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Fig. 6 in Marine insects of the Maldives (Heteroptera: Gerridae, Hermatobatidae and Veliidae; Diptera: Chironomidae) with notes on taxonomy, Indo-Pacific distribution, and ecology

Fig. 6. Hermatobates djiboutensis. Specimens from Meerufenfushi Island, Kaafu (North Malé) Atoll, 14 November 2006. Scale bar = 0.5 mm. A, male, dorsal view; B, male ventral view (length ca. 3.8 mm); C, male front leg showing teeth and tubercles on tibia (length of femur ca. 0.8 mm); D, female, dorsal view (length ca. 3.6 mm); E, female, ventral view.

Fig. 5 in Marine insects of the Maldives (Heteroptera: Gerridae, Hermatobatidae and Veliidae; Diptera: Chironomidae) with notes on taxonomy, Indo-Pacific distribution, and ecology

Fig. 5. Halobates germanus. Specimens collected inside Haa Alifu Atoll at night, January 2007. Scale bar = 0.5 mm. A, adult female, dorsal view (body length = 3.7 mm); B, male genitalia, dorsal view (genital segment length = 1.9 mm); C, male genitalia, ventral view (genital length = 1.5 mm).

Fig. 4 in Marine insects of the Maldives (Heteroptera: Gerridae, Hermatobatidae and Veliidae; Diptera: Chironomidae) with notes on taxonomy, Indo-Pacific distribution, and ecology

Fig. 4. Halobates formidabilis. Specimens from Maalhendhoo Island, Noonu Atoll, 5 May 2013. Scale bars = 0.5 mm. A, 5th instar nymph, dorsal view, showing colour pattern (length = 4.2 mm); B, adult male, dorsal view (length = 5.6 mm); C, male genitalia, dorsal view (genital segment length = 2.0 mm); D, male genitalia, ventral view (genital length = 1.4 mm).

Fig. 3. Halobates formidabilis. 5 in Marine insects of the Maldives (Heteroptera: Gerridae, Hermatobatidae and Veliidae; Diptera: Chironomidae) with notes on taxonomy, Indo-Pacific distribution, and ecology

Fig. 3. Halobates formidabilis. 5th instar nymph, live individual, Dhidhdhoofinolhu Island, Alifu Dhaalu Atoll, 13 May 2006; not measured, approximate length 5 mm. A, dorsal view; B, ventral view, note uniform pale colouration.

opencc-zeroAug 2024View details →

National Checklists: Maldives Species List

Data from: GBIF.org (23 January 2025) GBIF Occurrence Download <a href="https://doi.org/10.15468/dl.vd2ajk" target="_blank" rel="noopener">https://doi.org/10.15468/dl.vd2ajk</a>

opencc-by-4.0May 2022View details →

Variability of shoreline water levels on an atoll in the Maldives

The dataset contains wave observation data in the following article.  Shimozono et al. (2022). Variability of shoreline water levels on an atoll in the Maldives. Journal of Geophysical Research: Oceans, 127. <a href="https://doi.org/10.1029/2021JC017880">https://doi.org/10.1029/2021JC017880</a>

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Data for: Manta rays in the Maldives foraging either in groups or solo

Flexibility in animal foraging strategies can increase overall feeding efficiency. For example, group foraging can increase the efficiency of resource exploitation; conversely, solo foraging can reduce intraspecific competition, particularly at low resource densities. The cost-benefit trade-off of such flexibility is likely to differ within and among individuals. Reef manta rays (Mobula alfredi) are large filter-feeding elasmobranchs that often aggregate to feed on ephemeral upwellings of zooplankton. Over three years in the Maldives, we free-dived to film 3106 foraging events involving 343 individually identifiable M. alfredi. Individuals fed either solo or in groups with a clear leader plus between one and eight followers. M. alfredi were significantly more likely to forage in groups than solo at high zooplankton levels, and at certain locations. Both biotic and abiotic factors contributed to variation in group foraging. Within aggregations, individuals foraged in larger groups when more food was available, and when the overall aggregation was relatively small suggesting that foraging in large groups was more beneficial when food was abundant, and/or the costs of intraspecific competition were outweighed by the efficiency resulting from group foraging strategies. Females, the larger sex, were more likely to lead foraging groups than males. The high within-individual variance (over 55%), suggested individuals were unpredictable across all foraging behaviours, thus individual M. alfredi cannot be classified into foraging types or specialists. Instead, each individual was capable of considerable behavioural flexibility, as predicted for a species reliant on spatially and temporally ephemeral resources.

opencc-zeroMay 2024View details →

Figure 5 in A new species of Maldivea Gerlach, 1962 (Nematoda, Oxystominidae) from Felidhoo atoll (Maldives, Indian Ocean) and an emended diagnosis of the sub-family and genus

Figure 5. World distribution of the species belonging to the subfamily Paroxystomininae De Coninck, 1965.

Figure 4 in A new species of Maldivea Gerlach, 1962 (Nematoda, Oxystominidae) from Felidhoo atoll (Maldives, Indian Ocean) and an emended diagnosis of the sub-family and genus

Figure 4. Light micrographs of the male of Maldivea complexa n. sp. A,B) Detail of the buccal cavity, C) Detail of amphideal fovea, D) Copulatory apparatus, E) Precloacal sub-ventral pairs of short and stout setae close to the cloacal opening, F) Detail of the precloacal sub-ventral pairs of short and stout setae in the elevation of the cuticle, G) Details of the post-cloacal setae and tail tip. Scale bars: A-B: 5 µm, C,E: 10 µm; D, F,G: 20 µm.

Figure 3 in A new species of Maldivea Gerlach, 1962 (Nematoda, Oxystominidae) from Felidhoo atoll (Maldives, Indian Ocean) and an emended diagnosis of the sub-family and genus

Figure 3. Drawings of the male of Maldivea complexa n. sp. A) Detail of the anterior end of the male. B) Detail of the amphideal fovea of the male. C) Detail of the copulatory apparatus and caudal region. Scale bar: A: 10 µm, B: 50 µm.

opencc-by-4.0Sep 2023View details →

18S sequences from eDNA surveys of a coral reef in the Maldives

18S sequence data for eDNA samples collected in the Maldives and the associated metadata and tag codes. The title of the study/publication is: Field collections and environmental DNA surveys reveal topographic complexity of coral reefs as a predictor of cryptobenthic biodiversity across small spatial scales

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Data for: Manta rays in the Maldives foraging either in groups or solo

Open the record for dataset details and reuse information.

publicJun 2024View details →

opencc-by-4.0Dec 2020View details →

Coastal Digital Elevation Models and Transects of the Reef Island Fuvahmulah, the Maldives

The data contains two Digital Elevation Models (DEMs) of the coastal zone in the south-east of Fuvahmulah, the Maldives (location: latitude -0.30° and longitude 73.43°). DEM files are in the file format *.tif (raster data georeferenced to WGS84). The DEMs contain elevation data on the area adjacent to the seaport. One DEM was measured in 2017, the other in 2019. The 2017 DEM is based on aerial imagery, recorded with the consumer-grade unmanned aerial vehicle (UAV, or drone) DJI Phantom 4 in 2017, while the 2019 DEM was recorded with a DJI Phantom 4 Pro. The data was then processed in Agisoft Photoscan with a Structure-from-Motion - MultiView Stereo algorithm (SfM-MVS). In addition, the data set contains elevation and location data of 4 transects from sections along the east coast of Fuvahmulah. The data is stored in *.csv files, containing longitude, latitude, height and distance. Finally, there are two further data files with gridded topographic and bathymetric data, ready for use in the depth-integrated Boussinesq type model BOSZ (see Roeber and Cheung, 2012; doi.org/10.1016/j.coastaleng.2012.06.001). Currently, the numerical wave model, incorporates lateral wave makers, so that the elevation data needs to be rotated to account for different wave directions \(\theta\). The bathymetry was recorded with a Dr. Fahrentholz LituBox 15/200 and truncated to 200 meters water depth. The coastal topography results from coastal DEMs, while the island's mainland is set to about 2-3 meters (no elevation information was available for the island's inland area). The data was gridded and interpolated onto the grid with The Generic Mapping Tools (GMT). The grid size is 7.5 x 7.5 meter. The files are in MATLAB® 5.0 file format *.mat, containing the variables 'length' and 'width' of the domain in meters, 'X' and 'Y' (computation grid \(x, y\) in degrees \(^\circ\) longitude and latitude), as well as 'BATHY', being the elevation data for the X,Y grid. In addition, friction values as used in the model is stored in the variable 'Friction', as well as the grid increments 'DX' and 'DY' (\(\Delta x\) and \(\Delta y\) in degrees \(^\circ\) longitude and latitude). Each folder contains either a README-file or Jupyter Notebook (Python 3). The Notebooks allow the user to access and view the files (Python 3 and Jupyter Notebook installation required)

opencc-byJan 2022View details →

Maldives

[Maldives](https://en.wikipedia.org/wiki/Maldives) is an archipelagic country in the Indian subcontinent of Asia, situated in the Indian Ocean. It lies southwest of Sri Lanka and India, about 750 kilometres (470 miles; 400 nautical miles) from the Asian continent's mainland. The chain of 26 atolls stretches from Ihavandhippolhu Atoll in the north to Addu Atoll in the south (across the Equator). Comprising a territory spanning roughly 90,000 square kilometres (35,000 sq mi) including the sea, land area of all the islands comprises 298 square kilometres (115 sq mi), Maldives is one of the world's most geographically dispersed sovereign states and the smallest Asian country as well as one of the smallest Muslim countries by land area and, with around 557,751 inhabitants, the 2nd least populous country in Asia. Malé is the capital and the most populated city, traditionally called the "King's Island" where the ancient royal dynasties ruled for its central location. Source: Objaverse 1.0 / Sketchfab

Figure 1 in A new species of Maldivea Gerlach, 1962 (Nematoda, Oxystominidae) from Felidhoo atoll (Maldives, Indian Ocean) and an emended diagnosis of the sub-family and genus

Figure 1. Type localities of Maldivea xarifae and M. complexa n. sp.

Figure 2 in A new species of Maldivea Gerlach, 1962 (Nematoda, Oxystominidae) from Felidhoo atoll (Maldives, Indian Ocean) and an emended diagnosis of the sub-family and genus

Figure 2. Drawing of the total body of the male of Maldivea complexa n. sp. Scale bar: 100 µm.