Search Results - "Levi, Peter S"
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Ecological Effects of Live Salmon Exceed Those of Carcasses During an Annual Spawning Migration
Published in Ecosystems (New York) (01-06-2011)“…We tested the hypothesis that the carcasses of anadromous Pacific salmon (Oncorhynchus spp.) constitute a significant source of nutrients in the nutrient-poor…”
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2
Ecosystem responses to channel restoration decline with stream size in urban river networks
Published in Ecological applications (01-07-2020)“…Urban streams are often severely impaired due to channelization, high loads of nutrients and contaminants, and altered land cover in the watershed. Physical…”
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Macrophytes enhance reach-scale metabolism on a daily, seasonal and annual basis in agricultural lowland streams
Published in Aquatic sciences (2021)“…In many lowland streams, macrophytes are highly abundant and play a key role in ecosystem structure and function. However, no studies on annual stream…”
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Microbial community diversity and composition varies with habitat characteristics and biofilm function in macrophyte‐rich streams
Published in Oikos (01-03-2017)“…Biofilms in streams play an integral role in ecosystem processes and function yet few studies have investigated the broad diversity of these complex…”
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Macrophyte Complexity Controls Nutrient Uptake in Lowland Streams
Published in Ecosystems (New York) (01-08-2015)“…Macrophytes act as ecosystem engineers in lowland stream ecosystems, enhancing habitat complexity and physical structure. Studies have demonstrated that…”
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Riverine macrophytes control seasonal nutrient uptake via both physical and biological pathways
Published in Freshwater biology (01-02-2020)“…In low‐gradient, macrophyte‐rich rivers, we expect that the significant change in macrophyte biomass among seasons will strongly influence both biological…”
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Sensor-Equipped Unmanned Surface Vehicle for High-Resolution Mapping of Water Quality in Low- to Mid-Order Streams
Published in ACS ES&T water (11-03-2022)“…Longitudinal profiling of water quality via the deployment of sensors from watercraft has advanced the understanding of spatial patterns in large rivers and…”
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Whole-Stream Metabolism Responds to Spawning Pacific Salmon in Their Native and Introduced Ranges
Published in Ecosystems (New York) (01-03-2013)“…Pacific salmon (Oncorhynchus spp.) perform important ecological roles in stream ecosystems by provisioning nutrients as resource subsidies and modifying their…”
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Biogeochemical transformation of a nutrient subsidy: salmon, streams, and nitrification
Published in Biogeochemistry (01-05-2013)“…Migratory animals can alter ecosystem function via the provision of nutrient subsidies. These subsidies are heterogeneous in space and time, which may create…”
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Environmental variability and the ecological effects of spawning Pacific salmon on stream biofilm
Published in Freshwater biology (01-01-2012)“…Summary 1. Variation in resource subsidies can create or reinforce heterogeneity in recipient ecosystems. Related activities of organisms delivering resource…”
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Understanding the Relative Roles of Salmon Spawner Enrichment and Disturbance: A High-Frequency, Multi-Habitat Field and Modeling Approach
Published in Frontiers in ecology and evolution (07-02-2020)“…Organisms exert multiple, and often contrasting, influences on ecosystems. During their spawning runs, Pacific salmon (Oncorhynchus spp.) deliver nutrients to…”
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Separating physical disturbance and nutrient enrichment caused by Pacific salmon in stream ecosystems
Published in Freshwater biology (01-09-2009)“…1. Pacific salmon (Oncorhynchus spp.) deliver marine-derived nutrients to the streams in which they spawn and die, and these resource subsidies can increase…”
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Nonnative Pacific salmon alter hot spots of sediment nitrification in Great Lakes tributaries
Published in Journal of geophysical research. Biogeosciences (01-06-2013)“…Biogeochemical transformations may represent an important pathway influencing the fate of nutrient subsidies in stream ecosystems. Pacific salmon (Oncorhynchus…”
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14
Stream restoration and ecosystem functioning in lowland streams
Published in Ecological engineering (01-11-2022)Get full text
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15
Watershed inputs of suspended sediment drive patterns of total phosphorus in Chequamegon Bay, Lake Superior
Published in Journal of Great Lakes research (01-09-2024)Get full text
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Responses in stream ecosystem function to Salmon subsidies
Published 01-01-2012“…Pacific salmon serve dual ecological roles in their natal freshwater ecosystems, providing both an enrichment via the contribution of salmon-derived nutrient…”
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Dissertation -
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Property Insurance for the Ghetto: A Solution and a Cure
Published in The Urban lawyer (01-04-1969)Get full text
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State Subsidies For Public Transit: An Overview of Current Legislation
Published in The Urban lawyer (01-01-1972)Get full text
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Responses in stream ecosystem function to Salmon subsidies
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Dissertation -
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MODEL REGULATIONS FOR THE CONTROL OF LAND SUBDIVISION
Published in Missouri law review (01-01-1971)Get full text
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