Seasonal dynamics of zooplankton in Columbia–Snake River reservoirs, with special emphasis on the invasive copepod Pseudodiaptomus forbesi

Emerson, Joshua E.; Bollens, Stephen M.; Counihan, Timothy D.

doi:10.3391/ai.2015.10.1.03

Cited by 27 publications

(32 citation statements)

References 76 publications

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“…Its density varied within 22.6-42. 4 and biomass -0.09-0.30 g/m 3 . Among quantitative indicators the species of rotator complex and larvae of copepods crustaceans mainly nauplia stages of development dominated (Table 5).…”

Section: Results and Their Discussionmentioning

confidence: 99%

“…In quantitative terms, spring littoral zooplankton noon time was characterized by very low or low development: its density varied within 22.6-42.4 thousand ind./m 3 , and biomass -0.09-0,30 g/m 3 . Summer day littoral zooplankton development was below average, average, above average and high.…”

Section: Discussionmentioning

confidence: 99%

“…Its density varied within 220.6-964.6 thousand ind./m 3 , and biomass -1.93-0.48 g/m 3 . Among quantitative indicators larvae of copepods crustaceans dominated, mainly copepodite stages of development, and representatives of the rotator complex, dominated.…”

Section: примітки: чисельник -щільність знаменник -біомасаmentioning

confidence: 99%

“…Its density varied within 141.4-1910.4 thousand ind./m 3 , and biomass -1.61-14.99 g/m 3 . Among quantitative indicators in the upper and middle parts of the Bakshalynske reservoir the rotifers and copepods crustacean larvae, with a predominance copepodate stages of development, dominated.…”

Section: примітки: чисельник -щільність знаменник -біомасаmentioning

confidence: 99%

“…The current problem is to study the diversity of biota in aquatic ecosystems, and changes of the functioning of aquatic communities under the influence of anthropogenic factor [3]. People build reservoirs for their own needs on many rivers In Ukraine [10].…”

Section: Introductionmentioning

confidence: 99%

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Species diversity and seasonal dynamics of littoral zooplankton community structures of Bakshalynske reservoir

Trokhymets¹

2016

Biol. Stud.

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The results of current state of species diversity and seasonal dynamics of littoral zooplankton community structures in Bakshalynske reservoir are presented. New approaches are applied to establish the monitoring stations, and the state of m e thods of sampling are used in regard to the type and size of the studied artificial waterbodies. The modern trend of formation of the littoral zooplankton species diversity, all species registered for the first time in Bakshalynske reservoir. The analysis of faunal and ecological spectra littoral zooplankton, its biotopical and spatial distributions are presented. The most important grouping of species diversity in freshwater zooplankton was discovered. The results of analysis of seasonal dynamics of littoral zooplankton communities in the spring, summer and autumn in 2010 are shown. Seasonal changes in species diversity, faunal and ecological spectra biotopical and spatial distributions of quantitative indicators (density and biomass) littoral zooplankton were analyzed. The composition complex littoral zooplankton dominant in quantitative terms was also studied. It was found that its community included 11 species, 4 species of rotifers, 5 species of cladocera crustaceans and 2 types of copepods crustaceans.

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Section: Results and Their Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: примітки: чисельник -щільність знаменник -біомасаmentioning

confidence: 99%

Section: примітки: чисельник -щільність знаменник -біомасаmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Species diversity and seasonal dynamics of littoral zooplankton community structures of Bakshalynske reservoir

Trokhymets¹

2016

Biol. Stud.

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Zooplankton invasion on a grand scale: insights from a 20‐yr time series across 38 Northeast Pacific estuaries

et al. 2020

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We present the first comprehensive analysis of the Pacific Northwest estuaries (PNWE) zooplankton time series, which encompasses 38 estuaries distributed across more than 1000 km of the North American Pacific Coast. With observations spanning more than 20 yr, we here examine biogeographic trends among zooplankton communities, patterns of biological invasion across the region, and environmental correlates with dominant native and invasive taxa. Our results show that some estuaries across the region are invaded by multiple zooplankton species and that the geographic extent of invasion is far greater than previously reported for at least five species of copepods: Pseudodiaptomus inopinus, Pseudodiaptomus forbesi, Oithona davisae, Limnoithona sinensis, Sinocalanus doerrii, and the cladoceran Bosmina coregoni. Some of these species appear to be rapidly spreading across the region, while others have occupied a relatively static geographic range for decades. The copepod, P. inopinus, is by far the most abundant and geographically widespread of these invaders, comprising more than 90% of all zooplankton abundance at some sites. We propose that the geographic distribution of these invaders is strongly constrained by geomorphic characteristics that define the salinity and mixing regimes in these estuaries, reflecting the strong role that physical forces play in structuring estuarine zooplankton communities.

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Native and invasive zooplankton show differing responses to decadal‐scale increases in maximum temperatures in a large temperate river

Dexter

Bollens

Rollwagen‐Bollens

2020

Limnol Oceanogr Letters

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It has been widely proposed that increasing global temperatures will promote the geographic spread of invasive species, yet few studies have examined the effects of increasing temperatures on existing populations of invaders. Here, we examine long-term temperature trends across a 70-year series of daily records from the lower Columbia River (Washington and Oregon), and assess the correlation between interannual variability in water temperature and the abundance of several native and invasive zooplankton species using an overlapping 12-year series of monthly zooplankton samples. Our results show a clear pattern of increasing water temperatures, with negative correlations between elevated late summer temperatures and the abundance of all examined native species, thus suggesting that long-term warming may promote conditions more favorable for several presently-established invasive zooplankton species.

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Seasonal dynamics of zooplankton in Columbia–Snake River reservoirs, with special emphasis on the invasive copepod Pseudodiaptomus forbesi

Cited by 27 publications

References 76 publications

Species diversity and seasonal dynamics of littoral zooplankton community structures of Bakshalynske reservoir

Species diversity and seasonal dynamics of littoral zooplankton community structures of Bakshalynske reservoir

Zooplankton invasion on a grand scale: insights from a 20‐yr time series across 38 Northeast Pacific estuaries

Native and invasive zooplankton show differing responses to decadal‐scale increases in maximum temperatures in a large temperate river

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