1. Ab’saber, A. N., 1994. The Caatinga Domain. Caatinga, Sertão, Sertanejos. Livroarte Editora, Rio de Janeiro.
2. Appelberg, M., B. C. Bergquist & E. Degerman, 2000. Using fish to assess environmental disturbance of Swedish lakes and streams – a preliminary approach. International Association of Theoretical and Applied Limnology 27(1): 311–315.
3. Barbosa, J. E., E. S. F. Medeiros, J. Brasil, R. D. S. Cordeiro, M. C. B. Crispim & G. H. G. da Silva, 2012. Aquatic systems in semi-arid Brazil. Limnology and management. 24: 103–118.
4. Bottrell, H. H., A. Duncan, Z. M. Gliwicz, E. Grygierek, A. Herzig, A. Hillbrichtilkowska, H. Kurasawa, P. Larsson & T. Weglenska, 1976. Review of some problems in zooplankton production studies. Norwegian Journal of Zoology 24: 419–456.
5. Bouvy, M., R. Molica, S. De Oliveira, M. Marinho & B. Beker, 1999. Dynamics of a toxic cyanobacterial bloom (Cylindrospermopsis raciborskii) in a shallow reservoir in the semi-arid region of northeast. Brazil. 20: 285–297.