[1] One of the first notions of nature reserves in Singapore was thought up by the then-Singapore Botanical Gardens Superintendent N. C. Cantley who, in 1882, proposed that select areas of land be preserved.
[2] The Sungei Buloh Wetland Reserve aids in the conservation of both bird species and mangrove plants.
[3] The Bukit Timah Nature Reserve, albeit small-sized at 164 hectares (410 acres), hosts myriad plant and animal lifeforms.
[4] Chek Jawa is situated in eastern Pulau Ubin.The Labrador Nature Reserve is located by the sea.
[7] Owing to rapid urban development, the country is in need of more land for things such as housing, which is deemed more important than nature reservation.