A new approach to historical reconstruction: Combining descriptive and experimental paleolimnology

Kerfoot, W. Charles; Robbins, John A.; Weider, Lawrence J.

doi:10.4319/lo.1999.44.5.1232

Cited by 153 publications

(128 citation statements)

References 40 publications

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“…Thus, our data support the assumption that the occurrence and successful sexual reproduction of Daphnia hybrids are associated with ecological parameters. Both resting egg banks show that an increase of D. galeata and a decrease of D. hyalina over time are linked to human-made changes in P-levels, supporting the hypothesis of an association between eutrophication and species composition (13,23,29).…”

Section: Discussionmentioning

confidence: 58%

The impact of human-made ecological changes on the genetic architecture of Daphnia species

Brede

Sandrock

Straile

et al. 2009

Proc. Natl. Acad. Sci. U.S.A.

118

178

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The overenrichment (eutrophication) of aquatic ecosystems with nutrients leading to algal blooms and anoxic conditions has been a persistent and widespread environmental problem. Although there are many studies on the ecological impact of elevated phosphorus (P) levels (e.g., decrease in biodiversity and water quality), little is known about the evolutionary consequences for animal species. We reconstructed the genetic architecture of a Daphnia species complex in 2 European lakes using diapausing eggs that were isolated from sediment layers covering the past 100 years. Changes in total P were clearly associated with a shift in species composition and the population structure of evolutionary lineages. Although environmental conditions were largely reestablished after peak eutrophication during the 1970s and 1980s, original species composition and the genetic architecture of species were not restored but evolved along new evolutionary trajectories. Our data demonstrate that anthropogenically induced temporal alterations of habitats are associated with long-lasting changes in communities and species via interspecific hybridization and introgression.biological archive ͉ eutrophication ͉ hybridization ͉ introgression ͉ invasiveness

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Section: Discussionmentioning

confidence: 58%

The impact of human-made ecological changes on the genetic architecture of Daphnia species

Brede

Sandrock

Straile

et al. 2009

Proc. Natl. Acad. Sci. U.S.A.

118

178

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“…animal hairs Hodgson et al 1998, phytoliths Carnelli et al 2004, fish scales Davidson et al 2003), well-known proxies are being used in new ways, using newly developed analytical techniques and improved chronologies to estimate amounts and rates of change through time, and using new approaches to detect morphological or genetic changes in response to environmental change (e.g. Weider et al 1997;Kerfoot et al 1999;Cattaneo et al 2004;Hairston et al 2005). …”

Section: Future Directionsmentioning

confidence: 99%

Multi-proxy studies in palaeolimnology

Birks

2006

Veget Hist Archaeobot

312

173

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Multi-proxy studies are becoming increasingly common in palaeolimnology. Eight basic requirements and challenges for a multi-proxy study are outlined in this essay -definition of research questions, leadership, site selection and coring, data storage, chronology, presentation of results, numerical tools and data interpretation. The nature of proxy data is discussed in terms of physical proxies and biotic proxies. Loss-on-ignition changes and the use of transfer functions are reviewed as examples of problems in the interpretation of data from multi-proxy studies. The importance of pollen analysis and plant macrofossil analysis in multi-proxy studies is emphasised as lake history cannot be interpreted without knowledge of catchment history. Future directions are outlined about how multi-proxy studies can contribute to understanding biotic responses to environmental change.

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“…With diapausing eggs, populations can survive adverse conditions and disperse both in space and time. A nice feature of these eggs is that they can be used to reconstruct evolutionary trajectories of natural populations through time via the 'resurrection' of genotypes that may be recovered from stratified lake sediments (Kerfoot et al, 1999;Decaestecker et al, 2007;Frisch et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Monogonont rotifers as model systems for the study of micro-evolutionary adaptation and its eco-evolutionary implications

Declerck

Papakostas

2016

Hydrobiologia

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A better understanding of the ability of organisms to adapt to local selection conditions is essential for a better insight in their ecological dynamics. The study of micro-evolutionary adaptation and its eco-evolutionary consequences is challenging for many reasons and the choice of a suitable model organism is particularly important. In this paper, we explain why monogonont rotifers, through their unique combination of traits, are ideal study organisms for this purpose. With a literature review, we demonstrate the capacity of monogonont populations to adapt to a variety of selection conditions (e.g., salinity, food shortage, elemental limitation, and disturbance regimes) within very short-time frames and highlight some potential eco-evolutionary implications. Although monogononts are increasingly used in ecoevolution-oriented studies, their potential is still underappreciated compared to other model organisms. No doubt the high prevalence of cryptic species complexes and the lack of genomic tools form important obstacles that may discourage researchers to work with this group. Here, we argue that none of these difficulties should prevent monogonont rotifers from becoming commonly used model organisms in micro-evolutionary studies and make suggestions for future research.

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A new approach to historical reconstruction: Combining descriptive and experimental paleolimnology

Abstract: Here we introduce a combined experimental and descriptive approach (termed resurrection ecology) to reconstructing historical perturbations, pointing out how direct tests with sediments and hatched resting eggs complement the traditional descriptive calculation of microfossil fluxes.

Cited by 153 publications

References 40 publications

The impact of human-made ecological changes on the genetic architecture of Daphnia species

The impact of human-made ecological changes on the genetic architecture of Daphnia species

Multi-proxy studies in palaeolimnology

Monogonont rotifers as model systems for the study of micro-evolutionary adaptation and its eco-evolutionary implications

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