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395 results for “floristics”
One-hectare fine-scale dataset of a fynbos plant community in the Cape Floristic Region
<p>Cape fynbos, which forms part of the Cape Floristic Region (CFR) of South Africa, a global biodiversity hotspot, is renowned for its high levels of plant species endemism and diversity. This extraordinary ecosystem, characterised by nutrient-poor soils and fire-adapted vegetation, is a treasure trove of endemic flora. However, this fragile system faces increasing threats from habitat loss, climate change, and invasive species. Pristine fynbos, naturally high in plant diversity and which forms a large part of the CFR, presents an ideal opportunity to gather fine-scale data on community assembly patterns. Most fynbos vegetation surveys use a plot size of about 100 m2, with no spatial structures within plots to demarcate individual subplots. Here, a groundbreaking dataset is presented that fully covers 1-hectare of pristine fynbos, systematically gridded into 50 × 50 subplots, each measuring 2 × 2 m, arranged evenly within a square-shaped survey site. Each plot was assigned a unique Y–X coordinate combination. For each plot, all plant species present were recorded, along with their total percentage covers and maximum height values. Total percentage covers were also recorded for bare soil, rock, and termite mounds. This dataset provides a valuable contribution to the field of fynbos ecology, as well as plant community ecology in general, and establishes a benchmark for future one-hectare surveys of similar fynbos vegetation types, delineating the fine-scale composition and structure of fynbos in the CFR. The dataset will be useful for a wide audience, including community and spatial ecologists, plant and environmental scientists, and biodiversity informaticians and statistical ecologists, offering ideal data for testing new metrics of diversity and compositional turnover. Data in Brief, Volume 59, April 2025, 111334: <a title="Persistent link using digital object identifier" href="https://doi.org/10.1016/j.dib.2025.111334" target="_blank" rel="noreferrer noopener"><span><span>https://doi.org/10.1016/j.dib.2025.111334</span></span></a></p>
Floristic regions of the world (geopackage)
<p>A. Takhtajan defined 35 floristic regions in the world (Takhtajan 1986). The delineation of such floristic regions has been manually georeferenced and is provided here as a spatial vectorial data file (geopackage), suitable to be used in any GIS or mapping software (coordinate reference system: EPSG 4326).</p> <p>If using this dataset, please cite both Takhtajan's book as well as this data source:</p> <p>Takhtajan, A. 1986. Floristic Regions of the World. Berkeley: University of California Press.</p> <p>Rodríguez-Sánchez, Francisco. 2023. Takhtajan's floristic regions of the world (geopackage). https://doi.org/10.5281/zenodo.8206377</p> <p>Funding: Fondo Europeo de Desarrollo Regional (FEDER) and Consejería de Transformación Económica, Industria, Conocimiento y Universidades of Junta de Andalucía (proyecto US-1381388, Universidad de Sevilla).</p>
A comprehensive floristic knowledge of the largest Atlantic Forest fragment of the Fluminense Paraíba do Sul River Valley, Rio de Janeiro, Brazil
<p>The “<em>Serra da Concórdia</em>” is part of the Atlantic Forest phytogeographical domain in the Brazilian state of Rio de Janeiro and it has a predominant phytophysiognomy of Semideciduous Seasonal Forest. This region underwent intense habitat loss and fragmentation during the 19<sup>th</sup> century, due to coffee plantations and later pastures. With the decline of these activities, the areas were abandoned, triggering secondary succession. In 2002, the “<em>Parque Estadual da Serra da Concórdia</em>” was established in this region to preserve the remaining forest fragments. The updated list of vascular plants recorded in this protected area, published in the “<em>Catálogo de Plantas das Unidades de Conservação do Brasil</em>”, is presented here, along with information on richness, endemism, and conservation status.</p>
Vegetation of post-mining areas, Upper Silesia, Poland (Floristic composition of the plots_November_2022)
<p><span><span>The data set containing a list of plant species in the research plots along with their percentage coverage.</span></span> <span><span>The selection of plots took into account the occurrence of the dominant species (cover > 40% of the study plot area).</span></span> <span><span>The dominant species represent functional groups: monocots, forbs and legumes.</span></span></p>
Post-Tubbs Fire Chaparral Floristic Survey at Pepperwood Preserve in the California Coast Ranges 2018-2019
The Dwight Center for Conservation Science at Pepperwood is an ecological institute dedicated to educating, engaging, and inspiring our community through habitat preservation, science-based conservation, leading-edge research, and interdisciplinary educational programs. Our mission is to steward the life and landscapes of the 3,200-acre Pepperwood Preserve and to advance science-based conservation of ecosystems throughout our region and beyond. Following the October 2017 Tubbs Fire, Pepperwood hired Nomad Ecology, LLC, to implement Nomad Ecology's post-fire research program at Pepperwood. Specifically, Nomad Ecology conducted a two-year study of post-fire plant diversity and succession in chaparral at the preserve. Species richness and ecological dynamics are not well understood in these post-fire areas (especially in northern California) despite high interest from land managers, ecologists, and botanists. Documentation of the post-fire flora and the sensitive species that are part of this fleeting diversity is essential to understanding the full range of natural resources associated with chaparral ecosystems, and thus key to developing conservation goals specific to Pepperwood. This study documented the burn severity and diversity and abundance of the fleeting post-Tubbs Fire flora in spring 2018 and 2019 using species ocular cover estimates across ten 50-meter belt transects in four different soil types: rhyolite, fluvial and lacustrine deposits, andesite, and serpentinite.
Floristic Diversity of the Experimental Watersheds, Hubbard Brook Experimental Forest
While tree species succession and response to disturbance has been extensively researched, little similar effort has focused on understory herbaceous communities. This study conducted the first complete botanical inventories, with ranked abundance estimates, of the experimental watersheds of the Hubbard Brook Experimental Forest (HBEF), compared their relative floristic characters, and provided baseline data for long-term diversity monitoring at HBEF. Five of these watersheds were composed of mature (90 - 100 year old) secondary-growth forest, while two were young (16 and 26 year old) tertiary-growth forests recovering from conventional clear-cutting treatments. Floristic similarities were analyzed using ANCOVA, dominance-diversity curves, and similarity matrices. These data were gathered as part of the Hubbard Brook Ecosystem Study (HBES). The HBES is a collaborative effort at the Hubbard Brook Experimental Forest, which is operated and maintained by the USDA Forest Service, Northern Research Station.
Fig. 1 in New scale insects (Homoptera: Coccinea) from the Cape Floristic Region
Fig. 1. South Africa, Western Cape Prov., banks of the Lower Palmiet River, the type locality of the new species.
Data from: Differential patterns of floristic phylogenetic diversity across a post-glacial landscape
<p>Abstract: Aim: In this study, we explored spatial patterns of phylogenetic diversity and endemism in the flora of Norway and tested hypothesized post-glacial environmental drivers of phylogenetic diversity, including temperature, precipitation, edaphic factors, and time since glacial retreat.<br> <br> Location: Norway.<br> <br> Taxon: Vascular plants (Trachaeophyta).<br> <br> Methods: We produced a multi-locus Maximum Likelihood (ML) phylogeny using a combination of newly produced DNA sequences from herbarium specimens and sequences available from public repositories. We combined the phylogeny with species occurrence data to estimate phylogenetic diversity and phylogenetic endemism across Norway, using a spatial randomization to judge statistical significance. We used multiple-model inference to identify environmental variables that contributed the most to the patterns of phylogenetic diversity. Finally, we estimated phylogenetic turnover and used this to identify Norwegian plant assemblages in terms of composition and evolutionary history.<br> <br> Results: Our ML phylogeny contained 87% of all currently described native Norwegian vascular plants. Assemblages were phylogenetically overdispersed in warmer and wetter regions of Norway, as well as in regions with a longer post-glacial history. In cold and dry regions, plant assemblages were phylogenetically clustered, and characterised by neo-endemism, while the mild and wet regions were characterised by both paleo- and neo-endemism. Phylogenetic diversity was positively correlated with summer temperature and habitat heterogeneity, and peaked in the southeast of Norway.<br> <br> Main conclusions: Both contemporary ecological factors (climate and habitat heterogeneity), and post-glacial history seem to have shaped the phylogenetic structure of the flora of Norway. The flora in the far north of Norway appear to be a result of recent diversification while the coastal regions are assemblages of deeper lineages. Our results suggest that there is an evolutionary signal in the distribution of the Norwegian vascular flora.</p>
Data and code for publication: "Floristic Patterns in the Andes of Northern Patagonia's Forests"
<p>This dataset supports the study "Floristic Patterns in the Andes of <br>Northern Patagonia's Forests" published in Vegetation Classification and Survey, which<br>investigates the relationship between plant communities and environmental drivers in <br>the Andes of northwest Patagonia, Argentina. It also employs both expert-based and <br>numerical classification methods to explore floristic patterns across steep gradients <br>of aridity and temperature. The project provides a detailed dataset of 141 vegetation <br>samples, using advanced statistical methods to define six distinct plant communities <br>and their environmental drivers. It aims to refine existing vegetation classifications <br>for the study area and inform conservation efforts.</p>
Floristic survey of vascular plants of the Pantanal Park Road in Mato Grosso do Sul, Brazil
<p>The Pantanal is one of the largest floodplains and the most extensive tropical wetland in the world, covering approximately 139,000 km². It is located in central South America, covering areas in Bolivia, Paraguay, and the Brazilian states of Mato Grosso and Mato Grosso do Sul. Flora inventories of the Pantanal have shown a varied species richness, ranging from 1,872 to 2,567 species. The Pantanal Park Road (PPR) is an area of special tourist interest located within the Pantanal of Mato Grosso do Sul and covers 6,700 km², passing through the municipalities of Corumbá and Ladário. This data paper plays a crucial role in organizing and disseminating essential information on local flora, recognizing the value of floristic surveys for understanding regional biodiversity and informing conservation efforts. It aimed to provide information to guide public policies for preserving local biodiversity. The floristic survey was generated by combining data from field expeditions with botanical databases, such as JABOT and SpeciesLink. Additional information included life form, substrate type, conservation status, and species distribution across Brazilian biomes and states, obtained from Flora e Funga do Brasil using the flora package. Data from Flora e Funga do Brasil were also used to identify new occurrences among the listed species. The vascular plant list of the PPR included 755 species. Most species throughout the PPR were classified as herbs, followed by shrubs or subshrubs, climbers, and trees. Thirty species with a known response to fire were identified, of which eight are fire-sensitive, two are fire-tolerant, and 21 are fire-stimulated. Of the total species recorded, 710 are native to Brazil, with eight species endemics to Mato Grosso do Sul, ten to the Pantanal, and four specifically to the Pantanal in Mato Grosso do Sul. According to the Red List Category from the National Center for Plant Conservation in Brazil, the PPR contains two species classified as Data Deficient (DD), 71 as Least Concern (LC), three as Near Threatened (NT), four as Vulnerable (VU), four as Endangered (EN), and one as Critically Endangered (CR).</p>
Fig. 9 in Floristic analyses of the Corsican flora: biogeographical origin and endemism
Fig. 9. – Proportion of taxa of the various biogeographical origins for each endemic element. [n = number of taxa in each category]
Fig. 7 in Floristic analyses of the Corsican flora: biogeographical origin and endemism
Fig. 7. – Proportion of taxa in each vegetation belt, for each endemic element. [Al: alpine; Sa: subalpine; Or: cryo-oromediterranean; Mo: montane; Sm: supramediterranean; Me: mesomediterranean; Tm: thermomediterranean; Li: coastal zone]
Fig. 6A in Floristic analyses of the Corsican flora: biogeographical origin and endemism
Fig. 6A –Relationship between the number of taxa and the altitude (as expressed by vegetation belts). [Li: coastal zone; Tm: thermomediterranean; Me: mesomediterranean; Sm: supramediterranean; Mo: montane; Or: cryo-oromediterranean; Sa: subalpine; Al: alpine]
Fig. 2 in Floristic analyses of the Corsican flora: biogeographical origin and endemism
Fig. 2. – Biogeographical origin of the native non-endemic flora for each abundance class. [n = total in each category; D? = probably extinct; RR = very rare; R = rare; PF = infrequent or disseminated; LOC = localised; C = common; CC = very common]
Fig. 5 in Floristic analyses of the Corsican flora: biogeographical origin and endemism
Fig. 5. – Relationship (logarithmic mode) between species richness (endemic taxa) of each vegetation belt and their surface area. [Li: coastal zone; Tm: thermomediterranean; Me: mesomediterranean; Sm: supramediterranean; Mo: montane; Or: cryo-oromediterranean; Sa: subalpine; Al: alpine]
Fig. 4 in Floristic analyses of the Corsican flora: biogeographical origin and endemism
Fig. 4. – Relative Relative proportion of abundance classes in each endemic element. [n = number of taxa in each category; CC = very common; C = common; PF = infrequent or disseminated; LOC = localised; R = rare; RR = very rare; D = probably extinct]
Fig. 8 in Floristic analyses of the Corsican flora: biogeographical origin and endemism
Fig. 8. – Proportion of taxa in each substrate type, for each endemic element. [n = number of taxa in each category]
Fig. 6B in Floristic analyses of the Corsican flora: biogeographical origin and endemism
Fig. 6B – Comparison of the number of vegetation belts occupied by the endemic taxa and the non-endemic native taxa. [% total taxa of each category]
Floristic survey of vascular plants of a poorly known area in the Brazilian Atlantic Forest (Flona do Rio Preto, Espírito Santo)
<p>The Atlantic Forest is one of the most threatened biomes in the world. Despite that, this biome still includes many areas that are poorly known floristically, including several protected areas such as the "Floresta Nacional do Rio Preto" ("Flona do Rio Preto"), located in the Brazilian state of Espírito Santo. This study used a published vascular plant species list for this protected area from the "Catálogo de Plantas das Unidades de Conservação do Brasil" as the basis to synthesize the species richness, endemism, conservation, and new species occurrences found in the "Flona do Rio Preto".</p> <p>The published list of vascular plants was based on field expeditions conducted between 2018-2020 and data obtained from herbarium collections available in online databases. Overall, 722 species were documented for the "Flona do Rio Preto", 711 of which are native to Brazil, and 349 are endemic to the Atlantic Forest. In addition, 60 species are geographically disjunct between the Atlantic and the Amazon forests. Most of the documented species are woody, and more than 50% of these are trees. Twenty-three species are threatened (CR, EN, and VU), while five are Data Deficient (DD). Thirty-two species are new records for the state of Espírito Santo. Our results expand the knowledge of the flora of the Atlantic Forest and provide support for the development of new conservation policies for this protected area.</p>
Fig. 5 in Floristic traits and biogeographic characterization of the Gennargentu massif (Sardinia)
Fig. 5. – Percentages of the chorologic units of the endemic flora of Gennargentu. EMOI = W-Mediterranean insular endemics; ETI = Tyrrhenian insular endemics; ET = Tyrrhenian endemics; ETI-NA = Tyrrhenian insular and N-Africa endemics; ESS = Sardinia and Sicily endemics; ESC = Sardo-Corsican endemics; ESA = Sardinian endemics.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.