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1,436 results for “Oaks”
Fig. 1. Extant helodermatid lizard Heloderma suspectum Cope, 1869 in Helodermatid lizard from the Mio-Pliocene oak-hickory forest of Tennessee, eastern USA, and a review of monstersaurian osteoderms
Fig. 1. Extant helodermatid lizard Heloderma suspectum Cope, 1869 (ETVP 7096). A. An overall appearance of the osteoderm pattern on the cranial and nuchal regions. B. A close−up of the osteoderms exemplifying the morphology.
Fig. 6 in Helodermatid lizard from the Mio-Pliocene oak-hickory forest of Tennessee, eastern USA, and a review of monstersaurian osteoderms
Fig. 6. Various skeletal elements from taxa within Monstersauria illustrating the variation in the osteoderms. A, B. Eurheloderma gallicum Hoffstetter, 1957, Phosphorites du Quercy, France, "san precision de gisement"; maxillae with attached osteoderms. A. Left maxilla, unknown specimen number. B. Right maxilla, holotype, MNHN; from Hoffstetter 1957; see Augé (2005) for discussion. C. Paraderma bogerti Estes, 1964, UCMP locality V−5817; maxilla UCMP 542610 with attached osteoderms (from Estes 1964). D, G. Lowesaurus matthewi (Gilmore, 1928) Lewis Creek, Logan County, Colorado, Oreodon Zone, White River formation. D. Right frontal, KUVP 49651 showing detail of large osteoderms (from Pregill et al. 1986). G. Right maxilla, UNSM 50011 with large fused osteoderms (from Yatkola 1976). E, F. Heloderma texana Stevens, 1977, Castolon Local Fauna, Delaho Formation, Texas. E. Cranial bone TMM 40635−119 with fused osteoderms illustrating the ring−extension around the individual osteoderms. F. Holotype skull TMM 40635−123.
Supporting data and code for: Demographic and genetic impacts of powdery mildew in a young oak cohort
<p>This is a new release following the submission of the related PCI recommended manuscript to the <em>Annals of Forest Science</em> journal. It contains the necessary scripts to produce most of the analyses and figures of the manuscript. Apart from minor modifications following the recommendation in '<em>PCI Forest and Wood Sciences</em>', the main change is the addition of an extra dataset "Data_S2.txt" to the additional datasets. This dataset was previously included as a table in the 'supplementary material' file.</p>
Data related to a 9000-year tree-ring chronology consisting of subfossil oak material from southern Scandinavia
<p>The data available here is related to studies linking data from subfossil Danish and Swedish oak trees. Since these are ongoing studies, we will gradually make more data available as we publish new studies.</p>
Fig. 2 in First Record of the Oak Gall Wasp (Hymenoptera, Cynipidae) in Myanmar
Fig. 2. Habitus of asexual generation wasps of Andricus mukaigawae used for DNA extraction (scale bar=1 mm). A, Specimen from Chin, Myanmar; B, Specimen from Nagano, Japan.
Fig. 1 in First Record of the Oak Gall Wasp (Hymenoptera, Cynipidae) in Myanmar
Fig. 1. Asexual generation gall of Andricus mukaigawae collected in Myanmar. A, Gall appearance; B, Longitudinal section of gall with an adult wasp collected from inside.
Fig. 3 in First Record of the Oak Gall Wasp (Hymenoptera, Cynipidae) in Myanmar
Fig. 3. Head and mesosoma of asexual generation wasps of Andricus mukaigawae, collected in Chin, Myanmar (A and C) and Nagano, Japan (B and D). A–B, Head, frontal view; C–D, Head and mesosoma, dorsal view.
Linked collectors and determiners for: One hundred and sixty years of taxonomic confusion resolved: Belonocnema (Hymenoptera: Cynipidae: Cynipini) gall wasps associated with live oaks in the USA.
Natural history specimen data linked to collectors and determiners held within, "One hundred and sixty years of taxonomic confusion resolved: Belonocnema (Hymenoptera: Cynipidae: Cynipini) gall wasps associated with live oaks in the USA". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/9182a649-923b-4a69-bac0-d41873ded32e">https://bionomia.net/dataset/9182a649-923b-4a69-bac0-d41873ded32e</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/9182a649-923b-4a69-bac0-d41873ded32e">https://gbif.org/dataset/9182a649-923b-4a69-bac0-d41873ded32e</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Insects in monitoring oaks in Norway – a pilot study.
Natural history specimen data linked to collectors and determiners held within, "Insects in monitoring oaks in Norway – a pilot study". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/0d9bfb0c-5b22-42aa-a7b4-1c96a47c7c86">https://bionomia.net/dataset/0d9bfb0c-5b22-42aa-a7b4-1c96a47c7c86</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/0d9bfb0c-5b22-42aa-a7b4-1c96a47c7c86">https://gbif.org/dataset/0d9bfb0c-5b22-42aa-a7b4-1c96a47c7c86</a>. Formatted as a Frictionless Data package.
Figures 1-9 in Notes on oak-infesting species of scale insects (Hemiptera: Coccoidea) in Korea
Figures 1-9. Two species of scale insects on oak trees in Korea. 1-4. Asterodiaspis luteola (Russell). 1) Habitus. 2) Female. 3) Apical setae. 4) Anterior and posterior spiracular furrows (arrow: quinquelocular pores). 5-9. Nidularia japonica Kuwana. 5) Habitus. 6) Female. 7) Antenna. 8) Anal ring. 9) Tubular ducts on dorsal abdominal segments.
FIGURE 233 in GEORGE MELIKA, JULI PUJADE-VILLAR, JAMES A. NICHOLLS, VICTOR CUESTA-PORTA, CRYSTAL COOKE-McEWEN & GRAHAM N. STONE (2021) Three new Nearctic genera of oak cynipid gall wasps (Hymenoptera: Cynipidae: Cynipini): Burnettweldia Pujade-Villar, Melika & Nicholls, Nichollsiella Melika, Pujade-Villar & Stone, Disholandricus Melika, Pujade-Villar & Nicholls; and re-establishment of the genus Paracraspis Weld. Zootaxa, 4993: 001-081.
FIGURE 233. Consensus tree showing the relationships among the three new Nearctic gall wasp genera Burnettweldia, Nichollsiella and Disholandricus, the re-established genus Paracraspis and other allied genera, based on a Bayesian analysis of a concatenation of three loci (cytochrome b, long-wavelength opsin, and the D2 region of the 28S rRNA gene). Numbers above nodes indicate posterior probability support; nodes with <70% support have been collapsed.
Genomic data and common garden experiments reveal climate-driven selection on ecophysiological traits in two Mediterranean oaks
<p>This release includes the different genomic datasets used in the article entitled "<em>Genomic data and common garden experiments reveal climate-driven selection on ecophysiological traits in two Mediterranean oaks</em> " by Ramírez-Valiente et al.,</p> <p>File description:</p> <p><strong>Samples.xlsx</strong>: Description of individual and population codes used in the different analyses and genomic datasets.</p> <p><strong>Quercus_faginea_p12r05m05minMAF001_all_loci.str</strong>: Input file used to perform genetic clustering analyses (STRUCTURE and DAPC) for <em>Quercus faginea</em> including all loci.</p> <p><strong>Quercus_faginea_p12r05m05minMAF001_neutral_loci.str</strong>: Input file used to perform genetic clustering analyses (STRUCTURE and DAPC) for <em>Quercus faginea</em> excluding outlier loci (i.e., putatively under selection) identified by either BAYESCAN or using the FDIST method in ARLEQUIN.</p> <p><strong>Quercus_lusitanica_p7r05m05minMAF001_all_loci.str</strong>: Input file used to perform genetic clustering analyses (STRUCTURE and DAPC) for <em>Quercus lusitanica </em>including all loci.</p> <p><strong>Quercus_ lusitanica_p7r05m05minMAF001_neutral_loci.str</strong>: Input file used to perform genetic clustering analyses (STRUCTURE and DAPC) for <em>Quercus lusitanica </em>excluding outlier loci (i.e., putatively under selection) identified by either BAYESCAN or using the FDIST method in ARLEQUIN.</p> <p><strong>Quercus_faginea_p12r05m05minMAF001_BAYESCAN.txt</strong>: Input file used to perform BAYESCAN analyses for <em>Quercus faginea</em>.</p> <p><strong>Quercus_lusitanica_p7r05m05minMAF001_BAYESCAN.txt</strong>: Input file used to perform BAYESCAN analyses for <em>Quercus lusitanica</em>.</p> <p><strong>Quercus_faginea_p12r05m05minMAF001_ARLEQUIN.arp</strong>: Input file used to perform ARLEQUIN analyses for <em>Quercus faginea</em>.</p> <p><strong>Quercus_lusitanica_p7r05m05minMAF001_ARLEQUIN.arp</strong>: Input file used to perform ARLEQUIN analyses for <em>Quercus lusitanica</em>.</p> <p><strong>Quercus_faginea_p12r05m05minMAF001_all_loci.vcf</strong>: Variant call format (VCF) file for <em>Quercus faginea</em> including all loci.</p> <p><strong>Quercus_faginea_p12r05m05minMAF001_neutral_loci.vcf</strong>: Variant call format (VCF) file for <em>Quercus faginea</em> excluding outlier loci (i.e., putatively under selection) identified by either BAYESCAN or using the FDIST method in ARLEQUIN.</p> <p><strong>Quercus_lusitanica_p7r05m05minMAF001_all_loci.vcf</strong>: Variant call format (VCF) file for <em>Quercus lusitanica </em>including all loci.</p> <p><strong>Quercus_ lusitanica_p7r05m05minMAF001_neutral_loci.vcf</strong>: Variant call format (VCF) file for <em>Quercus lusitanica </em>excluding outlier loci (i.e., putatively under selection) identified by either BAYESCAN or using the FDIST method in ARLEQUIN.</p> <p><strong>Quercus_faginea_Greenhouse_DRIFTSEL.txt</strong>: Input file used to run DRIFTSEL and evaluate selection on the different studied traits for <em>Quercus faginea </em>under common garden greenhouse experiments.</p> <p><strong>Quercus_faginea_Outdoor_DRIFTSEL.txt</strong>: Input file used to run DRIFTSEL and evaluate selection on the different studied traits for <em>Quercus faginea</em> under common garden outdoor experiments.</p> <p><strong>Quercus_lusitanica_Greenhouse_DRIFTSEL.txt</strong>: Input file used to run DRIFTSEL and evaluate selection on the different studied traits for <em>Quercus lusitanica </em>under common garden greenhouse experiments.</p>
Tree-ring width chronologies of subfossil oak from Seda River, Latvia
<p>The dataset includes six mean curves/chronologies of subfossil oak from Seda River, northern Latvia. Series No. 1-5 were radiocarbon dated and the chronology No. 6 was absolute dated against chronologies from the Baltic region or Baltic timber imported to the Western Europe.</p>
Chromosome-scale genome assembly and insights into the metabolome and gene regulation of leaf color transition in an important oak species, Quercus dentata
<p><em>Quercus dentata</em> Thunb., a dominant forest tree species in northern China, has significant ecological and ornamental value due to its adaptability and beautiful autumn coloration, with color changes from green to yellow into red resulting from the autumnal shifts in leaf pigmentation. However, the key genes and molecular regulatory mechanisms for leaf color transition remain to be investigated. First, we presented a high-quality chromosome-scale assembly for <em>Q. dentata</em>. This 893.54 Mb sized genome (contig N50=4.21 Mb, scaffold N50=75.55 Mb; 2n=24) harbors 31,584 protein-coding genes. Second, our metabolome analyses uncovered pelargonidin-3-O-glucoside, cyanidin-3-O-arabinoside, and cyanidin-3-O-glucoside as the main pigments involved in leaf color transition. Third, gene co-expression further identified the MYB-bHLH-WD40 (MBW) transcription activation complex as central to anthocyanin biosynthesis regulation. Notably, transcription factor (TF) <em>QdNAC </em>(<em>QD08G038820</em>) was highly co-expressed with this MBW complex and may regulate anthocyanin accumulation and chlorophyll degradation during leaf senescence through direct interaction with another TF, <em>QdMYB </em>(<em>QD01G020890</em>), as revealed by our further protein-protein and DNA-protein interaction assays. Our high-quality genome assembly, metabolome and transcriptome resources further enrich <em>Quercus </em>genomics, and will facilitate upcoming exploration of ornamental values and environmental adaptability in this important genus.</p>
Key triggers of adaptive genetic variability of sessile oak [Q. petraea (Matt.) Liebl.] from the Balkan refugia: outlier detection and association of SNP loci from ddRAD-seq data
<p>Knowledge on the genetic composition of <em>Quercus petraea</em> in south-eastern Europe is limited despite the species' significant role in the re-colonisation of Europe during the Holocene, and the diverse climate and physical geography of the region. Therefore, it is imperative to conduct research on adaptation in sessile oak to better understand its ecological significance in the region. While large sets of SNPs have been developed for the species, there is a continued need for smaller sets of SNPs that are highly informative about the possible adaptation to this varied landscape. By using double digest restriction site associated DNA sequencing data from our previous study, we mapped RAD-tag sequences to the <em>Quercus robur</em> reference genome and identified a set of SNPs putatively related to drought stress-response. A total of 179 individuals from eighteen natural populations at sites covering heterogeneous climatic conditions in the southeastern natural distribution range of <em>Q. petraea</em> were genotyped. The detected highly polymorphic variant sites revealed three genetic clusters with a generally low level of genetic differentiation and balanced diversity among them but showed a north–southeast gradient. Selection tests showed nine outlier SNPs positioned in different functional regions. Genotype-environment association analysis of these markers yielded a total of 53 significant associations, explaining 2.4–16.6% of the total genetic variation. Our work exemplifies that adaptation to drought may be under natural selection in the examined <em>Q. petraea</em> populations.</p>
Video and accelerometer tree sway data for an oak tree in Trout Lake, Wisconsin
<p>This repository includes video, accelerometer, and sway frequency data for a red oak tree (Quercus rubra) in the Trout Lake Watershed in northern Wisconsin. Video and accelerometer data were recorded on 15 August 2019. Sway frequency data was extracted from both video and accelerometer data using the methods described in Ammatelli et al. (In review).</p> <p>All times are in Central Daylight Time.</p> <p><strong>Video Data </strong></p> <p>The five, 60 s videos were recorded using a video camera fastened with straps to the base of an adjacent tree.</p> <p>Video camera: Bushnell TrophyCam, 30 fps, 1080p resolution, 45° FOV</p> <p>File naming convention: trout-X.MP4 where X (a,b,c,d,e) is the video ID</p> <p>Date and time</p> <ul> <li>trout-a.MP4 (2019-8-15 17:07:18)</li> <li>trout-b.MP4 (2019-8-15 17:30:01)</li> <li>trout-c.MP4 (2019-8-15 17:32:34)</li> <li>trout-d.MP4 (2019-8-15 18:00:01)</li> <li>trout-e.MP4 (2019-8-15 18:09:06)</li> </ul> <p><strong>Accelerometer Data</strong></p> <p>Accelerometer data for the same tree was recorded using a 3-axis accelerometer. The accelerometer was positioned beneath the main branching of the target tree at ~8 m (total tree height ~22 m). </p> <p>Accelerometer: Gulf Coast Data Concepts 2g MEL-X2,16 Hz continuous sampling</p> <p>Filename: trout_accelerometer.csv</p> <p>Variables:</p> <ol> <li>datetime index (in CDT)</li> <li>acc - single‐axis acceleration filtered through a low‐pass filter from 0.01 to 2 Hz</li> </ol> <p><strong>Sway Frequency Data</strong></p> <p>For each video, the tree's sway frequency was extracted from the video and two lengths of accelerometer data: a segment with the same start time and duration as the video and a 30-minute segment.</p> <p>Filename: trout_sway.csv</p> <p>Variables:</p> <ol> <li>name - name of video sample</li> <li>datetime - start time of video sample</li> <li>vvs_avg_hz - frequency (Hz) of tree extracted using VVS method with average spectrum aggregation</li> <li>vvs_hist_hz - frequency (Hz) of tree extracted using VVS method with peak frequency histogram aggregation</li> <li>mbt_avg_hz - frequency (Hz) of tree extracted using MBT method with average spectrum aggregation</li> <li>acc_60sec_hz - frequency (Hz) of tree extracted from an accelerometer segment with the same start time and duration as the video</li> <li>acc_30min_hz - frequency (Hz) of tree extracted from a 30-minute accelerometer segment centered on the video start time</li> </ol>
Рис. 5–8. Stomaphis wojciechowskii и местообитание виΔа в БеΛаруси. 5 – место обнаружения коΛоний тΛи на Δубе черешчатом Quercus robur; 6 – кΛаΔка яиц поΔ корой (участок коры уΔаΛен); 7 – бескрыΛая живороΔящая самка, выΔеΛяющая капеΛьку меΔвяной паΔи; 8 – яйцекΛаΔущие самки с тоΛько что отΛоженными яйцами в гΛубокой трещине коры с хоΔами Lasius brunneus (верхний участок коры уΔаΛен). Figs 5–8. Stomaphis wojciechowskii and habitat in Belarus. 5 – habitat of the aphid colonies on Quercus robur; 6 – laying of eggs under oak bark (a section of bark was removed); 7 – apterous viviparous female, producing a drop of honeydew; 8 – oviparous females with newly-laid eggs in a crevice deep in bark and tunnels of Lasius brunneus (the upper section of bark was removed). in Stomaphis wojciechowskii Depa, 2012 (Hemiptera: Aphididae: Lachninae) - a new record of aphids in the fauna of Belarus
Рис. 5–8. Stomaphis wojciechowskii и местообитание виΔа в БеΛаруси. 5 – место обнаружения коΛоний тΛи на Δубе черешчатом Quercus robur; 6 – кΛаΔка яиц поΔ корой (участок коры уΔаΛен); 7 – бескрыΛая живороΔящая самка, выΔеΛяющая капеΛьку меΔвяной паΔи; 8 – яйцекΛаΔущие самки с тоΛько что отΛоженными яйцами в гΛубокой трещине коры с хоΔами Lasius brunneus (верхний участок коры уΔаΛен). Figs 5–8. Stomaphis wojciechowskii and habitat in Belarus. 5 – habitat of the aphid colonies on Quercus robur; 6 – laying of eggs under oak bark (a section of bark was removed); 7 – apterous viviparous female, producing a drop of honeydew; 8 – oviparous females with newly-laid eggs in a crevice deep in bark and tunnels of Lasius brunneus (the upper section of bark was removed).
Data for: Speciation in kleptoparasites of oak gall wasps often correlates with shifts into new tree habitats, tree organs, or gall morphospace
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Data from: Diversity among rare and common congeneric plant species from the Garry oak and Okanagan shrub-steppe ecosystems in British Columbia: implications for conservation
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Data from: Signatures of local adaptation in candidate genes of oaks (Quercus spp.) in respect to present and future climatic conditions
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