Invasion Science: A Horizon Scan of Emerging Challenges and Opportunities

Trends in Ecology & Evolution, Journal Year: 2017, Volume and Issue: 32(6), P. 464 - 474

Published: April 7, 2017

Language: Английский

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Using herbaria to study global environmental change

New Phytologist, Journal Year: 2018, Volume and Issue: 221(1), P. 110 - 122

Published: Aug. 30, 2018

During the last centuries, humans have transformed global ecosystems. With their temporal dimension, herbaria provide otherwise scarce long-term data crucial for tracking ecological and evolutionary changes over this period of intense change. The sheer size herbaria, together with increasing digitization possibility sequencing DNA from preserved plant material, makes them invaluable resources understanding species' responses to environmental Following chronology change, we highlight how can inform about effects on plants at least four main drivers change: pollution, habitat climate change invasive species. We summarize herbarium specimens so far been used in research, discuss future opportunities challenges posed by nature these data, advocate an intensified use 'windows into past' research beyond.

Language: Английский

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Global gene flow releases invasive plants from environmental constraints on genetic diversity

Proceedings of the National Academy of Sciences, Journal Year: 2020, Volume and Issue: 117(8), P. 4218 - 4227

Published: Feb. 7, 2020

When plants establish outside their native range, ability to adapt the new environment is influenced by both demography and dispersal. However, relative importance of these two factors poorly understood. To quantify influence dispersal on patterns genetic diversity underlying adaptation, we used data from a globally distributed demographic research network comprising 35 18 nonnative populations Plantago lanceolata . Species-specific simulation experiments showed that would dilute influences at local scales. Populations in European range had strong spatial structure associated with geographic distance precipitation seasonality. In contrast, weaker was not environmental gradients but higher within-population diversity. Our findings show caused repeated, long-distance, human-mediated introductions has allowed invasive plant overcome constraints diversity, even without changes. The impact may, therefore, increase repeated introductions, highlighting need constrain future species if they already exist an area.

Language: Английский

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Why Are Invasive Plants Successful?

Annual Review of Plant Biology, Journal Year: 2023, Volume and Issue: 74(1), P. 635 - 670

Published: Feb. 8, 2023

Plant invasions, a byproduct of globalization, are increasing worldwide. Because their ecological and economic impacts, considerable efforts have been made to understand predict the success non-native plants. Numerous frameworks, hypotheses, theories advanced conceptualize interactions multiple drivers context dependence invasion with aim achieving robust explanations predictive power. We review these from community-level perspective rather than biogeographical one, focusing on terrestrial systems, explore roles intrinsic plant properties in determining species invasiveness, as well effects biotic abiotic conditions mediating ecosystem invasibility (or resistance) evolutionary processes. also consider fundamental influences human-induced changes at scales ranging local global triggering, promoting, sustaining invasions discuss how could alter future trajectories.

Language: Английский

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A synthesis of biological invasion hypotheses associated with the introduction–naturalisation–invasion continuum

Oikos, Journal Year: 2023, Volume and Issue: 2023(5)

Published: Jan. 27, 2023

With the advent of Anthropocene, biological invasions have reached an unprecedented level, and number species introductions is still increasing in ever‐changing world. Despite major advances invasion science, significant debate lack clarity remain surrounding determinants success introduced species, magnitude dimensions their impact, mechanisms sustaining successful invasions. Empirical studies show divergent impacts alien populations on ecosystems contrasting effects biotic abiotic factors dynamics populations, which hinders creation a unified theory Compounding these issues plethora hypotheses that aim to explain success, can be unclear contradictory. We propose synthesis categorizes along timeline invasion. sorted timeline, considered population, community ecosystem levels. This temporal sorting concepts shows each relevant at specific stage Although empirical findings may appear contradictory, when mapped onto they combined complementary way. An overall scheme proposed summarise theoretical subjected For any given case study, this framework provides guide through maze theories should help choose appropriate according

Language: Английский

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Neutral and adaptive genetic diversity in plants: An overview

Frontiers in Ecology and Evolution, Journal Year: 2023, Volume and Issue: 11

Published: Feb. 16, 2023

Genetic diversity is a prerequisite for evolutionary change in all kinds of organisms. It generally acknowledged that populations lacking genetic variation are unable to evolve response new environmental conditions (e.g., climate change) and thus may face an increased risk extinction. Although the importance incorporating into design conservation measures now well understood, less attention has been paid distinction between neutral (NGV) adaptive (AGV) variation. In this review, we first focus on utility NGV by examining ways quantify it, reviewing applications infer ecological processes, exploring its designing plant species. Against background, then summarize identify estimate AGV discuss potential use conservation. After comparing considering their pros cons context, conclude there urgent need better understanding role adaptation. To date, however, only few studies non-model species aimed at deciphering genomic basis complex trait Therefore, researchers practitioners should keep utilizing develop relevant strategies rare endangered until more estimates available.

Language: Английский

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Dodging silver bullets: good CRISPR gene-drive design is critical for eradicating exotic vertebrates

Proceedings of the Royal Society B Biological Sciences, Journal Year: 2017, Volume and Issue: 284(1860), P. 20170799 - 20170799

Published: Aug. 9, 2017

Self-replicating gene drives that can spread deleterious alleles through animal populations have been promoted as a much needed but controversial 'silver bullet' for controlling invasive alien species. Homing-based comprise an endonuclease and guide RNA (gRNA) are replicated during meiosis via homologous recombination. However, their efficacy wild is threatened by inherent polymorphic resistance the creation of non-homologous end-joining (NHEJ)-mediated DNA repair. We used stochastic individual-based models to identify realistic gene-drive strategies capable eradicating vertebrate pest (mice, rats rabbits) on islands. One popular strategy, sex-reversing drive converts heterozygous females into sterile males, failed required ongoing deployment carriers achieve eradication. Under alternative strategies, multiplexed gRNAs could overcome were eradication success even when probability NHEJ was low. Strategies causing homozygotic embryonic non-viability or female sterility produced high probabilities robust NHEJ-mediated deletion sequence between recognition sites. The latter two also purged failed, therefore posing lower long-term risk should animals escape beyond target Multiplexing will be necessary if this technology useful insular extirpation attempts; however, precise knowledge homing rates design low-risk with success.

Language: Английский

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Rapid and repeated local adaptation to climate in an invasive plant

New Phytologist, Journal Year: 2018, Volume and Issue: 222(1), P. 614 - 627

Published: Oct. 27, 2018

Summary Biological invasions provide opportunities to study evolutionary processes occurring over contemporary timescales. To explore the speed and repeatability of adaptation, we examined divergence life‐history traits climate, using latitude as a proxy, in native North American introduced European Australian ranges annual plant Ambrosia artemisiifolia . We explored niche changes following introductions climate dynamic models. In common garden, trait by growing seeds collected across three with highly distinct demographic histories. Heterozygosity–fitness associations were used effect invasion history on potential success. accounted for nonadaptive population differentiation 11 598 single nucleotide polymorphisms. revealed centroid shift warmer, wetter climates ranges. identified repeated latitudinal traits, populations positioned at either end clines. Our data indicate rapid adaptation local despite recent bottleneck limiting genetic variation Australia. Centroid shifts suggest more productive environments, potentially contributing between

Language: Английский

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Deciphering the routes of invasion of Drosophila suzukii by means of ABC random forest

Molecular Biology and Evolution, Journal Year: 2017, Volume and Issue: unknown, P. msx050 - msx050

Published: Jan. 5, 2017

Deciphering invasion routes from molecular data is crucial to understanding biological invasions, including identifying bottlenecks in population size and admixture among distinct populations. Here, we unravel the of invasive pest Drosophila suzukii using a multi-locus microsatellite dataset (25 loci on 23 worldwide sampling locations). To do this, use approximate Bayesian computation (ABC), which has improved reconstruction routes, but can be computationally expensive. We our study illustrate new, more efficient, ABC method, random forest (ABC-RF) compare it standard method (ABC-LDA). find that Japan emerges as most probable source earliest recorded into Hawaii. Southeast China Hawaii together are sources populations western North America, then turn served for those eastern America. European genetically homogeneous than American populations, their northeast China, with evidence limited gene flow US well. All introduced passed through bottlenecks, analyses reveal five events. These findings inform hypotheses concerning how this species evolved between different independent Methodological comparisons indicate ABC-RF ABC-LDA show concordant results if based large number simulated datasets out-performs when comparable manageable datasets, especially analyzing complex introduction scenarios.

Language: Английский

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The rate and potential relevance of new mutations in a colonizing plant lineage

PLoS Genetics, Journal Year: 2018, Volume and Issue: 14(2), P. e1007155 - e1007155

Published: Feb. 12, 2018

By following the evolution of populations that are initially genetically homogeneous, much can be learned about core biological principles. For example, it allows for detailed studies rate emergence de novo mutations and their change in frequency due to drift selection. Unfortunately, multicellular organisms with generation times months or years, is difficult set up carry out such experiments over many generations. An alternative provided by "natural experiments" started from colonizations invasions new habitats selfing lineages. With limited missing gene flow other lineages, effects easily detected. North America has been colonized historic plant Arabidopsis thaliana, although multiple intercrossing lineages found today, individuals belong a single lineage, HPG1. To determine this lineage substitutions-the subset survived natural selection drift-, we have sequenced genomes plants collected between 1863 2006. We identified 73 modern 27 herbarium specimens belonged Using estimated substitution rate, infer last common HPG1 ancestor lived early 17th century, when was most likely introduced chance Europe. Mutations coding regions depleted compared those portions genome, consistent purifying Nevertheless, handful at high present-day populations. link these detectable phenotypic variance traits known ecological importance, life history growth, which could reflect adaptive value. Our work showcases how, applying genomics methods combination samples colonizing directly study potential evolutionary relevance.

Language: Английский

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