Google Search Baidu Search
(多个关键字请用"空格"格开)
您当前的位置:首页 > 科研成果 > 论文
论文

The innate responses of bumble bees to flower patterns: separating the nectar guide from the nectary changes bee movements and search time 

 
论文编号:
作者: Goodale E
刊物名称: Naturwissenschaften
所属学科:
论文题目英文: The innate responses of bumble bees to flower patterns: separating the nectar guide from the nectary changes bee movements and search time
年: Jun 2014
卷: 101
期: 6
页: 523-526
联系作者: Nieh JC
收录类别:
影响因子: 1.971
参与作者:
备注:
摘要:

Nectar guides can enhance pollinator efficiency and plant fitness by allowing pollinators to more rapidly find and remember the location of floral nectar. We tested if a radiating nectar guide around a nectary would enhance the ability of naïve bumble bee foragers to find nectar. Most experiments that test nectar guide efficacy, specifically radiating linear guides, have used guides positioned around the center of a radially symmetric flower, where nectaries are often found. However, the flower center may be intrinsically attractive. We therefore used an off-center guide and nectary and compared "conjunct" feeders with a nectar guide surrounding the nectary to "disjunct" feeders with a nectar guide separated from the nectary. We focused on the innate response of novice bee foragers that had never previously visited such feeders. We hypothesized that a disjunct nectar guide would conflict with the visual information provided by the nectary and negatively affect foraging. Approximately, equal numbers of bumble bees (Bombus impatiens) found nectar on both feeder types. On disjunct feeders, however, unsuccessful foragers spent significantly more time (on average 1.6-fold longer) searching for nectar than any other forager group. Successful foragers on disjunct feeders approached these feeders from random directions unlike successful foragers on conjunct feeders, which preferentially approached the combined nectary and nectar guide. Thus, the nectary and a surrounding nectar guide can be considered a combination of two signals that attract naïve foragers even when not in the floral center.

论文下载: 下载地址
   

关闭窗口

返回首页

CAS-MART.png
数字标本.png
东南亚中心2.jpg
前往中国植物园联盟网站
W020160606696316538360.jpg
屏幕快照 2018-07-04 09.56.59.png