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Pollinating New Brunswick final
- 1. Pollinating New Brunswick Luis Rivera and Jessica Bagtas
- 2. The Plan Suitability Analysis Low Risk Medium Risk High Risk Criteria SID Roads Within Forage Distance of the Gardens 3 Different Forage Distance Based on types of Bees
- 3. Low Risk Suitability Analysis All criteria must be met OWA (Ordered Weights) Most of weight from left to right Factors-Based On Foraging Distance (each equally weighted) Small Bees - Within 700ft of a garden Medium Bees – Within 5,280ft (mile) of a garden Large Bees – Within 13,200ft (2 miles) of a garden Two Different Low Risk Suitability Maps Map#1: Easton St. as Constraint & 3 Factors based on forage distance Map#2: George St. as Constraint & 3 Factors based on forage distance Factors
- 4. Low Risk Suitability Map Easton St. Constraint
- 5. Low Risk Suitability Map George St. Constraint: Low Suitability
- 6. Low Risk Suitability Map George St. Constraint: Medium Suitability
- 7. Low Risk Suitability Map George St. Constraint: High Suitability
- 8. Medium Risk Suitability Analysis OWA (Ordered Weights) Most weight in the middle (0.1-0.1-6-0.1-0.1) Factors Small Bees - Within 700ft of a garden Medium Bees – Within 5,280ft (mile) of a garden Large Bees – Within 13,200ft (2 miles) of a garden On George St. On Easton Ave.
- 9. Medium Risk Suitability Map
- 10. High Risk Suitability Analysis OWA (Ordered Weights) Most weight to the right (0.1- 0.1-0.2-0.5) Factors Small Bees - Within 700ft of a garden Medium Bees – Within 5,280ft (mile) of a garden Large Bees – Within 13,200ft (2 miles) of a garden On George St. On Easton Ave.
- 11. High Risk Suitability Map
- 12. Medium Vs High
- 15. Problems
Hinweis der Redaktion
- Community gardens in New Brunswick have been popping up all over the city of New Brunswick. They are great resource for the community; allows cheap and easy access to healthy foods, allows a more sustainable New Brunswick. With the worldwide decline of pollinator populations, our Community partners are trying to build pollinator habitats to attract native pollinators to new Brunswick.
- Foraging Distance- The average distance that a pollinator would travel away from its habitat; habitats must be built in areas within a foraging distance of the community gardens. Different foraging distance for small, medium, and large bees. SID Roads- George St and Easton St (special improvement district, areas in master plan that are targeted for improvement) Used mostly Idrisi for its decision support. Used arcmap to make maps more readable
- OWA- 1-0-0 (no tradeoff)…Constraint vs Factor – Constraint is a criterion that must be met otherwise it is not considered suitable. A factor is a flexible criteria that is given a certain weight, and does not necessarily have to be met
- Buffer distance shows the potential reach of the pollinators based on their foraging distance and shows which gardens it may pollinate. Max Suitability Score was only 85, but as we will show later in the presentation, a score this can still be promising.
- For the sake of legibility, the suitable areas were broken up into low, medium, and high suitable areas; shown in this slide and the next 2 slides. Low suitability: Suitability Score from 0 to 85 Medium suitability: Suit. Score 86-170 High Suitability: Suit. Score 171-255
- Medium suitability, scores from 86 to 170. Can pollinate more different gardens
- High suitability, scores from 171-255. Can potentially pollinate all gardens in just two key areas. Community partners should target this area to build habitats.
- Factor Weights: Each foraging distance: 0.25 Easton: 0.125 George: 0.125
- Factor Weights(same as medium): Each foraging distance: 0.25 Easton: 0.125 George: 0.125
- Many areas are highly suitable, but why? See next slide
- Chose an identical location on both maps and compared the suitability score. On the left, medium risk has a low score, while high risk map shows a high score. Medium risk bases suitability based more on factor weights; even if there are very high scores for certain factors, the fact that some factors had a suit. Score of 0 made the overall suit score very low. High risk chooses suitability differently. As long as there is suitability in any factor it can be considered suitable. Suit scores for only 2 factors are very high, thus the overall score is quite high, regardless of the fact that some individual suit scores are 0. Thus, more realistic/prudent that community partners use either low risk or medium risk results to choose areas to build habitats
- Medium risk map. Chose a random point in green (low suitability, but still suitable) and illustrated how far the bees could reach from that point using buffer distance. Could it pollinate most gardens?
- As long as the habitats are created with intention - planting species of plants that attract specifically medium and large bees – most areas in green can pollinate most gardens in new Brunswick. This is very promising for our community partners, as it allows them flexibility. Highly suitable areas may be private land, may be expensive, or may have restrictions/zoning laws that prevent the community partners from building a pollinator’s habitat there.
- Originally had parks as a factor, but there were overlay issues with parks layer. Parks layer given to us had no defined projection, thus hard to reproject in arcmap and idrisi. Solution: find a better park map and redo analysis with parks in mind OR Take the maps we already produced and see if suitable areas coincide with a park