Vijgh, Lisanne van der (2023) Analysis of pollinator diversity under 3 urban grassland management strategies. Bachelor's Research Project (period 2b), Biology.
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Abstract
Pollinators are of great importance for the pollination of plants, over 85% of wild flowering plants depend on pollination by insects. 75% of the crops used for human consumption depend on pollination, making pollinators extremely important for the yield of vegetables and fruit. However, there is a worldwide decline in the abundance of pollinators, including a lot of endangered species. Urbanization causes tremendous effects on the vegetation composition of their original habitat. The comparison of different urban grassland management types could provide insight into the type of vegetation management yielding the highest pollinator diversity and abundance. Three different management strategies, sinus, sheep, and lawn were investigated. The number of bees, bumblebees, butterflies, and hoverflies was counted for the selected fields. Butterflies were identified at the species level to compare the species diversity between the management types. The highest number of pollinators was counted under sinus management. Sinus management showed the highest positive significant effect on the pollinator abundance for bees, bumblebees, butterflies, and hoverflies. Fields managed by sheep show the highest pollinator diversity regarding butterfly species. Even though sinus fields show a high pollinator abundance, there is a lot of variance between the sinus fields. There is a difference in the preference for flowering plants between pollinators.
| Item Type: | Thesis (Bachelor's Research Project (period 2b)) |
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| Supervisor name: | Jousma, M. and Smit, C. |
| Degree programme: | Biology |
| Thesis type: | Bachelor's Research Project (period 2b) |
| Language: | English |
| Date Deposited: | 12 Jun 2023 09:43 |
| Last Modified: | 12 Jun 2023 09:43 |
| URI: | https://fse.studenttheses.ub.rug.nl/id/eprint/29880 |
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