“… Relative changes in breathing frequency during breathing episodes (A, D), number of breathing episodes (B, E), and duration of the non-ventilatory period (C, F) in Testudines under hypoxic (A–C) and hypercarbic (D–F) exposures. Chelonia mydas :
25 °C, Jackson, Kraus & Prange, 1979 ; Chelonoidis carbonarius :
25 °C, this study; Chelydra serpentina :
25 °C, Boyer, 1966 ;
22–24 °C, West, Smits & Burggren, 1989 ;
20 °C, Frische, Fago & Altimiras, 2000 ); Chrysemys picta :
20–23 °C, Milsom & Jones, 1980 ;
20 °C, Glass, Boutilier & Heisler, 1983 ;
30 °C, Glass, Boutilier & Heisler, 1983 ;
20 °C, Silver & Jackson, 1985 ;
22–23 °C, Milsom & Chan, 1986 ;
20 °C, Funk & Milsom, 1987 ;
30 °C, Funk & Milsom, 1987 ; Gopherus polyphemus :
22 °C, Ultsch & Anderson, 1988 ; Pelomedusa subrufa :
25 °C, Burggren, Glass & Johansen, 1977 ;
25 °C, Glass, Burggren & Johansen, 1978 ); Phrynops geoffroanus :
25 °C, Cordeiro, Abe & Klein, 2016 ; Podocnemis unifilis :
25 °C, Cordeiro, Abe & Klein, 2016 ; Terrapene carolina :
20–23 °C, Altland & Parker, 1955 ;
22 °C, Ultsch & Anderson, 1988 ; Testudo horsfieldi :
25 °C, Benchetrit, Armand & Dejours, 1977 ;
30 °C, Benchetrit, Armand & Dejours, 1977 ;
23–25 °C, Benchetrit & Dejours, 1980 ; Testudo pardalis :
25 °C, Burggren, Glass & Johansen, 1977 ;
25 °C, Glass, Burggren & Johansen, 1978 …”