Tracking Bat‐Dispersed Seeds Using Fluorescent Pigment 1
Tracking Bat‐Dispersed Seeds Using Fluorescent Pigment 1
复制标题
使用荧光颜料 1 追踪蝙蝠传播的种子
DOI：
10.1111/j.1744-7429.2006.00111.x
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发表时间：
2005
期刊：
影响因子：
2.1
通讯作者：
F. Geronimo
中科院分区：
文献类型：
--
作者：
J. Reiter;E. Curio;B. Tacud;H. Urbina;F. Geronimo
跟踪热带雨林中食果动物种子的传播对于我们进一步了解植物-食果性动物的相互作用及其对森林更新和植物种群动态的影响至关重要。我们测试了在菲律宾低地热带雨林中利用荧光色素追踪蝙蝠散布种子的可行性。将该粉剂与丙酮混合后，喷洒在无花果树的成熟果实上。在使用手持紫外线灯进行夜间监测期间，可以成功地检测到蝙蝠沉积(含种子的喷溅和粪便)。记录沉积部位到焦点树的距离和方向，并分析种子阴影区域。蝙蝠将大部分种子散布在距亲本不到50米的地方，形成了0.30公顷的种子阴影区。一项现场水果偏好实验表明，荧光粉不太可能阻止蝙蝠捕食成熟的无花果。总而言之，这项技术简单、廉价、非侵入性，适用于不同的研究领域，并允许人们追踪已知来源的种子的命运。
Tracking the dispersal of seeds by fruit‐eating animals in tropical rain forests is crucial to further our understanding of plant–frugivore interactions and their impacts upon forest regeneration and plant population dynamics. We tested the feasibility of tracking bat‐dispersed seeds in a Philippine lowland rain forest with the help of fluorescent pigment. The powder was mixed with acetone and sprayed to ripe fruits of fig trees, i.e., Ficus septica and F. variegata. During nightly monitoring using a hand‐held ultraviolet lamp bat deposits (seed‐containing spat outs and feces) could successfully be detected. Distances and directions of deposit sites to the focal trees were recorded and seed shadow areas were analyzed. Bats dispersed most of the seeds less than 50 m away from the parent plants resulting in seed shadow areas < 0.30 ha in size. An in situ fruit preference experiment showed that fluorescent powder is unlikely to deter bats from feeding on ripe figs. In conclusion, the technique is simple, inexpensive, noninvasive, applicable to different fields of research and allows one to follow the fate of seeds from known sources.