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Investigations of the environmental response to changes in rainfall are also relevant in terms of natural resource management as they can help us assess the likely availability of groundwater under a range of climate change scenarios . The data obtained have proved to be of great interest in the context of coastal ecosystem response to changes in air quality , but this is only one of their many applications . Postdoctoral fellow Justin Ries and his collaborators say this is the first known case of an animal altering the composition of its skeleton in response to change in its physical environment . That is because the report changed its methodology in response to changes in accounting rules introduced by the Financial Accounting Standards Board , a private organization that sets rules that govern how most non-profit groups keep their books .