检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
作 者:高欣[1]
机构地区:[1]浙江林学院生命科学学院,浙江临安311300
出 处:《四川动物》2005年第2期184-185,190,共3页Sichuan Journal of Zoology
摘 要:1999、2 0 0 0年3~6月,对辽宁省朝阳县树栖型苍鹭孵化习性和育雏习性进行观察。苍鹭孵化以雌鸟为主,两性轮流孵化,孵化期2 4~2 7天,平均孵化率93 5 % ;雏鸟为晚成鸟,育雏期4 0~5 0天左右,育雏过程分育雏初期、中期、末期三阶段;雏鸟的食物以鱼类、蛙类为主。Incubation and parental care behavior of Ardea cinerea were observed for 2 years (March~June of 1999 and 2000) in Chaoyang County, Liaoning Province. The most time of incubation was conducted by females with a incubation period of about 24~27 days and average incubation rate of 93.5%. The chickens were altricial and the parental care period lasted for 40~50 days, including three stages. The great majority of food was fish and amphibian.
分 类 号:S865.3[农业科学—野生动物驯养]
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.117