An ecological and evolutionary perspective on species coexistence under global change

Siepielski, Adam M.; Hasik, Adam Z.; Ousterhout, Brittany H.

doi:10.1016/j.cois.2018.06.007

Cited by 14 publications

(9 citation statements)

References 58 publications

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“…However, to date, most experimental work within a formal MCT framework has been conducted on plant or microbial systems (Bartomeus & Godoy, 2018; Grainger et al., 2019), including investigation of the effects of seed predation (Nottebrock et al., 2017; Petry et al., 2018) and seed pathogens (Mordecai, 2013). Although ecologists have been competing insect species (especially Drosophila ) against each other for decades (Davis et al., 1998; Gilpin et al., 1986; Pearl, 1932; Worthen, 1989), very few studies have explicitly tested for mutual invasibility in insect systems (Siepielski et al., 2018), rather than particular conditions necessary for coexistence (Godwin et al., 2020; Spaak & de Laender, 2020).…”

Section: Introductionmentioning

confidence: 99%

Natural enemies have inconsistent impacts on the coexistence of competing species

Terry

Chen

Lewis

2021

Journal of Animal Ecology

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Section: Introductionmentioning

confidence: 99%

Natural enemies have inconsistent impacts on the coexistence of competing species

Terry

Chen

Lewis

2021

Journal of Animal Ecology

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“…By contrast, since parasitoids kill their insect hosts as they develop in or on them, each attack is directly interpretable in terms of host fitness (Hassell 2000). Although ecologists have been competing insect species (especially Drosophila) against each other for decades (Pearl 1932;Ayala 1969;Gilpin et al 1986;Worthen 1989;Davis et al 1998), very few studies have explicitly tested for mutual-invasibility in insect systems (Siepielski et al 2018). In particular, few studies have directly assessed coexistence per se, rather than particular conditions necessary for coexistence (Godwin et al 2020;Spaak & de Laender 2020).…”

Section: Introductionmentioning

confidence: 99%

Natural enemies have inconsistent impacts on the coexistence of competing species

Terry

Chen

Lewis

2020

Preprint

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The role of natural enemies in promoting coexistence of competing species has generated substantial debate. Modern coexistence theory provides a detailed framework to investigate this topic, but there have been remarkably few empirical applications to non-plant systems. Trade-offs between defence against natural enemies and inherent fecundity provide a potential mechanism promoting coexistence between competing species. To test this, we parameterised models of competition between six Drosophila species in experimental mesocosms, with and without a generalist pupal parasitoid. We found no evidence of a general fecundity-susceptibility trade off, and idiosyncratic impacts of parasitism on pairwise coexistence. Methodologically, our novel Bayesian approach highlights issues with the separability of model parameters within modern coexistence theory and shows how using the full posterior parameter distribution improves inferences. Our results emphasise the importance of contextualising specific trade-offs and the value of modern coexistence theory in multi-trophic contexts.

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“…Abundance is central in manifestations of evolutionary ecology such as behavioral diversity (Cordero-Rivera 2017) and species coexistence (Siepielski et al 2018), and to applied areas such as bioindication of stressors (e.g. pollution, riparian deforestation; Silva et al 2010, Córdoba-Aguilar and Rocha-Ortega 2019) and provisioning of ecological and cultural services (Dee et al 2019).…”

Section: Why Abundance Mattersmentioning

confidence: 99%

Towards Global Volunteer Monitoring of Odonate Abundance

et al. 2020

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Insects are reportedly experiencing widespread declines, but we generally have sparse data on their abundance. Correcting this shortfall will take more effort than professional entomologists alone can manage. Volunteer nature enthusiasts can greatly help to monitor the abundance of dragonflies and damselflies (Odonata), iconic freshwater sentinels and one of the few nonpollinator insect groups appreciated by the public and amenable to citizen science. Although counting individual odonates is common in some locations, current data will not enable a global perspective on odonate abundance patterns and trends. Borrowing insight from butterfly monitoring efforts, we outline basic plans for a global volunteer network to count odonates, including organizational structure, advertising and recruiting, and data collection, submission, and synthesis. We hope our proposal serves as a catalyst for richer coordinated efforts to understand population trends of odonates and other insects in the Anthropocene.

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An ecological and evolutionary perspective on species coexistence under global change

Cited by 14 publications

References 58 publications

Natural enemies have inconsistent impacts on the coexistence of competing species

Natural enemies have inconsistent impacts on the coexistence of competing species

Natural enemies have inconsistent impacts on the coexistence of competing species

Towards Global Volunteer Monitoring of Odonate Abundance

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