Klaus H. Hoffmann

Re-entrainment of circadian rhythms after phase-shifts of the Zeitgeber.

J. Aschoff, Klaus H. Hoffmann, H. Pohl et al. · PubMed · 1976 · 353 citations

Biology, Plant Circadian Clock, Sleep +11

Ant-aphid mutualisms: the impact of honeydew production and honeydew sugar composition on ant preferences

Wolfgang Völkl, Joseph Woodring, Melanie K. Fischer et al. · Oecologia · 1999 · 331 citations

Biology, Engineering, Plant-insect Interaction +10

The influence of photoperiod and melatonin on testis size, body weight, and pelage colour in the Djungarian hamster (Phodopus sungorus)

Klaus H. Hoffmann · Journal of Comparative Physiology A · 1973 · 327 citations

Animal Physiology, Biology, Animal Performance +13

Effects of short photoperiods on puberty, growth and moult in the Djungarian hamster <i>(Phodopus sungorus)</i>

Klaus H. Hoffmann · Reproduction · 1978 · 223 citations · Full text

Nutritional constraints at the cyanobacteria—<i>Daphnia magna</i> interface: The role of sterols

Dominik Martin‐Creuzburg, Eric von Elert, Klaus H. Hoffmann · Limnology and Oceanography · 2008 · 216 citations · Full text

Engineering, Filamentous Cyanobacteria, Microbial Physiology +16