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304 results for “eucalyptus”
Data from: Multiple introductions from multiple sources: invasion patterns for an important eucalyptus leaf pathogen
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Data from: Enhanced decomposition and nitrogen mineralisation sustain rapid growth of Eucalyptus regnans after wildfire
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Data from: Evidence of genomic adaptation to climate in Eucalyptus microcarpa: implications for adaptive potential to projected climate change
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Response of 25-day old Eucalyptus globulus to elevated CO2
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Responses of resistant and susceptible hybrid clones of Eucalyptus urophylla × Eucalyptus grandis to infection by Ceratocystis fimbriata
<p>Responses of resistant and susceptible hybrid clones of Eucalyptus urophylla × Eucalyptus grandis to infection by Ceratocystis fimbriata</p> <p>The use of resistant genotypes of eucalypt is widely used to control Ceratocystis wilt caused by <em>Ceratocystis fimbriata</em>. However, little is known regarding the fungal infection process and the host defense responses. Thus, the objective of this study was to compare the histopathological responses of one resistant and one susceptible clone of <em>Eucalyptus urophylla</em> × <em>Eucalyptus grandis</em> to artificial inoculation with <em>C. fimbriata</em> and to identify possible host defense responses against fungal infection. Fungal colonization was analyzed by light and scanning electron microscopy. The host defense responses to artificial fungal inoculation were evaluated through histochemical analysis and determining of the lignin concentration and lesion lengths, whereas the pathogen viability was confirmed by reisolations.</p> <p>This excel file contains the raw data for each data table within a manuscript published in Annals of Forest Science.</p>
Figure 1 from: Pinzón-Florián O (2020) First report on the gall wasp Ophelimus near migdanorum (Hymenoptera, Eulophidae) and its parasitoid Closterocerus chamaeleon (Hymenoptera, Eulophidae) in Eucalyptus globulus in Bogotá, Colombia. ZooKeys 902: 151-156. https://doi.org/10.3897/zookeys.902.39213
Figure 1 Different stages of gall development on E. globulus foliage. A Initial stage B fully developed galls C fully developed galls in the petiole. Scale bar: 1 mm.
Figure 3 from: Pinzón-Florián O (2020) First report on the gall wasp Ophelimus near migdanorum (Hymenoptera, Eulophidae) and its parasitoid Closterocerus chamaeleon (Hymenoptera, Eulophidae) in Eucalyptus globulus in Bogotá, Colombia. ZooKeys 902: 151-156. https://doi.org/10.3897/zookeys.902.39213
Figure 3 Closterocerus chamaeleon emerged from mature E. globulus leaves infested by Ophelimus sp. A Dorsal view B lateral view. Scale bars: 1 mm.
Fig 1 from: Masson MV, Tavares WS, Alves JM, Ferreira-Filho PJ, Barbosa LR, Wilcken CF, Zanuncio JC (2020) Bioecological aspects of the common black field cricket, Gryllus assimilis (Orthoptera: Gryllidae) in the laboratory and in Eucalyptus (Myrtaceae) plantations. Journal of Orthoptera Research 29(1): 83-89. https://doi.org/10.3897/jor.29.48966
Fig 1 Minimum, maximum, and mean duration of the pre-oviposition, oviposition, and post-oviposition periods of Gryllus assimilis (Orthoptera: Gryllidae) in the laboratory (N = 50 couples).
Fig 2 from: Masson MV, Tavares WS, Alves JM, Ferreira-Filho PJ, Barbosa LR, Wilcken CF, Zanuncio JC (2020) Bioecological aspects of the common black field cricket, Gryllus assimilis (Orthoptera: Gryllidae) in the laboratory and in Eucalyptus (Myrtaceae) plantations. Journal of Orthoptera Research 29(1): 83-89. https://doi.org/10.3897/jor.29.48966
Fig 2 Gryllus assimilis (Orthoptera: Gryllidae). A. Adult; B, C. Damage to Eucalyptus sp. (Myrtaceae).
Variation in susceptibility of Eucalyptus grandis and selected hybrid clones to two termite species Macrotermes bellicosus and M. subhyalinus in Uganda
<p>The maximum productivity of plantation forestry and its role in climate change mitigation, adaptation and resilience cannot be met without proper management. Termites in the genus <i>Macrotermes</i> have been reported as a major challenge to <i>Eucalyptus</i> plantation forestry establishment. The current study evaluated the susceptibility of four <i>Eucalyptus</i> hybrid clones; GU 7, GC 796, GC 550 and GC 796/2 and <i>E. grandis </i>to the most damaging <i>Macrotermes bellicosus </i><span>(Smeathman) </span>and <i>Macrotermes subhyalinus </i><span>(Rambur) to identify tolerant material that can be planted in high incidence areas. The study involved exposure of moisture dry pieces of wood from <i>E. grandis</i> and the four hybrid clones to damage by <i>M. bellicosus</i> and <i>M. subhyalinus</i>. Results confirmed that <i>M. bellicosus</i> is the most aggressive. Results further revealed that <i>E. grandis</i> and GC 550 are the most susceptible whereas GC 796 is the most tolerant clone. The findings from the study will contribute to improved management of termites by planting tolerant material in high risk areas. </span></p>
Water availability drives fine root dynamics in a Eucalyptus woodland under elevated atmospheric CO2 concentration
<p>Fine roots are a key component of carbon and nutrient dynamics in forest ecosystems. Rising atmospheric [CO<sub>2</sub>] (eCO<sub>2</sub>) is likely to alter the production and activity of fine roots, with important consequences for forest carbon storage. Yet empirical evidence of the role of eCO<sub>2</sub> in driving root dynamics in low-nutrient forested ecosystems is limited, particularly for grassy woodlands, an ecosystem type of global importance.</p> <p>We sampled fine roots across seasons over a two-year period to examine the effects of eCO<sub>2</sub> on their biomass, production, turnover and functional traits in a native mature grassy <i>Eucalyptus</i> woodland in eastern Australia (EucFACE).</p> <p>Fine root biomass, production and turnover varied greatly through time, increasing as soil water content declined. Despite a lack of persistent effects of eCO<sub>2</sub> on fine root biomass, production or turnover across the two-year sampling period, we found enhanced production pulses under eCO<sub>2</sub> between 10-30 cm soil depth. These eCO<sub>2</sub>-driven production pulses were associated with large changes in abiotic conditions. In addition, eCO<sub>2</sub> led to greater carbon and phosphorus concentrations in fine roots and increased root diameter, but no detectable effects on other morphological traits.</p> <p>Synthesis. We found minor quantitative effects of eCO<sub>2</sub> on fine root biomass dynamics that were largely driven by temporal variations in soil water availability. Our results suggest that in this mature grassy woodland, and perhaps also in other similar forested ecosystem types characterized by low phosphorus content in the soil, eCO<sub>2</sub> effects are small and transient. This suggests limited belowground fine root productivity responses to rising atmospheric CO<sub>2</sub> concentrations and, thus, perhaps also a limited ability of these systems to mitigate climate change through belowground mechanisms.</p>
Susceptibility of Eucalyptus hybrid clones to Botryosphaeria canker in Uganda
<p>The study assessed susceptibility of the nine commonly grown <i>Eucalyptus</i> clones to <i>Neofusicoccum</i> species associated with Botryosphaeria canker in Uganda. The inoculation trials indicated that susceptibility of <i>Eucalyptus</i> hybrids differed significantly (p=0.000), clones GU609, GU7, GC578, and GC796 exhibiting a higher tolerance than GC784, GC550, GU8, GC514 and GC540. The results further revealed that <i>N. parvum</i> was more pathogenic than <i>N. kwambonambiense</i>. The generated information can be exploited by expanding the growing of tolerant hybrids in areas with high Botryosphaeria canker disease pressure.</p>
FIGURE 12 in New species of Crotonia (Acari: Oribatida: Camisiidae) from Nothofagus and Eucalyptus forests in Victoria, Australia, with a redescription of the fossil species Crotonia ramus (Womersley, 1957)
FIGURE 12. Crotonia blacki sp. nov. tritonymph a) dorsal; b) ventral
FIGURE 8 in New species of Crotonia (Acari: Oribatida: Camisiidae) from Nothofagus and Eucalyptus forests in Victoria, Australia, with a redescription of the fossil species Crotonia ramus (Womersley, 1957)
FIGURE 8. Crotonia blacki sp. nov. dorsal a) holotype female; b) paratype male
FIGURE 13 in New species of Crotonia (Acari: Oribatida: Camisiidae) from Nothofagus and Eucalyptus forests in Victoria, Australia, with a redescription of the fossil species Crotonia ramus (Womersley, 1957)
FIGURE 13. Crotonia gadubanudi sp. nov. dorsal a) holotype female b) paratype male.
FIGURE 1 in New species of Crotonia (Acari: Oribatida: Camisiidae) from Nothofagus and Eucalyptus forests in Victoria, Australia, with a redescription of the fossil species Crotonia ramus (Womersley, 1957)
FIGURE 1. Crotonia alpina sp. nov. holotype female a) dorsal; b) ventral.
FIGURE 4 in New species of Crotonia (Acari: Oribatida: Camisiidae) from Nothofagus and Eucalyptus forests in Victoria, Australia, with a redescription of the fossil species Crotonia ramus (Womersley, 1957)
FIGURE 4. Crotonia momitoi sp. nov. Dorsal a) holotype female; b) paratype male
FIGURE 7 in New species of Crotonia (Acari: Oribatida: Camisiidae) from Nothofagus and Eucalyptus forests in Victoria, Australia, with a redescription of the fossil species Crotonia ramus (Womersley, 1957)
FIGURE 7. Crotonia momitoi sp. nov. tritonymph a) dorsal; b) ventral
FIGURE 16 in New species of Crotonia (Acari: Oribatida: Camisiidae) from Nothofagus and Eucalyptus forests in Victoria, Australia, with a redescription of the fossil species Crotonia ramus (Womersley, 1957)
FIGURE 16. Crotonia ramus (Womersley, 1957). Holotype female a) dorsal; b) ventral.
FIGURE 3 in New species of Crotonia (Acari: Oribatida: Camisiidae) from Nothofagus and Eucalyptus forests in Victoria, Australia, with a redescription of the fossil species Crotonia ramus (Womersley, 1957)
FIGURE 3. Crotonia victoriae sp. nov. holotype female a) dorsal; b) ventral.
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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
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.