Predator–Prey Interactions in the Anthropocene: Reconciling Multiple Aspects of Novelty

Guiden, Peter W.; Bartel, Savannah L.; Byer, Nathan W.; Shipley, Amy A.; Orrock, John L.

doi:10.1016/j.tree.2019.02.017

Cited by 77 publications

(61 citation statements)

References 85 publications

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“…In recent years, new approaches have emerged regarding the problem of biological invasions. One is based on the concept of a ‘novel ecosystem’ (Hobbs, Higgs, & Hall, 2013; Guiden et al ., 2019). An ecosystem can be defined by its biotic composition and abiotic conditions.…”

Section: Alternatives To the Invasion Biology Approachmentioning

confidence: 99%

A review of the critics of invasion biology

Cassini

2020

Biological Reviews

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Herein, I review existing criticisms of the field of invasion biology. Firstly, I identifiy problems of conceptual weaknesses, including disagreements regarding: (i) definitions of invasive, impact, and pristine conditions, and (ii) ecological assumptions such as species equilibrium, niche saturation, and climax communities. Secondly, I discuss methodological problems include the misuse of correlations, biases in impact reviews and risk assessment, and difficulties in predicting the effects of species introductions or eradications. Finally, I analyse the social conflict regarding invasive species management and differences in moral and philosophical foundations. I discuss the recent emergence of alternatives to traditional invasion biology approaches, including the concept of novel ecosystems, conciliation biology, and compassionate conservation. Understanding different value systems will be the first step to reconciling the different perspectives related to this controversial topic.

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Section: Alternatives To the Invasion Biology Approachmentioning

confidence: 99%

A review of the critics of invasion biology

Cassini

2020

Biological Reviews

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“…The concept of PFL requires an appreciation for the common sequence of attack-related events shared during both predator-prey and herbivore-plant interactions (pre-encounter spatiotemporal overlap, encounter, detection, attack, capture, consumption, post-interaction escape/recovery; Lima and Dill 1990;Karban and Baldwin 1997;Caro 2005;Guiden et al 2019;Fig. 2).…”

Section: Defensive Investment Across a Common Interaction Sequencementioning

confidence: 99%

Proportional fitness loss and the timing of defensive investment: a cohesive framework across animals and plants

et al. 2020

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The risk of consumption is a pervasive aspect of ecology and recent work has focused on synthesis of consumer-resource interactions (e.g., enemy-victim ecology). Despite this, theories pertaining to the timing and magnitude of defenses in animals and plants have largely developed independently. However, both animals and plants share the common dilemma of uncertainty of attack, can gather information from the environment to predict future attacks and alter their defensive investment accordingly. Here, we present a novel, unifying framework based on the way an organism's ability to defend itself during an attack can shape their pre-attack investment in defense. This framework provides a useful perspective on the nature of information use and variation in defensive investment across the sequence of attack-related events, both within and among species. It predicts that organisms with greater proportional fitness loss if attacked will gather and respond to risk information earlier in the attack sequence, while those that have lower proportional fitness loss may wait until attack is underway. This framework offers a common platform to compare and discuss consumer effects and provides novel insights into the way risk information can propagate through populations, communities, and ecosystems.

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“…Individual populations of species do not respond to environmental changes in isolation from the species with which they interact (Davis et al 1998, Gilman et al 2010, Urban et al 2016. Furthermore, interspecific interactions themselves respond to environmental change in diverse ways (Tylianakis et al 2008, Thierry et al 2019, Guiden et al 2019. To understand how species' distributions will respond to global change, it is therefore important to consider this wider community context.…”

Section: Introductionmentioning

confidence: 99%

Molecular analyses reveal consistent food web structure with elevation in rainforestDrosophila- parasitoid communities

Jeffs

Terry

Higgie

et al. 2020

Preprint

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The analysis of interaction networks across spatial environmental gradients is a powerful approach to investigate the responses of communities to global change. Using a combination of DNA metabarcoding and traditional molecular methods we built bipartite Drosophila-parasitoid food webs from six Australian rainforest sites across gradients spanning 850 m in elevation and 5° Celsius in mean temperature. Our cost-effective hierarchical approach to network reconstruction separated the determination of host frequencies from the detection and quantification of interactions. The food webs comprised 5-9 host and 5-11 parasitoid species at each site, and showed a lower incidence of parasitism at high elevation. Despite considerable turnover in the relative abundance of host Drosophila species, and contrary to some previous results, fundamental metrics of network structure including nestedness and specialisation did not change significantly with elevation. Advances in community ecology depend on data from a combination of methodological approaches. It is therefore especially valuable to develop model study systems for sets of closely-interacting species that are diverse enough to be representative, yet still amenable to field and laboratory experiments.

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Predator–Prey Interactions in the Anthropocene: Reconciling Multiple Aspects of Novelty

Cited by 77 publications

References 85 publications

A review of the critics of invasion biology

A review of the critics of invasion biology

Proportional fitness loss and the timing of defensive investment: a cohesive framework across animals and plants

Molecular analyses reveal consistent food web structure with elevation in rainforestDrosophila- parasitoid communities

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