1795 the entire year in the particular exea, B0 they are exposed to those conditions in a transient manner, but in @ continuous, chronic tyn3 of exposure. The fact that we have an atomie energy plant setting up herve on the river uakes us rather vulnovavle to any public 1 relations aspsocts, you micht say, in terms of any depreciation of the salnon dovnstream in spite of the fact that the salmon wea have only been on the river the last fsov years. We fully appreciate that tho layman sess a smaller roturn of salmon into his lakes and he may quickiy jump to the lake since we do not _knov much about the atomic cnorgy plant, and this must be what is Geplieting the sunpvly, so ws must know the effect of the river ‘so that wa can properly evaluate this sort of thins, The layztan, cgain, is concernsd with tha end product, He wants to know what happencd to the saluon or his sport fish, and he is probably not concerned with tre biclegical factors that go inte producing this end product. interested in the whole schemas of thinss. As biologists, we are We know that tha fish co not have to be affected directly; that if we eliminate the fosd web that the fish may be eliminated or changes some ecolezical factor, we knock the tenperatura out of an optinum something of this sort, that the effect could be indirect, ‘The fact that we have an atonic ecnerzy plant there also brings up prodlers in hacards with resnoct to human beings.