Effects of landscape metrics on Apis and non-Apis pollinators and seed set in common buckwheat

Taki, Hisatomo; Okabe, Kimiko; Yamaura, Yuichi; Matsuura, T.; Sueyoshi, Masahiro; Makino, Shio; Maetô, Kaoru

doi:10.1016/j.baae.2010.08.004

Cited by 47 publications

(54 citation statements)

References 33 publications

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“…Remnant vegetation provides vital resources for beneficial insects such as pollinators and natural enemies, including food, nesting, and overwintering sites. Distance to remnant vegetation is often negatively correlated with crop yields, as pollinator diversity and pollination services decline with greater isolation from natural or semi-natural habitats (Taki et al 2010;Garibaldi et al 2011). While there is much evidence for spillover from natural habitats to managed areas, little attention has been given to spillover in the opposite direction (Rand et al 2006;Blitzer et al 2012;Gaigher et al 2015).…”

Section: Activity Of a Single Animal Species Can Have Different Effecmentioning

confidence: 99%

Pollinators, pests, and predators: Recognizing ecological trade-offs in agroecosystems

Saunders

Peisley

Rader³

et al. 2015

Ambio

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Ecological interactions between crops and wild animals frequently result in increases or declines in crop yield. Yet, positive and negative interactions have mostly been treated independently, owing partly to disciplinary silos in ecological and agricultural sciences. We advocate a new integrated research paradigm that explicitly recognizes cost-benefit trade-offs among animal activities and acknowledges that these activities occur within socialecological contexts. Support for this paradigm is presented in an evidence-based conceptual model structured around five evidence statements highlighting emerging trends applicable to sustainable agriculture. The full range of benefits and costs associated with animal activities in agroecosystems cannot be quantified by focusing on single species groups, crops, or systems. Management of productive agroecosystems should sustain cycles of ecological interactions between crops and wild animals, not isolate these cycles from the system. Advancing this paradigm will therefore require integrated studies that determine net returns of animal activity in agroecosystems.

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Section: Activity Of a Single Animal Species Can Have Different Effecmentioning

confidence: 99%

Pollinators, pests, and predators: Recognizing ecological trade-offs in agroecosystems

Saunders

Peisley

Rader³

et al. 2015

Ambio

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“…The sampling sites were situated at least 10 km from one another. The radii were selected based on the reported foraging ranges and influencing landscape scales of A. cerana (Dyer and Seeley 1991;Taki et al 2010Taki et al , 2011. The areas were scouted from 1:50,000 digital vegetation maps published by the Ministry of the Environment of Japan in 1999, using ArcGIS version 10.2 (ESRI, Redlands).…”

Section: Environmental Factorsmentioning

confidence: 99%

“…Wild populations of A. cerana inhabit various landscapes. For instance, A. cerana nests are often found in tree cavities in old growth forests (Oldroyd and Wongsiri 2006), and the workers are found near crop flowers in agricultural fields within mountainous and forested landscapes (Taki et al 2010). Apis cerana can also readily use holes in buildings, and populations are even found in highly disrupted human-dominant landscapes (Sasaki 1999).…”

Section: Introductionmentioning

confidence: 99%

Stable nitrogen and carbon isotope ratios in wild native honeybees: the influence of land use and climate

et al. 2016

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The eastern hive bee Apis cerana is a major honeybee species in Asia providing numerous ecosystem services. Understanding how much the honeybees depend on natural and human-influenced plants and landscapes in different climates is important could contribute to evaluate how wild honeybees use food resources and to measure the ecosystem services. We investigated the effects of land use and climate changes on stable nitrogen and carbon isotope ratios in wild populations of A. cerana. In populations from 139 individual sites throughout Japan, we measured nitrogen (d 15 N) and carbon (d 13 C) stable isotope ratios and analyzed the effects of land use and climate. Our results showed that forested areas and annual precipitation had significant effects on d 15 N, and that paddy fields and urban areas had significant effects on d 13 C. These results suggest that A. cerana sensibly uses available food resources in the various environments and that stable nitrogen and carbon isotope ratios clearly reflect the effects of land use and climate changes on the populations of A. cerana. Thus, stable nitrogen and carbon isotope ratios in A. cerana, which widely distributes in Asia, can be used as indicators of the environments, such as land use and climate, of an area within its foraging range.Keywords Honey Á Bee Á Nitrogen Á Carbon Á Delta 15N Á Delta 13C Communicated by Eckehard Brockerhoff, Hervé Jactel and Ian Thompson. This is part of the special issue on 'Forest biodiversity and ecosystem services'.Electronic supplementary material The online version of this article (

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“…The Japanese honeybee is one of the most important pollinators in Japan; for example, it is the most dominant flower-visiting insect on common buckwheat (Taki et al 2010). A recent nationwide survey revealed that A. woodi is patchily distributed throughout Japan (Maeda 2016 and unpublished data).…”

Section: Introductionmentioning

confidence: 99%

Tracheal mites, Acarapis woodi, greatly increase overwinter mortality in colonies of the Japanese honeybee, Apis cerana japonica

Maeda

Sakamoto

2016

Apidologie

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-This study evaluated the damage caused by the tracheal mite Acarapis woodi to colonies of the Japanese honeybee Apis cerana japonica , by investigating mite prevalence and colony death of the honeybees during winter. Honeybees of 114 colonies were sampled from October to December to detect mite prevalence. The colony death was monitored up to the end of April. The observed mortality due to mite infestation was compared with data from two previous studies about European honeybees. Under normal conditions in the absence of mites, 21 % of intact colonies died during the winter season. However, once the honeybee colonies were infested with A. woodi , the overwinter mortality was drastically increased. The mortality of Japanese honeybee colonies infested with the tracheal mites was higher than that reported historically in European honeybee colonies infested with the mites. Investigation of colony mortality at the apiary level showed that mortality was significantly higher in miteinfested than non-infested apiaries, but there were no significant differences related to the estimated winter air temperature. These results suggest that tracheal mite infestation seriously increases the overwinter mortality of Japanese honeybees.Asian honeybee / tracheal mite / colony death / overwinter mortality

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Effects of landscape metrics on Apis and non-Apis pollinators and seed set in common buckwheat

Cited by 47 publications

References 33 publications

Pollinators, pests, and predators: Recognizing ecological trade-offs in agroecosystems

Pollinators, pests, and predators: Recognizing ecological trade-offs in agroecosystems

Stable nitrogen and carbon isotope ratios in wild native honeybees: the influence of land use and climate

Tracheal mites, Acarapis woodi, greatly increase overwinter mortality in colonies of the Japanese honeybee, Apis cerana japonica

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