Influence of climate, weather and floral associations on pollinator community composition across an elevational gradient DOI Creative Commons
Joshua M. Coates, Maldwyn J. Evans,

Ben C. Scheele

et al.

Oikos, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 4, 2024

Insect pollinators, which are ectothermic, especially sensitive to abiotic conditions, often drive predictable patterns of pollinator species turnover along environmental gradients. However, activity is also reliant on suitable biotic such as the presence host plants. High‐elevation environments provide a useful setting examine relative contribution and factors in shaping interactions they characterised by strong gradients over short geographic distances. Here, we examined pollination interaction networks across an elevational gradient from 930–2000 m a.s.l. southern Australia, determine underlying their with flowers. Interaction frequency Diptera increased at high elevations, while Hymenoptera Coleoptera decreased. We evidence that this pattern partly driven floral associations, dominated Hymenoptera‐attracting plant families lower elevations (Proteaceae, Fabaceae) Diptera‐attracting family elevation (Asteraceae). Pollinator was influenced weather reduced for all three orders temperatures, active broadest range temperature, humidity wind conditions. suggest changes community composition both direct responses conditions well distribution associated flowering Despite these distinct shifts assemblage elevation, network structure stable gradient, moderate levels specialisation low connectance nestedness present gradient. By considering processes, our results insight predicting impacts upslope vegetation communities face climate change.

Language: Английский

Environmental DNA methods for biosecurity and invasion biology in terrestrial ecosystems: Progress, pitfalls, and prospects DOI
Karen L. Bell, Mariana Campos, Benjamin D. Hoffmann

et al.

The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 926, P. 171810 - 171810

Published: March 19, 2024

Language: Английский

Citations

10
Predicting plant–pollinator interactions: concepts, methods, and challenges DOI
Guadalupe Peralta, Paul J. CaraDonna, Demetra Rákosy

et al.

Trends in Ecology & Evolution, Journal Year: 2024, Volume and Issue: 39(5), P. 494 - 505

Published: Jan. 22, 2024

Language: Английский

Citations

7
The missing links: Bee and non‐bee alpine visitor observation networks differ to pollen transport networks DOI Creative Commons
Francisco Encinas‐Viso,

Emma Goodwin,

Manu E. Saunders

et al.

Ecological Entomology, Journal Year: 2024, Volume and Issue: 49(3), P. 377 - 385

Published: Jan. 28, 2024

Abstract A majority of the world's flowering plants benefit from insect pollination. Bees in particular are known to carry large amounts pollen, and pollen load transported is often highly conspecific. However, there limited knowledge about transfer by other non‐bee flower‐visiting taxa. We observed collected insects visiting flowers an Australian alpine plant community. identified body loads evaluate relative differences among taxa using visitation transport networks. sampled a diverse pollinator community 39 families that visited 31 species ( n = 488 individual insects). Pollen abundance richness on bodies varied significantly Diptera, Hymenoptera Lepidoptera both individuals across families. carried more overall than three orders surveyed, yet dipterans were most frequent flower visitors overall, with six dipteran frequently hymenopteran visitor Apis mellifera L.). Apidae was also only family this study consistently quantities pollen. At order level, Diptera second highest quantity but greater diversity orders. Importantly, networks revealed visits not vice versa. Given missing links observation networks, we advocate combining types provide accurate estimate full range plant–pollinator interactions occurring within at level. Understanding variation as result between visitors, important level generalisation/specialisation their partners.

Language: Английский

Citations

5
High species turnover and unique plant–pollinator interactions make a hyperdiverse mountain DOI Creative Commons
Konstantinos Minachilis, Aphrodite Kantsa, Jelle Devalez

et al.

Journal of Animal Ecology, Journal Year: 2023, Volume and Issue: 92(5), P. 1001 - 1015

Published: Feb. 8, 2023

Abstract We studied α‐ and β‐diversity of pollinators, flowering plants plant–pollinator interactions along the altitudinal gradient Mt. Olympus, a legendary mountain biodiversity hotspot in Central Greece. explored 10 study sites located on north‐eastern slope mountain, from 327 to 2596 m a.s.l. Insect surveys were conducted once month using hand netting (years 2013, 2014 2016), they combined with recordings plant diversity (species richness flower cover). then calculated interactions, their demographic response gradient. Alpha altitude dependent; α‐diversity all bees, non‐bumblebee bee flies butterflies showed linear declines altitude, whereas those hoverflies bumblebees unimodal patterns. Beta its turnover component hoverflies, bumblebees, increases, varied independently pairwise difference. The high dissimilarity uniqueness pollination networks, which is probably result endemism driven by species formation new between species. Contrasting monotonic decline remaining groups, patterns hoverfly bumblebee are effect higher tolerance these groups high‐altitude environmental conditions. Our findings highlight that mainstay hyperdiverse mountains, fact conveys important historical, ecological conservational implications.

Language: Английский

Citations

11
Semi-automated sequence curation for reliable reference datasets in ITS2 vascular plant DNA (meta-)barcoding DOI Creative Commons
Andreia Quaresma, Markus J. Ankenbrand, Carlos Ariel Yadró García

et al.

Scientific Data, Journal Year: 2024, Volume and Issue: 11(1)

Published: Jan. 25, 2024

Abstract One of the most critical steps for accurate taxonomic identification in DNA (meta)-barcoding is to have an reference sequence dataset marker choice. Therefore, developing such a has been long-term ambition, especially Viridiplantae kingdom. Typically, datasets are constructed with sequences downloaded from general public databases, which can carry and other relevant errors. Herein, we curated (i) global dataset, (ii) European crop (iii) 27 EU countries ITS2 barcoding vascular plants. To that end, first developed pipeline script entails automated curation stage comprising five filters, manual correction misclassified taxa, addition newly sequenced species. The allows easy updating datasets. With this approach, 13% sequences, corresponding 7% species originally imported GenBank, were discarded. Further, 259 manually added now comprises 307,977 111,382 plant

Language: Английский

Citations

4
Changes in a bumblebee alpine pollinator network over 40 years DOI Open Access

Troy Tetreault,

Ken Aho, Joshua B. Grinath

et al.

Ecological Entomology, Journal Year: 2025, Volume and Issue: unknown

Published: March 8, 2025

Abstract Plant–insect interactions within alpine ecosystems are particularly susceptible to anthropogenic impacts, including climate change. Thus, repeated measures of interaction networks, such as pollination critical for the ongoing management and conservation these ecosystems. We a study conducted 40 years prior on Beartooth Plateau, an environment in north central Rocky Mountains. Of primary concern were potential changes plant‐pollinator networks at area between 1980 1981 2021. found that, over time, (1) composition bumblebee ( Bombus ) species pollinator guilds complex, with apparent losses/additions abundance others; (2) overall capture rates pollinators plants decreased; (3) network analyses showed decreases nestedness, connectance, linkage density increases specialisation; (4) observed plant flowering phenology consistent those many other affected by global warming, strong trend advanced phenophase. Our provides baseline understanding decadal‐level during 20th 21st centuries allows new insights into how may respond

Language: Английский

Citations

0
Phylogenomics of endemic Australian Ulopinae (Hemiptera: Cicadomorpha: Cicadellidae) DOI Creative Commons
Olívia Evangelista, Nikolai J. Tatarnic, Keith M. Bayless

et al.

Invertebrate Systematics, Journal Year: 2024, Volume and Issue: 38(2)

Published: Feb. 13, 2024

Ulopinae is a distinctive subfamily of leafhoppers that widely distributed across the Afrotropical, Palearctic, Indomalayan and Australasian regions. The ulopine fauna Australia entirely endemic includes two tribes striking appearance, Ulopini Cephalelini. Knowledge these groups fragmentary in many instances, no information available beyond original descriptions. We assess monophyly, phylogenetic placement species-level diversity genus Austrolopa. Phylogenetic analyses based on sequence data from target nuclear loci (18S, 28S, H2A H3) mitochondrial genomes (15 genes) for 23 membracoid taxa yielded congruent topologies. Our results provide strong evidence monophyly clade consisting + However, non-monophyletic Cephalelini arises within polyphyletic Ulopini. Austrolopa was strongly recovered as monophyletic all analyses, result also supported by morphological features. currently six species, three which are described molecular data: botanica, sp. nov., rotunda, nov. sublima, A lectotype designation provided kingensis Evans, 1937, reval. findings illustrate Australian far more diverse than circumscribed several species yet to be recognised. ZooBank: urn:lsid:zoobank.org:pub:1480285B-8F61-4659-A929-2B1EF3168868

Language: Английский

Citations

2
Flower–bee versus pollen–bee metanetworks in fragmented landscapes DOI Creative Commons
Felipe Librán‐Embid, Ingo Graß, Carine Emer

et al.

Proceedings of the Royal Society B Biological Sciences, Journal Year: 2024, Volume and Issue: 291(2023)

Published: May 1, 2024

Understanding the organization of mutualistic networks at multiple spatial scales is key to ensure biological conservation and functionality in human-modified ecosystems. Yet, how changing habitat landscape features affect pollen-bee interaction still poorly understood. Here, we analysed bee-flower visitation bee-pollen-transport interactions respond fragmentation local network regional metanetwork scales, combining data from 29 fragments calcareous grasslands, an endangered biodiversity hotspot central Europe. We found that only 37% total unique pairwise species occurred both pollen-transport flower networks, whereas 28% 35% were exclusive respectively. At level, specialization was higher negatively related diversity land cover types types. pollen transport revealed proportion single-fragment increased with diversity. Our results show grasslands' plant-pollinator decreases diversity, but underestimated when based on information. Pollen data, more than visitation, multi-scale analyses metanetworks are fundamental for understanding human-dominated landscapes.

Language: Английский

Citations

2
Endangered Bogong moths (Agrotis infusa) forage from local flowers after annual mass migration to alpine sites DOI Creative Commons
Joshua M. Coates, Ben Keaney, Benjamin C. Scheele

et al.

Global Ecology and Conservation, Journal Year: 2023, Volume and Issue: 44, P. e02482 - e02482

Published: April 23, 2023

Migration plays an important role in the life cycle of many insect species, allowing them to escape unfavourable seasonal conditions. The Bogong moth (Agrotis infusa) is a keystone species that undertakes long-distance annual migration, with billions individuals aestivating summer Australian Alps. This has undergone drastic population declines past five years, steady long-term also recorded since 1980s, and recently been recognised as Endangered by IUCN. Despite moths sub-alpine alpine zones, their feeding habits during time mountains remain understudied, although earlier research suggested they do not feed aestivation. To examine whether visit flowers summer, we collected pollen from caught at high elevation site Australia Alps over 2021/22 period then identified counted using light microscopy. We show for first broad range plant activity characterise assemblage visited. Almost all 129 sampled carried large quantities, mean 521 grains per moth. Individual varied considerably load composition, suggesting generalist flower visitation. taxa present on indicates local sites, rather than lowland origins migrants. presence throughout continual activity. These results provide new insights into ecology suggest could play previously unrecognised pollination ecosystems.

Language: Английский

Citations

5
Plant community on a volcano mountaintop reveals unique high-altitude vegetation in southeastern Brazil DOI
Igor Musauer Kessous, Ruy José Válka Alves, Nílber Gonçalves da Silva

et al.

Journal of Mountain Science, Journal Year: 2024, Volume and Issue: 21(9), P. 3018 - 3030

Published: Sept. 1, 2024

Language: Английский

Citations

1