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272 results for “Forest biodiversity”
Dynamics and recovery of forest understory biodiversity over 17 years following varying levels of retention harvesting
<p>1. Retention harvesting is advocated as an alternative to intensive timber harvesting, such as clear-cutting, to better maintain or facilitate recovery of biodiversity and other ecological values in managed forests. However, it is not clear how long the benefits of retention harvests persist.</p> <p>2. We investigated responses of understory vascular plant cover, richness, diversity (inverse Simpson index), and composition to a gradient in dispersed retention (2% [clear-cut], 10%, 20%, 50% and 75% retention; unharvested reference [100% retention]) at 3, 6, 11, and 17 years after harvest, in four boreal mixed wood forest types (deciduous (broadleaf)-dominated, deciduous-dominated with conifer understory, mixed, and conifer-dominated) in western Canada.</p> <p>3. Understory cover and richness tended to increase in the short-term (3 years), peaked at 6–11 years with differences following the gradient of harvesting intensity, then plateaued or declined in the second decade (17 years), by which time there were minimal or no differences among harvesting levels, including the reference. Responses for diversity were minimal. In contrast, composition varied along the gradient of harvesting intensity and showed little recovery towards the unharvested condition over the 17-year period. Generally, for plant community composition, clear-cut and lower retention treatments (10%, 20%) were similar to one another but differed from the higher retention and unharvested reference treatments.</p> <p>4. Synthesis and applications. Retention harvests can moderate the negative impacts of harvesting and facilitate the recovery of biodiversity. Our results suggest that for the cover, richness and diversity of understory vascular plants, this moderating influence is weak and short-lived. However, higher levels of retention can temper changes in understory composition relative to the unharvested forest, but full recovery is likely to be slow and will be complicated by post-harvest regeneration dynamics.</p>
Where are we now with European forest multi-taxon biodiversity and where can we head to? - Supplementary Material
<p>Supplementary material of the paper "WHERE ARE WE NOW WITH EUROPEAN FOREST MULTI-TAXON BIODIVERSITY AND WHERE CAN WE HEAD TO?"</p>
Data from: Forest age drives saproxylic beetle biodiversity in the southeastern United States
<p><strong>Data from: Forest age drives saproxylic beetle biodiversity in the southeastern United States </strong></p> <p>Clayton R. Traylor, Michael D. Ulyshen, Joseph V. McHugh</p> <p><em>Biological Conservation </em>285: 110238.</p> <p><a title="Persistent link using digital object identifier" href="https://doi.org/10.1016/j.biocon.2023.110238" target="_blank" rel="noreferrer noopener"><span>https://doi.org/10.1016/j.biocon.2023.110238</span></a></p> <p> </p> <p>Abstract from paper:</p> <p>Old forests are valuable for biodiversity conservation because they provide uninterrupted forest cover over time<br>and late-successional habitat, promoting low-mobility and late-successional species. However, forest age may be<br>less important in highly forested landscapes because dispersal limitation is reduced. We investigated how species<br>richness and community composition of saproxylic beetles (Coleoptera) are influenced by forest age and the surrounding<br>landscape in the southeastern United States (Georgia). Forests in this region are highly fragmented and<br>dominated by early-successional stands. We sampled beetles in 20 old forests (mature in 1938) and 20 young<br>forests (originating after 1938), located along a landscape forest cover (LFC) gradient. Old and young forests<br>were structurally similar but tree communities differed along a Quercus (old) to Pinus (young) gradient. Regional<br>diversity of saproxylic beetles was higher in old forests, and high species turnover between forest age groups suggests<br>they both help to maintain regional biodiversity. Two models of local richness had near equal merit: one<br>showed higher richness in old forests regardless of LFC, while the other showed higher richness in old forests at<br>high LFC. Contrary to expectations, neither model supports old forests losing importance in highly forested landscapes.<br>Higher richness in old forests is likely due to temporal stability and late-successional habitat, promoting<br>low-mobility and specialist species. Because the land area of young forests exceeds that of old forests, old forests<br>are disproportionately important for saproxylic biodiversity in the region.</p>
Soundscapes and artificial intelligence provide powerful tools to track biodiversity recovery in tropical forests
<p><span>Tropical forest recovery is fundamental to addressing the intertwined climate and biodiversity loss crises.</span><span> While regenerating trees sequester carbon relatively quickly, the pace of biodiversity recovery remains contentious. </span><span>Here, we use bioacoustics and meta-barcoding to measure forest recovery post-agriculture in a global biodiversity hotspot in Ecuador</span><span>. We show that the community composition, and not species richness, of vocalizing vertebrates identified by experts reflects the restoration gradient. Two automated measures – an acoustic index model and a bird community derived from an independently developed Convolutional Neural Network – correlated well with restoration (adj-R<sup>2</sup> = 0.62 and 0.69, respectively). Importantly, both measures reflected composition of non-vocalizing nocturnal insects identified via meta-barcoding. </span><span>We show that such automated monitoring tools, </span><span>based on new technologies,</span><span> can effectively monitor the success of forest recovery, using robust and reproducible data. </span><span>Crucially, this will help ensure that forest restoration efforts result in resilient, biodiverse tropical forests and not simply 'carbon farms'.</span></p>
Effects of forest roads on vegetation biodiversity and soil characteristics in Hyrcanian forests
<p>As one of the main components of forest operations and sustainable management, forest roads affect the vegetation communities around the road. In this study, the effects of the edge of forest roads were investigated to understand the changes caused by the network of forest roads on the Hyrcanian forest ecosystem in northern Iran. In order to investigate the impact of forest roads on the biodiversity of herbaceous species, tree regeneration and lichen. Sampling was used at different distances from the road in two control and harvested areas. The effects of roads on vegetation diversity in relation to soil characteristics were also investigated. The results showed that harvesting caused the destruction and reduction of tree regeneration, herbaceous and lichen, but the physical and chemical properties of the soil were not affected. The distance from the road has affected the diversity and richness of herbaceous and lichen, tree regenaration and all physical and chemical characteristics of the soil (except C). There was a significant correlation between most of the physical and chemical properties of the soil with the regeneration of trees and herbaceous species. Also, most of the physical and chemical properties of soil have increased with increasing distance from the road. Results showed that the buffering effect of the roadside in these forests up to a distance of 45 meters had an effect on biodiversity and richness. Also, the results of this study are consistent with the fact that the road affects the biodiversity and properties of the forest soil. </p>
Dataset for "Plant biodiversity limits carbon recapture in warming boreal forests"
<p>See details from the publication "Plant biodiversity limits carbon recapture in warming boreal forests" in Nature Communications Earth & Environment for details on data generation and usage.</p> <p>Columns</p> <p>id - unique identifier</p> <p>plot_id - forest plot where vegetation samples were collected</p> <p>species - sampled plant species name</p> <p>dry_weight - weight of species after fully drying given in grams</p> <p>wet_weight - weight of species immediately after collection given in grams</p>
Biodiversity components mediate the response to forest loss and the effect on ecological processes of plant-frugivore assemblages
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Earthworm invasion causes declines across soil fauna size classes and biodiversity facets in northern North American forests
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Data from: Archipelago-wide survey of Philippine forest dragons (Agamidae: Gonocephalus): multilocus phylogeny uncovers unprecedented levels of genetic diversity in a biodiversity hotspot
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Aquatic-terrestrial linkages drive contrasting biodiversity patterns in tropical and temperate forests
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Soundscapes and artificial intelligence provide powerful tools to track biodiversity recovery in tropical forests
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Large wild herbivores slow down the rapid decline of plant diversity in a tropical forest biodiversity hotspot
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Data from: Orchid trade at the source: Epiphytic species with conspicuous flowers in low-elevation forests are more locally collected in a Philippine key biodiversity area
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Data from: Positive biodiversity-productivity relationships in forests: climate matters
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Short-term effects of continuous cover forestry on forest biomass production and biodiversity: Applying single-tree selection in forests dominated by Picea abies
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Experimental evaluation of herbicide use on biodiversity, ecosystem services, and timber production tradeoffs in forest plantations
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Limited evidence of biodiversity spillover from forest fragments into oil palm plantations in the Amazon
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Data from: Development stage-dependent effects of biodiversity on aboveground biomass of temperate forests
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Landscape conservation as a strategy for recovering biodiversity: lessons from a long-term program of pasture restoration in the southern Atlantic Forest
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The umbrella value of caribou management strategies for biodiversity conservation in boreal forests under global change
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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.