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346 results for “cave diversity”
Fig. 9 in Diversity and distribution of Pleioplectron Hutton cave wētā (Orthoptera: Rhaphidophoridae: Macropathinae), with the synonymy of Weta Chopard and the description of seven new species
Fig. 9. Adult male terminalia of cave wētā in the genus Pleioplectron Hutton, 1896. Left column: ventral view (subgenital plate); central column: dorsal view; right column: lateral view. A–C. P. gubernator sp. nov., Lewis Pass. A. MPN CW4063. B. MPN CW4067 C. MPN CW4059. D–F. P. caudatum sp. nov., Brewster Hut Track, Haast Pass (MPN CW4053). G–I. P. flavicorne sp. nov., Brewster Hut Track, Haast Pass (MPN CW4055). J–L. P. crystallae sp. nov., Cave Brook, Gouland Downs, Heaphy Track. J. MPN CW3994. K–L. MPN CW3995. M–O. P. rodmorrisi sp. nov., Kahutara Saddle, Seaward Kaikōura Range. M. MPN CW3536. N–O. MPN CW3395. Scale bars = 1 mm.
Figure 9 in Current status of faunal diversity of Siju Cave, South Garo Hills, Meghalaya
Figure 9. Fauna of Siju Cave. G. Cubaris cavernosus, H. Metassamia septemdentata, I. Heteropoda robusta, J. Typhloblatta caeca, K. Kempiola longipes and L. Tachys micraulax.
Figure 1 in Current status of faunal diversity of Siju Cave, South Garo Hills, Meghalaya
Figure 1. Map of Siju Cave showing the explored parts. (Courtesy: Meghalaya Adventurers' Association, Shillong).
Linked collectors and determiners for: Diversity and distribution of Pleioplectron Hutton cave wētā (Orthoptera: Rhaphidophoridae: Macropathinae), with the synonymy of Weta Chopard and the description of seven new species.
Natural history specimen data linked to collectors and determiners held within, "Diversity and distribution of Pleioplectron Hutton cave wētā (Orthoptera: Rhaphidophoridae: Macropathinae), with the synonymy of Weta Chopard and the description of seven new species". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/9602fa47-6df3-4388-81f3-1bba8ceea5de">https://bionomia.net/dataset/9602fa47-6df3-4388-81f3-1bba8ceea5de</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/9602fa47-6df3-4388-81f3-1bba8ceea5de">https://gbif.org/dataset/9602fa47-6df3-4388-81f3-1bba8ceea5de</a>. Formatted as a Frictionless Data package.
The hidden legacy of megafaunal extinction: loss of functional diversity and resilience over the late Quaternary at Hall's Cave
<p>This dataset contains trait data and R code used in the analysis for the paper "Hedberg, C.P., Lyons S.K., & Smith F.A. (2021). THe Hidden Legacy of megafaunal extinction: loss of functional diversity and resilience over the Late Quaternary at Hall's Cave. Global Ecology and Biogeography. https://doi.org/10.1111/geb.13428"</p> <p>We collected data for eight functional traits (mass, diet, arboreality, cursoriality, soil disturbance, group size, activity period, migration habit) that collectively describe a species' ecological role and influence on ecosystem processes. With these data, we investigated changes in functional diversity and redundancy of a local mammal community over time at Hall's Cave, a site in Central Texas with a continuous record from 21,000 years ago to the present. Additionally, we included several common introduced and domestic species to the modern community to test whether they restore some lost ecological function. </p> <p>We found that declines in functional diversity were greater than expected given the decrease in species richness, implying lost taxa contributed higher than average distinct ecological function. Functional distances between remaining species increased through time leading to lowered functional redundancy in younger communities. However, recently introduced taxa increased functional diversity to levels similar to the Holocene and partially restored functional space occupied by Late Pleistocene fauna. Our local-scale analysis demonstrates how prolonged biodiversity erosion not only leads to functionally depauperate communities, but critically lowers ecological resilience to future disturbance.</p>
Data from: Invertebrate diversity in groundwater filled lava caves is influenced by both neutral and niche-based processes
<p><strong>Aim</strong>: Understanding which factors shape and maintain biodiversity is essential to understand how ecosystems respond to crises. Biodiversity in ecological communities is a result of the interaction of various factors which can be classified as neutral or niche-based. The importance of these processes has been debated, but many scientists believe that both processes are important. Here we examined the importance of neutral vs. niche-based factors for shaping invertebrate communities. We hypothesized that if neutral processes are the main drivers of community structure we would not see any clear relationship between the structure of community and ecological factors. If niche-based processes are important we should see clear relationships between community structure and variation in ecological variables.</p> <p><strong>Location</strong>: Groundwater-filled lava caves near Lake Mývatn, Iceland.</p> <p><strong>Methods</strong>: We collected various ecological variables from these caves. Invertebrate communities were collected on the hard bottom using stone scrubbing and from epibenthic traps. Results: Both communities were species-poor, with low densities of invertebrates, showing the resource-limited and oligotrophic nature of these systems. Unusually for Icelandic freshwater ecosystems, the benthic communities were not dominated by Chironomidae (Diptera) larvae, but rather by crustaceans, mainly Cladocera. The epibenthic communities were not shaped by environmental variables, suggesting that they may be structured primarily by neutral processes. The benthic communities were shaped by the availability of energy, and to some extent pH, suggesting that niche-based processes were important drivers of community structure, although neutral processes may still be relevant. </p> <p><strong>Main conclusions</strong>: The results suggest that both processes are important for invertebrate communities in freshwater, and research should focus on understanding both of these processes. The ponds we studied are representative of a number of freshwater ecosystems that are extremely vulnerable to human disturbance, making it even more important to understand how their biodiversity is shaped and maintained.</p>
Figure 7 in Current status of faunal diversity of Siju Cave, South Garo Hills, Meghalaya
Figure 7. The main cave stream of Do·bak Khol, c. 1500 m
Figure 5. A in Current status of faunal diversity of Siju Cave, South Garo Hills, Meghalaya
Figure 5. A cave pillar of Siju c. 1000 m from entrance.
Figure 2 in Current status of faunal diversity of Siju Cave, South Garo Hills, Meghalaya
Figure 2. The cave entrance of Siju.
Data from: Invertebrate diversity in groundwater filled lava caves is influenced by both neutral and niche-based processes
Open the record for dataset details and reuse information.
The hidden legacy of megafaunal extinction: loss of functional diversity and resilience over the late Quaternary at Hall’s Cave
Open the record for dataset details and reuse information.
Data from: The diverse dietary profiles of MIS 3 cave bears from the Romanian Carpathians: insights from stable isotope (δ13C and δ15N) analysis
Late Pleistocene European cave bears (Ursus spelaeus) have been considered to be largely vegetarian, although stable isotope data (δ13C and δ15N values) from the Romanian Carpathians has suggested considerable dietary variation. Here we evaluate previous and additional adult cave bear isotopic data from four Marine Isotope Stage 3 (MIS 3) sites in the Carpathians. Peştera Urşilor (N = 35), Peştera Cioclovina (N = 32), Peştera Muierilor (N = 8), and Peştera cu Oase (N = 72) provide both a dichotomy between samples suggesting vegetarian diets (from Cioclovina and Muierilor) and more omnivorous diets (from Urşilor and Oase), and considerable isotopic variation within samples from each site. While an inference of a strictly vegetarian diet may apply to groups that lived in ecosystems which restricted the available animal protein for these large ursids, the within and between sample isotopic variation among the Carpathian cave bears indicates considerable flexibility in their sources of protein and hence in their dietary regimes. In addition, developmental assessment of Cioclovina isotopic profiles (neonates, juveniles, sub-adults and adults) provides patterns of transfer of stable isotope signatures throughout immature life for both δ13C and δ15N (increase and decrease, respectively), whereas those from Urşilor show little developmental shift.
FIGURES 13–15 in Genus Neelus Folsom, 1896 (Hexapoda, Collembola) reveals its diversity in cave habitats: two new species from Croatia
FIGURES 13–15. Neelus cvitanovici sp. nov.: 13, antenna, dorsal view (subapical organite of Ant. IV enlarged); 14, retinaculum; 15, furca, posterior view.
FIGURES 25–26 in Genus Neelus Folsom, 1896 (Hexapoda, Collembola) reveals its diversity in cave habitats: two new species from Croatia
FIGURES 25–26. Neelus lackovici sp. nov.: 25, male genital plate, Abd. VI st.—sternum, Abd. IV st.—sternum, nsneosminthuroid chaetae, av—anal valve mesochaetae, Μ.av—microchaetae of anal valves; 26, female genital plate.
FIGURES 8–12 in Genus Neelus Folsom, 1896 (Hexapoda, Collembola) reveals its diversity in cave habitats: two new species from Croatia
FIGURES 8–12. Neelus cvitanovici sp. nov.: 8, chaetotaxy and arrangement of sensory fields on on thorax and abdomen, specimen from Markov ponor cave, sf 4–6—sensory field 4–6, ns—neosminthuroid chaetae, τ— τ-chaetae, * indicates variability in type of chaetae; 9, thoracal sensory field with τ-chaetae and 2+2 axial chaetae above s.f.; 10, posterior part of abdomen, specimen from Markov ponor cave, av—anal valve chaetae, Μ.av—microchaetae of anal valves, * indicates variability in type of chaetae; 11, Abd. IV-VI half-sterna; 12, tubus ventralis, lateral view.
FIGURES 4–7 in Genus Neelus Folsom, 1896 (Hexapoda, Collembola) reveals its diversity in cave habitats: two new species from Croatia
FIGURES 4–7. Neelus cvitanovici sp. nov.: 4, head, dorsal side, anterior labral row enlarged, sf 1–2—sensory field 1 and 2; 5, maxilla, different views; 6, maxillary outer lobe; 7, ventral side of head with labium and connection of integumentary channels with linea ventralis.
FIGURES 27–28 in Genus Neelus Folsom, 1896 (Hexapoda, Collembola) reveals its diversity in cave habitats: two new species from Croatia
FIGURES 27–28. Neelus lackovici sp. nov.: 27, antenna, dorsal view (subapical organite of Ant. IV enlarged); 28, furca, posterior view.
FIGURES 23–24 in Genus Neelus Folsom, 1896 (Hexapoda, Collembola) reveals its diversity in cave habitats: two new species from Croatia
FIGURES 23–24. Neelus lackovici sp. nov.: 23, chaetotaxy and arrangement of sensory fields on thorax and anterior part of abdomen, sf 3–5—sensory field 3–5, τ—τ-chaetae; 24, posterior part of abdomen with s2 sensillum enlarged, sf 6—sensory field 6, av—anal valve chaetae.
FIGURE 1 in Genus Neelus Folsom, 1896 (Hexapoda, Collembola) reveals its diversity in cave habitats: two new species from Croatia
FIGURE 1. Distribution map of the genus Neelus showing all records in Croatian caves, and type locality of N. klisurensis in Kosovo.
FIGURES 19–22 in Genus Neelus Folsom, 1896 (Hexapoda, Collembola) reveals its diversity in cave habitats: two new species from Croatia
FIGURES 19–22. Neelus lackovici sp. nov.: 19, head, dorsal side with anterior labral chaetae enlarged, sf 1–2—sensory field 1 and 2; 20, maxilla, different views; 21, maxillary outer lobe; 22, ventral side of head with labium.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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OpenNeuro
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