Explicit integration of dispersal-related metrics improves predictions of SDM in predatory arthropods

Monsimet, Jérémy; Devineau, Olivier; Pétillon, Julien; Lafage, Denis

doi:10.1038/s41598-020-73262-2

Cited by 25 publications

(19 citation statements)

References 90 publications

(119 reference statements)

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“…The demonstrated nonlethal sampling technique is a critical step to study food webs or diet sources of rare or endangered spider species (Wilhelm & Nelson, 2012). Nonlethal sampling is especially well suited for threatened species such as Dolomedes plantarius (Monsimet et al, 2020), which has a body size and life history suitable for such a method. Appendage loss (autotomy) in spiders may influence mating, foraging, or locomotion (Fraser et al, 2020), and concerns about removing legs of live specimens are warranted.…”

Section: Discussionmentioning

confidence: 99%

Greater than the sum of your parts: Nonlethal stable isotope sampling methods in spiders

et al. 2022

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As top consumers and generalist predators, spiders are ideal organisms to study food webs and complex ecological functions using stable isotopes. Most researchers use whole-body samples to analyze stable isotope ratios in spiders.Spiders can regrow lost legs and produce multiple molts during a life cycle, and nonlethal sampling utilizing legs and molts may provide a useful alternative to whole-body sampling especially in larger bodied or threatened species.Furthermore, removing spider abdomens and thus leftover prey in the gut contents may provide a more accurate isotopic value. We tested the hypothesis that the δ 15 N, δ 13 C, or δ 2 H isotopic values in spider legs are reliable proxies for spider prosomas, abdomens, or whole bodies. We used laboratory-reared largebodied spiders (Pterinochilus murinus) and field-collected Lycosidae to compare lethal and nonlethal tissue isotopic values. We found that nonlethal samples of spider legs and molts are acceptable alternatives to lethal wholebody samples to determine δ 13 C and δ 15 N stable isotope signatures. Nonlethal samples are not suitable proxies for whole-body samples to determine δ 2 H isotopic values. Using nonlethal leg or molts samples in stable isotope investigations of spiders will allow researchers to promote conservation efforts and study threatened species while ensuring accurate and repeatable results.

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Section: Discussionmentioning

confidence: 99%

Greater than the sum of your parts: Nonlethal stable isotope sampling methods in spiders

et al. 2022

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“…While all these applications are still rare when it comes to terrestrial arthropods (see Maino et al, 2016), recently there have been studies that have addressed biotic interaction (Mammola & Isaia, 2017), dispersal limitations (Monsimet et al, 2020) and metapopulation dynamics (Giezendanner et al, 2020), thereby showing promising directions for future research. Studies including probability of survival to different stresses such as cold (Cuddington et al, 2018) or desiccation (Barton et al, 2019) were also performed for particularly well-known groups, including lepidopterans and insects considered as pests.…”

Section: Opp Ortunitie S For S Dm Re S E Arch On Terre S Trial Inverteb R Ate Smentioning

confidence: 99%

Challenges and opportunities of species distribution modelling of terrestrial arthropod predators

Mammola

Pétillon

Hacala

et al. 2021

Diversity and Distributions

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AimSpecies distribution models (SDMs) have emerged as essential tools in the equipment of many ecologists, useful to explore species distributions in space and time and answering an assortment of questions related to biogeography, climate change biology and conservation biology. Historically, most SDM research concentrated on well‐known organisms, especially vertebrates. In recent years, these tools are becoming increasingly important for predicting the distribution of understudied invertebrate taxa. Here, we reviewed the literature published on main terrestrial arthropod predators (ants, ground beetles and spiders) to explore some of the challenges and opportunities of species distribution modelling in mega‐diverse arthropod groups.LocationGlobal.MethodsSystematic mapping of the literature and bibliometric analysis.ResultsMost SDM studies of animals to date have focused either on broad samples of vertebrates or on arthropod species that are charismatic (e.g. butterflies) or economically important (e.g. vectors of disease, crop pests and pollinators). We show that the use of SDMs to map the geography of terrestrial arthropod predators is a nascent phenomenon, with a near‐exponential growth in the number of studies over the past ten years and still limited collaborative networks among researchers. There is a bias in studies towards charismatic species and geographical areas that hold lower levels of diversity but greater availability of data, such as Europe and North America.ConclusionsArthropods pose particular modelling challenges that add to the ones already present for vertebrates, but they should also offer opportunities for future SDM research as data and new methods are made available. To overcome data limitations, we illustrate the potential of modern data sources and new modelling approaches. We discuss areas of research where SDMs may be combined with dispersal models and increasingly available phylogenetic and functional data to understand evolutionary changes in ranges and range‐limiting traits over past and contemporary time‐scales.

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“…Chardon et al, 2020;Webb et al, 2020) than animals, because large spatial data sets needed for integrating physiological trait variation are available (Chown and Gaston 2016). While all these applications are still rare when it comes to terrestrial arthropods (see Maino et al 2016), recently there have been studies that have successfully addressed biotic interaction (Mammola and Isaia 2017), dispersal limitations (Monsimet et al 2020), and metapopulations (Giezendanner et al 2020), thereby showing promising directions for future research. Studies including probability of survival to different stresses such as cold (Cuddington et al 2018) or desiccation (Barton et al 2019) were also performed for particularly well-known groups like lepidopterans and pests.…”

Section: Opportunities For Sdm Research In Terrestrial Invertebratesmentioning

confidence: 99%

Challenges and opportunities of species distribution modelling of terrestrial arthropod predators

Mammola¹,

Pétillon²,

Hacala³

et al. 2020

Preprint

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Species distribution models (SDMs) are emerging as essential tools in the equipment of many ecologists; they are useful in exploring species distributions in space and time and in answering an assortment of questions related to historical biogeography, climate change biology and conservation biology. Given that arthropod distributions are strongly influenced by microclimatic conditions and microhabitat structure, they should be an ideal candidate group for SDM research, especially generalist predators because they are not directly dependent on vegetation or prey types. However, most SDM studies of animals to date have focused either on broad samples of vertebrates or on arthropod species that are charismatic (e.g. butterflies) or economically important (e.g. vectors of disease, crop pests and pollinators). By means of a systematic bibliometric approach, we targeted the literature published on key terrestrial arthropod predators (ants, ground beetles and spiders), chosen as a model to explore challenges and opportunities of species distribution modelling in mega-diverse arthropod groups. We show that the use of SDMs to map the geography of terrestrial arthropod predators has been a recent phenomenon, with a near-exponential growth in the number of studies over the past 10 years and still limited collaborative networks among researchers. There is a bias in studies towards charismatic species and geographical areas that hold lower levels of diversity but greater availability of data, such as Europe and North America. To overcome some of these data limitations, we illustrate the potential of modern data sources (citizen science programmes, online databases) and new modelling approaches (ensemble of small models, modelling above the species level). Finally, we discuss areas of research where SDMs may be combined with dispersal models and increasingly available phylogenetic and functional data to obtain mechanistic descriptions of species distributions and their spatio-temporal shifts within a global change perspective.

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Explicit integration of dispersal-related metrics improves predictions of SDM in predatory arthropods

Cited by 25 publications

References 90 publications

Greater than the sum of your parts: Nonlethal stable isotope sampling methods in spiders

Greater than the sum of your parts: Nonlethal stable isotope sampling methods in spiders

Challenges and opportunities of species distribution modelling of terrestrial arthropod predators

Challenges and opportunities of species distribution modelling of terrestrial arthropod predators

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