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Pollinator Corridors

Loss of habitat loss and fragmentation is the #1 cause of pollinator extinction

Urban Horticulture

Pollinator Corridors

Pollinator corridors consisting of many individual garden spots in proximity within urban environments are necessary to replace the heavily fragmented ecosystems and to properly restore vital pollinator habitats. Habitat restoration in urban landscapes to bring back the pollinators requires strategic citizen involvement.

 

Habitat Fragmentation

Habitat Loss 

Threats to Pollinators

Habitat Loss:

The main threats facing pollinators are habitat loss, degradation and fragmentation. As native vegetation is replaced by roadways, manicured lawns, crops and non-native gardens, pollinators lose the food and nesting sites that are necessary for their survival. 

 

Agriculture Replaces Natural Habitats

Much pollinator habitat has been lost to agriculture, resource extraction, and urban and suburban development. Although these land uses can provide floral resources and benefit some pollinators, many bees and butterflies are habitat-specific, and the loss of habitat that provides sites for overwintering, foraging for pollen and nectar, or nesting can be detrimental to these species.

Habitat degradation, the decline in habitat quality, is another serious concern.

Pollinators Feed Us

Many pollinators are adversely affected when large, intact tracts of habitat are broken up into smaller, isolated patches by road construction, development, or agriculture. These habitat fragments may not be large enough to meet all pollinator needs by themselves. Establishing and maintaining connectivity—safe passage among patches—is key to pollinator persistence in these areas.

Pollinator Corridors Restore Habitats

Migratory pollinators face special challenges.  If the distance between the suitable habitat patches along their migration route is too great, smaller, weaker individuals may die during their journey.