Well not necessarily. I used to identify loosely as a green anarchist a couple of years ago.
I certainly don't think they are inherently conflicting ideologies, but it is my understanding that serious discussions of bio-conservation and its conflicts with human encroachment/development are more suited for the S&E forum. Green anarchism tends to fixate on ecological consequences of capitalist development, which really isn't being significantly discussed here.
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edit add: after reading serpent's reply, I change my mind. I think there is just general confusion here as to what green anarchism means.
Serpent: calling all green anarchists disciples of Zerzan is like accusing all communists of being Stalinists. You should consider reading stuff by Murray Bookchin, for example, to understand why it is a very diverse movement. (Alan Carter is another "green anarchist" who also takes a positive view of technology)