Gwarchod bioamrywiaeth mewn hinsawdd sy'n newid : canllawiau ar feithrin gallu in addasu /
Hopkins, J. J.
Great Britain.Department for Environment, Food & Rural Affairs.
UK Biodiversity Partnership.
[Llundain?] : Defra,
c2007.
"Cyhoeddwyd gan Defra ar ran Partneriaeth Bioamrywiaeth y DU".
Includes bibliographical references.