A UK zoological park imports several confiscated, highly endangered radiated tortoises (Astrochelys radiata) from Madagascar to establish a captive breeding and research facility, with the goal of preserving genetic diversity and eventually reintroducing captive-bred individuals back into their native wild habitats.

Which of the following agreements is/are relevant to the scenario described above?

1. The Convention on International Trade in Endangered Species (CITES)
2. The Rio Convention on Biological Diversity (CBD)
3. The Countryside Stewardship Scheme (CSS)