Effort to help pollinators shows successes, limitations ncstate frontiersin
). This is of concern when establishing pollinator habitat, as these plants may outcompete other flowering species that are desired to have establish within planted pollinator habitat. In our study, several research station managers had difficulties with grasses and other weeds from soil seed banks overtaking the habitat.
We found that much of the variation in bee communities, as measured by functional traits, was from environmental factors beyond the habitat . However, we did document that flower cover and flower diversity had an impact on some community measures. This suggests that planting pollinator habitat will not be a ‘one-size-fits-all’ solution for all bee species, even though bee communities as a whole were supported in our study.
, there is evidence that different species will respond differently to habitat characteristics. Specifically, it was noted that managedresponded oppositely to flower diversity compared to the overall wild bee community, potentially due to differences in their foraging behavior. Thus, if a specific bee species is the focus of a particular conservation effort, we suggest that planted habitat should be tailored to better support the functional traits of said species.
Future research would benefit from continued long-term studies on bee communities, particularly studies conducted over a longer period of time than our 3-year study. While we were not testing for global increased abundance over time, there is some evidence of fluctuations across years, something that is expected to naturally occur in communities . As such, longer-term monitoring in the future will reveal the true trajectory of these communities despite natural fluctuations.
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