Habitat affiliation of non-native plant species across their introduced ranges on Caribbean islands

Biological Invasions, Journal Year: 2024, Volume and Issue: 26(7), P. 2237 - 2249

Published: April 12, 2024

Language: Английский

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Non-native species drive the global loss of freshwater fish beta-diversity

NeoBiota, Journal Year: 2025, Volume and Issue: 97, P. 257 - 277

Published: Feb. 24, 2025

Freshwater ecosystems are facing mounting challenges. The widespread introduction of non-native species, for example, has resulted in the loss native species and substantial reconfiguration diversity patterns across regions. Documenting such impacts remains critical informing national-level biosecurity policies. Here, we explore changes biogeographic freshwater fish response to spread teasing apart geographic (watersheds) taxonomic (species) drivers at global scale. We leveraged databases occurrence estimate unique contributions local watersheds (native origin) beta-diversity domains. Beta-diversity metrics a domain scale can be interpreted as their importance uniqueness composition. report significant with largest Ethiopian, Nearctic Palearctic domains, even though non-natives decreased contribution all particularly known impacts. Watersheds identified most important promoting were not evenly distributed influenced by geographical isolation compositions composed many endemic threatened species. Highest values enhancing mainly observed although mean higher non-threatened Species from had wide ecological tolerances, were, general, natives, endemics and/or IUCN threat status. Our findings underscore consequences shaping fishes Anthropocene.

Language: Английский

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Interactive effects of invasiveness and community invasibility of grasses on US Pacific Northwest dunes

Biological Invasions, Journal Year: 2025, Volume and Issue: 27(3)

Published: March 1, 2025

Language: Английский

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Testing Darwin´s conundrum in a threatened biome: invasive and non-invasive exotic species have the same phylogenetic field

Research Square (Research Square), Journal Year: 2025, Volume and Issue: unknown

Published: April 21, 2025

Exotic and invasive species have been the subject of several studies in last few decades, due to their negative impact on native ecosystems. Despite those efforts, we are yet definitively solve question what makes an exotic successful a new environment. Darwin’s conundrum represents that quest, with two contrasting hypotheses regarding establishment success. We tested threatened biome: Mexican cloud forest (MCF). To do that, estimated phylogenetic field non-invasive angiosperm species, which allows us see if they co-occur more closely related or distant them. also assessed is different growth forms family representation MCF flora. found there no difference between angiosperms’ fields, but tendency for all assemblages suggesting importance environmental filtering support pre-adaptation hypothesis. Additionally, did not find conclusive evidence had fields. Finally, from families tend clustered assemblages, showing effect

Language: Английский

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Climate-driven distribution shifts of invasive earthworm species in a river basin affected by mining tailings

Research Square (Research Square), Journal Year: 2025, Volume and Issue: unknown

Published: April 22, 2025

Changes in temperature and precipitation patterns, along with extreme weather events, have altered natural habitats, contributing to species extinctions ecosystem fragmentation worldwide. Climate change can exacerbate disturbances trigger biological invasions that threaten native species. Here, we used ecological niche models predict the future distribution of five invasive earthworm (Amynthas corticis, Amynthas gracilis, Dichogaster bolaui, Polypheretima elongata, Pontoscolex corethrurus) within Doce River Basin (DRB), Brazil. We also assessed impact Fundão dam collapse on suitability changes using a vegetation index as proxy for forest cover. found that, despite being invasive, most are expected experience contractions suitable climate areas, losses reaching up 66% P. elongata. Only D. bolaui is predicted retain areas across entire study area all scenarios. The results indicated exacerbated reductions forested regions, post-collapse approximately 33% smaller than pre-collapse conditions. Nevertheless, southeastern portion DRB projected conditions species, indicating high potential this region. These findings highlight need targeted management strategies prevent dominance restore buffer against impacts control earthworms. Ecological restoration efforts, alongside integration environmental monitoring modeling, crucial mitigating biodiversity loss enhancing resilience invasion by alien earthworms face change.

Language: Английский

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Nonlinear Abundance–Area Relationship Underlying Processes of the American Bullfrog Invasion in the Zhoushan Archipelago, China

Integrative Zoology, Journal Year: 2025, Volume and Issue: unknown

Published: April 25, 2025

ABSTRACT The small‐island effect (SIE) has been used to quantify the increase of established non‐native species richness with island area but not yet applied explore dynamics abundance, which is important develop timely mitigation strategies on populations. Based field surveys populations American bullfrog ( Lithobates catesbeianus = Rana catesbeiana ) across 92 permanent water bodies 31 islands in Zhoushan Archipelago, China, we explored abundance–area relationship (AAR) invasive bullfrogs at and habitat (i.e., still waters) scales, respectively. We did detect non‐linear abundance found a piecewise trend invaded waters. Overall, were more abundant larger islands, less isolated waters lower densities native anurans. Our findings indicate that may have reached threshold rapid population Archipelago highlight importance continued close monitoring prevent future outbreaks.

Language: Английский

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Adaptive rock-paper-scissors game enhances eco-evolutionary performance at cost of dynamic stability

Applied Mathematics and Computation, Journal Year: 2024, Volume and Issue: 468, P. 128535 - 128535

Published: Jan. 9, 2024

The rock-paper-scissors (RPS) game is a classic model for exploring the performance of how multiple strategies interact and evolve over time. RPS assumes fixed benefit cost each strategy against another one when two players meet, while its evolutionary considers frequency dynamics three with each's fitness influenced by net payoff. This may not reflect complexity real-world scenarios as can co-adapt other. We introduce an adaptive that captures densities trait-mediated payoffs, coevolving traits via incremental mutations leading to adaptively evolving payoffs. Results show approaches steady state density, if any, faster than game. stable coexistence all in be easily destabilized Strategies are allowed change their also performed better achieved greater those exhibit complex diverse attractors trait space, sensitive both initial conditions parameters, but exhibiting positive payoffs benefits costs. These findings highlight games enhance sacrificing eco-evolutionary dynamic stability.

Language: Английский

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An arrow in the quiver: evaluating the performance of Hyptis suaveolens (L.) Poit. in different light levels

Ecological Processes, Journal Year: 2024, Volume and Issue: 13(1)

Published: April 10, 2024

Abstract Background Hyptis suaveolens (L.) Poit., native to the American tropics, is a pantropical annual plant and major invasive species throughout India. It was anticipated that availability of sunlight, coupled with its superior reproductive potential, persistent propagule bank, dispersal ability, could lead an increase in growth spread this invader, thus potentially impeding herbaceous diversity non-native areas. Clarifying ecological fitness competitive performance will be useful manage H. natural ecosystems are facing wide range anthropogenic pressures. Methods The present study three-tier experiment. In first tier, field conducted assess patterns abundance response light (sun, 842–1072 µmol m –2 s −1 shade 253–341 – 2 ) tropical dry deciduous Vindhyan highlands, Furthermore, impact on resident also studied. second randomized common garden experiment understand trait sun (940 (300 conditions. third chamber high-light low-light treatments done learn how partitions biomass between aboveground belowground parts. Results indicated sunlit areas had higher lower than shaded showed sun-dwelling individuals performed better germinative, vegetative, eco-physiological, traits shade-dwelling individuals. exhibited plants grown environment greater seed germination, seedling recruitment, those environment, whereas root mass ratio These results suggest mask understory vegetation owing relative rate, photosynthetic performance, resource acquisition-allocation, output Conclusions concludes significantly controls population dynamics forests. areas, populations dominate forest suboptimal tolerance. maintains soil bank along ‘Oskar individuals’ become active availability. modus operandi ‘sit wait’ strategy. current provides insights prioritizing for management reduce risk biological invasions regions.

Language: Английский

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An integrative framework to assess the spatio-temporal impact of plant invasion on ecosystem functioning

NeoBiota, Journal Year: 2024, Volume and Issue: 94, P. 225 - 242

Published: Aug. 7, 2024

Invasive species can alter the structure and functioning of invaded ecosystem, but predictions impact invasive on ecosystem are weak. Invasion is determined by interplay traits, recipient community, environmental context. However, efficient approaches to assess spatial dimension functional changes in heterogeneous environments altered plant-plant interactions lacking. Based recent technological progress, we posit a way forward i) quantify fine-scale heterogeneity context, ii) map function system, iii) trace induced invader with tracers, iv) integrate different spatio-temporal information from scales using (artificial intelligence-based) modelling better predict invasion impacts. An animated 3-D model visualisation demonstrates how maps tracers reveal dynamics Merging fine- coarse-scale spatially explicit remotely sensed metrics will open new avenues for detecting impacts functioning.

Language: Английский

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Germination patterns and seedling growth of congeneric native and invasive Mimosa species: Implications for risk assessment

Ecology and Evolution, Journal Year: 2024, Volume and Issue: 14(4)

Published: April 1, 2024

Abstract Comparisons of plant traits between native and invasive congeners are useful approaches for identifying characteristics that promote invasiveness. We compared germination patterns seedling growth locally sympatric populations Mimosa himalayana two varieties M. diplotricha (var. var. inermis ) growing in southeastern Nepal. Seeds were germinated under a 12‐h photoperiod or complete dark, low (25/15°C day/night) high (30/20°C) temperatures, different water stress levels (0, −0.1, −0.25, −0.5, −0.75 −1.0 MPa), soil depths 2, 4 cm). Plant height, biomass allocations, relative rate (RGR) seedlings measured. Invasive had higher percentage, rate, shorter time with the species. Germination both declined as increased, but decline was more pronounced Seedling emergence increasing depth all taxa. The species taller leaf number allocated greater proportion to shoot, whereas congener root. RGR nearly twice it congener. height leaves always than species, native–invasive differences increased over time. Better performance congeneric one suggests seed can be prediction species' invasiveness their introduced range during risk assessment process.

Language: Английский

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