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51 results for “Disjunct populations”
Distribution. NW Argentina (Tucuman Province), two disjunct populations in the Nevados de Aconquija. in Ctenomyidae
Distribution. NW Argentina (Tucuman Province), two disjunct populations in the Nevados de Aconquija.
Distribution. All three Andean ranges in C & S Colombia and S throughout both slopes of the Ecuadorian Andes to N Peru (Lambayeque Region), also a disjunct population in N Bolivia (Cochabamba Department). in Erethizontidae
Distribution. All three Andean ranges in C & S Colombia and S throughout both slopes of the Ecuadorian Andes to N Peru (Lambayeque Region), also a disjunct population in N Bolivia (Cochabamba Department).
Distribution. SW USA (restricted distribution in the San Jacinto Valley and adjacent lowlands, and a disjunct population near Warner Springs in SW California). in Heteromyidae
Distribution. SW USA (restricted distribution in the San Jacinto Valley and adjacent lowlands, and a disjunct population near Warner Springs in SW California).
Subspecies and Distribution. D. m. microps Merriam, 1904 — SW USA (Owens River drainage of W Mojave Desert, S California). D. m. alfredi Goldman, 1937 — W USA (Gunnison I, Great Salt Lake, Utah). D. m. aquilonius Willett, 1935 — W USA (lower elevations of the Great Basin Desert of NE California and NW Nevada). D. m. bonneuvillei Goldman, 1937 — W USA (Great Basin Desert of NE Nevada and NW Utah, corresponding closely with the former outline of Pleistocene Lake Bonneville). D. m. celsus Goldman, 1924 — SW USA (possibly disjunct distribution in Virgin River Valley of SW Utah and adjacent NW Arizona). D. m. centralis Hall & Dale, 1939 — W USA (Great Basin Desert of C & E Nevada). D. m. idahoensis Hall & Dale, 1939 — W USA (restricted to the Snake River Valley, SW Idaho). D. m. leucotis Goldman, 1931 — SW USA (restricted distribution between the Vermilion Cliffs and the brink of Marble Canyon of the Colorado River in N Arizona). D. m. levipes Merriam, 1904 — SW USA (restricted to Panamint Valley, S California). D. m. occidentalis Hall & Dale, 1939 — SW USA (Great Basin Desert in W & S Nevada and disjunct, restricted populations in the W Mojave Desert, SE California). D. m. preblei Goldman, 1921 — W USA (Great Basin Desert of SE Oregon and NW Nevada). D. m. russeolus Goldman, 1939 — W USA (Dolphin I, Great Salt Lake, Utah). D. m. subtenuis Goldman, 1939 -W USA (Badger, Carrington, and Stansbury Is, Great Salt Lake, and S on the mainland to Cedar Valley, NC Utah). in Heteromyidae
Subspecies and Distribution. D. m. microps Merriam, 1904 — SW USA (Owens River drainage of W Mojave Desert, S California). D. m. alfredi Goldman, 1937 — W USA (Gunnison I, Great Salt Lake, Utah). D. m. aquilonius Willett, 1935 — W USA (lower elevations of the Great Basin Desert of NE California and NW Nevada). D. m. bonneuvillei Goldman, 1937 — W USA (Great Basin Desert of NE Nevada and NW Utah, corresponding closely with the former outline of Pleistocene Lake Bonneville). D. m. celsus Goldman, 1924 — SW USA (possibly disjunct distribution in Virgin River Valley of SW Utah and adjacent NW Arizona). D. m. centralis Hall & Dale, 1939 — W USA (Great Basin Desert of C & E Nevada). D. m. idahoensis Hall & Dale, 1939 — W USA (restricted to the Snake River Valley, SW Idaho). D. m. leucotis Goldman, 1931 — SW USA (restricted distribution between the Vermilion Cliffs and the brink of Marble Canyon of the Colorado River in N Arizona). D. m. levipes Merriam, 1904 — SW USA (restricted to Panamint Valley, S California). D. m. occidentalis Hall & Dale, 1939 — SW USA (Great Basin Desert in W & S Nevada and disjunct, restricted populations in the W Mojave Desert, SE California). D. m. preblei Goldman, 1921 — W USA (Great Basin Desert of SE Oregon and NW Nevada). D. m. russeolus Goldman, 1939 — W USA (Dolphin I, Great Salt Lake, Utah). D. m. subtenuis Goldman, 1939 -W USA (Badger, Carrington, and Stansbury Is, Great Salt Lake, and S on the mainland to Cedar Valley, NC Utah).
Subspecies and Distribution. C.n.nelsoniMerriam,1894—NCMexico(SMexicanPlateaufromSCChihuahuatoNJalisco). C. n. canescens Merriam, 1894 — SW USA and N Mexico (W Texas and N Mexican Plateau to S Coahuila and NE Durango, and a disjunct population in SE New Mexico). in Heteromyidae
Subspecies and Distribution. C.n.nelsoniMerriam,1894—NCMexico(SMexicanPlateaufromSCChihuahuatoNJalisco). C. n. canescens Merriam, 1894 — SW USA and N Mexico (W Texas and N Mexican Plateau to S Coahuila and NE Durango, and a disjunct population in SE New Mexico).
Subspecies and Distribution. P. l. longimembris Coues, 1875 — SW USA (Mojave Desert and Transverse Ranges, SW California). P. l. aestivus Huey, 1928 — NW Mexico (W base Sierra Juarez to Valle de la Trinidad, N Baja California). P.l. arizonensis Goldman, 1931 — SW USA (SC Utah and NC Arizona to SE Nevada). P. l.bangsi Mearns, 1898 — SW USA (W Colorado Desert of S California). P. l. bombycinus Osgood, 1907 — SW USA and NW Mexico (lower Colorado River Valley of SE California, SW Arizona, NE Baja California, and NW Sonora). P. l. brevinasus Osgood, 1900 — SW USA (arid coastal basins of SW California). P. l. gulosus Hall, 1941 — W USA (along the W margin of former Pleistocene Lake Bonneville in the Great Basin of E Nevada and W Utah). P. l. internationalis Huey, 1939 — SW USA and NW Mexico (SC California and adjacent NC Baja California). P. l. kinoensis Huey, 1935 — NW Mexico (disjunct and geographically restricted population along Bahia Kino, W Sonora), but may be extinct. P. l. nevadensis Merriam, 1894 — W USA (Great Basin of SE Oregon, NE California, and NC Nevada). P. l. pacificus Mearns, 1898 — SW USA (coastal plains of SW California to the USA-Mexico border). P. I. panamintinus Merriam, 1894 — SW USA (Great Basin of W Nevada and SE California). P. l. pimensis Huey, 1937 — SW USA (disjunct distribution in SC Arizona). P. l. salinensis Bole, 1937 — SW USA (restricted distribution in the Salinas Valley of SE California). P. l. tularensis Richardson, 1937 — SW USA (restricted distribution in the upper valley of the Kern River, SC California). P. l. venustus Huey, 1930 — NW Mexico (known only from the type locality of San Agustin, NC Baja California). in Heteromyidae
Subspecies and Distribution. P. l. longimembris Coues, 1875 — SW USA (Mojave Desert and Transverse Ranges, SW California). P. l. aestivus Huey, 1928 — NW Mexico (W base Sierra Juarez to Valle de la Trinidad, N Baja California). P.l. arizonensis Goldman, 1931 — SW USA (SC Utah and NC Arizona to SE Nevada). P. l.bangsi Mearns, 1898 — SW USA (W Colorado Desert of S California). P. l. bombycinus Osgood, 1907 — SW USA and NW Mexico (lower Colorado River Valley of SE California, SW Arizona, NE Baja California, and NW Sonora). P. l. brevinasus Osgood, 1900 — SW USA (arid coastal basins of SW California). P. l. gulosus Hall, 1941 — W USA (along the W margin of former Pleistocene Lake Bonneville in the Great Basin of E Nevada and W Utah). P. l. internationalis Huey, 1939 — SW USA and NW Mexico (SC California and adjacent NC Baja California). P. l. kinoensis Huey, 1935 — NW Mexico (disjunct and geographically restricted population along Bahia Kino, W Sonora), but may be extinct. P. l. nevadensis Merriam, 1894 — W USA (Great Basin of SE Oregon, NE California, and NC Nevada). P. l. pacificus Mearns, 1898 — SW USA (coastal plains of SW California to the USA-Mexico border). P. I. panamintinus Merriam, 1894 — SW USA (Great Basin of W Nevada and SE California). P. l. pimensis Huey, 1937 — SW USA (disjunct distribution in SC Arizona). P. l. salinensis Bole, 1937 — SW USA (restricted distribution in the Salinas Valley of SE California). P. l. tularensis Richardson, 1937 — SW USA (restricted distribution in the upper valley of the Kern River, SC California). P. l. venustus Huey, 1930 — NW Mexico (known only from the type locality of San Agustin, NC Baja California).
Subspecies and Distribution. C.v.vellerosusGray,1865—Bolivia,NEChile,Paraguay,andhighlandsofNWArgentina;itprobablyalsooccursinSEPeru. C. v. pannosus Thomas, 1902 — lower areas of NC Argentina S to Mendoza, La Pampa, and SW Buenos Aires provinces; a disjunct population also occurs in E Buenos Aires Province, which is separated from the main distribution area by ¢.500 km. in Chlamyphoridae
Subspecies and Distribution. C.v.vellerosusGray,1865—Bolivia,NEChile,Paraguay,andhighlandsofNWArgentina;itprobablyalsooccursinSEPeru. C. v. pannosus Thomas, 1902 — lower areas of NC Argentina S to Mendoza, La Pampa, and SW Buenos Aires provinces; a disjunct population also occurs in E Buenos Aires Province, which is separated from the main distribution area by ¢.500 km.
Distribution. Notably disjunct distribution in Madagascar with separate populations in the N (moister forests of the Sambirano region and in scattered forest fragments on the slopes of the Tsaratanana Massif), the NW (two areas, one ranging from the Manongarivo Special Reserve to the Mahavavy du Nord River, and a more S extension from the Betsiboka River and Ankarafantsika National Park N to the Maevarano River), and the CE (NE of Antananarivo, N of the Mangoro River as far as the Ambatovaky Special Reserve); the distribution in the N part of its range and its relation to the White-fronted Brown Lemur (FE. albifrons) remain unclear; generally speaking, it occurs inland of the range of the White-fronted Brown Lemur, but additional surveys are needed. Introduced on the Comoros Is. in Lemuridae
Distribution. Notably disjunct distribution in Madagascar with separate populations in the N (moister forests of the Sambirano region and in scattered forest fragments on the slopes of the Tsaratanana Massif), the NW (two areas, one ranging from the Manongarivo Special Reserve to the Mahavavy du Nord River, and a more S extension from the Betsiboka River and Ankarafantsika National Park N to the Maevarano River), and the CE (NE of Antananarivo, N of the Mangoro River as far as the Ambatovaky Special Reserve); the distribution in the N part of its range and its relation to the White-fronted Brown Lemur (FE. albifrons) remain unclear; generally speaking, it occurs inland of the range of the White-fronted Brown Lemur, but additional surveys are needed. Introduced on the Comoros Is.
Distribution. NE Australia in N Queensland, in three disjunct populations, one on Mt Thornton Peak, one on Mt Windsor Tableland, and one on Mt Carbine Tableland. in Pseudocheiridae
Distribution. NE Australia in N Queensland, in three disjunct populations, one on Mt Thornton Peak, one on Mt Windsor Tableland, and one on Mt Carbine Tableland.
Distribution. Disjunct populations in the N in Colombia (Rio Magdalena Valley) and Venezuela (Yaracuy, Aragua, Guarico, and Apure states), and in the S in Brazil (Mato Grosso do Sul State), Paraguay (Presidente Hayes Department), and N Argentina (Salta, Tucuman, Santiago del Estero, Chaco, Santa Fe, and Entre Rios provinces). in Molossidae
Distribution. Disjunct populations in the N in Colombia (Rio Magdalena Valley) and Venezuela (Yaracuy, Aragua, Guarico, and Apure states), and in the S in Brazil (Mato Grosso do Sul State), Paraguay (Presidente Hayes Department), and N Argentina (Salta, Tucuman, Santiago del Estero, Chaco, Santa Fe, and Entre Rios provinces).
Distribution. Throughout sub-Saharan Africa from Senegal E to W Ethiopia, and S to Botswana, along with a few scattered localities in C & E Ethiopia and a disjunct population along the Nile in E Egypt. in Soricidae
Distribution. Throughout sub-Saharan Africa from Senegal E to W Ethiopia, and S to Botswana, along with a few scattered localities in C & E Ethiopia and a disjunct population along the Nile in E Egypt.
Distribution. SE Coahuila and W Nuevo Leon as well as a disjunct population in NW Coahuila, NE Mexico. in Soricidae
Distribution. SE Coahuila and W Nuevo Leon as well as a disjunct population in NW Coahuila, NE Mexico.
Distribution. Three disjunct populations in SW & E South Africa, in the Paarl Valley and Cape Peninsula of Western Cape Province and E slopes of the Drakensberg in Mpumalanga and KwaZulu-Natal provinces. in Muridae
Distribution. Three disjunct populations in SW & E South Africa, in the Paarl Valley and Cape Peninsula of Western Cape Province and E slopes of the Drakensberg in Mpumalanga and KwaZulu-Natal provinces.
Distribution. Disjunct in South Africa in Cape Fold Belt Mts in Western Cape and isolated populations in S Free State and Eastern Cape N of 33° S. in Muridae
Distribution. Disjunct in South Africa in Cape Fold Belt Mts in Western Cape and isolated populations in S Free State and Eastern Cape N of 33° S.
Data from: Population signatures of large-scale, long-term disjunction and small-scale, short-term habitat fragmentation in an Afromontane forest bird
The Eastern Afromontane cloud forests occur as geographically distinct mountain exclaves. The conditions of these forests range from large to small and from fairly intact to strongly degraded. For this study, we sampled individuals of the forest bird species, the Montane White-eye Zosterops poliogaster from 16 sites and four mountain archipelagos. We analysed 12 polymorphic microsatellites and three phenotypic traits, and calculated Species Distribution Models (SDMs) to project past distributions and predict potential future range shifts under a scenario of climate warming. We found well-supported genetic and morphologic clusters corresponding to the mountain ranges where populations were sampled, with 43% of all alleles being restricted to single mountains. Our data suggest that large-scale and long-term geographic isolation on mountain islands caused genetically and morphologically distinct population clusters in Z. poliogaster. However, major genetic and biometric splits were not correlated to the geographic distances among populations. This heterogeneous pattern can be explained by past climatic shifts, as highlighted by our SDM projections. Anthropogenically fragmented populations showed lower genetic diversity and a lower mean body mass, possibly in response to suboptimal habitat conditions. On the basis of these findings and the results from our SDM analysis we predict further loss of genotypic and phenotypic uniqueness in the wake of climate change, due to the contraction of the species' climatic niche and subsequent decline in population size.
Figure 1. Phylogenetic relationships between Anthidiellum troodicum, A in Taxonomic status of the disjunct populations of the resin bee Anthidiellum breviusculum (Pérez, 1890) s.l. in the Mediterranean (Apoidea: Anthidiini)
Figure 1. Phylogenetic relationships between Anthidiellum troodicum, A. africanum sp. nov. and A. breviusculum as inferred from COI (mitochondrial cytochrome c oxidase I) DNA sequences. The phylogram shows the best-scoring maximum likelihood tree. Numbers shown at nodes are maximum likelihood bootstrap values based on 1000 bootstrap replicates. A set of 36 COI sequences of Anthidiellum strigatum from different parts of its distribution range was used as outgroup.
Figure 6 in Taxonomic status of the disjunct populations of the resin bee Anthidiellum breviusculum (Pérez, 1890) s.l. in the Mediterranean (Apoidea: Anthidiini)
Figure 6. Distribution of Anthidiellum africanum sp. nov. (green dots), A. breviusculum (blue dots) and A. troodicum (red dots).
Figure 3 in Taxonomic status of the disjunct populations of the resin bee Anthidiellum breviusculum (Pérez, 1890) s.l. in the Mediterranean (Apoidea: Anthidiini)
Figure 3. Face of the female of (a) Anthidiellum breviusculum from Spain, (b) A. africanum sp. nov. from Algeria, and (c) A. troodicum from Turkey and (d) from Israel. Note the finer punctation of the clypeus in A. breviusculum (a) and A. africanum sp. nov. (b), and the coarser punctation in A. troodicum (c and d).
Figure 2 in Taxonomic status of the disjunct populations of the resin bee Anthidiellum breviusculum (Pérez, 1890) s.l. in the Mediterranean (Apoidea: Anthidiini)
Figure 2. Anthidiellum africanum sp. nov. (a) Female (holotyope) from Algeria. (b) Male (paratype) from Morocco.
Figure 5 in Taxonomic status of the disjunct populations of the resin bee Anthidiellum breviusculum (Pérez, 1890) s.l. in the Mediterranean (Apoidea: Anthidiini)
Figure 5. Variability of the punctation and colouration of the scutum in Anthidiellum troodicum. While the scutum is mostly densely punctured (a, male from western Turkey), scattered punctation is sometimes observed, particularly in some southern populations of the Levant b, male from Jordan). It is not yet understood whether this difference has taxonomic relevance.
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