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30 results for “tree characteristics”
FIG. 8. Bayesian tree inferred from 18S in Analyses of morphological and molecular characteristics of Telotylenchinae from Iran point at the validity of the genera Bitylenchus and Sauertylenchus
FIG. 8. Bayesian tree inferred from 18S rDNA sequences. Posterior probabilities (pp) exceeding 0.65 are given on appropriate clades, bifurcations with pp above 0.95 are considered to be well-supported. Nematode species and GenBank numbers are listed for each taxon. In bold: newly generated 18S rDNA sequences. With regard to Telotylenchinae Clades (indicated in Roman figures) we adhered to Handoo et al. (2014).
Density and characteristics of tree cavities inside and outside Volcanoes National Park, Rwanda
<p>Tree cavities, formed by animal excavation or processes of fungal decay and mechanical damage, may provide nesting, roosting, or resting opportunities to many invertebrate and vertebrate species. Although cavity availability has been linked to patterns of biodiversity and ecosystem functioning elsewhere, there have been few such studies in the Afrotropics. Here, we present a baseline survey of cavity availability inside the high elevation (<span>2,200</span>–<span>3,714 </span>m) Afromontane forest ecosystems of Volcanoes National Park (VNP), Rwanda. We aimed to provide such reference data in the form of summary statistics on cavity density and characteristics in a collection of 400 m<sup>2</sup> plots that together cover 8.8 ha inside and 0.68 ha outside VNP. We also explored the relative importance of fungal decay vs. excavators in the formation of cavities, tested for the relative role of standing dead trees and living trees as cavity substrates, considered differences in diameter and height between cavity-bearing trees and trees without cavities, determined the orientation of cavity entrances, and tested whether cavity density varies across elevation. We found 109 cavities in 52 cavity-bearing trees (dominated by <em>Hagenia</em> <em>abyssinica</em>) inside VNP, for a density of 12.4 cavities and 5.9 cavity-bearing trees per hectare, and none outside the park. More cavities were decay-formed (n = 90) than excavated (n = 19) and though most cavities were found in living trees (n = 44) the number of cavities in dead trees (n = 8) was high relative to dead tree substrate availability. We also found that cavity-bearing trees were larger than those without cavities, that excavated cavities were predominantly oriented towards the southeast and decay-formed cavities to the northeast, and that cavity density peaked near ~3,000 m. Our results show that large and dead trees of particular species are important cavity substrates that need to be given attention in conservation and management as is clearly illustrated by the lack of cavities in the highly managed Eucalyptus stands outside VNP.</p>
Density and characteristics of tree cavities inside and outside Volcanoes National Park, Rwanda
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Data from: Seed quality and seed quantity in red maple depends on weather and individual tree characteristics
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Data from: Long term impacts of selective logging on two Amazonian tree species with contrasting ecological and reproductive characteristics: inferences from Eco-gene model simulations
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Characteristics of households that were interviewed in a study that investigated factors driving tree species in cocoa farms in Cote d'Ivoire
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Data from: Sylleptic branching in winter-headed apple (Malus × domestica) trees: accession-dependent responses and their relationships with other tree architectural characteristics
Well-feathered apple trees are essential for commercial orchards to optimize yields. However, most cultivars do not form these sylleptic branches readily in commercial nurseries due to high apical dominance. Several treatments exist to promote their formation in the nurseries, one of which is heading. However, not all cultivars are expected to react similarly to these treatments. We studied the branching response of 155 genotypes following heading and its relation to other architectural traits as a function of the cultivar's genetic background. Trees were grown for two consecutive years after grafting in a nursery, and the main axes were headed in the winter following growth in year 1. After heading, a single shoot was retained when growth resumed in the second year. Plant architectural traits such as growth of the main shoot, internode length, sylleptic branching, etc. were measured before and after heading and were statistically compared using a mixed model. This model showed the effect of heading for all architectural traits studied. In addition significant genotype and genotype × treatment interactions were found. In general, genotypes that showed a more vigorous growth during the first year also reacted more vigorously to heading. Accounting for the genetic substructure of this collection, no clear distinction in tree response could be found except in a small group of individuals that belonged to an F1 mapping population. This study shows that heading is not favorable for all genotypes to promote sufficient sylleptic branching and that other methods are needed to promote branching in these accessions.
Data from: Sylleptic branching in winter-headed apple (Malus × domestica) trees: accession-dependent responses and their relationships with other tree architectural characteristics
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A single-nucleus transcriptomic atlas reveals cellular and genetic characteristics in the hippocampus of natural aging-inducing Alzheimer’s disease tree shrews
GEO Series GSE235838. Tupaia belangeri. 6 samples. Type: Expression profiling by high throughput sequencing.
Transcriptome analysis of Botrytis cinerea in response to tea tree oil and its two characteristic components
GEO Series GSE138291. Botrytis cinerea. 15 samples. Type: Expression profiling by high throughput sequencing.
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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.