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1,102 results for “plant diversity”
Species diversity of fungal endophytes across a stress gradient for plants
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Modern pollen–plant diversity relationships inform palaeoecological reconstructions of functional and phylogenetic diversity in calcareous fens
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Increased diversity by cushion plants enhances alpine community productivity and stability
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Invasion drives plant diversity loss through competition and ecosystem modification
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Stoichiometric traits (N:P) of understory plants contribute to reductions in plant diversity following long-term nitrogen addition in subtropical forest
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Data from: Abundance, origin and phylogeny of plants do not predict community-level patterns of pathogen diversity and infection
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Data from: Partitioning the effects of plant diversity on ecosystem functions at different trophic levels
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Soil nitrate and ammonium: Plant Colonization and Species Diversity in an Old Field
This experiment was set up in field "B" on August 23, 1990, within the mammalian herbivore exclosure fence (see E001). This experiment consists of 8 treatments with 6 replicates of each. The 48 plots were randomly assigned their treatment. Plot size is 1m x 1m. Each plot is divided into 4 equal portions. Three of these portions were labeled subplots 5, 6 and 7. The other portion was subdivided into 4 additional portions. The latter subplots were labeled 1, 2, 3 and 4. Thus, each main plot has 7 subplots of which 3 are 0.5m x 0.5m in size and 4 are 0.25m x 0.25m in size. Seeds of many species were collected from Cedar Creek Natural History Area in the fall of 1990 and some were purchased. These seeds were added in the spring of 1991 to the plots according to the following treatments: 1: Control 2: Lightly raked in spring 3: Seed of 29 species added 4: Seed of 29 species + raked 5: Seed of 29 species + Schizachyrium seed (8000/m2) 6: Seed of 29 species + Schizachyrium seed (8000/m2) + raked 7: Seed of Schizachyrium (8000/m2) + raked 8: Seedlings of Schizachyrium (144/m2) Percent cover estimates were done in the fall of 1990 to get baseline data of the species present in the plots before adding seeds. For a list of treatments and the amount of seeds of each species added, see the treatment layouts in file trmte85.
Ant responses to experimental warming and plant diversity:BAC: Biodiversity and Climate
Climate changes forecast for our region by GCM???s and shifts in biodiversity and composition each have the potential to alter ecosystem functioning; their interactive effects are unknown. The "BAC" experiment is designed to determine the direct and interactive effects of plant species numbers, plant community composition, temperature, and precipitation on 11 productivity, C and N dynamics, stability, and plant, microbe, and insect species abundances in CDR grassland ecosystems.
Genetic Diversity, Ecological Niches, and Climate Change Vulnerability of Aspens in the Upper Midwest:Common garden plant collection
Quaking aspen (Populus tremuloides) is the most cosmopolitan tree species in North America and an important native at Cedar Creek and across the Midwest. Aspen stands are quite common through eastern, central, and northern Minnesota, and occur sporadically in cool, wet microclimates across the Great Plains. Currently, these stands are in decline, are poorly reproducing in the wild, and are suffering from a range of stresses. Climate change associated phenomena, drought and altered freeze-thaw cycles, have contributed to massive aspen dieback, especially in the American West. We have received funding from the National Park Service to assess the genetic diversity and hybrid status, age structure and health, ecological niche and historical rate of range contraction, and drought and freezing tolerance physiology of an aspen stand of interest at the Niobrara National Scenic River (NNSR) in northern Nebraska. As part of this project, we are also studying genetic diversity and physiological vulnerability to climate change in quaking and bigtooth (P. grandidentata) aspen populations in Minnesota, Wisconsin, Iowa, South Dakota, and Nebraska. We will use genetic markers to identify genetically unique stands and compare growth and survival of these to populations of the parent species under different drought and freeze-thaw conditions. This study will allow us to better pinpoint the causes of decline in the NNSR aspen stands and aspen stands across the upper Midwest, and potentially provide guidance to managers on the prioritization of particular stands for conservation or in identifying genetic sources for any ex situ conservation or assisted migration.
Supplementary material 2 from: Darbyshire I, Timberlake J, Osborne J, Rokni S, Matimele H, Langa C, Datizua C, de Sousa C, Alves T, Massingue A, Hadj-Hammou J, Dhanda S, Shah T, Wursten B (2019) The endemic plants of Mozambique: diversity and conservation status. PhytoKeys 136: 45-96. https://doi.org/10.3897/phytokeys.136.39020
: Data type: species data
Supplementary material 1 from: Darbyshire I, Timberlake J, Osborne J, Rokni S, Matimele H, Langa C, Datizua C, de Sousa C, Alves T, Massingue A, Hadj-Hammou J, Dhanda S, Shah T, Wursten B (2019) The endemic plants of Mozambique: diversity and conservation status. PhytoKeys 136: 45-96. https://doi.org/10.3897/phytokeys.136.39020
: Data type: species data
Figure 3 from: Darbyshire I, Timberlake J, Osborne J, Rokni S, Matimele H, Langa C, Datizua C, de Sousa C, Alves T, Massingue A, Hadj-Hammou J, Dhanda S, Shah T, Wursten B (2019) The endemic plants of Mozambique: diversity and conservation status. PhytoKeys 136: 45-96. https://doi.org/10.3897/phytokeys.136.39020
Figure 3 Examples of the strict-endemic and near-endemic plants of Mozambique. ASclerochiton coeruleus, Maronga, Manica (I. Darbyshire) BAloe ribauensis, Ribaue, Nampula (I. Darbyshire) CStreptocarpus brachynema, Mount Gorongosa, Sofala (B. Wursten) DRaphia australis, Bilene, Gaza (H. Matimele) EVangueria monteiroi, Bilene, Gaza (H. Matimele) FMemecylon incisilobum, Bilene, Gaza (H. Matimele) GJamesbrittenia carvalhoi, Tsetserra, Manica (J. Osborne) HCryptostephanus vansonii, Mount Gorongosa, Sofala (B. Wursten) IOrbea halipedicola, Gorongosa National Park, Sofala (B. Wursten) JHelichrysum moorei, Chimanimani Mountains, Manica (B. Wursten) KEriolaena rulkensii, Palma Bay, Cabo Delgado (T. Rulkens) LBarleria torrei, Njesi Plateau, Niassa (J. Osborne) MXylopia torrei, Licuati Forest, Maputo (H. Matimele) NAeschynomene grandistipulata, Chimanimani Mountains, Manica (B. Wursten) OLobelia cobaltica, Chimanimani Mountains, Manica (B. Wursten) PEuphorbia crebrifolia, Chimanimani Mountains, Manica (B. Wursten) QDissotis pulchra, Chimanimani Mountains, Manica (B. Wursten) RPavetta pumila, Cheringoma, Sofala (B. Wursten).
Figure 4 from: Darbyshire I, Timberlake J, Osborne J, Rokni S, Matimele H, Langa C, Datizua C, de Sousa C, Alves T, Massingue A, Hadj-Hammou J, Dhanda S, Shah T, Wursten B (2019) The endemic plants of Mozambique: diversity and conservation status. PhytoKeys 136: 45-96. https://doi.org/10.3897/phytokeys.136.39020
Figure 4 History of publication of the endemic taxa of Mozambique. Cumulative publication dates (basionyms) for currently accepted strict-endemic taxa (green line), and combined strict-endemic and near-endemic taxa (red line), 1840 to present. Also highlighted are the date ranges for the three relevant Tropical African Flora programmes: "Flora of Tropical Africa" (1868–1937), "Flora of Tropical East Africa" (1952–2012) and "Flora Zambesiaca" (1960–present).
Figure 2 from: Darbyshire I, Timberlake J, Osborne J, Rokni S, Matimele H, Langa C, Datizua C, de Sousa C, Alves T, Massingue A, Hadj-Hammou J, Dhanda S, Shah T, Wursten B (2019) The endemic plants of Mozambique: diversity and conservation status. PhytoKeys 136: 45-96. https://doi.org/10.3897/phytokeys.136.39020
Figure 2 Cross-border Centres of Plant Endemism in Mozambique. Note that the boundaries of these Centres of Endemism are only intended to be indicative; further research is required to more accurately delimit these centres. The two montane Centres (Chimanimani-Nyanga and Mulanje-Namuli-Ribaue) are drawn as continuous blocks for clarity, but in reality they are a discontinuous series of peaks.
Figure 1 from: Darbyshire I, Timberlake J, Osborne J, Rokni S, Matimele H, Langa C, Datizua C, de Sousa C, Alves T, Massingue A, Hadj-Hammou J, Dhanda S, Shah T, Wursten B (2019) The endemic plants of Mozambique: diversity and conservation status. PhytoKeys 136: 45-96. https://doi.org/10.3897/phytokeys.136.39020
Figure 1 Map of Mozambique showing the ten provinces and neighbouring countries. Provincial borders are shown in pale grey, country borders are in black.
Figure 2 from: Li R, Shine L, Li W, Zhou S-S (2020) A new species of Zingiber (Zingiberaceae) from Natma Taung National Park, Chin State, Myanmar. In: Jin X-H, Xia N-H, Tan Y-H (Eds) Plant diversity of Southeast Asia-II. PhytoKeys 138: 131-137. https://doi.org/10.3897/phytokeys.138.46719
Figure 2 A Holotype of Zingiber natmataungense S.S.Zhou & R.Li, sp. nov (S.S. Zhou. 15828, HITBC Acc. No. 169318) B holotype of Z. yunnanense S.Q.Tong et X.Z.Liu (Tong, S.Q. & Liu, X.Z. 42412, KUN Acc. No. 0833231) C isotype of Z. teres S.Q.Tong et Y.M.Xia (Tong, S.Q. & Xia, Y.M. 42403, KUN Acc. No. 0833210).
Figure 1 from: Li R, Shine L, Li W, Zhou S-S (2020) A new species of Zingiber (Zingiberaceae) from Natma Taung National Park, Chin State, Myanmar. In: Jin X-H, Xia N-H, Tan Y-H (Eds) Plant diversity of Southeast Asia-II. PhytoKeys 138: 131-137. https://doi.org/10.3897/phytokeys.138.46719
Figure 1 Zingiber natmataungense S.S.Zhou & R.Li, sp. nov. A habitat B–D pseudostem and detail of ligules E inflorescence F flower G inflorescence and rhizome H bract I flower and style J calyx and detail of ovary with epigynous glands and anther K dissection (from left): corolla lobes and labellum, floral tube with anther in side view.
Figure 1 from: Ding H-B, Maw MB, Yang B, Bouamanivong S, Tan Y-H (2020) An updated checklist of Begonia (Begoniaceae) in Laos, with two new species and five new records. In: Jin X-H, Xia N-H, Tan Y-H (Eds) Plant diversity of Southeast Asia-II. PhytoKeys 138: 187-201. https://doi.org/10.3897/phytokeys.138.46718
Figure 1 Begonia laotica Y.H.Tan & H.B.Ding, sp. nov. A habitat B leaf blade adaxially C leaf blade abaxially (showing fleshy reddish bristles at the petiole apex) D flowers (front view) E flowers (lateral view) F inflorescence G mature fruits H habit I staminate flower J pistillate flower (young) K stamens (lateral view) L stamens (front view) M cross section of ovary. Photographed by H.B. Ding.
Figure 2 from: Cai Z-Y, Tong Y-H, Vu T-C, Ni J-B, Xia N-H (2020) Schizostachyum dakrongense (Poaceae, Bambusoideae), a new species from Dakrong Nature Reserve, Vietnam. In: Jin X-H, Xia N-H, Tan Y-H (Eds) Plant diversity of Southeast Asia-II. PhytoKeys 138: 179-186. https://doi.org/10.3897/phytokeys.138.39623
Figure 2 Morphological character of S. dakrongense sp. nov. and comparisons between S. dakrongense and S. hainanense. A Ovary and style B stigmas C prophylls D, G bracts E stamens F Palea (left) and Lemma (right) H1 base of culm sheath outer margin of S. dakrongenseH2 base of culm sheath outer margin of S. hainanenseI1 rachilla of S. dakrongense with ciliate margin I2 rachilla of S. hainanense with glabrous margin J1 Leaf abaxial surface of S. dakrongense pale-puberulent and sparsely pilosulous J2 leaf abaxial surface of S. hainanense glabrous. Scale bars: 1 cm (A, F, H1, H2); 1 mm (B–E, G, I1, I2, J1, J2).
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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)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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.