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129 results for “Island biodiversity”
FIGURES 22–26 in Endemics and adventives: Thysanoptera (Insecta) biodiversity of Norfolk, a tiny Pacific Island
FIGURES 22–26. Priesneria akestra sp. n. (22) Head; (23) Mesonotum and metanotum; (24) Antennal segments III–VIII; (25) Pronotum; (26) Pelta and tergite II.
FIGURE 10 in Brachyopa minima (Diptera: Syrphidae), a new species from Greece with notes on the biodiversity and conservation of the genus Brachyopa Meigen in the Northern Aegean Islands
FIGURE 10. Breeding media of Brachyopa larvae on Populus nigra. A: state of the damaged area of the tree in 2007; B: state of the damaged area of the tree in 2013; C: female of B. minima sp. nov. ovipositing; D–F: microhabitat of Brachyopa larva.
FIGURE 8 in Brachyopa minima (Diptera: Syrphidae), a new species from Greece with notes on the biodiversity and conservation of the genus Brachyopa Meigen in the Northern Aegean Islands
FIGURE 8. Third instar larva of Brachyopa bicolor. Abbreviatios: 7as—7th abdominal segment; ans—anal segment; lplappets; prp—posterior breathing tube. Scale = 1 mm.
FIGURE 7 in Brachyopa minima (Diptera: Syrphidae), a new species from Greece with notes on the biodiversity and conservation of the genus Brachyopa Meigen in the Northern Aegean Islands
FIGURE 7. Apical view of posterior breathing tube of Brachyopa minima sp. nov. (SEM). Abbreviations: cs—central scars; is—interspiracular branched setae; so—spiracular opening.
FIGURE 9 in Brachyopa minima (Diptera: Syrphidae), a new species from Greece with notes on the biodiversity and conservation of the genus Brachyopa Meigen in the Northern Aegean Islands
FIGURE 9. Third instar larva of Brachyopa sp. aff. pilosa. Abbreviations: arb—arcuate row of rounded, dark brown blotches; 7as—7th abdominal segment; ans—anal segment; lp—lappets; prp—posterior breathing tube. Scale = 1 mm.
FIGURE 6 in Brachyopa minima (Diptera: Syrphidae), a new species from Greece with notes on the biodiversity and conservation of the genus Brachyopa Meigen in the Northern Aegean Islands
FIGURE 6. Third instar larva of Brachyopa minima sp. nov. Abbreviations: pls—prothoracic longitudinal stripes of conspicuous rounded brown blotches; dca—darker central area; st—sclerotized tubercles; 7as—7th abdominal segment; ansanal segment; lp—lappets; prp—posterior breathing tube. Scale = 1 mm.
FIGURE 4 in Brachyopa minima (Diptera: Syrphidae), a new species from Greece with notes on the biodiversity and conservation of the genus Brachyopa Meigen in the Northern Aegean Islands
FIGURE 4. Lateral view of male terminalia of Brachyopa minima sp. nov.; A–B: epandrium and hypandrium; C: aedeagus. Scale = 0.25 mm.
FIGURE 2 in Brachyopa minima (Diptera: Syrphidae), a new species from Greece with notes on the biodiversity and conservation of the genus Brachyopa Meigen in the Northern Aegean Islands
FIGURE 2. SEMs of head features of male Brachyopa minima sp. nov. A: face; B: orbital strip; C: antenna; D: scutellum.
FIGURE 5 in Brachyopa minima (Diptera: Syrphidae), a new species from Greece with notes on the biodiversity and conservation of the genus Brachyopa Meigen in the Northern Aegean Islands
FIGURE 5. Dorsal view of male terminalia of Brachyopa minima sp. nov. A: epandrium; B: surstylus (SEM); C: hypandrium; D: apex of hypandrium (SEM). Scale = 0.25 mm.
FIGURE 1 in Brachyopa minima (Diptera: Syrphidae), a new species from Greece with notes on the biodiversity and conservation of the genus Brachyopa Meigen in the Northern Aegean Islands
FIGURE 1. Head of Brachyopa minima sp. nov. (A & C: males; B & D: females). A–B: anterior view; C–D: lateral view. Scale = 0.5 mm.
FIGURE 3 in Brachyopa minima (Diptera: Syrphidae), a new species from Greece with notes on the biodiversity and conservation of the genus Brachyopa Meigen in the Northern Aegean Islands
FIGURE 3. Dorsal view of male mesonotum, with bare spots indicated by a, b and c. A–B: Brachyopa minima sp. nov.; C–D: Brachyopa quadrimaculosa. Scale = 1 mm.
Data from: Community assembly and metaphylogeography of soil biodiversity: insights from haplotype-level community DNA metabarcoding within an oceanic island
<p>Most of our understanding of island diversity comes from the study of aboveground systems, while the patterns and processes of diversification and community assembly for belowground biotas remain poorly understood. Here we take advantage of a relatively young and dynamic oceanic island to advance our understanding of eco-evolutionary processes driving community assembly within soil mesofauna. Using whole organism community DNA (wocDNA) metabarcoding and the recently developed metaMATE pipeline, we have generated spatially explicit and reliable haplotype-level DNA sequence data for soil mesofauna assemblages sampled across the four main habitats within the island of Tenerife. Community ecological and metaphylogeographic analyses have been performed at multiple levels of genetic similarity, from haplotypes to species and supraspecific groupings. Broadly consistent patterns of local-scale species richness across different insular habitats have been found, whereas local insular richness is lower than in continental settings. Our results reveal an important role for niche conservatism as a driver of insular community assembly of soil mesofauna, with only limited evidence for habitat shifts promoting diversification. Furthermore, support is found for a fundamental role of habitat in the assembly of soil mesofauna, where habitat specialism is mainly due to colonisation and the establishment of preadapted species. Hierarchical patterns of distance decay at the community level and metaphylogeographical analyses support a pattern of geographic structuring over limited spatial scales, from the level of haplotypes through to species and lineages, as expected for taxa with strong dispersal limitations. Our results demonstrate the potential for wocDNA metabarcoding to advance our understanding of biodiversity.</p>
Fig. 3 in Integrative biodiversity inventory of ants from a Sicilian archipelago reveals high diversity on young volcanic islands (Hymenoptera: Formicidae)
Fig. 3 Haplotype network of mtDNA barcode haplotypes found within the European members of the Lasius alienus species group sensu Seifert and Galkowski (2016). Note the placement of the Sicilian members of the group within the taxon L. casevitzi. Sequences other than those of L. casevitzi are from Schär et al. (2018).
Fig. 2 in Integrative biodiversity inventory of ants from a Sicilian archipelago reveals high diversity on young volcanic islands (Hymenoptera: Formicidae)
Fig. 2 Maximum likelihood tree of 143 DNA barcodes belonging to 44 ant taxa. The scale bar indicates the number of changes per site. The colours given at nodes show % node support from 1000 bootstrap replicates.
Supplemental materials of: Ignored biodiversity in acid soil islands in karst areas, South China: Impatiens longlinensis (Balsaminaceae), a new critically endangered species
<p><span>The karst area in South China is<i> </i>notable for its fragile vegetation and unique flora with many narrow endemics, and is one of the most threatened biodiversity hotspots in the world. However, the biodiversity of acid soil areas scattered in the karst area have previously been underestimated. With a recent increase of new discoveries of plants and animals, the conservation of biodiversity in these acid soil areas has become urgent. This study deals with a new species, <b><i>Impatiens</i> </b><b><i>longlinensis</i></b>. The new species is similar to <i>I. yui</i> S.H.Huang and <i>I. lasiophyton </i>Hook.f. in having pubescence, two lateral sepals, funnelform lower sepal, and linear capsule. But it can be distinguished by having orbicular to obovate dorsal sepals and oblong to elliptic lower and upper lobes of lateral united petals. Moreover, molecular data and micro-morphological evidence also support that the species is new to science. The new species is only known from a valley near the summit of Mt. Jinzhongshan within an area of less than 5 km<sup>2</sup>. Based on the Red List Categories and Criteria developed by the International Union for Conservation of Nature, and the threat posed by exploitation for tourism development, we categorize it as Critically Endangered (CR).</span></p>
FIG. 1 in Biodiversity and biogeography of non-marine Mollusca on the islands of the Southern Ocean
FIG. 1. The islands of the Southern Ocean. Note: Islands within the study area and having land snails are in Roman type. Islands not within the study area but mentioned in text are in italics.
Figure 2 in A preliminary survey of the inland aquatic macroinvertebrate biodiversity of St. Thomas, US Virgin Islands
Figure 2. Forcipomyia sp. 1 larvae: (a) head, right lateral view; (b) head, prothorax and mesothorax, right half, dorsal view; (c) metathorax and abdominal segment I, dorsal view; (d) terminal abdominal segments, right lateral view; (e) terminal abdominal segments, dorsal view. Scale bar = 1 mm.
Figure 1 in A preliminary survey of the inland aquatic macroinvertebrate biodiversity of St. Thomas, US Virgin Islands
Figure 1. Map of St. Thomas (18°21ʹ07.2"N 64°55ʹ33.6"W) and surrounding islets indicating the relative location of sites where specimens were collected. Numbers correspond to the order of the sites in Table 1.
Supplementary material 1 from: Saarela JM, Sokoloff PC, Gillespie LJ, Bull RD (2023) Vascular plant biodiversity of Katannilik Territorial Park, Kimmirut and vicinity on Baffin Island, Nunavut, Canada: an annotated checklist of an Arctic flora. PhytoKeys 217: 1-135. https://doi.org/10.3897/phytokeys.217.90573
Dataset of herbarium specimens documenting the vascular plant flora of Kattanilik Territorial Park and Kimmirut and vicinity, Baffin Island, Nunavut, Canada
Data from: Carving out turf in a biodiversity hotspot: multiple, previously unrecognized shrew species co-occur on Java Island, Indonesia
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Allen Brain Atlas
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OpenNeuro
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