In seasonal breeding vertebrates, hormone regulation of catecholamines, which include dopamine and noradrenaline, may function, in part, to modulate behavioral responses to conspecific vocalizations. However, natural seasonal changes in catecholamine innervation of auditory nuclei is largely unexplored, especially in the peripheral auditory system, where encoding of social acoustic stimuli is i...

-Lesser scaup Aythya afinis, mediumsized black and white diving ducks, were collected at Arkansas baitfish farms during November-December 1999 (N = 33), January-February 2000 (N = 39), and March-April 2000 (N = 22) to determine seasonal differences in their diet and their relative impact to baitfish production. The mass of gastrointestinal contents was used to determine the proportion of each d...

1 Sripa B, Pairojul C. Cholangiocarcinoma: lessons from Thailand. Curr Opin Gastroenterol 2008; 24: 349–56. 2 Ziegler AD, Andrews RH, Grundy-Warr C, Sithithaworn P, Petney TN. Fighting liverfl ukes with food safety education. Science 2011; 331: 282–83. 3 Asian Development Bank. Report and recommendation of the president to the board of directors on a proposed loan to the Lao People’s Democratic...

The effects of artificial reef deployment on fish communities residing in areas surrounding deployment sites were quantitatively measured. Two arrays of twelve small (2 x I x 0.5 m) artificial reefs made up of2-in PVC pipe and concrete blocks were deployed in highly similar habitat in the Looe Key National Marine Sanctuary, Florida Keys, U.S,A. One array was designated as "control" while the ot...

33 34 The plainfin midshipman fish, Porichthys notatus, is a seasonally breeding species of marine teleost fish that 35 generates acoustic signals for intraspecific social and reproductive-related communication. Female midshipman 36 use the inner ear saccule as the main acoustic endorgan for hearing to detect and locate vocalizing males that 37 produce multiharmonic advertisement calls during t...