Identification of plant species for pollinator restoration in the Northern Prairies

Research on diurnal plant–pollinator interactions indicates that a small number of generalist plants provide a disproportionately high amount of floral resources to pollinating insects. Identifying these generalist plants would help prairie restoration specialists select species that will provide fo...

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Main Authors: Diana Bizecki Robson, Cary Hamel, Rebekah Neufeld
Format: Article
Language:English
Published: Enviroquest Ltd. 2017-12-01
Series:Journal of Pollination Ecology
Online Access:https://pollinationecology.org/index.php/jpe/article/view/429
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author Diana Bizecki Robson
Cary Hamel
Rebekah Neufeld
author_facet Diana Bizecki Robson
Cary Hamel
Rebekah Neufeld
author_sort Diana Bizecki Robson
collection DOAJ
description Research on diurnal plant–pollinator interactions indicates that a small number of generalist plants provide a disproportionately high amount of floral resources to pollinating insects. Identifying these generalist plants would help prairie restoration specialists select species that will provide forage for the majority of pollinator taxa. Field research in three Canadian fescue (Festuca hallii) prairie preserves that were at most 3.3 km away from each other was conducted in 2014 and 2015 to create pooled, weighted, plant–insect visitor matrices for each site. Using these matrices, generalization (G) scores were calculated for each plant species to help assess their importance to wild insect visitors as this method controls for differences in insect abundances over the year. The three species with the highest average generalization scores were Solidago rigida, Erigeron glabellus and Symphyotrichum laeve. Species accumulation curves were created to determine how many plant species would need to be present before most pollinator taxa would have at least one acceptable forage species. This research indicates that the 16 plant species (33% of the total) with the highest average generalization scores were visited by 90% of the observed pollinator taxa. To detect exceptionally attractive plant species while accounting for natural differences in abundance, we calculated the insect, bee and fly visitation rates per inflorescence. There was several specialized plant species that were visited frequently by bees. Most of these specialized plants had purple or yellow, tubular flowers, and bloomed in mid to late summer when bee populations were most numerous.
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spelling doaj.art-ebc24445b285442580e8e54caa8d3a642022-12-21T23:11:01ZengEnviroquest Ltd.Journal of Pollination Ecology1920-76032017-12-012110.26786/1920-7603(2017)429246Identification of plant species for pollinator restoration in the Northern PrairiesDiana Bizecki Robson0Cary Hamel1Rebekah Neufeld2The Manitoba MuseumNature Conservancy of ManitobaNature Conservancy of ManitobaResearch on diurnal plant–pollinator interactions indicates that a small number of generalist plants provide a disproportionately high amount of floral resources to pollinating insects. Identifying these generalist plants would help prairie restoration specialists select species that will provide forage for the majority of pollinator taxa. Field research in three Canadian fescue (Festuca hallii) prairie preserves that were at most 3.3 km away from each other was conducted in 2014 and 2015 to create pooled, weighted, plant–insect visitor matrices for each site. Using these matrices, generalization (G) scores were calculated for each plant species to help assess their importance to wild insect visitors as this method controls for differences in insect abundances over the year. The three species with the highest average generalization scores were Solidago rigida, Erigeron glabellus and Symphyotrichum laeve. Species accumulation curves were created to determine how many plant species would need to be present before most pollinator taxa would have at least one acceptable forage species. This research indicates that the 16 plant species (33% of the total) with the highest average generalization scores were visited by 90% of the observed pollinator taxa. To detect exceptionally attractive plant species while accounting for natural differences in abundance, we calculated the insect, bee and fly visitation rates per inflorescence. There was several specialized plant species that were visited frequently by bees. Most of these specialized plants had purple or yellow, tubular flowers, and bloomed in mid to late summer when bee populations were most numerous.https://pollinationecology.org/index.php/jpe/article/view/429
spellingShingle Diana Bizecki Robson
Cary Hamel
Rebekah Neufeld
Identification of plant species for pollinator restoration in the Northern Prairies
Journal of Pollination Ecology
title Identification of plant species for pollinator restoration in the Northern Prairies
title_full Identification of plant species for pollinator restoration in the Northern Prairies
title_fullStr Identification of plant species for pollinator restoration in the Northern Prairies
title_full_unstemmed Identification of plant species for pollinator restoration in the Northern Prairies
title_short Identification of plant species for pollinator restoration in the Northern Prairies
title_sort identification of plant species for pollinator restoration in the northern prairies
url https://pollinationecology.org/index.php/jpe/article/view/429
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