Climate change winners and losers among North American bumblebees

Biology Letters, Год журнала: 2022, Номер 18(6)

Опубликована: Июнь 1, 2022

Mounting evidence suggests that climate change, agricultural intensification and disease are impacting bumblebee health contributing to species’ declines. Identifying how these factors impact insect communities at large spatial temporal scales is difficult, partly because species may respond in different ways. Further, the necessary data must span scales, which usually means they comprise aggregated, presence-only records collected using numerous methods (e.g. diversity surveys, educational collections, citizen-science projects, standardized ecological surveys). Here, we use occupancy models, explicitly correct for biases observation process, quantify effect of changes temperature, precipitation floral resources on site over past 12 decades North America. We find no genus-wide declines occupancy, but do strongly related only weakly or resources. also more likely be change ‘losers’ than ‘winners’ this primarily associated with changing temperature. Importantly, all trends were highly species-specific, highlighting genus community-wide measures not reflect diverse species-specific patterns critical guiding allocation conservation

Язык: Английский

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The future of tropical insect diversity: strategies to fill data and knowledge gaps

Current Opinion in Insect Science, Год журнала: 2023, Номер 58, С. 101063 - 101063

Опубликована: Май 27, 2023

Язык: Английский

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Heat and desiccation tolerances predict bee abundance under climate change

Nature, Год журнала: 2024, Номер 628(8007), С. 342 - 348

Опубликована: Март 27, 2024

Язык: Английский

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Bees display limited acclimation capacity for heat tolerance

Biology Open, Год журнала: 2024, Номер 13(3)

Опубликована: Март 1, 2024

ABSTRACT Bees are essential pollinators and understanding their ability to cope with extreme temperature changes is crucial for predicting resilience climate change, but studies limited. We measured the response of critical thermal maximum (CTMax) short-term acclimation in foragers six bee species from Greek island Lesvos, which differ body size, nesting habit, level sociality. calculated ratio as a metric assess capacity tested whether bees’ was influenced by size and/or CTMax. also assessed CTMax increases following acute heat exposure simulating wave. Average estimate varied among increased did not significantly shift treatment except sweat Lasioglossum malachurum. Acclimation averaged 9% it associated or Similarly, average increase exposure. These results indicate that bees might have limited enhance tolerance via prior exposure, rendering them physiologically sensitive rapid during weather events. findings reinforce idea insects, like other ectotherms, generally express weak plasticity CTMax, underscoring role behavioral thermoregulation avoidance temperatures. Conserving restoring native vegetation can provide temporary refuges

Язык: Английский

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Experimental heatwaves disrupt bumblebee foraging through direct heat effects and reduced nectar production

Functional Ecology, Год журнала: 2022, Номер 37(3), С. 591 - 601

Опубликована: Дек. 1, 2022

Abstract Heatwaves are an increasingly common extreme weather event across the globe and projected to surge in frequency severity coming decades. Plant‐pollinator mutualisms vulnerable due interacting effects of heat on insect pollinator foraging behaviour their forage plants. We designed experiment parse impact bumblebee mediated directly through air temperature indirectly changes plant rewards. Temperatures simulating a moderate heatwave negatively impacted bumblebees reducing proportion successful bouts, bout duration flower visitation indirect stress reduced nectar production that limited duration. Our experimental results provide mechanistic link between climate, plants pollinators suggest situ conditions from heatwaves could have profound negative consequences for colony persistence maintenance pollination services. Read free Plain Language Summary this article Journal blog.

Язык: Английский

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How will climatic warming affect insect pollinators?

Advances in insect physiology, Год журнала: 2023, Номер unknown, С. 1 - 115

Опубликована: Янв. 1, 2023

Язык: Английский

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Less overall, but more of the same: drivers of insect population trends lead to community homogenization

Biology Letters, Год журнала: 2023, Номер 19(3)

Опубликована: Март 1, 2023

Язык: Английский

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Combating Climate Change and Global Warming for a Sustainable Living in Harmony with Nature

Journal of Geographical Research, Год журнала: 2023, Номер 6(3), С. 1 - 17

Опубликована: Июнь 29, 2023

As humanity has been polluting the atmosphere with greenhouse gases, planet is getting warmed up which triggering frequency and intensity of extreme events like heat waves, dry conditions, wildfires, cyclones, tornadoes, lightning, massive flooding all over Earth. There considerable evidence that concentration especially CO2 steadily increased in as a result indiscriminate use fossil fuels around world particularly during last 70 years. The glaciers high mountain polar regions are diminishing fast, sea levels rising, food production being affected severely certain parts world. In fact, changing climate currently become one major threats to survival civilization. scientific communities warning emergency requesting decision makers promptly respond act sustain life on To deliver net zero emissions by year 2050, whole must phase out technologies such coal-powered thermal plants diesel/petrol/gasoline-powered vehicles release abundant amounts other gases into invest development clean energies hydel, wind, solar, space-solar, nuclear energies. This transition low carbon economy help these together hydrogen fuel, fuel cells, electric vehicles, plantations expected take our Earth safe zone coming 20-30

Язык: Английский

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Rising minimum temperatures contribute to 50 years of occupancy decline among cold‐adapted Arctic and boreal butterflies in North America

Global Change Biology, Год журнала: 2024, Номер 30(2)

Опубликована: Фев. 1, 2024

Abstract Global climate change has been identified as a potential driver of observed insect declines, yet in many regions, there are critical data gaps that make it difficult to assess how communities responding change. Poleward regions particular interest because warming is most rapid while biodiversity sparse. Building on recent advances occupancy modeling presence‐only data, we reconstructed 50 years (1970–2019) butterfly trends response rising minimum temperatures one the under‐sampled North America. Among 90 modeled species, found cold‐adapted species far more often decline compared with their warm‐adapted, southernly distributed counterparts. Furthermore, post hoc analysis using species' traits, find range‐wide average annual temperature only consistent predictor changes. Species warmer ranges were likely be increasing occupancy. This trend results majority butterflies probability over last years. Our provide first look at macroscale shifts high‐latitude These highlight leveraging wealth abundant source for inferring changes distributions.

Язык: Английский

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Impact of pesticide use on wild bee distributions across the United States

Nature Sustainability, Год журнала: 2024, Номер 7(10), С. 1324 - 1334

Опубликована: Авг. 27, 2024

The decline of many wild bee species has major consequences for pollination in natural and agro-ecosystems. One hypothesized cause the declines is pesticide use; neonicotinoids pyrethroids particular have been shown to pernicious effects laboratory field experiments, linked population a few focal species. We used aggregated museum records, ecological surveys community science data from across contiguous United States, including 178,589 unique observations 1,081 (33% with records States) six families, model occupancy 1995 2015 land use data. While there are numerous causes declines, we discovered that negative pesticides widespread; increase neonicotinoid pyrethroid driver changes hundreds In some groups, high contributes 43.3% decrease probability occurs at site. These results suggest mechanisms reduce (such as integrative pest management) can potentially facilitate conservation. Bees provide important ecosystem services agricultural landscapes, but extent which they affected by on continental scale yet be explored. This study evaluates impact populations States.

Язык: Английский

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