the causes their decline or destruction of their nesting sites increasing the plants that provide them with necto pollen but also parasites and especially the use of pesticides
The causes of their decline are known: destruction of their nesting sites, increasing scarcity of the plants that provide them with nectar and pollen, but also diseases, parasites, and especially the use of pesticides, more specifically neurotoxic pesticides, which are particularly harmful for bees.
The causes their decline are destruction of their nesting sites, increasing the plants that provide them with nectar pollen, but also parasites, and especially the use of pesticides, more specifically neurotoxic pesticides, which particularly harmful for bees.