Slimy Sculpin Growth and Diet in Relation to Native and Nonnative Trout by Zimmerman, Julie K. H., Vondracek, Bruce

“…To investigate whether introductions of nonnative trout affect growth and diet of nongame fish in small streams, we designed a field experiment to examine…”
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Setting an effective TMDL: Sediment loading and effects of suspended sediment on fish by VONDRACEK, Bruce, ZIMMERMAN, Julie K. H, WESTRA, John V

“…Estimates of sediment loading from the basin-scale agricultural model, Agricultural Drainage and Pesticide Transport, were combined with information on the…”
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Bioeconomic analysis of selected conservation practices on soil erosion and freshwater fisheries by Westra, J.V, Zimmerman, J.K.H, Vondracek, B

“…The Agricultural Drainage and Pesticide Transport model, which is detailed, was used to estimate total sediment load in two watershed study areas in Minnesota,…”
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Stream flow modeling tools inform environmental water policy in California by Theodore E. Grantham, Julie K. H. Zimmerman, Jennifer K. Carah, Jeanette K. Howard

“…Management of California's vast water distribution network, involving hundreds of dams and diversions from rivers and streams, provides water to 40 million…”
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Effects of stream enclosures on drifting invertebrates and fish growth by Zimmerman, Julie K. H, Vondracek, Bruce

“…Stream ecologists often use enclosure experiments to investigate predator–prey interactions and competition within and among fish species. The design of…”
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SETTING AN EFFECTIVE TMDL: SEDIMENT LOADING AND EFFECTS OF SUSPENDED SEDIMENT ON FISR by Vondracek, Bruce, Zimmerman, Julie K. H., Westra, John V.

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SETTING AN EFFECTIVE TMDL: SEDIMENT LOADING AND EFFECTS OF SUSPENDED SEDIMENT ON FISR1 by Vondracek, Bruce, Zimmerman, Julie K. H., Westra, John V.

“…The Agricultural Drainage and Pesticide Transport model was used to examine the relationship between fish and suspended sediment in the context of a proposed…”
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SETTING AN EFFECTIVE TMDL: SEDIMENT LOADING AND EFFECTS OF SUSPENDED SEDIMENT ON FISR 1 by Vondracek, Bruce, Zimmerman, Julie K. H., Westra, John V.

“…The Agricultural Drainage and Pesticide Transport model was used to examine the relationship between fish and suspended sediment in the context of a proposed…”
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