2 ms·
Climate. We know from ice cores that the climate prior to the current interglacial period wasn’t very conducive to crops. It was dryer and had less CO2. 180ppm
by amayne 6y ago
Climate. We know from ice cores that the climate prior to the current interglacial period wasn’t very conducive to crops. It was dryer and had less CO2. 180ppm be 260ppm pre-industrial area.
Lower CO2 levels meant that plants lost more moisture opening their pores and growth would be stunted.
- AlotOfReading 6y agoClimate change is a big part of the puzzle, but for cases like the cucurbitaceae family in the Americas, it likely also reflects quaternary extinction events and social/behavioral changes in human populations, among other things. It's complicated and multifactorial.