The practical importance of the interactions between fish, zooplankton and macrophytes in shallow lake restoration

Perrow, Martin R.; Jowitt, Adrian J. D.; Stansfield, Julia; Phillips, Geoff

doi:10.1007/978-94-017-3282-6_19

Cited by 48 publications

(64 citation statements)

References 14 publications

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“…Consumption by age 0 yellow bass was 12 to 47% of annual zooplankton production, likely limiting zooplankton abundance. This is similar to other shallow lake systems where zooplanktivorous fish (e.g., age 0 yellow perch) suppress zooplankton, thereby limiting lake restoration success, (Perrow et al, 1995(Perrow et al, , 1996. In Clear Lake, zebra mussels may increase the likelihood of successful lake restoration by compensating for reduced zooplankton abundance due to age 0 yellow bass predation.…”

Section: Food Web and Lake Restorationsupporting

confidence: 67%

A food web modeling analysis of a Midwestern, USA eutrophic lake dominated by non-native Common Carp and Zebra Mussels

Colvin

Pierce

Stewart

2015

Ecological Modelling

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Food web modeling is recognized as fundamental to understanding the complexities of aquatic systems.Ecopath is the most common mass-balance model used to represent food webs and quantify trophic inter-actions among groups. We constructed annual Ecopath models for four consecutive years during the firsthalf-decade of a zebra mussel invasion in shallow, eutrophic Clear Lake, Iowa, USA, to evaluate changesin relative biomass and total system consumption among food web groups, evaluate food web impactsof nonnative common carp and zebra mussels on food web groups, and to interpret food web impactsin light of ongoing lake restoration. Total living biomass increased each year of the study; the majorityof the increase due to a doubling in planktonic blue green algae, but several other taxa also increasedincluding a more than twoorder of magnitude increase in zebra mussels. Common carp accounted for thelargest percentage of total fish biomass throughout the study even with on-going harvest. Chironomids,common carp, and zebra mussels were the top-three ranking consumer groups. Non-native commoncarp and zebra mussels accounted for an average of 42% of the total system consumption. Despite the rel-atively high biomass densities of common carp and zebra mussel, food web impacts was minimal due toexcessive benthic and primary production in this eutrophic system. Consumption occurring via benthicpathways dominated system consumption in Clear Lake throughout our study, supporting the argumentthat benthic food webs are significant in shallow, eutrophic lake ecosystems and must be considered ifecosystem-level understanding is to be obtained. Keywords: Ecopath Zebra mussels Dreissena polymorpha Common carp Cyprinus carpio Non-native Trophic interactions Lake restoration a b s t r a c t Food web modeling is recognized as fundamental to understanding the complexities of aquatic systems. Ecopath is the most common mass-balance model used to represent food webs and quantify trophic interactions among groups. We constructed annual Ecopath models for four consecutive years during the first half-decade of a zebra mussel invasion in shallow, eutrophic Clear Lake, Iowa, USA, to evaluate changes in relative biomass and total system consumption among food web groups, evaluate food web impacts of non-native common carp and zebra mussels on food web groups, and to interpret food web impacts in light of on-going lake restoration. Total living biomass increased each year of the study; the majority of the increase due to a doubling in planktonic blue green algae, but several other taxa also increased including a more than two-order of magnitude increase in zebra mussels. Common carp accounted for the largest percentage of total fish biomass throughout the study even with on-going harvest. Chironomids, common carp, and zebra mussels were the top-three ranking consumer groups. Non-native common carp and zebra mussels accounted for an average of 42% of the total system consumption. Despite the relatively high biomass densities of common carp...

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Section: Food Web and Lake Restorationsupporting

confidence: 67%

A food web modeling analysis of a Midwestern, USA eutrophic lake dominated by non-native Common Carp and Zebra Mussels

Colvin

Pierce

Stewart

2015

Ecological Modelling

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“…; and Simocephalus vetulus in (Hann and Zrum, 1997) also demonstrates the presence in all species, except for the latter, of several (one to three) short peaks of development in three summer months; in S. vetulus, the high number period continues from the beginning of June to mid July. Other researchers report on similar dynamic patterns (Perrow et al, 1999;Balayla and Moss, 2003). There are no published data indicating that, upon changes in water temperature, the water cooling periods particularly stimulate number growth in S. vetulus, as was found in this study.…”

Section: > Simocephalus Vetulussupporting

confidence: 66%

Effects of constant and stepwise changes in temperature on the species abundance dynamics of four cladocera species

Verbitsky

Verbitskaya

2011

Knowl. Managt. Aquatic Ecosyst.

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Key-words:temperature, ecological optimum, Cladocera, stepwise changes, prolonged effects, realized niche Laboratory experiments with natural zooplankton communities were carried out to study the effects of two contrasting temperature regimes: constant temperature (15, 20, and These results support the previously formulated hypothesis that, in determining the ecological temperature optimum of a species within a natural community, it is not enough to define its optimum from constant, cyclic or random temperature fluctuations, but also from unidirectional stepwise changes in temperature. These stepwise changes may also induce prolonged or delayed effects. RÉSUMÉEffets de changements graduels en température sur la dynamique de quatre espèces de cladocères Mots-clés :température, optimum écologique, Cladocère, changements graduels, effets prolongés, niche « réalisée » de D. brachyurum et Ch. sphaericus, tous les deux sténo-thermophiles, était stimulé seulement par une température élevée stable (25 • C). Ces résultats confirment l'hypothèse formulée auparavant que, dans la détermination de l'optimum thermique d'une espèce d'une communauté naturelle, il ne suffit pas de définir son optimum à partir de températures constantes, ou de fluctuations cycliques ou aléatoires, mais aussi par des changements de température graduels. Ces changements graduels peuvent également produire des effets prolongés ou retardés.

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“…It is necessary to consider important trophic and food web interactions, such as those between fish and prey (i.e. zooplankton) in shallow and wetland restoration (Perrow et al 1999). Studies have shown that many salt marsh organisms benefit from trophic subsidies of organic matter originating in adjacent upland and open water habitats (Weinstein et al 2005).…”

Section: Resale or Republication Not Permitted Without Written Consenmentioning

confidence: 99%

Diet and growth of non-native Mississippi silversides and yellowfin gobies in restored and natural wetlands in the San Francisco Estuary

Cohen¹,

Bollens²

2008

Mar. Ecol. Prog. Ser.

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We examined how wetland restoration status influenced habitat quality for fishes by comparing otolith-calculated growth rates and diets of 2 abundant non-native fish species, the locally transient planktivorous Mississippi silverside Menidia audens and the resident demersal-feeding yellowfin goby Acanthogobius flavimanus, in 2 wetlands undergoing restoration ('restoring' wetlands) and 1 natural wetland (Napa River, San Francisco Estuary, California, USA; 38°10' N; 122°18' W). Native species with similar trophic requirements were too few in abundance to serve as study organisms. Differences in fish diet and growth based on restoration status were expected for the more resident goby species, but not for the transient silversides. Fish were collected in June 2004 and 2005 from a 10 yr old restoring marsh, a 50 yr old restoring marsh and a natural marsh, using a modified fyke net. Diet of silversides was primarily composed of copepods, cumaceans, and flying insects, while yellowfin goby diets were composed of annelids, cumaceans, and amphipods. Prey species biomass in the stomachs of yellowfin gobies was significantly different between marshes, but these differences were not dependent on restoration status. No significant differences in Mississippi silverside growth rates were detected, and yellowfin goby growth rates varied somewhat between marshes and years, but were not significantly different between restored versus reference sites. Based on these findings, we suggest that adequate prey abundance and prey species composition is available for these fish species in both our restored and natural study sites. It also appears that some restoring breached wetlands can quickly (within 10 yr) provide equivalent habitat to natural areas, at least for generalist, non-native fishes; however, consideration of underlying mechanisms of restoration will be important in designing wetlands that specifically favor native fish populations. KEY WORDS: Acanthogobius flavimanus · Menidia audens · Wetland restoration · Non-native species · Fish ecology · Tidal marsh Resale or republication not permitted without written consent of the publisherMar Ecol Prog Ser 368: [241][242][243][244][245][246][247][248][249][250][251][252][253][254] 2008 cisions in highly altered ecosystems. Fish growth and condition are seldom criteria for evaluating restoration success despite the fact that the recovery of local fish populations is a common restoration target.Effective restoration efforts require an understanding of not only the abundance of fishes in the restored habitats, but also of the quality of the habitat and its relationship to the growth and health of the species. It is necessary to consider important trophic and food web interactions, such as those between fish and prey (i.e. zooplankton) in shallow and wetland restoration (Perrow et al. 1999). Studies have shown that many salt marsh organisms benefit from trophic subsidies of organic matter originating in adjacent upland and open water habitats (Weinstein et al. 2005). Thes...

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The practical importance of the interactions between fish, zooplankton and macrophytes in shallow lake restoration

Cited by 48 publications

References 14 publications

A food web modeling analysis of a Midwestern, USA eutrophic lake dominated by non-native Common Carp and Zebra Mussels

A food web modeling analysis of a Midwestern, USA eutrophic lake dominated by non-native Common Carp and Zebra Mussels

Effects of constant and stepwise changes in temperature on the species abundance dynamics of four cladocera species

Diet and growth of non-native Mississippi silversides and yellowfin gobies in restored and natural wetlands in the San Francisco Estuary

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