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2,399 results for “fragmentation”
Figure 1 in Notes on the bionomy of two spider wasp species in an urban forest fragment in Brazil
Figure 1. (A) Female of Auplopus cf. rufipes. Scale bar = 1 mm. (B) Male of Auplopus cf. brasiliensis. Scale bar = 3 mm.
Figure 3 in Notes on the bionomy of two spider wasp species in an urban forest fragment in Brazil
Figure 3. Development stages of Auplopus cf. rufipes. (A) Larva almost entirely developed feeding on a spider. Scale bar = 0.5 cm. (B) Larva probably in its third instar feeding. Scale bar = 0.5 cm. (C) Second instar larva. Scale bar = 0.5 cm. (D) Prey tightly trapped in the brood cell and egg placed on its opistosoma. Scale bar = 0.5 cm. (E) Egg in detail. Scale bar = 0.1 cm. (F) Last cell built with the prey and the egg placed on it. Scale bar = 0.5 cm.
Figure 2 in Notes on the bionomy of two spider wasp species in an urban forest fragment in Brazil
Figure 2. Nest of Auplopus cf. rufipes. (A) Arrangement of cells inside the trap nest. Scale bar = 1 cm. (B) Nest in profile showing an overlay on the first cell and the cells leaning. Scale bar = 1 cm. (C) Cell lip-shaped structure before provision. Scale bar = 0.5 cm. (D) Brood cells glued together, one of them with an emergence hole. Scale bar = 0.5 cm.
Data from: Assessing the influence of biotic, abiotic, and social factors on the physiological stress of a large Neotropical primate in Atlantic Forest fragments
Wildlife physiological responses to environmental and human-related stressors provide useful clues on animal welfare. Non-invasive biomarkers, such as fecal glucocorticoid metabolites (fGCM), allow researchers to assess whether variations in habitat quality, behavior, and climate influence the animals' physiological stress. We examined the role of fragment size, ambient temperature, ripe fruit availability and consumption, percentage of records moving, sex, female reproductive state, and group composition as predictors of the level of fGCM in adult brown howler monkeys (Alouatta guariba clamitans) inhabiting three small (<10 ha) and three large (>90 ha) Atlantic Forest fragments in southern Brazil. We collected bimonthly behavioral data and fecal samples from adult individuals over three years, and used a multimodel inference framework to identify the main predictors of fGCM. We found that the mean (±SD) fGCM in the study groups ranged from 57 ± 49 ng/g to 93 ± 58 ng/g, which were within the known range for howler monkeys. We found 10 best models including five of the 17 tested variables. Sex and reproductive state were the only variables included in all these models. We found that fGCM was higher in nursing females (mean ± SD = 104 ± 73 ng/g) than in non-nursing females (64 ± 55 ng/g) and males (53 ± 40 ng/g, P < 0.05) and that it decreased with increasing ripe fruit consumption and minimum temperature. However, fragment size did not predict fGCM concentration (groups in small fragments = 71 ± 58 ng/g vs. groups in large fragments = 63 ± 54 ng/g, P > 0.05). We conclude that factors related to the energetic balance of individuals play major roles in modulating the physiological stress of brown howler monkeys. Future studies should investigate the consequences of higher levels of stress hormones on howler monkey health and demography.
Disentangling drivers of small mammal diversity in a highly fragmented forest system
<p class="Standard">The Atlantic Forest is the second most diverse forest system in South America and only a fraction of its original distribution remains. In this study, we aim to use robust datasets of small mammals along the entire forest system to disentangle the main drivers for diversity along this gradient. More specifically we aim to disentangle if deforestation (recent), biogeographical variables, including 19 bioclimatic variables (historic), or historical trapping bias best describe patterns of taxonomic, functional, and phylogenetic diversities using small mammal assembles, from northeastern Brazil to eastern Paraguay. For that, we applied regression tree analyses to determine what environmental variables best describe each of the dimensions of diversity. Additionally, we implemented polynomial regression to test non-linear relationships between biodiversity metrics and patch size. We found that patterns of overall taxonomic, functional and phylogenetic diversities; rodent taxonomic diversity; and marsupial functional diversity were better explained by temperature variables. Meanwhile, marsupial taxonomic and phylogenetic diversities; and rodent functional and phylogenetic diversities were best explained by precipitation variables. Furthermore, patch area, trapping, and latitude were never the best descriptors for any of the diversity dimensions. Although all dimensions of biodiversity are correlated, they have unique information and should be considered individually to better understand biodiversity and inform conservation strategies. We found that fragmentation is impactful at a local scale and becomes less important at a biogeographical scale. Therefore, climatic variables drove biogeographical faunal patterns for all clades, probably reflecting important historical assembly process at large spatial scales.</p>
Clay Pipe fragment.
Fragment of a clay pipe, found on the shore of Avoch bay. It is small items such as this that can often provide a strong, tangible link with the past. It is not difficult to imagine one of the fishermen of Avoch, puffing away on his pipe whilst at work repairing nets, or maintaining the boats. Source: Objaverse 1.0 / Sketchfab
Coffin Pedestal Fragment - AA21990.A.10
Measurements: H 33.7cm x W 28.1cm x D 23.9cm Egyptian Coffin fragment from the 25th Dynasty. Suffered water damage at some point during the object biography. Originally owned by the Stanford family. Then acquired by the Canadian Conservation Institute (CCI). The fragments are currently in possession of the Queen's University Art Conservation Department. Source: Objaverse 1.0 / Sketchfab
Clay Pipe Fragment (2020a2769)
**Clay smoking pipe fragment** Location: Coweeta Creek site (31Ma34), Macon County, North Carolina. Period: South Appalachian Mississippian, Middle Qualla phase (AD 1450-1700). Material: ceramic. Dimensions: length, 54.1 mm; width, 23.1 mm; thickness, 23.6 mm. Notes: Catalog no. 2020a2769. Rim fragment of a large, boat-shaped pipe decorated with effigies of a bird head and human face. North Carolina Archaeological Collection, Research Laboratories of Archaeology, University of North Carolina at Chapel Hill. Model by Steve Davis. Source: Objaverse 1.0 / Sketchfab
Painted wall fragment 10
3D model created from a 2D public domain image. The imagery is superimposed on both sides to emphasis the fragments colour. Dimensions are relatively accurate. [Wall painting fragment](https://www.metmuseum.org/art/collection/search/253337?searchField=All&sortBy=Relevance&ao=on&showOnly=openAccess&ft=roman+wall+fragment&offset=0&rpp=80&pos=12) via The Metropolitan Museum of Art is licensed under CC0 1.0 Source: Objaverse 1.0 / Sketchfab
Romanesque Fragment - Kilbannon
A fragment of romanesque from the medieval church at Kilbannon outside of Tuam. Source: Objaverse 1.0 / Sketchfab
Painted wall fragment 11
3D model created from a 2D public domain image. The imagery is superimposed on both sides to emphasis the fragments colour. Dimensions are relatively accurate. [Wall painting fragment](https://www.metmuseum.org/art/collection/search/253326?searchField=All&sortBy=Relevance&ao=on&showOnly=openAccess&ft=roman+wall+fragment&offset=0&rpp=80&pos=15) via The Metropolitan Museum of Art is licensed under CC0 1.0 Source: Objaverse 1.0 / Sketchfab
Romanesque Fragment 06 - Kilmeen
A series of romanesque fragments have been discovered in Kilmeen graveyard. The site has the base of round tower, and late medieval church. The fragments demonstrate that a decorated romanesque building was also located at the site. Source: Objaverse 1.0 / Sketchfab
Flood Street - Fragment 1
This carving is located on the corner of Flood St. Located just below the street sign. The carving has a blank family crest, which may have been painted in the past. A figure holding oak leaves and a fractured carving of a dragon. The carving shows signs of spalling, as well as light lichen growth across the face and carvings. The model will cycle through 3 textures - (1) Full Colour (2) B&W (3) Annotated Source: Objaverse 1.0 / Sketchfab
Coffin Chest Fragment - AA2190.A.17
Measurements: L: 94.4cm x W: 32.5cm x D: 4.6cm Egyptian Coffin fragment from the 25th Dynasty. Originally owned by the Stanford family. Then acquired by the Canadian Conservation Institute (CCI). The fragments are currently in possession of the Queen's University Art Conservation Department. Source: Objaverse 1.0 / Sketchfab
Fragment de la Portalada del monestir de Ripoll
Lluita entre feres. Possible visió de Daniel de les quatre bèsties vençudes pel Fill de l'Home (Dn 7, 1-28) Source: Objaverse 1.0 / Sketchfab
Fragment of dishes of the shepherds L1R6BN2.
Russia, Republic of Bashkortostan, Baymaksky district. Excavations in 2001. Settlement of the Bronze Age Laimberdy-1. Plot №6. Square Б7. Layer №3. Bronze Age. Chronology: end of the 17th - 16th centuries BC. Alakul culture. Россия, Республика Башкортостан, Баймакский район. Раскопки 2001 года. Поселение Лаимберды-1. Раскоп №6. Квадрат Б7. Штык №3. Бронзовый век. Хронология: конец XVII – XVI века до н.э. Алакульская культура. Source: Objaverse 1.0 / Sketchfab
Painted wall fragment 3
3D model created from a 2D public domain image. The imagery is superimposed on both sides to emphasis the fragments colour. Dimensions are relatively accurate except for the depth of the scan which I have estimated to be 38mm, this is the same for similar items. [Wall painting fragment](https://www.metmuseum.org/art/collection/search/254440?searchField=All&sortBy=Relevance&ao=on&showOnly=openAccess&ft=roman+wall+fragment&offset=0&rpp=80&pos=4) via The Metropolitan Museum of Art is licensed under CC0 1.0 Source: Objaverse 1.0 / Sketchfab
Stucco fragment with male torso, double-sided
3D model created from a 2D public domain image. The imagery is superimposed on both sides to emphasis the fragments colour. Dimensions are relatively accurate. [Stucco fragment with male torso](https://www.metmuseum.org/art/collection/search/244723?searchField=All&sortBy=Relevance&deptids=13&ao=on&showOnly=openAccess&ft=painted&offset=320&rpp=80&pos=344) via The Metropolitan Museum of Art is licensed under CC0 1.0 Source: Objaverse 1.0 / Sketchfab
Cannon Fragment
12-pounder cannon fragment, Prospect Bluff Historic Sites, 1814-1816 Model by Emma Dietrich This model was made using RealityCapture software by Capturing Reality. Source: Objaverse 1.0 / Sketchfab
Assyrian relief fragment
A fragment of limestone relief from the palace of Ashurnasirpal II at Nimrud, dating to 883 B.C. — 859 B.C. Depicting King Assur-nasirpal II wearing a helmet. Given to the museum in 1942 by Rev. RLB Oliver Object Number: ANE.3.1942 (Antiquities) http://data.fitzmuseum.cam.ac.uk/id/object/87503 Source: Objaverse 1.0 / Sketchfab
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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)
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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.