2007
DOI: 10.1016/j.ecss.2007.04.010
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Community structure of shoreline nekton in the estuarine portion of the Alafia River, Florida: Differences along a salinity gradient and inflow-related changes

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Cited by 33 publications
(17 citation statements)
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“…This sequence of change matches that recorded in Alligator Creek, a nearby tropical estuary (Robertson & Duke 1990a) and is in line with the strong assemblage differences between dry and prewet seasons from 9 other tropical estuaries in Sheaves' (2006) less temporally explicit study. Such findings are consistent with patterns attributed to seasonal recruitment of offshore spawning species into estuaries in the USA (Greenwood et al 2007, Rozas et al 2007) and Europe (Ramos et al 2006). In the present study, assemblage composition changed in a parallel way to absolute PoEs in the natural estuaries.…”
Section: Consistency Of Temporal Changesupporting
confidence: 79%
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“…This sequence of change matches that recorded in Alligator Creek, a nearby tropical estuary (Robertson & Duke 1990a) and is in line with the strong assemblage differences between dry and prewet seasons from 9 other tropical estuaries in Sheaves' (2006) less temporally explicit study. Such findings are consistent with patterns attributed to seasonal recruitment of offshore spawning species into estuaries in the USA (Greenwood et al 2007, Rozas et al 2007) and Europe (Ramos et al 2006). In the present study, assemblage composition changed in a parallel way to absolute PoEs in the natural estuaries.…”
Section: Consistency Of Temporal Changesupporting
confidence: 79%
“…They found catch per unit effort (CPUE) peaked in the pre-wet and wet seasons, driven by an influx of juveniles of offshore species that used the estuary as a nursery ground. Thus, at least in Alligator Creek, the annual recruitment of offshore juveniles was a key driver of assemblage change over time, a finding consistent with studies from the Gulf of Mexico (Deegan 1993, Rozas et al 2007), Florida (Greenwood et al 2007) and Portugal (Ramos et al 2006). A less temporally resolved (only dry versus wet season) study of 9 tropical Australian estuaries (Sheaves 2006) found dry versus wet season faunal differences consistent with the results of Robertson & Duke (1990a).…”
Section: Introductionsupporting
confidence: 73%
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“…A similar mechanism was not found for C. urophthalmus, however [94]. Nekton abundance often increases with increasing salinity because of the increasing contribution of marine-derived juveniles [43,95] and this may provide a greater potential pool of prey resources for B. belizanus at higher salinity. The estuarine focus of the sampling in the present study precludes any firm conclusions about the distribution or abundance of B. belizanus in the permanent, non-tidal freshwater reaches upstream of the study area; expansion of sampling in this habitat using similar seining methods would clarify the significance of the present study's findings with respect to salinity.…”
Section: Habitat Predictabilitymentioning
confidence: 88%
“…Secchi depth as a measure of water clarity was also measured, but is not included in analyses because sampling sites were sufficiently shallow that the Secchi disk was almost always visible on the substrate. Further details of the sampling procedures can be found elsewhere [24,43].…”
Section: Study Area and Sampling Techniquesmentioning
confidence: 99%