#nectarsource

2025-10-27

#Autumn is an important season in temperate climates, necessary for numerous organisms to prepare for #winterdiapause. I here show #floweringplants on a dry #meadow in #Berlin in mid-#October 2025: #Achillea #millefolium, #Echium #vulgare, #Berteroa #incana, #Jacobaea #vulgaris. They serve as last #nectarsource for various insects. But what effect does #globalwarming actually have on autumn (further reading)?
©#StefanFWirth

F.reading
A.S.Gallinat (2015)
doi.org/10.1016/j.tree.2015.01

#Photos
©S F. W

Achillea millefolium s. str..The species is part of a species group with very similar species and additionally is assumed to have two subspecies, here on dry meadow in district Wedding near park Goethepark in Berlin, 16 October 2025, © Stefan F. WirthEchium vulgare, here on dry meadow in district Wedding near park Goethepark in Berlin, 16 October 2025, © Stefan F. WirthBerteroa incana, here on dry meadow in district Wedding near park Goethepark in Berlin, 16 October 2025, © Stefan F. WirthJacobaea vulgaris, here on dry meadow in district Wedding near park Goethepark in Berlin, 16 October 2025, © Stefan F. Wirth

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