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66 results for “Below ground diversity”
Figure 2C-D in Diversity of ground-dwelling arthropods on overburden dumps after coal mining
Figure 2C-D. Study sites: (C) Kedr3, (D) Kedr4.
Data from: The diversity of post-fire regeneration strategies in the cerrado ground layer
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Ecotones shape ground-dwelling mammal and bird diversity along a habitat gradient in the southern coastal dry forests of Vietnam
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Data from: Soil and ground-dwelling arthropod diversity on green roofs: Functional groups are strongly influenced by substrate depth and plant community
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Data from: Functional diversity and habitat preferences of native grassland plants and ground-dwelling invertebrates in private gardens along an urbanisation gradient
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Decoupled responses of above- and below-ground beta-diversity to nitrogen enrichment in a typical steppe
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Functional diversity of ground beetles improved aphid control but did not increase crop yields on European farms
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Data from: Tillage in southeastern U.S. row crops reduces ground-nesting bee incidence and diversity compared to field edges
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Data from: Small- to large-scale patterns of ground-dwelling spider (Araneae) diversity across northern Canada
We examined how Arctic spider (Araneae) biodiversity is distributed at multiple spatial scales in Northern Canada using a standardized hierarchical sampling design. We investigated which drivers, environmental or spatial, influence the patterns observed. Spatial patterns of species richness and composition of Arctic spiders were assessed in 12 sites located in Arctic, Subarctic, and North-Boreal regions, across 30 degrees of latitude and 80 degrees of longitude. Variation of diversity was partitioned in relation to multiple environmental and spatial drivers of diversity patterns. Over 23, 000 adult spiders, representing 306 species in 14 families, were collected in Northern Canada, with 107 species (35% of the total species collected) representing new Territorial or Provincial records. Spider diversity was structured at the regional scale across ecoclimatic regions but not with latitude. Longitudinal patterns of spider diversity across Canada may be explained by post-glacial dispersal. At local scales, diversity was non-randomly distributed, and possibly limited by biotic interactions. We recommend the use of ecoclimatic regions as a framework for conservation of biodiversity in Northern Canada and spiders as useful bioindicators which can help us understand the effects of climate change across ecoclimatic regions of northern Canada.
Data from: Edge effects and beta diversity in ground and canopy beetle communities of fragmented subtropical forest
Clearing of dry forests globally creates edges between remnant forest and open anthropogenic habitats. We used flight intercept traps to evaluate how forest beetle communities are influenced by distance from such edges, together with vertical height, spatial location, and local vegetation structure, in an urbanising region (Brisbane, Australia). Species composition (but not total abundance or richness) differed greatly between ground and canopy. Species composition also varied strongly among sites at both ground and canopy levels, but almost all other significant effects occurred only at ground level, where: species richness declined from edge to interior; composition differed between positions near edges (<10 m) and interiors (> 50 m); high local canopy cover was associated with greater total abundance and richness and differing composition; and greater distances to the city centre were associated with increased total abundances and altered composition. Analyses of individual indicator species associated with this variation enabled further biological interpretations. A global literature synthesis showed that most spatially well-replicated studies of edge effects on ground-level beetles within forest fragments have likewise found that positions within tens of metres from edges with open anthropogenic habitats had increased species richness and different compositions from forest interior sites, with fewer effects on abundance. Accordingly, negative edge effects will not prevent relatively small compact fragments (if >10-20 ha) from supporting forest-like beetle communities, although indirect consequences of habitat degradation remain a threat. Retention of multiple spatially scattered forest areas will also be important in conserving forest-dependent beetles, given high levels of between-site diversity.
Data from: Shifts and linkages of functional diversity between above- and below-ground compartments along a flooding gradient
Trait-based approaches have the potential to reveal general and predictive relationships between organisms and ecosystem functioning. However, the mechanisms underlying the functional structure of communities are still unclear. Within terrestrial ecosystems, several studies have shown that many ecological processes are controlled by the interacting above- and below-ground compartments. However, few studies have used traits to reveal the functional relationships between plants and soil fauna. Mostly, research combining plants and soil fauna solely used the traits of one assemblage in predictive studies. Above-ground (plants) and below-ground (Collembola) compartments were sampled over a flooding gradient in northern France along the Seine River. First, we measured the effect of flooding on functional and taxonomic assembly within both communities. We then considered the linkages between plant and Collembolan species richness, community traits and assessed whether traits of both compartments converged at high flooding intensity (abiotic filtering) and diverged when this constraint is released (biotic filtering). Species richness of both taxa followed the same bell-shaped pattern along the gradient, while a similar significant pattern of functional richness was only observed for plants. Further analyses revealed a progressive shift from trait convergence to divergence for plants, but not for Collembola, as constraints intensity decreased. Instead, our results highlighted that Collembola traits were mainly linked to the variations in plant traits. This leads, within Collembola assemblages, to convergence of a subset of perception and habitat-related traits for which the relationship with plant traits was assessed. Synthesis. Using a trait-based approach, our study highlighted that functional relationships occur between above- and below-ground compartments. We underlined that functional composition of plant communities plays a key role in structuring Collembola assemblages in addition to the role of abiotic variables. Our study clearly shows that functional diversity provides a new approach to link the above- and below-ground compartments and might, therefore, be further considered when studying ecological processes at the interface between both compartments.
Data from: Positive species diversity and above-ground biomass relationships are ubiquitous across forest strata despite interference from overstorey trees
There is growing concern over rates of global species diversity loss and its implications on healthy ecosystem functioning. While positive relationships between tree species diversity and forest biomass production have been observed, forests are structurally complex, consisting of understorey vegetation layers that also contribute to ecosystem functioning as they often account for the majority of species richness. However, relationships between understorey vegetation diversity and function are largely unexplored. Further, few studies have simultaneously assessed how both overstorey and understory vegetation interact and contribute to overall ecosystem function. By analysing Canada's National Forest Inventory data base using structural equation modelling, we explored the relationships between species richness and above-ground biomass production across forest vegetation strata while accounting for potentially confounding factors, including climate, physical site characteristics and forest ageing. We found positive relationships between species richness and biomass production across all forest vegetation layers, but the relationship was strongest for the overstorey layer. Species richness of the understorey tree, shrub and herb layers was positively related to overstorey species richness. However, overstorey biomass had a negative effect on the biomass production of all understorey layers. Our results suggest that resource filtering by overstorey trees might have reduced the strength of the positive diversity–productivity relationships in the forest understorey, supporting previous hypotheses that the magnitude and direction of diversity–productivity relationships is context specific and dependent on the conditions of the surrounding environment. Further, heterogeneity in understory resources, as affected by the overstorey, may promote niche complementarity as the main mechanism driving diversity–productivity relationships in understorey vegetation.
Supplementary material 1 from: Gioria M, Carta A, Balogianni V, Fornara D, Pyšek P, Osborne BA (2023) Changes in the functional and phylogenetic diversity of above- and below-ground plant communities invaded by two alien herbs. NeoBiota 88: 75-101. https://doi.org/10.3897/neobiota.88.109185
Species lists, list of traits, and results of Bayesian phylogenetic generalized linear mixed models of species richness and abundance data in the vegetation and the soil seed bank
FIG. 1 in The termites of the Mayombe Forest Reserve, Congo (Brazzaville): transect sampling reveals an extremely high diversity of ground-nesting soil feeders
FIG. 1. Proportions of feeding groups (a), nesting groups (b) and taxonomic groups (c) in MBR and MFR. Taxonomic groupings: m, Macrotermitinae; an, Anoplotermes-group Apicotermitinae; ap, Apicotermes-group Apicotermitinae; am, Amitermes-group; te, Termes-group Termitinae; cu, Cubitermes-group Termitinae; nas, Nasutitermes-group Nasutitermitinae; sub, Subulitermes -group Nasutitermitinae. The Foraminitermes- group Termitinae (one species in both regions) and Rhinotermitidae (one species in MFR only) have been excluded for plot clarity. Other functional groupings are as in table 1.
Figure 3 in Cryptic and non-cryptic diversity in New Guinea ground snakes of the genus Stegonotus Duméril, Bibron and Duméril, 1854: a description of four new species (Squamata: Colubridae)
Figure 3. Map of New Guinea sampling localities for Stegonotus (a) and mtDNA + nucDNA maximum likelihood gene tree (b). Symbols for species/clades match those on the map; * indicates bootstrap values ≥ 70. For some localities, symbols were adjusted for better visibility and so localities are approximate; see Appendix 1. for exact locality information.
Figure 2 in Cryptic and non-cryptic diversity in New Guinea ground snakes of the genus Stegonotus Duméril, Bibron and Duméril, 1854: a description of four new species (Squamata: Colubridae)
Figure 2. Photographs of Stegonotus species with dorsal, ventral and lateral head views from left to right: (a) Stegonotus batjanensis USNM 237129, (b) Stegonotus borneensis FMNH 251054, (c) Stegonotus muelleri LSUMZ 41802, (d) Stegonotus florensis WAM 104606, (e) Stegonotus guentheri AM 129712, (f) Stegonotus heterurus BPBM 22556, (g) Stegonotus cucullatus LSUMZ 94371. Photos from SR. (h) Stegonotus modestus LSUMZ 92339, (i) Stegonotus iridis sp. nov. SJR 7514, (j) Stegonotus diehli LSUMZ 92344 (k) Stegonotus melanolabiatus sp. nov. AMS R115361 (l) Stegonotus derooijae sp. nov. SAMA R70467 (m) Stegonotus admiraltiensis sp. nov. LSUMZ 93597, (n) Stegonotus parvus LSUMZ 92333. Photos from Sara Ruane and Stephen J. Richards.
Figure 6 in Cryptic and non-cryptic diversity in New Guinea ground snakes of the genus Stegonotus Duméril, Bibron and Duméril, 1854: a description of four new species (Squamata: Colubridae)
Figure 6. Photographs of paratype Stegonotus derooijae sp. nov. MZB.Ophi.3293 showing (clockwise from top left) dorsal of body, ventral of body, dorsal of head, lateral of head. Photos from Stephen J. Richards.
Figure 4 in Cryptic and non-cryptic diversity in New Guinea ground snakes of the genus Stegonotus Duméril, Bibron and Duméril, 1854: a description of four new species (Squamata: Colubridae)
Figure 4. Photographs of three Stegonotus species described here in life; (a) Stegonotus iridis sp. nov. SAMA R70466 (b) Stegonotus derooijae sp. nov. MZB.Ophi.3288 (c) Stegonotus admiraltiensis sp. nov. from Manus Island, unregistered. Photos from Stephen J. Richards.
Figure 8 in Cryptic and non-cryptic diversity in New Guinea ground snakes of the genus Stegonotus Duméril, Bibron and Duméril, 1854: a description of four new species (Squamata: Colubridae)
Figure 8. Photographs of holotype Stegonotus admiraltiensis sp. nov. LSUMZ 93598 showing (clockwise from top left) dorsal of body, ventral of body, dorsal of head, lateral of head. Photos from Sara Ruane.
Figure 5 in Cryptic and non-cryptic diversity in New Guinea ground snakes of the genus Stegonotus Duméril, Bibron and Duméril, 1854: a description of four new species (Squamata: Colubridae)
Figure 5. Photographs of holotype Stegonotus iridis sp. nov. MZB.Ophi.3306 showing (clockwise from top left) dorsal of body, ventral of body, dorsal of head, lateral of head. Photos from Stephen J. Richards.
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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.