Find research datasets worth reusing
Search datasets from major research repositories and use ShareScore to quickly assess how well each record supports discovery, access, and reuse.
11,983
datasets available to search
ShareScore release 0.9.0
Dataset results
11,983 results for “africa”
Spatial patterns, availability and cultural preferences for edible plants in southern Africa
<p>Aim<br> We investigated whether cross-cultural food plant selection in southern Africa is best explained by language ancestry, floristic environment or subsistence strategy.<br> Location<br> The flora of southern Africa region.<br> Taxa<br> All 1740 edible plant taxa of southern Africa, representing 711 genera in 156 families.<br> Methods<br> Distribution data of plants were overlapped in ArcMap with 19 language maps, eight biomes and all taxa with nutritional data. Six correlations were estimated between five pair-wise distance matrices (language ancestry, geographical proximity, floristic and edible environments and utilised species) with Mantel tests using the 'vegan' package in R. Regression analyses were used to identify floristic and cultural preferences in food plant selection.<br> Results<br> Spatial autocorrelation did not influence the selection of edible plants by the 19 language groups of southern Africa (r = -0.078). The floristic and edible environments had a strong correlation (r = 0.9743) while the distance matrices of the edible and actually utilised plants had a low correlation for 13 of the language groups (r = 0.2174). Regression analyses between the floristic and edible environments for the FSA region and three languages, representing hunter-gatherers (Ju│'hoan), pastoralists (Khoekhoe) and agrarians (Venda) were all significant (p <0.001) with high R2 values (respectively 0.6181, 0.7702, 0.6654 and 0.7900), as were the relationship (p <0.001) between what is edible and what was actually utilised. Surprisingly, the Apocynaceae had a much higher residual value than globally important food plant families. Vitamin C of fruits seems to have higher levels along the coastal regions, and carbohydrates in underground storage organs have higher levels in the summer-arid western region.<br> Main conclusions<br> There is an apparent preference for certain food plant families in southern Africa. This selection appears to be driven by subsistence strategy, based on the categories of plants preferred by the three representative language groups.</p>
Figures 70–72 in Scorpions of the Horn of Africa (Arachnida: Scorpiones). Part XXV. Description of Pandinurus awalei sp. n. and the male of Pandiborellius somalilandus (Kovařík, 2012), with remarks on recent synonymies (Scorpionidae: Pandininae)
Figures 70–72. Pandinurus awalei sp. n., left hemispermatophore, capsule, anterior (70), concave (71) and convex (72) views. Scale bar: 1 mm.
Figures 40–47 in Scorpions of the Horn of Africa (Arachnida: Scorpiones). Part XXV. Description of Pandinurus awalei sp. n. and the male of Pandiborellius somalilandus (Kovařík, 2012), with remarks on recent synonymies (Scorpionidae: Pandininae)
Figures 40–47: Pandinurus awalei sp. n. Figures 40, 45–47. Male holotype, telson lateral (40), and metasoma and telson lateral (45), ventral (46), and dorsal (47) views. Figures 41–44. Paratype female, telson lateral (41), and metasoma and telson lateral (42), ventral (43), and dorsal (44) views. Scale bars: 10 mm (42–44, 45–47).
Figures 25–28 in Scorpions of the Horn of Africa (Arachnida: Scorpiones). Part XXV. Description of Pandinurus awalei sp. n. and the male of Pandiborellius somalilandus (Kovařík, 2012), with remarks on recent synonymies (Scorpionidae: Pandininae)
Figures 25–28. Pandinurus awalei sp. n., male holotype, dorsal (25) and ventral (26) views, and right chelicera in dorsal (27) and ventral (28) aspects. Scale bar: 10 mm (25–26).
Figures 73–74 in Scorpions of the Horn of Africa (Arachnida: Scorpiones). Part XXV. Description of Pandinurus awalei sp. n. and the male of Pandiborellius somalilandus (Kovařík, 2012), with remarks on recent synonymies (Scorpionidae: Pandininae)
Figures 73–74. Pandinurus awalei sp. n., female paratype at the type locality (73) and with newborns (74).
Figures 5–11 in Scorpions of the Horn of Africa (Arachnida: Scorpiones). Part XXV. Description of Pandinurus awalei sp. n. and the male of Pandiborellius somalilandus (Kovařík, 2012), with remarks on recent synonymies (Scorpionidae: Pandininae)
Figures 5–11. Pandiborellius somalilandus, male from locality No. 19SL, carapace and tergites I–IV (5), coxosternal area and sternites (6), telson (7), left leg IV, retrolateral aspect (8), metasoma and telson in lateral (9), ventral (10), and dorsal (11) views. Scale bar: 10 mm (9–11).
Figures 29–30 in Scorpions of the Horn of Africa (Arachnida: Scorpiones). Part XXV. Description of Pandinurus awalei sp. n. and the male of Pandiborellius somalilandus (Kovařík, 2012), with remarks on recent synonymies (Scorpionidae: Pandininae)
Figures 29–30. Pandinurus awalei sp. n., female paratype in dorsal (29) and ventral (30) views. Scale bar: 10 mm.
Figures 31–39 in Scorpions of the Horn of Africa (Arachnida: Scorpiones). Part XXV. Description of Pandinurus awalei sp. n. and the male of Pandiborellius somalilandus (Kovařík, 2012), with remarks on recent synonymies (Scorpionidae: Pandininae)
Figures 31–39. Pandinurus awalei sp. n. Figures 31, 33, 35–38. Male holotype, carapace and tergites I–IV (31), coxosternal area and sternites (33), and left legs I–IV, retrolateral aspect (35–38). Figures 32, 34, and 39. Female paratype, carapace and tergites I–III (32), coxosternal area and sternites III–IV (34), and left leg IV, retrolateral aspect (39).
Figures 48–52 in Scorpions of the Horn of Africa (Arachnida: Scorpiones). Part XXV. Description of Pandinurus awalei sp. n. and the male of Pandiborellius somalilandus (Kovařík, 2012), with remarks on recent synonymies (Scorpionidae: Pandininae)
Figures 48–52: Pandinurus awalei sp. n. Figures 48–52. Male holotype, pedipalp chela and patella dorsal (48), external (49) and ventral (50) views, femur and trochanter dorsal (51), and ventral (52) views. Figure 53. Type locality
Mapping Africa's biodiversity: more of the same is just not good enough
Species distribution data are fundamental to the understanding of biodiversity patterns and processes. Yet, such data are strongly affected by sampling biases, mostly related to site accessibility. The understanding of these biases is therefore crucial in systematics, biogeography and conservation. Here we present a novel approach for quantifying sampling effort and its impact on biodiversity knowledge, focusing on Africa. In contrast to previous studies assessing sampling completeness (percentage of species recorded in relation to predicted), we investigate whether the lack of knowledge of a site attracts scientists to visit these areas and collect samples of species. We then estimate the time required to sample 90% of the continent under a constant sampling rate and the number of sampling events required to record ≥50% of the species. Using linear and spatial regression models, we show that previous sampling has been strongly influencing the resampling of areas, attracting repeated visits. This bias has existed for over two centuries, has increased in recent decades, and is most pronounced among mammals. It may take between 172 and 274 years, depending on the group, to achieve at least one sampling event per grid cell in the entire continent. Just one visit will however not be enough: in order to record ≥50% of the current diversity, it will require at least 12 sampling events for amphibians, 13 for mammals and 27 for birds. Our results demonstrate the importance of sampling areas that lack primary biodiversity data and the urgency with which this needs to be done. Current practice is insufficient to adequately classify and map African biodiversity; it can lead to incorrect conclusions being drawn from biogeographic analyses, and can result in misleading and self-reinforcing conservation priorities.
FIGURE 4 in A new Eumerus hoverfly (Diptera: Syrphidae) from Namibia and South Africa with notes on similar species
FIGURE 4. Eumerus lyneborgi sp. nov., male, holotype, overall appearance. A: dorsal view; B: lateral view. Scale bar = 1 mm.
FIGURE 6 in A new Eumerus hoverfly (Diptera: Syrphidae) from Namibia and South Africa with notes on similar species
FIGURE 6. Eumerus lyneborgi sp. nov., female, paratype (Namibia), overall appearance. A: dorsal view; B: lateral view. Scale bar = 2 mm.
FIGURE 1 in A new Eumerus hoverfly (Diptera: Syrphidae) from Namibia and South Africa with notes on similar species
FIGURE 1. Habitat of Eumerus lyneborgi sp. nov. at The National Botanic Garden of Namibia, Windhoek. A: unmodified highland savannah landscape (Photo: José Manuel Miquel); B: Kaoko Kobas, Cyphostemma uter (Vitaceae), where E. lyneborgi sp. nov. adults were spotted flying (Photo: Eduardo Galante).
FIGURE 11 in A new Eumerus hoverfly (Diptera: Syrphidae) from Namibia and South Africa with notes on similar species
FIGURE 11. Eumerus vestitus, females, paralectotypes, metatibiae. A: specimen with typical E. vestitus morphology; B: outlier specimen (non-conspecific?). Scale bar = 0.25 mm.
FIGURE 10 in A new Eumerus hoverfly (Diptera: Syrphidae) from Namibia and South Africa with notes on similar species
FIGURE 10. Eumerus vestitus, females, paralectotypes, frons (A, B), antennae and eyes (C, D). A, C: specimen with typical E. vestitus morphology; B, D: outlier specimen (non-conspecific?). Scale bar = 0.5 mm.
FIGURES 30–32 in Review of the Cyana rejecta (Walker, 1854) species-group, with descriptions of three new species from mainland Africa and a new subspecies from Madagascar (Lepidoptera, Erebidae, Arctiinae, Lithosiini)
FIGURES 30–32. Cyana yao sp. n.: male genitalia. Depositories of specimens: 30 in ANHRT; 31 and 32 in NHMUK (©).
FIGURES 27–29 in Review of the Cyana rejecta (Walker, 1854) species-group, with descriptions of three new species from mainland Africa and a new subspecies from Madagascar (Lepidoptera, Erebidae, Arctiinae, Lithosiini)
FIGURES 27–29. Cyana rejecta sspp.: male genitalia. Depositories of specimens: 27 and 29 in NHMUK (©); 28 in ZSM.
FIGURES 11–18 in Review of the Cyana rejecta (Walker, 1854) species-group, with descriptions of three new species from mainland Africa and a new subspecies from Madagascar (Lepidoptera, Erebidae, Arctiinae, Lithosiini)
FIGURES 11–18. Cyana spp.: adults. Depositories of specimens: 11, 16 and 17 in ANHRT; 12–15 and 18 in NHMUK (©).
FIGURES 19–26 in Review of the Cyana rejecta (Walker, 1854) species-group, with descriptions of three new species from mainland Africa and a new subspecies from Madagascar (Lepidoptera, Erebidae, Arctiinae, Lithosiini)
FIGURES 19–26. Cyana spp.: adults. Depositories of specimens: 19–24 in ANHRT; 25 in ZSM; 26 in NHMUK (©).
FIGURES 36–38 in Review of the Cyana rejecta (Walker, 1854) species-group, with descriptions of three new species from mainland Africa and a new subspecies from Madagascar (Lepidoptera, Erebidae, Arctiinae, Lithosiini)
FIGURES 36–38. Cyana cornutissima sp. n.: male genitalia. Depositories of specimens: 36 and 37 in ANHRT; 38 in NHMUK (©).
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.