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10 results for “Vertical strata”
Figure 1 in Assessing high compositional differences of beetle assemblages across vertical woodland strata in the New Forest, Hampshire, England
Figure 1. Correspondence analysis ordination of subfamily/family level showing separation between the sampling methods. Eigenvalue axis 1: 0.4953, variation 45.14; axis 2: 0.2668, variation 69.47. Key to subfamily/family abbreviations – Carabida: Carabidae, Hydrophl: Hydrophilidae, Leiodida: Leiodidae, Omaliina: Omaliinae, Pselaphn: Pselaphinae, Phloeocr: Phloeocharinae, Tachypor: Tachyporinae, Habrocer: Habrocerinae, Aleochar: Aleocharinae, Oxytelin: Oxytelinae, Scaphidi: Scaphidiinae, Scydmaen: Scydmaeninae, Paederin: Paederinae, Staphyln: Staphylininae, Geotrupd: Geotrupidae, Scirtida: Scirtidae, Throscid: Throscidae, Elaterid: Elateridae, Canthard: Cantharidae, Ptiliida: Ptiliidae, Anobiida: Anobiinae, Malachii: Malachiidae, Sphindid: Sphindidae, Nitiduld: Nitidulidae, Cryptoph: Cryptophagidae, Coccinel: Coccinellidae, Coryloph: Corylophidae, Latridii: Latridiidae, Melandry: Melandryidae, Tenebrio: Tenebrionidae, Salpingd: Salpingidae, Scraptii: Scraptiidae, Cerambyc: Cerambycidae, Crytocp: Cryptocephalinae, Chrysoml: Chrysomelinae, Galerucn: Galerucinae, Rhynchit: Rhynchitidae, Apionida: Apionidae, Curculio: Curculioninae, Cossonin: Cossninae, Entimina: Entiminae, Molytina: Molytinae, Scolytin: Scolytinae.
Data from: Spatiotemporal dynamics of the ant community in a dry forest differ by vertical strata but not by successional stage
<p>Ants are diverse and ecologically important organisms in tropical forests, where their spatiotemporal distribution can be highly complex. This complexity arises mainly from marked differences in microclimatic conditions and resource availability through space and time that is even more evident in highly seasonal environments, such as tropical dry forests. However, it is unclear how seasonality interacts with other factors that might shape temporal variation of ant composition (β-diversity), like vertical strata and habitat disturbance. Our goal was to examine the potential influence of vertical stratification and the successional stage on the spatiotemporal variation of a tropical dry forest's ant species composition. We assessed whether species turnover or nestedness was the main component determining the spatiotemporal β-diversity of ant communities across the canopy and litter strata. We sampled canopy and litter ants in ten plots, half in the early and half on the late-stage of secondary succession at four times, twice in wet and twice in dry season. A high species turnover defined the spatiotemporal β-diversity of canopy and litter ant communities across years and seasons in our focal dry forests. Importantly, the temporal ant species composition was much more stable in the canopy than in the litter. Moreover, we found that the ant community's temporal dynamics was consistently high across successional stages, not differing in the temporal β-diversity between early and late succession. Our results provide valuable insights into the potential underlying causes of community assembly and spatiotemporal dynamics in seasonal habitats, like the highly-threatened and diverse tropical dry forests.</p>
Figure 2 in Mammal diversity among vertical strata and the evaluation of a survey technique in a central Amazonian forest
Figure 2. Species accumulation curve for (A) sampling effort (camera trap days) and (B) completeness of vertical strata.
Figure 1 in Mammal diversity among vertical strata and the evaluation of a survey technique in a central Amazonian forest
Figure 1. Locations of the nine paired camera traps located in the Cuieiras Biological Reserve, Brazil. F represents the floor stratum and C represents the canopy stratum.
Data from: Spatiotemporal dynamics of the ant community in a dry forest differ by vertical strata but not by successional stage
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Data from: Distance-decay differs among vertical strata in a tropical rainforest
1. Assemblage similarity decays with geographic distance—a pattern known as the distance-decay relationship. While this pattern has been investigated for a wide range of organisms, ecosystems, and geographical gradients, whether these changes vary more cryptically across different forest strata (from ground to canopy) remains elusive. 2. Here, we investigated the influence of ground vs arboreal assemblages to the general distance-decay relationship observed in forests. We seek to explain differences in distance-decay relationships between strata in the context of the vertical stratification of assemblage composition, richness, and abundance. 3. We surveyed for a climate sensitive model organism, amphibians, across vertical rainforest strata in Madagascar. For each tree, we defined assemblages of ground-dwelling, understory, or canopy species. We calculated horizontal distance-decay in similarity across all trees, and across assemblages of species found in different forest strata (ground, understory, and canopy). 4. We demonstrate that within stratum comparisons exhibit a classic distance-decay relationship for canopy and understory communities but no distance-decay relationships for ground communities. We suggest that differences in horizontal turnover between strata may be due to local scale habitat and resource heterogeneity in the canopy, or the influence of arboreal traits on species dispersal and distribution. 5. Synthesis: Biodiversity patterns in horizontal space were not consistent across vertical space, suggesting that canopy fauna may not play by the same set of 'rules' as their conspecifics living below them on the ground. Our study provides compelling evidence that the above-ground amphibian assemblage of tropical rainforests is the primary driver of the classical distance-decay relationship.
Data from: Distance-decay differs among vertical strata in a tropical rainforest
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Sand fly (Phlebotominae) activity and abundance in vertical strata in a tropical dry forest in the Yucatan Peninsula, Mexico
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Outer bounds: forest edges emulate vertical strata as a habitat filter for butterfly assemblages.
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Figure 2 in Assessing high compositional differences of beetle assemblages across vertical woodland strata in the New Forest, Hampshire, England
Figure 2. Species accumulation curves created by rarefaction for each sampling method. Vertical bars = 95% confidence limits around the species richness estimate.
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OpenNeuro
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