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5 results for “scarification”
Data from: Topsoil removal through scarification improves natural regeneration in high-graded Nothofagus old-growth forests
1.High grading by removing the majority of trees with superior timber quality has led to loss of productivity and biodiversity in forests. Typically, after high grading, little attention is given to tree regeneration. Thus, undesirable understory vegetation often dominates for a long time, leading to stagnation in forest recovery and so-called arrested succession. In such settings, managing understory vegetation using topsoil removal through scarification has been proposed as a restoration tool to encourage tree regeneration. 2.We investigated the effectiveness of topsoil removal as a restoration technique in high-graded Nothofagus old-growth forests in the Chilean Andes. In these forests, high grading often leads to understories being dominated by dense thickets of native bamboo, Chusquea culeou. These understory conditions typically delay succession by preventing tree regeneration. 3.T-tests were used to compare vegetation development in areas with topsoil removal against those without. Non-parametric multiplicative regression (NPMR) was used to investigate which environmental variables were mainly related to regeneration of different plant groups (short and long-lived early and late-seral tree species) and C. culeou abundance in areas with and without topsoil removal. 4.Topsoil removal improved the regeneration of early-seral tree species and constrained C. culeou. In areas without topsoil scarification, higher abundances of C. culeou were reflected in a higher transmitted radiation and litter cover. In these areas, the presence of early-seral tree species was related to higher soil water content and transmitted radiation. However, topsoil removal altered these response patterns for early-seral trees. For instance, the interaction between higher soil water content and more exposed mineral soil was reflected in a higher likelihood of finding early-seral tree seedlings. 5.Synthesis and applications. Topsoil removal was a successful restoration tool for overcoming arrested succession in Nothofagus old-growth forests in the Chilean Andes by encouraging the regeneration of early-seral trees in high-graded forests. Contrasting environmental conditions of pre- and post-topsoil removal allowed insights into the processes and mechanisms responsible for forests with arrested succession and for succession progression. This understanding provides guidance regarding the range of conditions under which topsoil removal can be used as a successful restoration practice.
Fig. 1 in Marking Dung Beetles (Coleoptera: Scarabaeidae): Retrospective and a Reliable "Scarification" Method
Fig. 1. Scarification marks on the elytra of Canthon rutilans cyanescens. A) Marks on the right elytron corresponding to the number 8, in which was made one line (value = 5) and three dots (value = 3, one dot = 1), B) Marks for number 13, in which a point was made in the left elytron (value = 10) and three points in the right elytron (value = 3).
Responses to Immunization With Keyhole Limpet Hemocyanin Administered by Scarification and the Intradermal Route
ClinicalTrials.gov study NCT00614731. IPD Sharing: YES. Countries: 1. Publications: 1.
Data from: Topsoil removal through scarification improves natural regeneration in high-graded Nothofagus old-growth forests
Open the record for dataset details and reuse information.
Effect of scarification on gene expression in the skin of C57BL/6 mice
GEO Series GSE34955. Mus musculus. 5 samples. Type: Expression profiling by array.
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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.
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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.