ABSTRACT
Ecosystems and biodiversity are our stock of ‘natural capital’ – they lead to a flow of benefits that support societal and individual well-being and economic prosperity. We do not measure this capital well enough to ensure its proper management and stewardship. Without effective monitoring we cannot understand the range or scale of the impacts of biodiversity loss or choose the best response. Without suitable indicators or accounting, we lack a solid evidence base for informed policy decisions. The following improvements are urgently needed:
