Variable breeding phenology affects the exposure of amphibian embryos to ultraviolet radiation and optical characteristics of natural waters protect amphibians from UV-B in the U.S. Pacific Northwest: Comment

1. Blaustein, A.R.
2. Han, B.
3. Fasy, B.
4. Romansie, J.
5. Scheessele, E.A.
6. Anthony, R.G.
7. Marco, A.
8. Chivers, D.P.
9. Belden, L.K.
10. Kiesecker, J.M.
11. Garcia, T.
12. Lizana, M.
13. Kats, L.B.
14. Palen, W.J.
15. Schindler, D.E.
16. Adams, M.J.
17. Pearl, C.A.
18. Bury, R.
19. Diamond, S.A.
20. Corn, P.S.
21. Muths, E.