The issue is caused by numerous factors. The end of the old model being produced has caused a shortage of defenders being broken for parts. The rise in prices has caused in increase in demand for parts too, especially upgraded parts like doors and bonnets.
Owners need to be aware of where they buy their parts. Cheap parts are highly likely to be stolen and taken from stripped vehicles, whether on eBay or elsewhere. If a seller can not provide details of where the parts came from, walk away. If we stop buying stolen parts, in theory the demand for stolen parts should reduce.
Prevention is better than cure though. Ensure you can do all you can to make your landy harder to steal. Use a tracking device where possible and use more obvious deterrents like steering and pedal locks. And if it gets nicked, circulate far and wide on social media, such as Landywatch, etc.