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308 results for “bromeliads”

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zenodo36/100

Figure 3 in Population dynamics, age structure and sex ratio of the bromeliad-dwelling jumping spider, Psecas chapoda (Salticidae)

Figure 3. Climatic data from Itauna farm (5 km from the study site), from May 1998 to April 2000.

opencc-by-4.0Dec 2010View details →

zenodo36/100

Figure 2 in Diet of bromeliad-frog Phyllodytes luteolus (Anura, Hylidae) in Atlantic Forest environments: what have the frogs been eating outside sandy coastal plains?

Figure 2. Non-metric multidimensional scaling (NMDS) plot for prey presence. The represented populations of P. luteolus in lowland forest (triangles), sandy coastal plains (circles) and island (squares) environments in Espírito Santo State, southeastern Brazil.

opencc-by-nc-4.0Jul 2019View details →

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Figure 1 in Diet of bromeliad-frog Phyllodytes luteolus (Anura, Hylidae) in Atlantic Forest environments: what have the frogs been eating outside sandy coastal plains?

Figure 1. Study sites in Espírito Santo State, southeastern Brazil. Dark gray points represent the sampled Phyllodytes luteolus populations.

opencc-by-nc-4.0Jul 2019View details →

dryad36/100

Data from: Disentangling the factors that shape bromeliad and ant communities in the canopies of cocoa agroforestry and preserved Atlantic Forest

In tropical forest canopies, host tree characteristics shape epiphyte communities, and both host tree characteristics and epiphytes determine invertebrate communities, e.g., ants. Tree height is among the factors most often mentioned as a strong predictor for both bromeliad and ant communities. However, many factors interact dynamically in shaping the tree-bromeliad-ant association. Here, we investigated the effects of the host tree and canopy structural characteristics on both bromeliads and ants. We sampled bromeliads on 180 trees and ants in 360 bromeliads living on a subset of 60 of those trees in a continuum of native forest fragments and agroforestry systems in the Atlantic Forest, a Brazilian biodiversity hotspot. We found that the host trees' crown area had a positive effect on the abundance of bromeliads. Also, the introduced tree species had higher abundance of bromeliads than native tree species. Moreover, we found that the ant species composition was different between native and introduced trees. In addition, we observed a positive effect of the size of bromeliads and tree crown height on ant species richness on both bromeliad and tree scales, but there was no effect of tree height. Taken together, our findings highlight the importance of trees with large crowns for the maintenance of bromeliads, which are also associated with richer ant communities in both Atlantic Forest and agroforestry systems. These results emphasize the importance of trees with larger crowns for biodiversity conservation in both native forest fragments and agroforestry systems.

opencc-zeroSep 2021View details →

dryad36/100

Effects of warming on structure of aquatic communities in tropical bromeliad microecosystems

Freshwaters are among the most vulnerable ecosystems to climate warming, with projected temperature increases over the coming decades leading to significant losses of aquatic biodiversity. Experimental studies that directly warm entire natural ecosystems in the tropics are needed, for understanding the disturbances in aquatic communities. Therefore, we conducted an experiment to test the impacts of predicted future warming on density, alpha diversity, and beta diversity of freshwater aquatic communities, inhabiting natural microecosystems – Neotropical tank bromeliads. Aquatic communities within the tank bromeliads were experimentally exposed to warming, temperatures ranging from 23.58 to 31.72°C. Linear regression analysis was used to test the impacts of warming. Next, distance-based redundancy analysis was performed to assess how warming might alter total beta diversity and its components. This experiment was conducted across a gradient of habitat size (bromeliad water volume) and availability of detrital basal resources. A combination of the highest detritus biomass and higher experimental temperatures resulted in the greatest density of flagellates. However, the density of flagellates declined in bromeliads with higher water volume and lower detritus biomass. Moreover, the combination of the highest water volume and high temperature reduced density of copepods. Finally, warming changed microfauna species composition, mostly through species substitution (βrepl component of total beta-diversity). These findings indicate that warming strongly structures freshwater communities by reducing or increasing densities of different aquatic community groups. It also enhances beta-diversity, and many of these effects are modulated by habitat size or detrital resources.

opencc-zeroFeb 2023View details →

zenodo36/100

Transcriptome data from silica-preserved leaf tissue reveals gene flow patterns in a Caribbean bromeliad

Transcriptome sequencing is a cost-effective approach that allows researchers to study a broad range of questions. However, to preserve RNA for transcriptome sequencing, tissue is often kept under special conditions, such as immediate ultracold freezing. Here, we demonstrate that RNA can be obtained from six-month-old, field-collected samples stored in silica gel at room temperature. Using these transcriptomes, we explore the evolutionary relationships of the genus Pitcairnia (Bromeliaceae) in the Dominican Republic and infer barriers to gene flow.

opencc-by-4.0Jun 2023View details →

dryad36/100

Data from: Novel microsatellite markers for epiphytic bromeliad Tillandsia recurvata L., in an urban landscape in South-eastern Brazil

The authors present seven novel microsatellite markers for Tillandsia recurvata L. The genome assemble sequences of T. recurvata were obtained from NCBI (7.2Gb) (Sayers et al. 2022). The BioProject Accession and accession numbers are PRJNA701548 and SRX10089449, respectively. The microsatellite identification software Krait (0.5.2) (Du et al. 2018) was used to detect suitable microsatellites, both genome-wide and in the noncoding regions of T. recurvata. The single sequence repeats (SSRs) were refined to a minimum number of seven repeats of di-, tri-, or tetra-nucleotide repeat motifs. These sequences were further limited to SSRs of more than 100bp in length and low GC content (<50%). Krait (0.5.2) (Du et al. 2018) was also used to design the primers for the selected SSR sequences, in conjunction with the integrated Primer3 software. The criteria for primer selection included: a primer length of 18-26bp, an optimal melting temperature (Tm) of 54-59°C and GC content of <50%. These designed primers were single-plexed and amplified using the following PCR cycle: initial denaturation (95°C for 3 min), 34 cycles of 95°C for 30s, annealing for 30s (JP01-JP12: 54°C, 4873TD + 35251TD: 56°C, 19286TD: 53°C, 5044TD + 186664TD + 214633TD: 58°C), 72°C for 1 min and a final extension of 72°C for 5 mins. The authors make this information available to other researchers, to continue the investigation of epiphyte genetics.

opencc-zeroJun 2023View details →

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