Maternal effects of common carp on egg quantity and quality

Weber, Michael J.; Brown, Michael L.

doi:10.1080/02705060.2012.666890

Cited by 21 publications

(14 citation statements)

References 24 publications

(43 reference statements)

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“…2012) but not in other regions (Weber and Brown 2012;Bajer et al 2015). In some instances, broad-scale environmental conditions may synchronize reproductive output, but local processes may regulate survival to later life stages (Grenouillet et al 2001).…”

Section: Discussionmentioning

confidence: 99%

Quantifying the spatial scale of common carp (Cyprinus carpio) recruitment synchrony

Weber

Brown

Wahl

et al. 2017

Can. J. Fish. Aquat. Sci.

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Understanding spatial and temporal fluctuations in animal populations remains a central theme in ecology. Here, we investigated the extent of common carp (Cyprinus carpio) recruitment synchrony across North America in relation to a suite of climatic conditions. Common carp were collected from 21 populations up to a linear distance of 2300 km between the most southern and northern locations. Age-frequency histograms were used to estimate year-class strength, and correlation coefficients were used to evaluate synchrony among populations and environmental variables. We then evaluated relationships between common carp recruitment and winter growing degree-days (GDD), summer GDD, precipitation, wind events, and the El Niño Southern Oscillation Index (ENSO). Common carp recruitment was synchronous up to 756 km but asynchronous at larger scales. Winter and summer GDD, precipitation, and wind were also synchronous among locations up to 1640 km apart. Summer GDD appeared most influential to common carp recruitment but varied across latitudes, with negative effects identified at low latitudes and positive effects identified at higher latitudes. Our results provide new insights into the spatial scale of recruitment synchrony of a non-native freshwater fish and indicate that climatic conditions at local to regional scales likely influence recruitment patterns.

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Section: Discussionmentioning

confidence: 99%

Quantifying the spatial scale of common carp (Cyprinus carpio) recruitment synchrony

Weber

Brown

Wahl

et al. 2017

Can. J. Fish. Aquat. Sci.

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“…Each degree of warming has been suggested to decrease organism body size by 6-22% (Desai and Singh 2009). Reproductive output and offspring quality of many fishes, including common carp, are strongly tied to maternal body size (Weber and Brown 2012). Thus, reductions in body size as a result of climate warming may reduce reproductive potential of these populations.…”

Section: Discussionmentioning

confidence: 99%

Metabolic theory explains latitudinal variation in common carp populations and predicts responses to climate change

et al. 2015

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Abstract. Climate change is expected to alter temperature regimes experienced by fishes, which may also alter life history traits. However, predicting population-level responses to climate change has been difficult. Metabolic theory of ecology has been developed to explain how metabolism controls a variety of ecological processes, including life history attributes. Thus, this theory may be a useful tool for predicting fish population responses to climate change. To understand how climate change may alter freshwater fish life history, we measured population characteristics (e.g., recruitment, growth, body size, and mortality) of 21 North American common carp Cyprinus carpio populations spanning a latitudinal gradient of .2,700 km. We then evaluated (1) how metabolic rates vary with body size and temperature (i.e., metabolic theory of ecology) to interpret latitudinal patterns in life history traits and (2) how predicted increases in annual temperature as a result of climate change may alter metabolism and population characteristics. Common carp growth and mortality decreased whereas fish size and age increased with increasing latitude. Common carp growth rate was 22% faster but mortality was 31% higher for the most southern population compared to the most northern population. Incorporating latitudinal population patterns into metabolic theory of ecology models explained substantial variation in mortality and longevity among populations and suggested that metabolism will increase with temperature according to three global warming scenarios. The greatest metabolic increase occurred at the largest predicted increase in temperature and metabolism increased more for southern populations compared to northern populations. Combined, our findings suggest common carp and other fishes may experience increased growth and metabolic demands but populations may attain smaller body size due to higher mortality in response to climate change.

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“…In addition to abundance, stock-recruitment relationships can be affected by demographics (e.g., size, age, condition) of the adult population and be altered by differential reproductive investment (Rutherford 2002). Abundant Common Carp populations are regulated by density-dependent processes (Weber et al 2010), and reproductive investment (e.g., fecundity and egg volume) increases with maternal size (Weber and Brown 2012c). Thus, populations with low spawner abundance may have been characterized by larger fish that may have invested more into reproduction compared with more abundant populations that may have been composed of smaller individuals with lower fecundity, potentially contributing further to the observed stock-recruitment relationship.…”

Section: Recruitmentmentioning

confidence: 99%

Density‐Dependence and Environmental Conditions Regulate Recruitment and First‐Year Growth of Common Carp in Shallow Lakes

Weber

Brown

2013

Trans Am Fish Soc

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Recruitment dynamics of fishes can determine their abundance and subsequent effects of adult populations on ecosystem properties. Common Carp Cyprinus carpio is a widespread invasive species that can exert negative density‐dependent effects on aquatic food webs. However, little is known concerning processes that regulate their recruitment. We used summer‐through‐fall electrofishing catch rates of age‐0 Common Carp to investigate the importance of biotic (stock size, prey availability, egg and juvenile predation, intraspecific competition) and abiotic (water level fluctuation, temperature, wind events) factors on recruitment and growth in 13 lakes across eastern South Dakota from 2008 to 2010. Mean relative abundance of age‐0 Common Carp was highly variable spatially and temporally, ranging from 0 to 152.2 fish per hour of electrofishing. Ricker stock–recruitment models indicated that peak production of age‐0 Common Carp occurred when adult Common Carp relative abundance was low. Recruitment also increased with spring–summer temperatures, decreased with wind events, and was affected by annual water level fluctuations. Age‐0 Common Carp growth, estimated by mean size in August, was highly variable (mean TL = 42–165 mm) and influenced by the abundance of conspecifics and wind events, indicating that density‐dependent interactions may have occurred during early life stages. Combined, our results suggest that the early life history of Common Carp is regulated by density‐dependent processes and abiotic environmental conditions, which provide new insights into mechanisms regulating recruitment of this widespread invasive species.

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Maternal effects of common carp on egg quantity and quality

Cited by 21 publications

References 24 publications

Quantifying the spatial scale of common carp (Cyprinus carpio) recruitment synchrony

Quantifying the spatial scale of common carp (Cyprinus carpio) recruitment synchrony

Metabolic theory explains latitudinal variation in common carp populations and predicts responses to climate change

Density‐Dependence and Environmental Conditions Regulate Recruitment and First‐Year Growth of Common Carp in Shallow Lakes

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