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411 results for “Tropical rainforests”
Figure 11 in Description of two new and six known amphidelphic species of the genus Dorylaimoides Thorne and Swanger, 1936 (Nematoda: Dorylaimida: Tylencholaimoidea) from the Tropical Rainforest, Western Ghats, India
Figure 11. Dorylaimoides silvallis sp. nov. (LM photographs). (a, b) Anterior region; (c) anterior region showing amphid; (d) pharyngeal region; (e) expanded part of pharynx; (f, g) female genital system; (h, i) vulval region; (j, k) female posterior end; (l) male posterior region; (m–o) male posterior region showing spicules. Scale bars: a–c, e–i, m–o = 10 μm; d, j–l = 20 μm.
Figure 7. Dorylaimoides mujtabai Baqri, 1991 in Description of two new and six known amphidelphic species of the genus Dorylaimoides Thorne and Swanger, 1936 (Nematoda: Dorylaimida: Tylencholaimoidea) from the Tropical Rainforest, Western Ghats, India
Figure 7. Dorylaimoides mujtabai Baqri, 1991 (LM photographs). (a, b) Anterior region; (c) anterior region showing amphid; (d) pharyngeal region; (e) expanded part of pharynx; (f) vulval region; (g,h) female genital system; (i) female posterior region. (j) male posterior region; (k) male posterior end. Scale bars: a–c, e–k = 10 μm; d = 20 μm.
Figure 1 in Description of two new and six known amphidelphic species of the genus Dorylaimoides Thorne and Swanger, 1936 (Nematoda: Dorylaimida: Tylencholaimoidea) from the Tropical Rainforest, Western Ghats, India
Figure 1. Dorylaimoides teres Thorne and Swanger, 1936 (LM photographs). (a, b) Anterior region; (c) anterior region showing amphid; (d) pharyngeal region; (e) pharyngeal expansion; (f) expanded part of pharynx; (g, h) female genital system; (i) vulval region; (j) female posterior region; (k) female posterior end; (l, m) male posterior end. Scale bars: a–c, e, f, i, k–m = 10 μm; d, g, h, j = 20 μm.
Figure 6 in Description of two new and six known amphidelphic species of the genus Dorylaimoides Thorne and Swanger, 1936 (Nematoda: Dorylaimida: Tylencholaimoidea) from the Tropical Rainforest, Western Ghats, India
Figure 6. Dorylaimoides malabaricus Ahmad and Jairajpuri, 1982 (LM photographs). (a, b) Anterior region; (c) anterior region showing amphid; (d) pharyngeal region; (e, f) expanded part of pharynx; (g) vulval region; (h) female genital system; (i, j) female posterior region; (k) male posterior region; (l, m) male posterior region showing spicules. Scale bars: a–c, e–g, l, m = 10 μm; d, h, j, k = 20 μm; i = 50 µm.
Figure 10 in Description of two new and six known amphidelphic species of the genus Dorylaimoides Thorne and Swanger, 1936 (Nematoda: Dorylaimida: Tylencholaimoidea) from the Tropical Rainforest, Western Ghats, India
Figure 10. Dorylaimoides silvallis sp. nov. (a) Entire female; (b) entire male; (c, d) anterior region; (e) anterior region showing amphid; (f) expanded part of pharynx; (g) pharyngeal region; (h) female genital system; (i) female posterior region; (j, k) male posterior region.
Figure 5. Dorylaimoides leptura Siddiqi, 1965 in Description of two new and six known amphidelphic species of the genus Dorylaimoides Thorne and Swanger, 1936 (Nematoda: Dorylaimida: Tylencholaimoidea) from the Tropical Rainforest, Western Ghats, India
Figure 5. Dorylaimoides leptura Siddiqi, 1965 (LM photographs). (a, b) Anterior region; (c) anterior region showing amphid; (d) pharyngeal region; (e) expanded part of pharynx; (f, g) female genital system; (h) vulval region; (i) female posterior region; (j) male posterior region; (k) male posterior region showing spicules. Scale bars: a–c, e–h, k = 10 μm; d, i, j = 20 μm.
Fig. 1 in Leaf fossils show a 40-million-year history for the Australian tropical rainforest genus Megahertzia (Proteaceae)
Fig. 1. Megahertzia paleoamplexicaulis leaf specimens. All except (a) are scans by R. S. Hill, University of Adelaide, of D. C. Christophel photographs that were obtained using yellow filtering and fluorescence to show venation; all such images are held in the D.T. Blackburn collection at the University of Adelaide. Compare features shown in Fig. 3. (a, b) P257421 (holotype); (a) recent image, (b) image first shown as fig. 7C in Christophel et al. (1987). (c) AN1806. Note the amplexicaul leaf base. (d) P257291. Note the spinose, acute apex. (e) P257303. (f) P257294. This specimen is likely to have five lobes (including the terminal lobe). (g) AN1807. Scale bar: 1 cm.
Fig. 2 in Leaf fossils show a 40-million-year history for the Australian tropical rainforest genus Megahertzia (Proteaceae)
Fig. 2. Images of Megahertzia paleoamplexicaulis cuticle under (a–d, i) light and (e–h, j) scanning electron microscopy. Compare features shown in Fig. 3. (a) Slide P231730, showing stomata on abaxial side within small areoles. (b) Slide P231734. Note trichome base at upper left and sinuous anticlinal walls. (c) Slide P231730. Note trichome base at upper left and relatively straight anticlinal walls. (d) Slide P231730. Note striations. (e) Outer abaxial surface from leaf AN1806, showing stomatal pores and fine striations. (f) Inner abaxial cuticle from slide P231732. Note slightly granular surface mostly associated with normal pavement cells, and evidence of subsidiary cell striations. (g) Inner abaxial cuticle from leaf P257295. Note granulations. (h) Inner abaxial cuticle from an uncatalogued leaf specimen. Note granulations especially associated with pavement cells. (i) P231735, showing trichome base on adaxial side associated with 11 cells. Note striations radiating from base. (j) Inner adaxial cuticle from slide P231732, showing the position of a trichome base associated with five cells at upper left. Scale bars: (a) 200 µm; (b, c) 100 µm; (e) 50 µm; (d, i) 25 µm; (f, g, j) 20 µm; (h) 10 µm.
Fig. 3 in Leaf fossils show a 40-million-year history for the Australian tropical rainforest genus Megahertzia (Proteaceae)
Fig. 3. Images of extant Megahertzia foliage (a, b), and cuticle, under (c–e, h) light and (f, g, i) scanning electron microscopy. Compare features shown in Fig. 1 and 2. (a) Note amplexicaul leaf bases (courtesy G. Sankowsky, Tolga, Qld). (b) AQ020534. Note lobes, spinose teeth and the acute apex of the lobe at upper right. (c) AQ645333. Note the stomata within obvious areoles. (d) AQ645333. Note cuticular striations; a trichome base is located near centre. (e) AQ645333. Note cuticular striations. (f) Outer abaxial surface, showing stomatal pores and striations. (g) Inner abaxial cuticle associated with a stomate. Note granulations. (h) AQ645333, showing obvious striations. (i) Outer adaxial cuticle showing a trichome base at lower left with radiating striations. Scale bars: (c) 200 µm; (d) 100 µm; (i) 50 µm; (e, h) 25 µm; (f, g) 20 µm.
Data from: Untangling the complex food webs of tropical rainforest streams.
<p>This submission encompasses biological data sampled in five stream stretches at the Cananeia watershed in São Paulo State (Brazil) in 2019.</p> <p>The dataset includes:</p> <p>1) Individually measured data from invertebrates and fish.</p> <p>2) Gut content data from fish species.</p> <p>3) Stable Isotopes data from animals and basal resources.</p> <p>4) A literature compilation of trophic interactions for the species in the dataset.</p>
FIGURE 1 in Phylogeny of the climber genus Haumania (Marantaceae) endemic to the tropical lowland rainforest in Central Africa
FIGURE 1. Species distribution limits (H. danckelmaniana, hatched line; H. leonardiana, dotted line; H. liebrechtsiana, hatch-dotted line) based on Dhetchuvi (1996) and localities of the collections of the three species of Haumania in Central Africa (H. danckelmaniana, black triangles; H. leonardiana, dark grey squares; H. liebrechtsiana, light grey dots). Point labels, collection numbers (Table 1). Black line, political borders.
FIGURE 2. Bayesian 50 in Phylogeny of the climber genus Haumania (Marantaceae) endemic to the tropical lowland rainforest in Central Africa
FIGURE 2. Bayesian 50% majority-rule consensus trees of the genus Haumania and major Marantaceae genera with the outgroup Canna indica (Cannaceae). Maximum Parsimony bootstrap values>70% (above branches) and posterior probabilities>0.70 (PP, below branches) are based on combined plastid dataset (matK, rps16 intron, trnL/trnL–F, trnC–petN1r) on the left and combined nuclear dataset (ITS, 5S) on the right, each including/excluding indels. Dark bold lines connecting species names from different trees indicate moderate to strong incongruencies in the tree topology between the nuclear and plastid dataset. Dashed light grey lines connect congruent taxon positions. Letters at internal tree nodes refer to clade names after Prince & Kress (2006a): A, Sarcophrynium clade; B, Stachyphrynium clade; C, Maranta clade; D, Calathea clade; E, Donax clade. Letters behind Haumania species names indicate locality of sample: C, Cameroon; G, Gabon; DRC, Democratic Republic of Congo. *, branch support is 100; -, branch support is below 0.70.
Arboreality drives heat tolerance while elevation drives cold tolerance in tropical rainforest ants
<p>Determining how species thermal limits correlate with climate is important for understanding biogeographic patterns and assessing vulnerability to climate change. Such analyses need to consider thermal gradients at multiple spatial scales. Here we relate thermal traits of rainforest ants to microclimate conditions from ground to canopy (microgeographic scale) along an elevation gradient (mesogeographic scale) and calculate warming tolerance in the Australian Wet Tropics Bioregion. We test the thermal adaptation and thermal niche asymmetry hypotheses to explain interspecific patterns of thermal tolerance at these two spatial scales. We tested CT<sub>min</sub>, CT<sub>max</sub>, and calculated CT<sub>range</sub> using ramping assays for 74 colonies of 40 ant species collected from terrestrial and arboreal habitats at lowland and upland elevation sites and recorded microclimatic conditions for one year. Within sites, arboreal ants were exposed to hotter microclimates and on average had a 4.2°C (95% CI: 2.7 – 5.6°C) higher CT<sub>max</sub>, and 5.3°C (95% CI: 3.5 – 7°C) broader CT<sub>range</sub> than ground-dwelling ants. This pattern was consistent across the elevation gradient, whether it be the hotter lowlands or the cooler uplands. Across elevation, upland ants had significantly lower CT<sub>min </sub>than lowland ants, whereas the change in CT<sub>max</sub> was less pronounced, and CT<sub>range</sub> did not change over elevation. Differential exposure to microclimates, due to localised niche preferences, drives divergence in CT<sub>max</sub> while environmental temperatures along the elevation gradient drive divergence in CT<sub>min</sub>. Our results suggest that both processes of thermal adaptation and thermal niche asymmetry are at play depending on the spatial scale of observation, and we discuss potential mechanisms underlying these patterns. Despite the broad thermal tolerance range of arboreal rainforest ants, lowland arboreal ants had the lowest warming tolerance and may be most vulnerable to climate change.</p>
FIGURES 14–19 in Morphological variability of new chrysophyte stomatocyst forming a single-cyst assemblage in a low-conductivity tropical lake in the Guineo-Congolian rainforest
FIGURES 14–19. Stomatocyst #49, Piątek J. observed in SEM: mature stomatocyst. Note the well developed the first collar and the second collar indicated by white and grey arrows respectively.
FIGURE 1 in Morphological variability of new chrysophyte stomatocyst forming a single-cyst assemblage in a low-conductivity tropical lake in the Guineo-Congolian rainforest
FIGURE 1. Location of the sampling site in Cameroon and the general view of a lake enclosed by the Guineo-Congolian rainforest (phot. M. Piątek).
FIGURES 8–13 in Morphological variability of new chrysophyte stomatocyst forming a single-cyst assemblage in a low-conductivity tropical lake in the Guineo-Congolian rainforest
FIGURES 8–13. Stomatocyst #49, Piątek J. observed in SEM: slightly immature stomatocyst. Note the first collar and the second collar indicated by white and grey arrows respectively.
FIGURES 2–7 in Morphological variability of new chrysophyte stomatocyst forming a single-cyst assemblage in a low-conductivity tropical lake in the Guineo-Congolian rainforest
FIGURES 2–7. Stomatocyst #49, Piątek J. observed in SEM: immature stomatocyst. Note the outline of the first collar and the second collar indicated by white and grey arrows respectively.
Figure 1 in Polyphagy and florivory prevail in a leaf-beetle community (Coleoptera: Chrysomelidae) inhabiting the canopy of a tropical lowland rainforest in southern Venezuela
Figure 1. Field study of canopy chrysomelids in a lowland Neotropical forest, state of Amazonas, southern Venezuela. (a) Landscape at the study area. (b) Typical intact canopy vegetation. (c) Crane installed in study plot. (d) Aerial trap in Goupia glabra (Goupiaceae) used as the primary method of collection. (e) Feeding marks of Monocesta equestris Clark on Pourouma melinonii (Cecropiaceae). (f) Feeding marks of Sceloenopla maculata (Olivier) on Psittacanthus robustus (Loranthaceae).
Figure 1 in Diet of tropical insectivorous birds in lowland Malaysian rainforest
Figure 1. Map of Krau Wildlife Reserve, Pahang, Peninsular Malaysia. The reserve is represented by light grey, forest areas surrounding the reserve by dark grey, and non-forest areas by white. Map adapted from Zakaria et al. (2014).
FIGURES 16–19 in A new species of Notogalumna from the canopy and another new edaphic species of Galumnopsis (Acari: Oribatida: Galumnoidea) from the tropical rainforest of Los Tuxtlas, Mexico
FIGURES 16–19. Galumnopsis andydoreyae sp. nov. 16. Notogaster in dorsal view; 17. Ventral plate; 18. Lateral region. Pteromorph and legs omitted; 19. Posterior region of notogaster and ventral plate.
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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.