在自然生境中,果蝠主要以果实或者花蜜为食,成熟果实或花蜜由于微生物发酵而含一定量的乙醇。乙醇在生态系统中是一种常见物质,它是生物厌氧代谢的终端产物之一(Van Waarde,1991)。一旦果实成熟,它们中的糖分就会被微生物或者自身发...在自然生境中,果蝠主要以果实或者花蜜为食,成熟果实或花蜜由于微生物发酵而含一定量的乙醇。乙醇在生态系统中是一种常见物质,它是生物厌氧代谢的终端产物之一(Van Waarde,1991)。一旦果实成熟,它们中的糖分就会被微生物或者自身发酵代谢成乙醇(Battcock and Azam-Ali,1998;Dudley,2000,2004)。果实中的乙醇浓度主要是由这些以糖分为能源的发酵微生物的扩增状态来决定,展开更多
According to risk sensitive foraging theory,animals forage in ways that not only maximize net caloric intake,but also minimize their probability of starvation(i.e.minimum food requirement).Previous studies have show...According to risk sensitive foraging theory,animals forage in ways that not only maximize net caloric intake,but also minimize their probability of starvation(i.e.minimum food requirement).Previous studies have shown that honey bee foragers prefer constant rewards over variable rewards.Prof.展开更多
文摘在自然生境中,果蝠主要以果实或者花蜜为食,成熟果实或花蜜由于微生物发酵而含一定量的乙醇。乙醇在生态系统中是一种常见物质,它是生物厌氧代谢的终端产物之一(Van Waarde,1991)。一旦果实成熟,它们中的糖分就会被微生物或者自身发酵代谢成乙醇(Battcock and Azam-Ali,1998;Dudley,2000,2004)。果实中的乙醇浓度主要是由这些以糖分为能源的发酵微生物的扩增状态来决定,
文摘According to risk sensitive foraging theory,animals forage in ways that not only maximize net caloric intake,but also minimize their probability of starvation(i.e.minimum food requirement).Previous studies have shown that honey bee foragers prefer constant rewards over variable rewards.Prof.