Table 2.

Honeybee hives near the botanical garden Munich in 2019 and 2020 (see Fig. 2 for the location of hives)

Month	Bee hives 2019	Honey bees 2019 (millions)	Bee hives 2020	Honeybees 2020 (millions)
April	≤ 33	≤ 0.7–1.3	33	0.7–1.3
May	≤ 33	≤ 0.7–1.3	41	1.0–1.6
June	33	0.7–1.3	44/45	1.3–1.8
July	33	0.7–1.3	44	1.3–1.9

The numbers of bees per hive were estimated by the four bee keepers who owned the hives (“Materials and methods”). The increase in June 2020 is due to natural reproduction (swarming of bees)