Phylogenetic restriction of plant invasion in drought‐stressed environments: Implications for insect‐pollinated plant communities in water‐limited ecosystems

Simon, Andrew D. F.; Marx, Hannah E.; Starzomski, Brian M.

doi:10.1002/ece3.7776

Cited by 5 publications

(6 citation statements)

References 90 publications

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“…This result is consistent with past work showing that insects can increase their visitation to non-native flowers when they are relatively more available (e.g., Salisbury et al, 2015). Our results also support previous work done in this system (Simon et al, 2021) and in others (Gerlach & Rice, 2003;Pearson et al, 2012) showing that non-native plants flower later in the season than native plants. However, given that our work is based on a single year, future studies could determine whether the patterns we observed here are sensitive to interannual variability (e.g., weather, population dynamics).…”

Section: Discussionsupporting

confidence: 93%

“…Since late‐season plant community dynamics in Garry oak savannas and other Mediterranean‐like ecosystems are driven by drought (Klassen et al, 2015), flowering later than natives could be a result of increased drought tolerance in certain non‐native plant species. For instance, in this system, non‐native floral area was found to be negatively correlated with soil moisture (Simon et al, 2021). Since historical data on flowering times in Garry oak savannas are unavailable, it is unknown whether non‐native plants are occupying vacant temporal niches and/or if they have become more abundant than native plants that were historically present late in the season.…”

Section: Discussionmentioning

confidence: 94%

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Flowering phenology influences butterfly nectar foraging on non‐native plants in an oak savanna

Rivest

Wolkovich

Kharouba

2023

Ecology

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The negative impacts of non‐native species have been well documented, but some non‐natives can play a positive role in native ecosystems. One way that non‐native plants can positively interact with native butterflies is by provisioning nectar. Relatively little is known about the role of phenology in determining native butterfly visitation to non‐native plants for nectar, yet flowering time directly controls nectar availability. Here we investigate the phenological patterns of flowering by native and non‐native plants and nectar foraging by native butterflies in an oak savanna on Vancouver Island, British Columbia, Canada. We also test whether native butterflies select nectar sources in proportion to their availability. We found that non‐native plants were well integrated into butterfly nectar diets (83% of foraging observations) and that visitation to non‐natives increased later in the season when native plants were no longer flowering. We also found that butterflies selected non‐native flowers more often than expected based on their availability, suggesting that these plants represent a potentially valuable resource. Our study shows that non‐native species have the potential to drive key species interactions in seasonal ecosystems. Management regimes focused on eradicating non‐native species may need to reconsider their aims and evaluate resources that non‐natives provide.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 94%

Flowering phenology influences butterfly nectar foraging on non‐native plants in an oak savanna

Rivest

Wolkovich

Kharouba

2023

Ecology

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“…Ecological surveys may be fairly resource intensive as compared with other collection efforts, yet may add substantial value to ongoing biodiversity inventories. In turn, ecological research can benefit from the baselines established by historical biodiversity datasets ( Marliave et al 2011 , Marliave et al 2018a , Marliave et al 2018b , Simon et al 2021 ).…”

Section: Discussionmentioning

confidence: 99%

Toward an atlas of Salish Sea biodiversity: the flora and fauna of Galiano Island, British Columbia, Canada. Part I. Marine zoology

Simon¹,

Adamczyk²,

Basman³

et al. 2022

BDJ

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Based on records dating from 1859 to 2021, we provide an overview of the marine animal diversity reported for Galiano Island, British Columbia, Canada. More than 650 taxa are represented by 20,000 species occurrence records in this curated dataset, which includes dive records documented through the Pacific Marine Life Surveys, museum voucher specimens, ecological data and crowd-sourced observations from the BC Cetacean Sightings Network and iNaturalist. We describe Galiano Island's marine animal diversity in relation to the Salish Sea's overall biodiversity and quantify the proportional contributions of different types of sampling effort to our current local knowledge. Overviews are provided for each taxonomic group in a format intended to be accessible to amateur naturalists interested in furthering research into the region's marine biodiversity. In summary, we find that the Pacific Marine Life Surveys, a regional community science diving initiative, account for 60% of novel records reported for Galiano Island. Voucher specimens account for 19% and crowd-sourced biodiversity data 18% of novel records, respectively, with the remaining 3% of reports coming from other sources. These findings shed light on the complementarity of different types of sampling effort and demonstrate the potential for community science to contribute to the global biodiversity research community. We present a biodiversity informatics framework that is designed to enable these practices by supporting collaboration among researchers and communities in the collection, curation and dissemination of biodiversity data.

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“…We sampled bumble bees as part of an ecological study investigating the impact of seasonal drought on plant-pollinator communities (Simon et al 2021). Bumble bees were collected using blue vane traps (Stephen and Rao 2005) systematically distributed across the landscape in a 2 × 2 factorial study design contrasting dry versus wet, and disturbed versus undisturbed, site conditions.…”

Section: Bumble Bee Sampling and Analysismentioning

confidence: 99%

Evidence of Bumble Bee Extirpation and Colonization, Galiano Island, British Columbia, Canada

Simon,

Best,

Starzomski

2023

Northwest Science

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We present evidence for historical change in a bumble bee community on Galiano Island, British Columbia, Canada, including the probable extirpation of three bumble bee species-Bombus insularis Smith, B. occidentalis Greene, and B. suckleyi Greene-as well as the disappearance of two species represented by singletons in the historical record: B. fervidus Fabricius and B. flavidus Eversmann. Evidence is based on a comparison of historical and contemporary species occurrence data, including recent data from intensive sampling targeting bumble bees using blue vane traps. The decline of B. occidentalis in southern portions of its range has long been observed, yet to our knowledge this is the first established case of its probable extirpation within an extensively surveyed part of its range. Results indicate that an additional species, B. vosnesenskii Radoszkowski, is a recent arrival on Galiano Island and has been expanding its range concurrently with the decline of B. occidentalis. Elsewhere in the region B. vosnesenskii has become a dominant species, particularly in urban environments. However, our data show it to be the least abundant species on this largely forested island. We also report patterns in the occurrence of B. sitkensis Nylander and B. vosnesenskii, suggesting that niche segregation may confound the effect of competitive exclusion previously reported for these species. Potential factors contributing to this likely case of bumble bee extirpation and subsequent colonization are discussed in the context of Galiano Island's historical land use and ecology. In conclusion, we assess the potential for community science to aid in the detection of ecological change via comparison of historical baseline and contemporary crowd-sourced biodiversity data.

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Phylogenetic restriction of plant invasion in drought‐stressed environments: Implications for insect‐pollinated plant communities in water‐limited ecosystems

Abstract: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 5 publications

References 90 publications

Flowering phenology influences butterfly nectar foraging on non‐native plants in an oak savanna

Flowering phenology influences butterfly nectar foraging on non‐native plants in an oak savanna

Toward an atlas of Salish Sea biodiversity: the flora and fauna of Galiano Island, British Columbia, Canada. Part I. Marine zoology

Evidence of Bumble Bee Extirpation and Colonization, Galiano Island, British Columbia, Canada

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