DOI: 10.5061/dryad.59zw3r2f1
title: Dataset: Plant-mediated effects of fire and fragmentation drive plant–pollinator interaction β-diversity in fire-dependent pine savannas

description: Interaction β-diversity is a measure essential for understanding and
 conserving species interactions and ecosystem functioning. Interaction
 β-diversity explains the variation in species interactions across spatial
 and temporal gradients, resulting from species turnover or interaction
 rewiring. Each component of interaction β-diversity has different
 ecological implications and practical consequences. While interaction
 β-diversity due to species turnover is related to assembly processes and
 fragmentation, rewiring can support high biodiversity and confer
 resilience to ecological networks. However, it is unclear whether both
 components respond to the same or different ecological drivers. Here, we
 assessed the ecological drivers of plant–pollinator interaction
 β-diversity and its components across 24 sites in 9 longleaf pine (LLP)
 savannas in north and central Florida. We evaluated the effects of
 flowering plant composition and flower abundance, vegetation, fire regime,
 soil moisture, terrain characteristics, climate, spatial context and
 geographic location. We used path analysis to evaluate the drivers of
 spatial interaction β-diversity and its main components. We then used
 generalized linear mixed models to assess the temporal patterns of spatial
 β-diversity among sites within preserves. We found that plant–pollinator
 networks in LLP savannas are highly variable across space and time, mainly
 due to species turnover and possibly in response to abiotic gradients and
 dispersal boundaries. Flower abundance and flowering plant composition,
 geographic location, fire seasonality, soil moisture, and landscape
 context were the main drivers of plant–pollinator β-diversity,
 highlighting the role of fire management and habitat connectivity in
 preserving plant–pollinator networks.
description: The dataset includes the data for pollination beta diversity and
 its partition among rewiring and interaction turnover, as well as
 ecological distances and factors used in the analysis for
 "Plant-mediated effects of fire and fragmentation drive
 plant–pollinator interaction β-diversity in fire-dependent pine
 savannas". Please, see the manuscript for more details about the data
 collection and process. 
description: # Dataset: Plant-mediated effects of fire and fragmentation drive
 plant-pollinator interaction β-diversity in fire-dependent pine savannas
 [https://doi.org/10.5061/dryad.59zw3r2f1](https://doi.org/10.5061/dryad.59zw3r2f1) This dataset accompanies the analyses in "Plant-mediated effects of fire and fragmentation drive plant–pollinator interaction β-diversity in fire-dependent pine savannas". The data was collected in pine savannas in North and Central Florida during a whole flowering season. The datasets include the response and causal variables linking beta diversity of plant-pollinator interactions and its partitions (i.e., interaction rewiring and interaction beta diversity due to species turnover), in response to multiple environmental factors, including floral characteristics (i.e., flowering plant abundance and richness), vegetation structure (i.e., LAI across vegetation strata, and *in-situ* measurements), fire regime (i.e., fire frequency and seasonality), soil moisture, surrounding landscape, climate, and geographic distances. ## Description of the data and file structure The dataset includes matrices for: * Beta-diversity of plant-pollinator interactions: * PWBeta\_RegPlot\_wide: spatial beta diversity among 24 sites (pooled for the whole flowering season) * PWUniqueS\_RegPlot\_wide: spatial beta diversity due to species turnover among 24 sites (pooled for the whole flowering season) * PWRewiring\_RegPlot\_wide: spatial interaction rewiring among 24 sites (pooled for the whole flowering season) * Environmental matrices: * distance\_aflowersSc: Scaled Euclidean distance of Hellinger transformed flower abundances among 24 sites (pooled for the whole flowering season) * distance\_cflowersCl: Jaccard dissimilarity of insect-pollinated plant presences and absences among 24 sites (pooled for the whole flowering season) * distance\_LAISc: Scaled Mahalanobis distance of LAI by vegetation stratum: understory (0.5-1 m), low-story (1-3 m), midstory (3-6 m), and overstory (&gt; 6 m) among 24 sites (pooled for the whole flowering season) * distance\_veg: Scaled Mahalanobis distance of litter, maximum shrub height, and soil cover (median and SD) among 24 sites (pooled for the whole flowering season) * distance\_dfireSc: Scaled Euclidean distance of Hellinger transformed number of fires across two management seasons: growing (March-August), and dormant (September-February) among 24 sites (pooled for the whole flowering season) * distance\_tfireSc: Scaled Euclidean distance of total number of prescribed fires since 1990 among 24 sites (pooled for the whole flowering season) * distance\_smoistSc: Scaled Euclidean distance of average soil moisture among 24 sites (pooled for the whole flowering season) * distance\_regVegSc: Scaled Mahalanobis distance of percent area within 500 m of the site center corresponding to: sandhill habitats, woodlands, grasslands and pastures, farmlands, urban and suburban settlements, and open waters among 24 sites (pooled for the whole flowering season) * distance\_terrainSc: Scaled Mahalanobis distance of mean and SD of elevation and slope and mean aspect among 24 sites (pooled for the whole flowering season) * distance\_weatherSc: Scaled Mahalanobis distance of weather measurements: temperature, relative humidity and wind speed among 24 sites (pooled for the whole flowering season) * distance\_geographySc: Scaled Euclidean distances among site center’s UTM coordinates among 24 sites (pooled for the whole flowering season) * Matrix with all the data for the temporal analysis: * sptempBeta.measure: data to perform the analyses of monthly variation for beta diversity of plant-pollinator interactions within study preserves * Month: Indicates month of each survey * Region: Indicates region of study, with three groups South, NW, and NE. The 'South' Region includes sites in Chassahowitzka Wildlife Management Area, Withlacoochee State Forest (Citrus Tract), and Withlacoochee State Forest (Croom Tract). The 'NW' Region includes sites in River Rise Preserve State Park, Fort White Wildlife Environmental Area, and Bell Ridge Wildlife Environmental Area (including the privately-owned Canaan Ranch). The 'NE' Region includes sites in Ordway-Swisher UF Biological Station, Jennings State Forest, and Black Creek Ravines Conservation Area. * Site: Indicates the study preserves, where WIN = Withlacoochee State Forest (Citrus Tract), WIS = Withlacoochee State Forest (Croom Tract), CH = Chassahowitzka Wildlife Management Area, BR = Bell Ridge Wildlife Environmental Area (including the privately-owned Canaan Ranch), OR = Ordway-Swisher UF Biological Station, JE = Jennings State Forest, BC = Black Creek Ravines Conservation Area, FW = Fort White Wildlife Environmental Area, and RR = River Rise Preserve State Park. * BInt refers to the beta diversity among study sites within each preserve where WIN, WIS, FW, BR, JE and OR had 3 sites, and CH, RR, and BC had 2 sites * BInt refers to the beta diversity among study sites with presence-absence data of plant-pollinator interactions within each preserve where WIN, WIS, FW, BR, JE and OR had 3 sites, and CH, RR, and BC had 2 sites * BST refers to beta diversity among study sites within each preserve explained by species turnover where WIN, WIS, FW, BR, JE and OR had 3 sites, and CH, RR, and BC had 2 sites * BST\_PA refers to beta diversity among study sites within each preserve explained by species turnover with presence-absence data of plant-pollinator interactions where WIN, WIS, FW, BR, JE and OR had 3 sites, and CH, RR, and BC had 2 sites * BRW refers to interaction rewiring among study sites within each preserve where WIN, WIS, FW, BR, JE and OR had 3 sites, and CH, RR, and BC had 2 sites * BRW\_PA refers to interaction rewiring among study sites within each preserve with presence-absence data of plant-pollinator interactions where WIN, WIS, FW, BR, JE and OR had 3 sites, and CH, RR, and BC had 2 sites * FlowerAb refers to the scaled and centered flowering plant abundance, measured as the number of flowering plant stems in independent flowering plant surveys (in 4 transects and 5 sampling plots) * Chao1 refers to the scaled Chao 1 diversity index calculated from the aforementioned monthly flower abundance data calculated for the whole preserve * FRichness refers to the scaled flowering plant richness based on the flowering stems found in independent flower surveys on transects and sampling plots calculated for the whole preserve * FEve refers to the scaled Pielou's evenness J from the aforementioned monthly flowering plant abundances calculated for the whole preserve ## Sharing/Access information All the data was collected expressly for the work in "Plant-mediated effects of fire and fragmentation drive plant–pollinator interaction β-diversity in fire-dependent pine savannas" as well as associated projects. Collaborators and field assistants spent months gathering, curating, and processing the data. While this data is of free access and use, please be mindful of our time. We would be happy to collaborate on ideas that rely primarily, or at least heavily, in our dataset. There are many ideas and projects that we are currently developing or planning to develop in the future; unfortunately, we haven't had enough time to implement many yet. Thank you for your understanding! ## Code/Software All the data processing was performed in R v.4.2.0, assisted by multiple R packages (for more information please see "Plant-mediated effects of fire and fragmentation drive plant-pollinator interaction β-diversity in fire-dependent pine savannas")