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163 results for “island biogeography”
Figure 5 from: Csiki-Sava Z, Buffetaut E, Ősi A, Pereda-Suberbiola X, Brusatte SL (2015) Island life in the Cretaceous - faunal composition, biogeography, evolution, and extinction of land-living vertebrates on the Late Cretaceous European archipelago. ZooKeys 469: 1-161. https://doi.org/10.3897/zookeys.469.8439
Figure 5 - Representative taxa from the Santonian Iharkút fauna from the Csehbánya Formation, Bakony Mountains, western Hungary. A Pannoniasaurus inexpectatus (Squamata, Mosasauroidea), dorsal vertebra (MTM uncatalogued) in dorsal view (photo by Réka Kalmár) B Foxemys trabanti (Pleurodira, Bothremydidae), skull (MTM V 2010.215.1.) in dorsal view (photo by Márton Rabi). C Bicuspidon aff. hatzegiensis (Squamata, Borioteiioidea), left dentary (MTM 2006.112.1.) in medial view (photo by László Makádi) D Basal tetanuran (Theropoda, Tetanurae), tooth (MTM V.01.54) in ?lingual view E Indeterminate abelisaurid (Theropoda, Abelisauridae), pedal ungual phalanx (MTM V 2008.43.1.) in lateral view F Pneumatoraptor fodori (Theropoda, Paraves), left scapulocoracoid (holotype, MTM V 2008.38.1.) in lateral view G Mochlodon vorosi (Ornithopoda, Rhabdodontidae), left dentary (holotype, MTM V 2010.105.1) in lateral view H Bakonydraco galaczi (Pterosauria, Azhdarchidae), mandible (holotype, MTM 2007.110.1) in dorsal view I Iharkutosuchus makadii (Eusuchia, Hylaeochampsidae), skull (holotype, MTM 2006.52.1) in dorsal view J Hungarosaurus tormai (Ankylosauria, Nodosauridae), right dentary (MTM 2007.25.2) in lateral view K Bauxitornis mindszentyae (Aves, Enantiornithes), left tarsometatarsus (holotype, MTM V 2009.38.1) in anterior view L Ajkaceratops kozmai (Ceratopsia), fused rostral and premaxillae (holotype, MTM V 2009.192.1) in lateral view. Scale bars: 2 cm in A, V, G, H, I, J; 1 cm in D, E, F, K, L; 1 mm in C.
Figure 4 from: Csiki-Sava Z, Buffetaut E, Ősi A, Pereda-Suberbiola X, Brusatte SL (2015) Island life in the Cretaceous - faunal composition, biogeography, evolution, and extinction of land-living vertebrates on the Late Cretaceous European archipelago. ZooKeys 469: 1-161. https://doi.org/10.3897/zookeys.469.8439
Figure 4 - The most important latest Cretaceous (Santonian–Maastrichtian) continental vertebrate localities in Europe. France: 1 Lestaillats, Haute-Garonne (Laurent et al. 2002a) 2 Campagne-sur-Aude, Aude Valley (Buffetaut et al. 1989; Le Loeuff 2005) 3 Villeveyrac, Cruzy (Buffetaut et al. 1996, 1999; Buffetaut and Le Loeuff 1991b) 4 Serviers, Champ-Garimond (Buffetaut et al. 1997a; Sigé et al. 1997) 5 Roques-Hautes (Le Loeuff et al. 1992; Allain and Taquet 2000) 6 Beausset Syncline (Le Loeuff and Buffetaut 1991) 7 Fox Amphoux (Le Loeuff et al. 1992) 8 Fontjoncouse (Le Loeuff et al. 1994) 9 Vitrolles-la-Plaine (Valentin et al. 2012) 10 Jas Neuf Sud (Tortosa et al. 2014). Spain: 1 Laño (Astibia et al. 1999; Pereda-Suberbiola et al. 2000) 2 Arén (Torices et al. 2004; Weishampel et al. 2004) 3 Tremp (López-Martínez et al. 2001) 4 Lo Hueco, Fuentes (Barroso-Barcenilla et al. 2009; Pérez-García et al. 2012b) 5 Chera (Company et al. 2009b) 6 La Solana (Company et al. 1998, 1999, 2013) 7 Armuña (Buscalioni and Martínez-Salanova 1990; Corral Hernández et al. 2007). Portugal: 1–2 Viso, Aveiro, Taveiro (Antunes and Sigogneau-Russell 1991; Antunes and Mateus 2003). Austria: 1 Muthmannsdorf (Seeley 1881). Hungary: 1 Iharkút and Ajka (Ősi et al. 2012b). Romania: 1 Rusca Montană Basin (Vasile and Csiki 2011; Codrea et al. 2012) 2 Haţeg Basin (Grigorescu 2005, 2010; Weishampel et al. 2010) 3 Alba Iulia-Sebeș (southwestern Transylvanian Basin; Codrea et al. 2010a,c; Vremir 2010) 4 Borod Basin (Nopcsa 1902b) 5 Jibou (northwestern Transylvanian Basin; Codrea and Godefroit 2008; Codrea et al. 2010c).
Figure 13 from: Csiki-Sava Z, Buffetaut E, Ősi A, Pereda-Suberbiola X, Brusatte SL (2015) Island life in the Cretaceous - faunal composition, biogeography, evolution, and extinction of land-living vertebrates on the Late Cretaceous European archipelago. ZooKeys 469: 1-161. https://doi.org/10.3897/zookeys.469.8439
Figure 13 - Body-size disparity in Late Cretaceous European titanosaurs, as illustrated by their appendicular elements (specimens figured at scale). A, E Ampelosaurus atacis (late Campanian–early Maastrichtian, Bellevue, Aude, southern France): A Left humerus (MDE C3-86), anterior view E Right femur (MDE C3-87; reversed), posterior view B, C Magyarosaurus dacus (early Maastrichtian, Ciula Mare, Haţeg Basin, Romania) B Left humerus (LPB (FGGUB) R.1047), anterior view C Left femur (LPB (FGGUB) R.1046), posterior view D Lirainosaurus astibiai (late Campanian–early Maastrichtian, Laño, Basque Country, northern Spain), left femur (MCNA 7468), posterior view. Scale bar equals 10 cm. Photograph D courtesy by Verónica Díez Díaz.
Data from: A test of trophic and functional island biogeography theory with the avifauna of a continental archipelago
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Data from: Predicting biodiversity loss in island and countryside ecosystems through the lens of taxonomic and functional biogeography
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Data from: Using molecular phylogenies in island biogeography: it’s about time
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Island biogeography theory and the urban landscape: stopover site selection by the silver-haired bat (Lasionycteris noctivagans)
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Data from: Do endemic mushrooms on oceanic islands and archipelagos support the theory of island biogeography?
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Data from: The theory of island biogeography and soundscapes: species diversity and the organization of acoustic communities
Aim: On islands, species richness is reduced and interspecific competition relaxed in relation to the mainland, allowing species to use broader ecological niches. These factors are known to affect diet and morphology, but can also affect communication and acoustic signaling in particular. However, no study has ever compared insular and continental soundscapes to determine to which extent islands present reduced acoustic richness (number of co-vocalizing species) and fewer constraints for vocalizing species. Location: São Tomé Island, Mount Cameroon, Madeira Island, Southern France Taxon: Birds Methods: We compared two pairs of insular and continental soundscapes: one in a temperate zone, the other in the tropics. We recorded sounds produced in similar types of primary forests and measured acoustic richness and ambient noise profiles. We then assessed acoustic niche organization by computing, for each community, species turnover, temporal and frequency overlaps, and acoustic avoidance. Results: We found fewer species co-vocalizing on islands compared to mainland and in temperate compared to tropical region. Ambient noise was louder in the tropics and occupied a wider frequency range, especially on the mainland, thereby revealing a reduction in available acoustic space for tropical mainland birds. In this more crowded and noisy soundscape, species presented a higher acoustic turnover, overlapped less in time and in frequency with each other and acoustically avoided each other more when compared to the three other communities. Main conclusions: Soundscapes differed and imposed fewer constraints on vocalizing species along the species diversity gradient from tropical mainland to temperate island. Acoustic niche partitioning increased with species richness and was associated with increased levels of acoustic interference. Results set a scene for an effect of relaxed competition on song evolution on islands, especially in the tropics.
Data from: Biogeography of Leptospira in wild animal communities inhabiting the insular ecosystem of the western Indian Ocean islands and neighboring Africa
Understanding the processes driving parasite assemblages is particularly important in the context of zoonotic infectious diseases. Leptospirosis is a widespread zoonotic bacterial infection caused by pathogenic species of the genus Leptospira. Despite a wide range of animal hosts, information is still lacking on the factors shaping Leptospira diversity in wild animal communities, especially in regions, such as tropical insular ecosystems, with high host species richness and complex biogeographical patterns. Using a large dataset (34 mammal species) and a multilocus approach at a regional scale, we analyzed the role of both host species diversity and geography in Leptospira genetic diversity in terrestrial small mammals (rodents, tenrecs and shrews) and bats from 10 different islands/countries in the western Indian Ocean (WIO) and neighboring Africa. At least four Leptospira spp. (L. interrogans, L. borgpetersenii, L. kirschneri and L. mayottensis) and several yet-unidentified genetic clades contributed to a remarkable regional Leptospira diversity, which was generally related to the local occurrence of the host species rather than the geography. In addition, the genetic structure patterns varied between Leptospira spp., suggesting different evolutionary histories in the region, which might reflect both in situ diversification of native mammals (for L. borgpetersenii) and the more recent introduction of non-native host species (for L. interrogans). Our data also suggested that host shifts occurred between bats and rodents, but further investigations are needed to determine how host ecology may influence these events.
Lussu et al. 2023 Biogeography of orchids and their pollination syndromes in small Mediterranean islands
<p><span>This dataset contains data relating to the species richness and reproductive strategies of orchids recorded in the islands of the Central Western Mediterranean Basin and published in the article Lussu et al. 2023 titled Biogeography of orchids and their pollination syndromes in small Mediterranean islands and published in Journal of Biogeography.</span></p>
Data from: Island Biogeography, the effects of taxonomic effort and the importance of island niche diversity to single island endemic species
Island biogeography theory is fundamentally reliant on measuring the number of species per island and hence has taxonomy at its foundation. Yet as a metric used in tests of the theory, island species richness (S) has varied with time according to the level of taxonomic effort (a function of the rate of finding and describing species). Studies using a derivative of S, single-island endemic species richness (SIE S), may be prone to change in taxonomic effort. Decreases or increases in species numbers resulting from taxonomic revision or increased sampling are likely to have a large effect on values of SIE S, as they tend to be smaller than total S for the same island. Using simple biogeography models, we analysed estimates of SIE S in plants, land snails, beetles, and fungi from comprehensive data sets for eight island groups, produced species accumulation curves and applied Bayesian regression over five time periods. Explanatory power differed across taxa, but area and island age were not always the best explanatory variables, and niche diversity appeared to be important. Changing levels of SIE S over time had different effects on models with different taxa and between island archipelagos. The results indicated that the taxonomic effort that determines SIE S is important. However, as this cannot often be quantified, we suggest Bayesian approaches should be more useful than frequentist methods in evaluating SIE S in island biogeography theory. Fundamentally, the article highlights the importance of taxonomy to theoretical biogeography.
Data from: The theory of island biogeography and soundscapes: species diversity and the organization of acoustic communities
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Data from: A theory of island biogeography for exotic species
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Data from: Island Biogeography, the effects of taxonomic effort and the importance of island niche diversity to single island endemic species
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Data from: Biogeography of Leptospira in wild animal communities inhabiting the insular ecosystem of the western Indian Ocean islands and neighboring Africa
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FIGURE 2 in A new species of Sphenomorphus (Squamata: Scincidae) from Phu Quoc Island Vietnam with a discussion of biogeography and character state evolution in the S stellatus group
FIGURE 2. Head scale nomenclature and their positional relationship and size illustrated by the adult female Sphenomorphus phuquocensis sp. nov. ZMMU R-11518 (SVL = 60.8 mm) from the type locality of Phu Quoc National Park, Vietnam. A) dorsal view and B) right lateral view. Terminology is adapted from Taylor (1935). AL = anterior loreal, Cs = chinshield; F = frontal, Fn = frontonasal, Fp = frontoparietal, IL = infralabial, Ip = interparietal, M = mental, N = nasal, NU = nuchal, P = parietal, Pf = prefrontal, PL = posterior loreal, Pm = postmental, Pr = preocular, Prs = presubocular, PT = primary temporal, Psl = postsupralabial, R = rostral, SL = supralabial, So = supraocular, ST = secondary temporal, TT = tertiary temporal, UPT = upper pretemporal, LPT = lower pretemporal, * = superciliary and # = postsubocular. Illustration by NAP.
FIGURE 8 in A new species of Sphenomorphus (Squamata: Scincidae) from Phu Quoc Island Vietnam with a discussion of biogeography and character state evolution in the S stellatus group
FIGURE 8. SCM analysis inferring the probability of the ancestral condition of the dorsal pattern at each node in the BEAST maximum clade credibility tree.
FIGURE 4 in A new species of Sphenomorphus (Squamata: Scincidae) from Phu Quoc Island Vietnam with a discussion of biogeography and character state evolution in the S stellatus group
FIGURE 4. Discriminant function analysis showing the separation of Sphenomorphus annamiticus, S. perylangensis, and S. phuquocensis sp. nov.
FIGURE 1 in A new species of Sphenomorphus (Squamata: Scincidae) from Phu Quoc Island Vietnam with a discussion of biogeography and character state evolution in the S stellatus group
FIGURE 1. Known distribution and localities for Sphenomorphus annamiticus, S. praesignis, S. phuquocensis sp. nov., S. preylangensis, and S. stellatus. Stars represent type localities. Peninsular Malaysia: 1 = Bukit Larut, Perak; 2 = Cameron Highlands, Pahang; 3 = Fraser's Hill, Pahang; 4 = Genting Highlands, Pahang; 5 = Gunung Tahan, Pahang; 6 = Gunung Lawit, Terengganu; 7 = Gunung Tebu, Terengganu. Thailand: 8 = Khao Wang Hip, Nakon Si Thammarat Province; 9 = Khao Soi Dao Wildlife Sanctuary, Chantaburi Province; 24 = Phu Wiang, Khon Kean Province. Cambodia: 10 = Chum Noab, Koh Kong Province; 11 = Bokor National Park, Kampot Province; 21 = Phnom Chi, Prey Lang Wildlife Sanctuary, Kampong Thom Province. Vietnam: 12 = Ma Da, Dong Nai Province; 13 = Cat Tien, Dong Nai Province; Dalat, Annam, Lam Dong Province; 15 = Thac Nham, Kon Tum Province; 16 = Buon Luoi Village, Gia Lai Province; 17 = Tram Lap Village, Gia Lai Province; 18–20 = Mang Canh Village and vicinity, Kon Tum Province; 22 = Phuc-Son, Annam (now Phuoc Son District, Quang Nam Province); 23 = K Bang, Gia Lai Province; 25 = Phu Quoc Island, Kien Giang Province.
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Allen Brain Atlas
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OpenNeuro
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