Matches in SemOpenAlex for { <https://semopenalex.org/work/W4294839063> ?p ?o ?g. }
- W4294839063 endingPage "1687" @default.
- W4294839063 startingPage "1671" @default.
- W4294839063 abstract "Abstract River regulation can alter the magnitude, frequency, duration, and timing of flows, which influences the function of downstream ecosystems. Bird communities can be useful indicators of ecosystem function as individual species respond to varied changes in habitat structure and food availability. We examined the relative importance of different aspects of a regulated flow regime (average daily flow, the number of days flows fell below the 25th percentile, the timing and magnitude of maximum flows, and the inter‐annual duration of flows below the historical median) on predicted bird abundance and diversity using 11 years of data collected within a floodplain meadow system located downstream of Hetch Hetchy Reservoir in Yosemite National Park, California. We found that prolonged periods of low flows were negatively associated with the number of breeding birds detected, as well as the species richness of the breeding bird community. Species richness was also negatively correlated with delays in spring runoff delivery. We opportunistically looked at the same hydrologic variables in a parallel unregulated system, the Merced River through Yosemite Valley, and did not find the same strong relationship with bird community data. This suggests that the dam may be exacerbating the effects of drought." @default.
- W4294839063 created "2022-09-07" @default.
- W4294839063 creator A5016596882 @default.
- W4294839063 creator A5034341542 @default.
- W4294839063 creator A5044870929 @default.
- W4294839063 creator A5084641969 @default.
- W4294839063 date "2022-09-06" @default.
- W4294839063 modified "2023-09-26" @default.
- W4294839063 title "Low flows in a regulated river system are associated with reduced breeding bird abundance and diversity in Yosemite National Park, California" @default.
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