Plant-Pollinator Interactions over 120 Years: Loss of Species, Co-Occurrence, and Function

Burkle, Laura A.; Marlin, John C.; Knight, Tiffany M.

doi:10.1126/science.1232728

Cited by 905 publications

(898 citation statements)

References 37 publications

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“…Pollination from both honey bees and native bees is critical for tree fruit and berry crops grown in the Pacific Northwest (Sagili and Caron 2016;Rucker et al 2012). Although, some studies have shown temporal mismatch between some flowering plants and pollinators due to climate change (Burkle et al 2013;Robbirt et al 2014), there is a knowledge gap regarding such phenological mismatches between pollinator-dependent agricultural crops and bees, and their impact on pollination (Settele et al 2016). The potential for such phonological mismatch is greater for native bees such as bumble bees that hibernate during winter and whose emergence in spring is dependent on prevailing temperatures during the hibernation period (Pyke et al 2016).…”

Section: Fruit Crop Vulnerabilities and Expected Changes In The Northmentioning

confidence: 99%

Specialty fruit production in the Pacific Northwest: adaptation strategies for a changing climate

et al. 2017

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Specialty fruit crops represent a substantial portion of the value of agricultural production in the Pacific Northwest. Climate change may threaten water sources, lengthen the dry season, raise temperatures during both the winter chilling period and the growing season, and facilitate the spread of fungal diseases and insects. Such changes have the potential to substantially reduce net returns due to increased input costs and altered yields and product quality. Many management strategies that are already being used to prolong growing seasons in marginal production areas and to improve production and quality in established production regions may also be useful as adaptation strategies under a changing climate. These strategies mostly involve moderating temperatures and controlling or compensating for mismatches between phenology and seasonal weather conditions.

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Section: Fruit Crop Vulnerabilities and Expected Changes In The Northmentioning

confidence: 99%

Specialty fruit production in the Pacific Northwest: adaptation strategies for a changing climate

et al. 2017

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“…Other studies using museum collection data have implicated very recent climate change as a possible factor underlying changes in bee abundances (e.g. Cameron et al 2011;Burkle et al 2013), but there are surprisingly few studies that have attempted to infer changes in bee abundance beyond the last 200 years (but see Wilson et al 2014). In the face of likely future climate change, it is important to understand how bees have responded to past climates so that we may better predict future trends.…”

Section: Introductionmentioning

confidence: 99%

Biogeography and demography of an Australian native bee Ceratina australensis (Hymenoptera, Apidae) since the last glacial maximum

Dew¹,

Rehan²,

Schwarz³

2016

JHR

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The small carpenter bees, genus Ceratina, are highly diverse, globally distributed, and comprise the sole genus in the tribe Ceratinini. Despite the diversity of the subgenus Neoceratina in the Oriental and IndoMalayan region, Ceratina (Neoceratina) australensis is the only ceratinine species in Australia. We examine the biogeography and demography of C. australensis using haplotype variation at 677 bp of the barcoding region of COI for specimens sampled from four populations within Australia, across Queensland, New South Wales, Victoria and South Australia. There is geographic population structure in haplotypes, suggesting an origin in the northeastern populations, spreading to southern Australia. Bayesian Skyline Plot analyses indicate that population size began to increase approximately 18,000 years ago, roughly corresponding to the end of the last glacial maximum. Population expansion then began to plateau approximately 6,000 years ago, which may correspond to a slowing or plateauing in global temperatures for the current interglacial period. The distribution of C. australensis covers a surprisingly wide range of habitats, ranging from wet subtropical forests though semi-arid scrub to southern temperate coastal dunes. The ability of small carpenter bees to occupy diverse habitats in ever changing climates makes them a key species for understanding native bee diversity and response to climate change.

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“…It then follows that vectoring of parasites by non-host species during shared flower use may be of great importance in pollinator-parasite interactions [15,16]. There is currently great interest in the stress factors affecting pollinators, many of which are showing substantial population declines with knock-on effects on the plants that rely on them for pollination [17][18][19]. Parasites are well established as being an important factor in at least some of these declines, with several bumblebee species showing population declines that correlate with pathogen spillover from commercially produced bumblebees [20][21][22][23][24][25][26][27][28], and honeybee colony losses in many countries being associated with emerging parasites such as the Varroa mite and the microsporidian Nosema ceranae [29][30][31][32][33][34].…”

Section: Introductionmentioning

confidence: 99%

Parasites in bloom: flowers aid dispersal and transmission of pollinator parasites within and between bee species

2015

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The dispersal of parasites is critical for epidemiology, and the interspecific vectoring of parasites when species share resources may play an underappreciated role in parasite dispersal. One of the best examples of such a situation is the shared use of flowers by pollinators, but the importance of flowers and interspecific vectoring in the dispersal of pollinator parasites is poorly understood and frequently overlooked. Here, we use an experimental approach to show that during even short foraging periods of 3 h, three bumblebee parasites and two honeybee parasites were dispersed effectively onto flowers by their hosts, and then vectored readily between flowers by non-host pollinator species. The results suggest that flowers are likely to be hotspots for the transmission of pollinator parasites and that considering potential vector, as well as host, species will be of general importance for understanding the distribution and transmission of parasites in the environment and between pollinators.

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Plant-Pollinator Interactions over 120 Years: Loss of Species, Co-Occurrence, and Function

Cited by 905 publications

References 37 publications

Specialty fruit production in the Pacific Northwest: adaptation strategies for a changing climate

Specialty fruit production in the Pacific Northwest: adaptation strategies for a changing climate

Biogeography and demography of an Australian native bee Ceratina australensis (Hymenoptera, Apidae) since the last glacial maximum

Parasites in bloom: flowers aid dispersal and transmission of pollinator parasites within and between bee species

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