Diolch Nia a Catrin. Conglfaen amdani.
> Conglfaen?
>
> -----Original Message-----
> From: Discussion of Welsh language technical terminology and vocabulary [mailto:[log in to unmask]] On Behalf Of Jones,Sylvia Prys
> Sent: 05 March 2012 15:26
> To: [log in to unmask]
> Subject: keystone species
>
> diffiniad:
>
>
>
> A keystone species is a species that plays a critical role in
> maintaining the structure of an ecological community and whose impact on
> the community is greater than would be expected based on its relative
> abundance or total biomass.
>
> Mae'n debyg bod y term yn cael ei ddefnyddio ers 40 o flynyddoedd. Felly
> tybed oes yna derm cydnabyddedig. Neu oes gan rywun awgrym?
>
> Diolch
>
> Sylvia.
--
Dr Sylvia Prys Jones 01248 382036 <[log in to unmask]>
Pennaeth yr Uned Gyfieithu/Head of Translation Unit
Canolfan Bedwyr
Prifysgol Bangor/Bangor University
--
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