| Amor, N., Aprea, G., Chatti, N., Farjallah, S., Odierna, G. & Said, K. 2007. Karyological analysis of four Tunisian species of Anura (Amphibia). African Zoology 42: 268–278. BioOne, Google Scholar | | Arntzen, J.W. & Wallis, G.P. 1994. The “Wolterstorff Index” and its value to the taxonomy of the crested newt superspecies. Abhandlungen und Berichte des Museums für Naturkunde und Vorgeschichte, Magdeburg 17: 57–66. Google Scholar | | Arntzen, J.W. & García-París, M. 1995. Morphological and allozyme studies of midwife toads (genus Alytes), including the description of two new taxa from Spain. Contributions to Zoology 65: 5–34. Google Scholar | | Ashton, K.G. 2002. Patterns of within-species body size variation of birds: strong evidence for Bergmann's rule. Global Ecology and Biogeography 11: 505–523. Crossref, Google Scholar | | Babik, W. & Rafinski, J. 2000. Morphometric differentiation of the moor frog (Rana arvalis Nilss.) in Central Europe. Journal of Zoological Systematics and Evolutionary Research 38: 239–247. Crossref, Google Scholar | | Berger, L. & Rybacki, M. 1994. Growth and maturity of brown frogs, Rana arvalis and Rana temporaria, in central Poland. Alytes 11: 11–24. Google Scholar | | Berven, K.A. 1982a. The genetic basis of altitudinal variation in the wood frog, Rana sylvatica. I. An experimental analysis of life history traits. Evolution 36: 962–983. Crossref, PubMed, Google Scholar | | Berven, K.A. 1982b. The genetic basis of altitudinal variation in the wood frog, Rana sylvatica. II. An experimental analysis of larval development. Oecologia 52: 360–369. Crossref, PubMed, Google Scholar | | Blaustein, A.R., Wake, D.B. & Sousa, W.P. 1994. Amphibian declines: judging stability, persistence, and susceptibility of populations to local and global extinctions. Conservation Biology 8: 60–71. Crossref, Google Scholar | | Blouin, M.S. & Brown, S.T. 2000. Effects of temperature-induced variation in anuran larval growth rate on head width and leg length at metamorphosis. Oecologia 125: 358–361. Crossref, PubMed, Google Scholar | | Bradshaw, A.D. & McNeilly, T. 1991. Evolutionary response to global climatic change. Annals of Botany 67: 5–14. Crossref, Google Scholar | | Bull, C.M. & Burzacott, D. 2002. Changes in climate and in the timing of pairing of the Australian lizard, Tiliqua rugosa: a 15-year study. Journal of Zoology 256: 383–387. Crossref, Google Scholar | | Castellano, S., Malhotra, A. & Thorpe, R.S. 1994. Within-island geographic variation of the dangerous Taiwanese snake, Trimeresurus stajnegeri, in relation to ecology. Biological Journal of the Linnean Society 32: 365–375. Crossref, Google Scholar | | Duellman, W. & Trueb, L. 1986. Biology of Amphibians. McGraw-Hill, New York. Google Scholar | | Emerson, S.B. 1985. Skull shape in frogs correlations with diet. Herpetologica 41: 177–188. Google Scholar | | Emerson, S.B. 1986. Heterochrony and frogs: the relationship of a life history trait to morphological form. American Naturalist 127: 167–183. Crossref, Google Scholar | | Emerson, S.B. 1991. The ecomorphology of Bornean tree frogs (family Rhacophoridae). Zoological Journal of the Linnean Society 101: 337–357. Crossref, Google Scholar | | Fisher, R.N. & Shaffer, H.B. 1996. The decline of amphibians in California's Great Central Valley. Conservation Biology 10: 1387–1397. Crossref, Google Scholar | | Gillespie, G.R. & Hollis, G.J. 1996. Distribution and habitat of the spotted tree frog, Litoria spenceri Dubois (Anura:Hylidae), and an assessment of potential causes of population declines. Wildlife Research 23: 49–75. Crossref, Google Scholar | | Graves, G.R. 1985. Elevational correlates of speciation and intraspecific geographical variation in plumage of Andean forest birds. Auk 102: 556–579. Google Scholar | | Graves, G.R. 1988. Linearity of geographic range and possible effect on the population structure of Andean birds. Auk 105: 47–52. Google Scholar | | Hair, J.F., Anderson, R.E., Tatham, R.L. & Black, W.C. 1998. Multivariate Data Analysis, 5th edn. Prentice Hall, Upper Saddle River, U.S.A. Google Scholar | | Hecnar, S.J. & M'Closkey, R.T. 1996. Regional dynamics and the status of amphibians. Ecology 77: 2091–2097. Crossref, Google Scholar | | Kalezic, M.L., Dzukic, G., Stamenkovic, S. & Crnobrnja, J. 1990. Morphometries of the crested newt (Triturus cristatus complex) from Yugoslavia: relevance for taxonomy. Arhiv Bioloskih Nauka 42: 17–37. Google Scholar | | Lee, J.C. 1993. Geographic variation in size and shape of Neotropical frogs: a precipitation gradient analysis. Occasional Papers of the Museum of Natural History of the University of Kansas 163: 1–20. Google Scholar | | Marquez-Garcia, M., Correa-Solis, M., Sallaberry M. & Mendez, M.A. 2009. Effects of pond drying on morphological and life-history traits in the anuran Rhinella spinulosa (Anura: Bufonidae). Evolutionary Ecology Research 11: 1–13. Google Scholar | | Martínez-Solano, I., Buckley, D., Velo Antón, G., Amor, N., Alcobendas, M. & Zardoya, R. 2007. Comparative phylogeography of Discoglossus and Rana in North Africa. Proceedings of the First Mediterranean Herpetological Congress, Marrakech, Morocco, 16–20 April 2007, p. 7. Google Scholar | | Miller, K., Monteforte, P.B. & Landis, L.E 1993. Scaling of locomotor performance and enzyme activity in the leopard frog, Rana pipiens. Herpetologica 49: 383 392. Google Scholar | | Morrison, C. & Hero, J.M. 2003. Geographic variation in life-history characteristics of amphibians: a review. Journal of Animal Ecology 72: 270–279. Crossref, Google Scholar | | Nouira, S. 2001. Conservation des zones humides littorales et des écosystèmes côtiers — Cap Bon. Coastal Protection and Planning Agency, Ministry of Environment and Sustainable Development, Tunisia, internal report, 33 pp. Google Scholar | | Newman, R.A. 1989. Developmental plasticity of Scaphiopus couchii tadpoles in an unpredictable environment. Ecology 70: 1775–1787. Crossref, Google Scholar | | Opdam, P. & Wascher, D. 2004. Climate change meets habitat fragmentation: linking landscape and biogeographical scale levels in research and conservation. Biological Conservation 117: 285–297. Crossref, Google Scholar | | Peel, M.C., Finlayson, B.L. & McMahon T.A. 2007. Updated world map of the Köppen-Geiger climate classification. Hydrology and Earth System Sciences 11: 1633–1644. Crossref, Google Scholar | | Riha, V.F. & Berven, K.A. 1991. An analysis of latitudinal variation in the larval development of the wood frog (Rana sylvatica). Copeia 1991: 209–221. Crossref, Google Scholar | | Romdhane, M.S. & Missaoui, H. 2001. Conservation des Zones Humides Littorales et des Ecosystèmes côtiers du Cap-Bon. Coastal Protection and Planning Agency, Ministry of Environment and Sustainable Development, Tunisia, internal report, 24 pp. Google Scholar | | Sicilia, A., Marrone, F., Sindaco, R., Turki S.. & Arculeo, M. 2007. Contribute to the knowledge of Tunisian amphibians: notes on distribution, habitat features and phenology. Proceedings of the Fifth Symposium for European Freshwater Sciences (SEFS5), Palermo, 8–13 July 2007, p 249. Google Scholar | | Smirnov, S.V. 1992. The influence of variation in larval period on adult cranial diversity in Pelobates fuscus (Anura: Pelobatidae). Journal of Zoology, London 226: 601–612. Crossref, Google Scholar | | Sokal, R.R. & Rohlf, F.J. 1995. Biometry: The Principles and Practice of Statistics in Biological Research 3rd edn. W. H. Freeman, New York. Google Scholar | | SPSS Inc. 2007. Systat for Windows, Version 16.0. SPSS Inc. Chicago, Illinois. Google Scholar | | Tejedo, M., Semlitsch, D.R. & Hotz, H. 2000. Covariation of morphology and jumping performance in newly metamorphosed water frogs: effects of larval growth history. Copeia 2: 448–458. BioOne, Google Scholar | | Thorpe, R.S. & Baez, M. 1987. Geographic variation within an island: univariate and multivariate contouring of scalation, size and shape of the lizard Gallotia galloti. Evolution 41: 256–268. Crossref, PubMed, Google Scholar | | Tryjanowski, P., Rybacki, M. & Sparks, T. 2003. Changes in the first spawning dates of common frogs and common toads in western Poland in 1978 2002. Annales Zoologici Fennici 40: 459–464. Google Scholar | | Tryjanowski, P., Sparks, T., Rybacki, M. & Berger, L. 2006. Is body size of the water frog Rana esculenta complex responding to climate change? Naturwissenschaften 93: 110–113. Crossref, PubMed, Google Scholar | | Walther, G-R., Post, E., Convey, P., Menzel, A., Parmesan, C., Beebee, T.J.C., Fromentin, J-M., Hoegh-Guldberg, O. & Bairlein, F. 2002. Ecological responses to recent climate change. Nature 416: 389–395. Crossref, PubMed, Google Scholar | | Wassersug, R.J. & Hoff, K. 1982. Developmental changes in the orientation of the anuran jaw suspension: a preliminary exploration into the evolution of anuran metamorphosis. Evolutionary Biology 15: 223–246. Crossref, Google Scholar |