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851 results for “East Africa”
FIG. 7 in A Cryptic New Species of Polemon (Squamata: Lamprophiidae, Aparallactinae) from the Miombo Woodlands of Central and East Africa
FIG. 7. Photograph of miombo woodland habitat of the paratype of Polemon ater in Kalakundi, Lualaba Province, Democratic Republic of the Congo (photo: WRB).
FIG. 4 in A Cryptic New Species of Polemon (Squamata: Lamprophiidae, Aparallactinae) from the Miombo Woodlands of Central and East Africa
FIG. 4. Photographs of the holotype of Polemon ater, PEM R20734 (254 mm SVL), subadult male from Fungurume, Lualaba Province, Democratic Republic of the Congo, in life (photos: CRT). (A) Closeup of head; (B) anterior body and tongue; (C) entire body.
FIG. 1 in A Cryptic New Species of Polemon (Squamata: Lamprophiidae, Aparallactinae) from the Miombo Woodlands of Central and East Africa
FIG. 1. Phylogenetic tree depicting relationships of African Polemon, based on Portillo et al. (2018). Branch support values are Bayesian inference posterior probabilities/maximum likelihood bootstrap support values. See Data Accessibility for tree file.
FIG. 3 in A Cryptic New Species of Polemon (Squamata: Lamprophiidae, Aparallactinae) from the Miombo Woodlands of Central and East Africa
FIG. 3. Scatter plots of PC1 and PC2 scores for the analysis with morphometric data regressed against SVL for examined specimens of Polemon.
FIG. 2 in A Cryptic New Species of Polemon (Squamata: Lamprophiidae, Aparallactinae) from the Miombo Woodlands of Central and East Africa
FIG. 2. Map of Central Africa showing sampling localities for Polemon christyi and P. ater. Star represents the type locality for the new species.
FIG. 6 in A Cryptic New Species of Polemon (Squamata: Lamprophiidae, Aparallactinae) from the Miombo Woodlands of Central and East Africa
FIG. 6. Line drawings of dorsal views of the (A) holotype of Polemon ater (PEM R20734), (B) holotype of P. christyi (BMNH 1946.1.8.88), (C) holotype of P. collaris (ZMB 10045), and (D) paratype of P. gabonensis (BMNH 1946.1.3.4). Scale bars represent 2 mm.
FIG. 5 in A Cryptic New Species of Polemon (Squamata: Lamprophiidae, Aparallactinae) from the Miombo Woodlands of Central and East Africa
FIG. 5. Line drawings of lateral views of the (A) holotype of Polemon ater (PEM R20734), (B) holotype of P. christyi (BMNH 1946.1.8.88), (C) holotype of P. collaris (ZMB 10045), and (D) paratype of P. gabonensis (BMNH 1946.1.3.4). Scale bars represent 2 mm.
FIGURE 2. Dorstenia marijanmatokii. A in A new species and new records of Dorstenia (Moraceae, Dorstenieae) from Rwanda, East Africa
FIGURE 2. Dorstenia marijanmatokii. A, receptacle, frontal view; B, receptacle, lateral view, scale bar 1 cm. All photos taken at the type locality by E. Fischer (Eb. Fischer 14015, BR).
FIGURE 4 in A new species and new records of Dorstenia (Moraceae, Dorstenieae) from Rwanda, East Africa
FIGURE 4. Dorstenia marijanmatokii (left) and D. nyungwensis (right). A, habit, scale bar 5 cm; B, detail of inflorescences with receptacles, scale bar 1 cm. All photos by E. Fischer.
FIGURE 1. Dorstenia marijanmatokii. A in A new species and new records of Dorstenia (Moraceae, Dorstenieae) from Rwanda, East Africa
FIGURE 1. Dorstenia marijanmatokii. A, habit, scale bar 3 cm; B, C, detail of inflorescence with receptacles, scale bar 1 cm; D, detail of lower leaf surface, scale bar 5 mm; E, detail of receptacle with flowers, scale bar 0.25 mm. All photos taken at the type locality by E. Fischer (Eb. Fischer 14015, BR).
FIGURE 5. Dorstenia brownii. A, B in A new species and new records of Dorstenia (Moraceae, Dorstenieae) from Rwanda, East Africa
FIGURE 5. Dorstenia brownii. A, B, detail of inflorescence with receptacles, scale bar 1 cm; Nyungwe NP, Cyamudongo. Dorstenia psilurus var. psilurus. C, habit, scale bar 5 cm; D, detail of inflorescence, scale bar 5 cm; E, detail of receptacle, scale bar 5 mm; F, detail of receptacle, scale bar 1 mm. Volcano NP, Ibuhanga Forest. All photos by E. Fischer.
FIGURE 3. Dorstenia nyungwensis. A, B in A new species and new records of Dorstenia (Moraceae, Dorstenieae) from Rwanda, East Africa
FIGURE 3. Dorstenia nyungwensis. A, B, detail of inflorescence with receptacles, scale bar 1 cm; C, detail of receptacle, scale bar 5 mm; D, detail of lower leaf surface, scale bar 1 mm; E, receptacle, scale bar 5 mm. All photos taken in Nyungwe NP, Kamiranzovu swamp by E. Fischer (Eb. Fischer 14026, KOBL).
FIGURE 4. Cissampelos keniensis. A in Cissampelos keniensis (Menispermaceae), a new species from Mt. Kenya, East Africa
FIGURE 4. Cissampelos keniensis. A. Female plant (Zhou & Mbuni 16/17, HIB!); B. Male inflorescences (Zhou & Mbuni 16/14, HIB!); C. Male flower (Zhou & Mbuni 16/14, HIB!); D. Female flower (Zhou & Mbuni 16/17, HIB!); E. Fruit (Zhou & Mbuni 16/17, HIB!). F. Endocarp (Zhou & Mbuni 16/17, HIB!). Drawings by Y.D. Zhou & N. Jia.
FIGURE 3. Cissampelos keniensis. A. Male plant. B. Leaves. C. Male inflorescences with male flowers. D. Female inflorescences. E. Female flowers. F. Fruits. G in Cissampelos keniensis (Menispermaceae), a new species from Mt. Kenya, East Africa
FIGURE 3. Cissampelos keniensis. A. Male plant. B. Leaves. C. Male inflorescences with male flowers. D. Female inflorescences. E. Female flowers. F. Fruits. G. Endocarps. Photographs: Y.D. Zhou.
FIGURE 1 in Cissampelos keniensis (Menispermaceae), a new species from Mt. Kenya, East Africa
FIGURE 1. Scanning electron micrographs of the leaves of eight Cissampelos species from tropical East Africa. A–C. C. friesiorum (Conradis in E.A.H. 10434, EA!): A & B. Abaxial surface, C. Adaxial surface; D–F. C. mucronata (Hanid & Kiniaruh 679, EA!): D & E. Abaxial surface, C. Adaxial surface; G–I. C. nigrescens (Mwasumbi LBM10433, EA!): G & H. Abaxial surface, I. Adaxial surface; J–L. C. owariensis (Luke et al. 10040, EA!): J & K. Abaxial surface, L. Adaxial surface; M–O. C. pareira (Archer 87, EA!): M & N. Abaxial surface, O. Adaxial surface; P–R. C. rigidifolia (Mwasumbi et al. 13351, EA!): P & Q. Abaxial surface, R. Adaxial surface; S–U. C. torulosa (Strey 9169, EA!): S & T. Abaxial surface, U. Adaxial surface. V–X. C. keniensis (Zhou & Mbuni 16/20, HIB!): V & W. Abaxial surface, X. Adaxial surface. Scale bars: A, C, D, F, G, I, J, L, M, O, P, R, S, U, V & X = 500 μm; B, E, H, K, N, Q, T & W = 100 μm.
FIGURE 2. Calyptocarpus vialis Less. A in Calyptocarpus (Asteraceae: Heliantheae: Ecliptinae), a newly naturalized genus in Tropical East Africa
FIGURE 2. Calyptocarpus vialis Less. A. Habit; B. Capitulum; C. Ray floret; D. Disc floret with palea; E. Achenes; F. Corolla; G. Anther; H. Floret showing style branches.
FIGURE 1 in Calyptocarpus (Asteraceae: Heliantheae: Ecliptinae), a newly naturalized genus in Tropical East Africa
FIGURE 1. Cladogram of the maximum likelihood (ML) phylogenetic tree based on combined data (ITS & ETS). Numbers near the nodes represent Ultrafast bootstrap values (UBS). Boldface letter indicated newly added sequence.
Data from: Impact of habitat fragmentation on the spatial structure of the Eastern Arc Forests in East Africa: implications for biodiversity conservation
The Eastern Arc Mountains in Tanzania and Kenya are one of 35 global biodiversity hotspots. The Eastern Arc forests are, as are many other tropical biodiversity hotspots, highly fragmented. Understanding the impact of habitat fragmentation (i.e., habitat loss and subdivision) on the spatial structure of the Eastern Arc forests is important because forest spatial structure highly influences species richness, persistence, and extinction debt. Here we examine the impact of habitat fragmentation on the spatial structure of the Eastern Arc forests at a patch scale using very high resolution aerial imagery having a spatial resolution of 0.5–1.5 m. Forest area across the 13 Eastern Arc Mountains is 405,852 ha and is distributed into 311 fragments ≥ 10 ha in size with a median fragment size of 84 ha. The 18 largest forest fragments in the Eastern Arc Mountains contain greater than three-quarters of total forest area. Average fragment isolation, as assessed by median distance to nearest fragment and median distance to the nearest larger fragment, is 867 and 1533 m, respectively. Of total forest area, 14% is < 100 m from the forest edge and 33% is < 300 m from the forest edge. Establishing forested linkages among the largest and closest forest fragments through forest regeneration and protection of secondary regenerating forest as well as providing protected area status to the remaining non-protected forest including unprotected smaller forest fragments are important to enhancing the long-term persistence of many plant and animal species here.
FIGURE 21 in Additions to the aspidochirotid, molpadid and apodid holothuroids (Echinodermata: Holothuroidea) from the east coast of southern Africa, with descriptions of new species
FIGURE 21. Holothuria (Vaneyothuria) integra Koehler & Vaney, 1908. SAM–A27945. A. buttons from lateral body wall; B. buttons from ventral body wall; C. tables from lateral body wall; D. tables from ventral body wall; E. rods from lateral podia; F. plates from ventral podia; G. plates from lateral podia; H. rods from tentacles; I. Polian vesicles (PV), water vascular ring (WVR) and stone canals from left cluster; J. stone canals from right cluster; K. part of calcareous ring. (A–H. scale a; I–K scale b)
FIGURE 22 in Additions to the aspidochirotid, molpadid and apodid holothuroids (Echinodermata: Holothuroidea) from the east coast of southern Africa, with descriptions of new species
FIGURE 22. Holothuria (Vaneyothuria) integra Koehler & Vaney, 1908. SAM–A27946. A. buttons from ventral body wall; B. spinose-margined tables from ventral body wall; C. buttons/plates from ventral body wall; D. rods from ventral tube feet; E. rods from tentacles. (All drawn to same scale)
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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.