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101 results for “Range Maps”
Data from: Resource-Area-Dependence Analysis: inferring animal resource needs from home-range and mapping data
An animal's home-range can be expected to encompass the resources it requires for surviving or reproducing. Thus, animals inhabiting a heterogeneous landscape, where resource patches vary in size, shape and distribution, will naturally have home-ranges of varied sizes, so that each home-range encompasses a minimum required amount of a resource. Home-range size can be estimated from telemetry data, and often key resources, or proxies for them such as the areas of important habitat types, can be mapped. We propose a new method, Resource-Area-Dependence Analysis (RADA), which uses a sample of tracked animals and a categorical map to i) infer in which map categories important resources are accessible, ii) within which home range cores they are found, and iii) estimate the mean minimum areas of these map categories required for such resource provision. We provide three examples of applying RADA to datasets of radio-tracked animals from southern England: 15 red squirrels Sciurus vulgaris, 17 gray squirrels S. carolinensis and 114 common buzzards Buteo buteo. The analyses showed that each red squirrel required a mean (95% CL) of 0.48 ha (0.24-0.97) of pine wood within the outermost home-range, each gray squirrel needed 0.34 ha (0.11-1.12) ha of mature deciduous woodland and 0.035-0.046 ha of wheat, also within the outermost home-range, while each buzzard required 0.54 ha (0.35-0.82) of rough ground close to the home-range center and 14 ha (11-17) of meadow within an intermediate core, with 52% of them also relying on 0.41 ha (0.29-0.59) of suburban land near the home-range center. RADA thus provides a useful tool to infer key animal resource requirements during studies of animal movement and habitat use.
Data from: Range-wide spatial mapping reveals convergent character displacement of bird song
A long-held view in evolutionary biology is that character displacement generates divergent phenotypes in closely related coexisting species to avoid the costs of hybridisation or ecological competition, whereas an alternative possibility is that signals of dominance or aggression may instead converge to facilitate coexistence among ecological competitors. Although this counter-intuitive process⎯termed convergent agonistic character displacement⎯is supported by recent theoretical and empirical studies, the extent to which it drives spatial patterns of trait evolution at continental scales remains unclear. By modeling variation in song structure of two ecologically similar species of Hypocnemis antbird across Western Amazonia, we show that their territorial signals converge such that trait similarity peaks in the sympatric zone, where intense interspecific territoriality between these taxa has previously been demonstrated. We also use remote sensing data to show that signal convergence is not explained by environmental gradients and is thus unlikely to evolve by sensory drive (i.e. acoustic adaptation to the sound transmission properties of habitats). Our results suggest that agonistic character displacement driven by interspecific competition can generate spatial patterns opposite to those predicted by classic character displacement theory, and highlight the potential role of social selection in shaping geographical variation in signal phenotypes of ecological competitors.
Figure 10. - Geographic range and distribution map of Orchispatens subssp. patens.
Figure 10. - Geographic range and distribution map of Orchispatens subssp. patens.
Figure 6. - Geographic range and distribution map of Ferulaarrigonii.
Figure 6. - Geographic range and distribution map of Ferulaarrigonii.
Figure 4. - Geographic range and distribution map of Alliumgarganicum.
Figure 4. - Geographic range and distribution map of Alliumgarganicum.
Figure 2. - Geographic range and distribution map of Linariatonzigii.
Figure 2. - Geographic range and distribution map of Linariatonzigii.
Figure 8. - Geographic range and distribution map of Armeriasaviana.
Figure 8. - Geographic range and distribution map of Armeriasaviana.
TREECHANGE: Global tree species' range maps generated via alpha-hull methods
<p>Global tree species' range maps generated via alpha-hull methods, as described in Guo, W.-Y., Serra-Diaz, J. M., Schrodt, … Svenning, J.-C. (2022). High exposure of global tree diversity to human pressure. PNAS, doi:10.1073/pnas.2026733119</p>
Distribution. Discontinuous and limited to wetland environments in the Congo Basin N and W of the range of the Zambezi Sitatunga in S Benin (Porto Novo), S Nigeria, Cameroon, Central African Republic, Equatorial Guinea, Gabon, Republic of the Congo, N DR Congo; also several isolated populations in W Africa (Senegal, Gambia & Guinea-Bissau), NE Nigeria and W Chad, and perhaps extreme S Ghana. Maps and distributional information here are provisional pending future research. in Bovidae
Distribution. Discontinuous and limited to wetland environments in the Congo Basin N and W of the range of the Zambezi Sitatunga in S Benin (Porto Novo), S Nigeria, Cameroon, Central African Republic, Equatorial Guinea, Gabon, Republic of the Congo, N DR Congo; also several isolated populations in W Africa (Senegal, Gambia & Guinea-Bissau), NE Nigeria and W Chad, and perhaps extreme S Ghana. Maps and distributional information here are provisional pending future research.
Subspecies and Distribution. T.n.napuF.Cuvier,1822—SMyanmar,Thai/MalayPeninsula,islandsoffWMalayPeninsula(Langkawi&Pangkor),Borneo,SSumatra,BangkaI,islandsoffBorneo(Laut&Serasan). T.n.bangue:Chasen&Kloss,1931—BanggiIandBalembanganI,offNBorneo. T.n.bunguranensisMiller,1901—NatunaIs(=Bunguran),oftWBorneo. T.n.neubronneriSody,1931—NSumatra. T.n.nmiasisLyon,1916—NiasI,offWSumatra. T.n.rufulusMiller,1900—TiomanI,offEMalayPeninsula,RiauandLinggaArchipelagos. T. n. terutus Thomas & Wroughton, 1909 — Terutau I, off W Malay Peninsula. The species was recently reconfirmed for Singapore. Maps that include Vietnam, Cambodia, and Laos in the distribution range are based on the earlier assumption that 7. versicolor was a subspecies of 1. napu. Subsequent studies have indicated that 7. versicolor is a distinct species, and that the range of 1. napu therefore does not extend into Cambodia, Laos, and Vietnam. The northern limit on the Thai-Malay peninsula is not well defined. Specimens of 1. napu have been collected from as far north as Bankachon in southern Myanmar (10° 08" N), but despite fairly intensive camera-trapping in Kui Buri National Park, Thailand (12° N), 7. napu has not been photographed there. At the northern margin ofits range, it is generally rare. It has been reported, for example, that during the flooding of the Chiew Larn Reservoir (Surat Thani Province; about 9° N, 98° 45' E), only six 7. napu were rescued compared with 172 71. kanchil. This area is the transition zone from wetter evergreen forest to drier deciduous types, and it might be that 7° napu is not well adapted to the drier forest types towards the northern limit ofits range. There are unconfirmed reports of the species on Java, where it may have been confused with one of the two color morphs of 7. javanicus. As explained in the Taxonomy section, the subspecific status of the populations of several islands remains unclear. in Tragulidae
Subspecies and Distribution. T.n.napuF.Cuvier,1822—SMyanmar,Thai/MalayPeninsula,islandsoffWMalayPeninsula(Langkawi&Pangkor),Borneo,SSumatra,BangkaI,islandsoffBorneo(Laut&Serasan). T.n.bangue:Chasen&Kloss,1931—BanggiIandBalembanganI,offNBorneo. T.n.bunguranensisMiller,1901—NatunaIs(=Bunguran),oftWBorneo. T.n.neubronneriSody,1931—NSumatra. T.n.nmiasisLyon,1916—NiasI,offWSumatra. T.n.rufulusMiller,1900—TiomanI,offEMalayPeninsula,RiauandLinggaArchipelagos. T. n. terutus Thomas & Wroughton, 1909 — Terutau I, off W Malay Peninsula. The species was recently reconfirmed for Singapore. Maps that include Vietnam, Cambodia, and Laos in the distribution range are based on the earlier assumption that 7. versicolor was a subspecies of 1. napu. Subsequent studies have indicated that 7. versicolor is a distinct species, and that the range of 1. napu therefore does not extend into Cambodia, Laos, and Vietnam. The northern limit on the Thai-Malay peninsula is not well defined. Specimens of 1. napu have been collected from as far north as Bankachon in southern Myanmar (10° 08" N), but despite fairly intensive camera-trapping in Kui Buri National Park, Thailand (12° N), 7. napu has not been photographed there. At the northern margin ofits range, it is generally rare. It has been reported, for example, that during the flooding of the Chiew Larn Reservoir (Surat Thani Province; about 9° N, 98° 45' E), only six 7. napu were rescued compared with 172 71. kanchil. This area is the transition zone from wetter evergreen forest to drier deciduous types, and it might be that 7° napu is not well adapted to the drier forest types towards the northern limit ofits range. There are unconfirmed reports of the species on Java, where it may have been confused with one of the two color morphs of 7. javanicus. As explained in the Taxonomy section, the subspecific status of the populations of several islands remains unclear.
Subspecies and Distribution. C.s.simumBurchell,1817—SEAngola,NENamibia,Botswana,Zimbabwe,SMozambique,Swaziland,SouthAfrica,andperhapsformerlyinextremeSWZambia. C. s. cottoni Lydekker, 1908 — historically present in S Chad, Central African Republic, S Sudan, NE DR Congo, and Uganda; last individuals occurred in DR Congo, but possibly extinct in the wild. The "Southern White Rhino," race simum, has been introduced into Kenya, Uganda, and Zambia. Especially vague range map for conservation reasons. in Rhinocerotidae
Subspecies and Distribution. C.s.simumBurchell,1817—SEAngola,NENamibia,Botswana,Zimbabwe,SMozambique,Swaziland,SouthAfrica,andperhapsformerlyinextremeSWZambia. C. s. cottoni Lydekker, 1908 — historically present in S Chad, Central African Republic, S Sudan, NE DR Congo, and Uganda; last individuals occurred in DR Congo, but possibly extinct in the wild. The "Southern White Rhino," race simum, has been introduced into Kenya, Uganda, and Zambia. Especially vague range map for conservation reasons.
Subspecies and Distribution. D.b.bicornisLinnaeus,1758—Namibia,W&SESouthAfrica. D.b.longipesZukowsky,1949—historicallyinNigeria,Cameroon,Chad,Sudan,andCentralAfricanRepublic(couldbeextinct). D. b. michaeli Zukowsky, 1965 — Kenya, Rwanda (could be extinct by now), and N Tanzania; historically also in Sudan, Ethiopia, and Uganda. D. b. minor Drummond, 1876 — C Tanzania, Zambia, Zimbabwe, Malawi, Botswana, and Mozambique (possibly extinct), to N and CE South Africa. Especially vague range map for conservation reasons. in Rhinocerotidae
Subspecies and Distribution. D.b.bicornisLinnaeus,1758—Namibia,W&SESouthAfrica. D.b.longipesZukowsky,1949—historicallyinNigeria,Cameroon,Chad,Sudan,andCentralAfricanRepublic(couldbeextinct). D. b. michaeli Zukowsky, 1965 — Kenya, Rwanda (could be extinct by now), and N Tanzania; historically also in Sudan, Ethiopia, and Uganda. D. b. minor Drummond, 1876 — C Tanzania, Zambia, Zimbabwe, Malawi, Botswana, and Mozambique (possibly extinct), to N and CE South Africa. Especially vague range map for conservation reasons.
Distribution. Congo Basin in C Africa (S Cameroon, S Central African Republic, DR Congo, Equatorial Guinea, Gabon, and Republic of the Congo). Distribution of this recently recognized speciesis still not well known and the range map is only speculative. in Elephantidae
Distribution. Congo Basin in C Africa (S Cameroon, S Central African Republic, DR Congo, Equatorial Guinea, Gabon, and Republic of the Congo). Distribution of this recently recognized speciesis still not well known and the range map is only speculative.
Distribution. Discontinuous and limited to wetland environments in the Congo Basin N and W of the range of the Zambezi Sitatunga in S Benin (Porto Novo), S Nigeria, Cameroon, Central African Republic, Equatorial Guinea, Gabon, Republic of the Congo, N DR Congo; also several isolated populations in W Africa (Senegal, Gambia & Guinea-Bissau), NE Nigeria and W Chad, and perhaps extreme S Ghana. Maps and distributional information here are provisional pending future research. in Bovidae
Distribution. Discontinuous and limited to wetland environments in the Congo Basin N and W of the range of the Zambezi Sitatunga in S Benin (Porto Novo), S Nigeria, Cameroon, Central African Republic, Equatorial Guinea, Gabon, Republic of the Congo, N DR Congo; also several isolated populations in W Africa (Senegal, Gambia & Guinea-Bissau), NE Nigeria and W Chad, and perhaps extreme S Ghana. Maps and distributional information here are provisional pending future research.
Subspecies and Distribution. R.t.timorensisdeBlainville,1822—TimorI. R.t.djongaVanBemmel,1949-MunaandButonIs. R.t.flovesiensisHeude,1897—Flores1. R.t.macassaricaHeude,1896—Sulawesi. R.t.moluccensisQuoy&Gaimard,1830—MoluccanIs. R.t.renschiSody,1932—Bali. R. t. russa Muller & Schlegel, 1845 — Java. Possibly it is native only to Java and Bali islands, introduced into Lombok, Flores, Sumbawa, Sumba, Timor, Sulawesi, and Moluccan Islands in ancient times. It was introduced during the last centuries in many locations, including New Guinea, Aru Islands, New Britain Is, Australia, New Zealand, New Caledonia, Mauritius, and Comoro Is. The map represents the native range and the oldest introductions. in Cervidae
Subspecies and Distribution. R.t.timorensisdeBlainville,1822—TimorI. R.t.djongaVanBemmel,1949-MunaandButonIs. R.t.flovesiensisHeude,1897—Flores1. R.t.macassaricaHeude,1896—Sulawesi. R.t.moluccensisQuoy&Gaimard,1830—MoluccanIs. R.t.renschiSody,1932—Bali. R. t. russa Muller & Schlegel, 1845 — Java. Possibly it is native only to Java and Bali islands, introduced into Lombok, Flores, Sumbawa, Sumba, Timor, Sulawesi, and Moluccan Islands in ancient times. It was introduced during the last centuries in many locations, including New Guinea, Aru Islands, New Britain Is, Australia, New Zealand, New Caledonia, Mauritius, and Comoro Is. The map represents the native range and the oldest introductions.
Distribution. Formerly Anatolia, Turkey, then has been introduced into Europe from ancient times and later into many other countries in North and South America, South Africa, Australia, New Zealand, and Fiji Is. The distribution map includes both the native range in Anatolia and the European continent with its old introductions. in Cervidae
Distribution. Formerly Anatolia, Turkey, then has been introduced into Europe from ancient times and later into many other countries in North and South America, South Africa, Australia, New Zealand, and Fiji Is. The distribution map includes both the native range in Anatolia and the European continent with its old introductions.
Distribution. Coasts of E Central America and NE South America from c.16° N in Honduras to ¢.27° S in S Brazil. Range into the Orinoco River system in Venezuela is mapped for this species, but it is uncertain if this population belongs to the Guiana Dolphin or the Tucuxi (S. fluviatilis). in Delphinidae
Distribution. Coasts of E Central America and NE South America from c.16° N in Honduras to ¢.27° S in S Brazil. Range into the Orinoco River system in Venezuela is mapped for this species, but it is uncertain if this population belongs to the Guiana Dolphin or the Tucuxi (S. fluviatilis).
Subspecies and Distribution. O.c.cuniculusLinnaeus,1758—N,NE&EIberianPeninsula(Spain). O.c.algirusLoche,1858—S,SW&WIberianPeninsula(Spain,Portugal),NMorocco,NAlgeria(includingHabibasI). O.c.brachyotusTrouessart,1917—SFrance. O.c.cnossiusBate,1906—CreteI. O.c.habetensisCabrera,1923—Tanger-Tetouan-AlHoceimaRegion(NMorocco). O. c. huxleyi Haeckel, 1874 — Mediterranean Is (Balearic Is, Corsica, Sardinia, Sicily and Macaronesia (Azores, Madeira, and Canary Is). Original distribution after last Ice Age restricted to Iberian Peninsula, W France, and N Africa. Ancient introductions of the nominate subspecies probably during the Ro- man period have spread it throughout Europe, and now it is present in most of W, C & E Europe and the Mediterranean and Macaronesian Is (these mostly old introductions are also shaded on the map). During the 20" century it has been released into the steppes of the Black Sea in Ukraine and Russia (N Caucasus); introduced into Australia in 1788 and again in 1859 where it is now widespread; it is found on many Pacific Is, islands off the coast of South Africa and Namibia, and in New Zealand; successfully introduced only since 1936 into South America, nowadays with a limited range in Chile, Argentina, and Falkland Is, it is also present in the Caribbean Is (all these modern introductions not shaded in the map). Worldwide as domesticated forms. in Leporidae
Subspecies and Distribution. O.c.cuniculusLinnaeus,1758—N,NE&EIberianPeninsula(Spain). O.c.algirusLoche,1858—S,SW&WIberianPeninsula(Spain,Portugal),NMorocco,NAlgeria(includingHabibasI). O.c.brachyotusTrouessart,1917—SFrance. O.c.cnossiusBate,1906—CreteI. O.c.habetensisCabrera,1923—Tanger-Tetouan-AlHoceimaRegion(NMorocco). O. c. huxleyi Haeckel, 1874 — Mediterranean Is (Balearic Is, Corsica, Sardinia, Sicily and Macaronesia (Azores, Madeira, and Canary Is). Original distribution after last Ice Age restricted to Iberian Peninsula, W France, and N Africa. Ancient introductions of the nominate subspecies probably during the Ro- man period have spread it throughout Europe, and now it is present in most of W, C & E Europe and the Mediterranean and Macaronesian Is (these mostly old introductions are also shaded on the map). During the 20" century it has been released into the steppes of the Black Sea in Ukraine and Russia (N Caucasus); introduced into Australia in 1788 and again in 1859 where it is now widespread; it is found on many Pacific Is, islands off the coast of South Africa and Namibia, and in New Zealand; successfully introduced only since 1936 into South America, nowadays with a limited range in Chile, Argentina, and Falkland Is, it is also present in the Caribbean Is (all these modern introductions not shaded in the map). Worldwide as domesticated forms.
Distribution. Restricted and patchy range in NE Madagascar that includes the humid forest belt extending from the Marojejy Massif and the Andapa Basin to Maroantsetra; the Androranga River may be the NE distributional limit in the Tsaratanana Corridor, although further surveys are needed to confirm this, and the Antainambalana River in the Makira Forest protected area is currently regarded as the S boundary. Currently, Marojejy represents the N limit ofits distribution, although historic range maps suggest that it once occurred as far N as the Bemarivo River near Sambava. The NE distributional limit in Makira was only recently established, when a few groups were found in the Antohaka Lava Forest, but informal reports suggest that the unprotected Maherivaratra Forest, outside NE Makira, may also contain Silky Sifakas. in Indriidae
Distribution. Restricted and patchy range in NE Madagascar that includes the humid forest belt extending from the Marojejy Massif and the Andapa Basin to Maroantsetra; the Androranga River may be the NE distributional limit in the Tsaratanana Corridor, although further surveys are needed to confirm this, and the Antainambalana River in the Makira Forest protected area is currently regarded as the S boundary. Currently, Marojejy represents the N limit ofits distribution, although historic range maps suggest that it once occurred as far N as the Bemarivo River near Sambava. The NE distributional limit in Makira was only recently established, when a few groups were found in the Antohaka Lava Forest, but informal reports suggest that the unprotected Maherivaratra Forest, outside NE Makira, may also contain Silky Sifakas.
FIGURE. Distribution maps of Drosera species with broad distribution ranges in Brazil. a, D. brevifolia. b, D. capillaris. c, D. cayennensis. d, D. communis. e, D. grantsaui. f, D. intermedia. in A synopsis of the genus Drosera (Droseraceae) in Brazil
FIGURE. Distribution maps of Drosera species with broad distribution ranges in Brazil. a, D. brevifolia. b, D. capillaris. c, D. cayennensis. d, D. communis. e, D. grantsaui. f, D. intermedia.
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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.