Long-term shifts in snake populations: A California site revisited

Agriculture & Biology

• snakes 84%
• Pituophis 72%
• Crotalus viridis 69%
• ecotones 54%
• all-terrain vehicles 34%
• arid grasslands 32%
• chaparral 31%
• pets 23%
• traffic 21%
• woodlands 21%
• roads 20%
• Quercus 19%
• grazing 17%
• sheep 14%
• cattle 12%
• sampling 7%

Earth & Environmental Sciences

• snake 100%
• ecotone 49%
• transect 36%
• chaparral 31%
• pet 27%
• road traffic 25%
• sheep 23%
• cattle 21%
• oak 21%
• mosaic 20%
• woodland 20%
• grazing 18%
• grassland 17%
• vehicle 16%
• road 15%
• sampling 12%
• distribution 7%
• analysis 5%