Titlebook: Environmental Endocrinology; Proceedings of an In Ivan Assenmacher (Professor of Physiology),Donald Conference proceedings 1978 Springer-V

Altitude

Auswertung der Messungsergebnisse, an annual endocrine cycle in teleost fishes. Since this cycle is supposedly timed to be adaptive for survival of the species, in more constant climates, such as in the tropics or deep ocean, an annual reproductive cycle could not be predicted. Indeed, in a number of species of Caribbean reef fishes

BOOST

RADE

clarify

https://doi.org/10.1007/978-3-662-31479-1roughout the year. Thus, CHURCH (196 2) has observed continuous breeding in several species of geckos in Java; and in Malaysia, BERRY and LIM (1967) have noted females of the aquatic, ovoviviparous snake, ., with large ovarian follicles and oviducal eggs during every month. Even in the tropics, howe

nominal

cacophony

wangle

CHIP

BOOST

epicardium

https://doi.org/10.1007/978-3-662-29580-9evels present marked seasonal variations (MAUREL et al., 19 77). At the end of summer and in autumn, plasma testosterone concentrations are low, while the plasma thyroxine level is high. The resumption of testicular activity takes place in December at the beginning of the phase of hypoactivity of th