Unraveling plant-pollinator interactions from a south-west Andean forest in Colombia [PeerJ]
Por um escritor misterioso
Last updated 27 março 2025
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Background Loss of biological connectivity increases the vulnerability of ecological dynamics, thereby affecting processes such as pollination. Therefore, it is important to understand the roles of the actors that participate in these interaction networks. Nonetheless, there is a significant oversight regarding the main actors in the pollination networks within the highly biodiverse forests of Colombia. Hence, the present study aims to evaluate the interaction patterns of a network of potential pollinators that inhabit an Andean Forest in Totoró, Cauca, Colombia. Methods The interactions between plants and potential pollinators were recorded through direct observation in 10 transects during six field trips conducted over the course of one year. Subsequently, an interaction matrix was developed, and network metrics such as connectance, specialization, nestedness, and asymmetry of interaction strength were evaluated by applying null models. An interpolation/extrapolation curve was calculated in order to assess the representativeness of the sample. Finally, the key species of the network were identified by considering degree (k), centrality, and betweenness centrality. Results A total of 53 plant species and 52 potential pollinator species (including insects and birds) were recorded, with a sample coverage of 88.5%. Connectance (C = 0.19) and specialization (H2’ = 0.19) were low, indicating a generalist network. Freziera canescens, Gaiadendron punctatum, Persea mutisii, Bombus rubicundus, Heliangelus exortis, Chironomus sp., and Metallura tyrianthina were identified as the key species that contribute to a more cohesive network structure. Discussion The present study characterized the structure of the plant-pollinator network in a highly diverse Andean forest in Colombia. It is evident that insects are the largest group of pollinators; however, it is interesting to note that birds form a different module that specializes in pollinating a specific group of plants. On the other hand, the diversity and generality of the species found suggest that the network may be robust against chains of extinction. Nevertheless, the presence of certain introduced species, such as Apis mellifera, and the rapid changes in vegetation cover may affect the dynamics of this mutualistic network. So, it is imperative to apply restoration and conservation strategies to these ecosystems in order to enhance plant-animal interactions and prevent the loss of taxonomical and functional diversity.
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CREAF's Annual Report 2016 by CREAF - Issuu
![Unraveling plant-pollinator interactions from a south-west Andean forest in Colombia [PeerJ]](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs13744-020-00804-8/MediaObjects/13744_2020_804_Fig4_HTML.png)
Bee-Plant Interaction Networks in a Seasonal Dry Tropical Forest of the Colombian Caribbean
![Unraveling plant-pollinator interactions from a south-west Andean forest in Colombia [PeerJ]](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs13744-020-00804-8/MediaObjects/13744_2020_804_Fig2_HTML.png)
Bee-Plant Interaction Networks in a Seasonal Dry Tropical Forest of the Colombian Caribbean
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The evolution, ecology, and conservation of hummingbirds and their interactions with flowering plants - Leimberger - 2022 - Biological Reviews - Wiley Online Library
![Unraveling plant-pollinator interactions from a south-west Andean forest in Colombia [PeerJ]](https://onlinelibrary.wiley.com/cms/asset/04741a97-b70c-4fcc-888e-24c7725dd90d/brv12828-fig-0003-m.jpg)
The evolution, ecology, and conservation of hummingbirds and their interactions with flowering plants - Leimberger - 2022 - Biological Reviews - Wiley Online Library
![Unraveling plant-pollinator interactions from a south-west Andean forest in Colombia [PeerJ]](https://www.frontiersin.org/files/Articles/714763/fpls-12-714763-HTML/image_m/fpls-12-714763-g001.jpg)
Frontiers The Taming of Psidium guajava: Natural and Cultural History of a Neotropical Fruit
![Unraveling plant-pollinator interactions from a south-west Andean forest in Colombia [PeerJ]](https://ars.els-cdn.com/content/image/1-s2.0-S1433831921000706-gr3.jpg)
A case for studying biotic interactions in epiphyte ecology and evolution - ScienceDirect
![Unraveling plant-pollinator interactions from a south-west Andean forest in Colombia [PeerJ]](https://i1.rgstatic.net/publication/369322201_Structure_and_characteristics_of_the_plant-frugivore_bird_network_from_the_Guilin_Botanical_Garden/links/641b2761315dfb4cce9fbd17/largepreview.png)
PDF) Structure and characteristics of the plant-frugivore bird network from the Guilin Botanical Garden
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Importance of pollinators in changing landscapes for world crops
![Unraveling plant-pollinator interactions from a south-west Andean forest in Colombia [PeerJ]](https://www.frontiersin.org/files/Articles/533041/fpls-11-01195-HTML/image_m/fpls-11-01195-g002.jpg)
Frontiers Unraveling the Spiraling Radiation: A Phylogenomic Analysis of Neotropical Costus L
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