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318 results for “Ecoregions”
Supplementary material 1 from: Aman N, Khalid AN, Moncalvo J-M (2022) A compendium of macrofungi of Pakistan by ecoregions. MycoKeys 89: 171-233. https://doi.org/10.3897/mycokeys.89.81148
Macrofungi list by biome and ecoregion of Pakistan
Distribution. Chaco ecoregion in extreme SE Bolivia, W Paraguay, and NW Argentina (S to Cordoba). in Caviidae
Distribution. Chaco ecoregion in extreme SE Bolivia, W Paraguay, and NW Argentina (S to Cordoba).
Figure 4 from: Chakona A, Skelton PH (2017) A review of the Pseudobarbus afer (Peters, 1864) species complex (Teleostei, Cyprinidae) in the eastern Cape Fold Ecoregion of South Africa. ZooKeys 657: 109-140. https://doi.org/10.3897/zookeys.657.11076
Figure 4 - Scatter plots of scale counts and selected morphometric characters of Pseudobarbus afer s.s., Pseudobarbus senticeps and Pseudobarbus swartzi sp. n.
Figure 5 from: Chakona A, Skelton PH (2017) A review of the Pseudobarbus afer (Peters, 1864) species complex (Teleostei, Cyprinidae) in the eastern Cape Fold Ecoregion of South Africa. ZooKeys 657: 109-140. https://doi.org/10.3897/zookeys.657.11076
Figure 5 - Live colours of Pseudobarbus afer s.s (SAIAB 203790) from the Waterkloof River, Swartkops River system, Pseudobarbus senticeps (RS17AL01) from the source pool in the Upper Krom River system and Pseudobarbus swartzi sp. n. (SAIAB 203792) from a tributary of the Wabooms River, Gamtoos River system.
Figure 3 from: Chakona A, Skelton PH (2017) A review of the Pseudobarbus afer (Peters, 1864) species complex (Teleostei, Cyprinidae) in the eastern Cape Fold Ecoregion of South Africa. ZooKeys 657: 109-140. https://doi.org/10.3897/zookeys.657.11076
Figure 3 - a Scatter plot of PC1 against PC2 for a PCA carried out on five raw meristic characters (scale counts) for 162 specimens of the Pseudobarbus afer complex b Scatter plot of PC1 against PC2 for a PCA carried out on 17 morphometric characters for 154 specimens of the Pseudobarbus afer complex. Syntypes were not included in the analyses as all three specimens are in very poor condition, with very few intact scales, flaccid bodies and damaged fins. The plots indicate that Pseudobarbus senticeps, Pseudobarbus afer s.s. and Pseudobarbus swartzi can be clearly separated based on scale counts, but the three species show considerable overlap in morphological characters.
Figure 7 from: Chakona A, Skelton PH (2017) A review of the Pseudobarbus afer (Peters, 1864) species complex (Teleostei, Cyprinidae) in the eastern Cape Fold Ecoregion of South Africa. ZooKeys 657: 109-140. https://doi.org/10.3897/zookeys.657.11076
Figure 7 - Map of the eastern Cape Fold Ecoregion showing confirmed distributions of Pseudobarbus senticeps (turquois diamonds) restricted to the Krom River system), Pseudobarbus swartzi sp. n. (blue squares) (restricted to the Gamtoos River system and the Kabeljous and Seekoei Rivers) and Pseudobarbus afer s.s (red circles)(Baakens, Swartkops and Sundays River systems) based on recent surveys (2000–2016). Additional surveys are required to more accurately map the distribution ranges of these species in the Krom, Gamtoos, Swart, Kabeljous, Baakens and Sundays, and determine the status of populations in the Seekoei and Maitland River systems (open squares).
Figure 2 from: Chakona A, Skelton PH (2017) A review of the Pseudobarbus afer (Peters, 1864) species complex (Teleostei, Cyprinidae) in the eastern Cape Fold Ecoregion of South Africa. ZooKeys 657: 109-140. https://doi.org/10.3897/zookeys.657.11076
Figure 2 - Bayesian phylogenetic tree showing genetic distances between Pseudobarbus afer s. s, Pseudobarbus senticeps and Pseudobarbus swartzi sp. n. and their relationships with the other single barbeled Pseudobarbus species and lineages in the Cape Fold Ecoregion of South Africa. Bayesian posterior probabilities are shown on the branches. The symbols correspond to the distribution map of the three species in Figure 7.
Figure 8 from: Chakona A, Skelton PH (2017) A review of the Pseudobarbus afer (Peters, 1864) species complex (Teleostei, Cyprinidae) in the eastern Cape Fold Ecoregion of South Africa. ZooKeys 657: 109-140. https://doi.org/10.3897/zookeys.657.11076
Figure 8 - a An illustration of part of the Cape Fold Belt showing the drainage of the Gamtoos River system, sites of drainage capture of adjacent river systems and historical direction of flow of captured rivers (modified from Skelton, 1980) b Part of the eastern Cape Fold Ecoregion showing reconstructed Palaeoriver systems during the Last Glacial Maximum (modified from Swartz et al., 2007). The numerals represent present day river systems in the study area for the present study: 1, Krom; 2, Seekoei; 3, Swart; 4, Kabeljous; 5, Gamtoos; 6, Van Stadens; 7, Maitland; 8, Baakens; 9, Swartkops; 10, Coega; 11, Sundays).
Figure 6 from: Chakona A, Skelton PH (2017) A review of the Pseudobarbus afer (Peters, 1864) species complex (Teleostei, Cyprinidae) in the eastern Cape Fold Ecoregion of South Africa. ZooKeys 657: 109-140. https://doi.org/10.3897/zookeys.657.11076
Figure 6 - Preserved colours of Pseudobarbus afer s.s topotype (SAIAB 203790) from the Waterkloof River, Swartkops River system, Pseudobarbus senticeps holotype (SAIAB 304) from the Assegaaibosch River, Krom River system, Pseudobarbus senticeps topotype (SAIAB 200302) from the Assegaaibosch River, Krom River system, and Pseudobarbus swartzi sp. n. holotype (SAIAB 203792) from a tributary of the Wabooms River, Gamtoos River system. Note the differences in the arrangement of melanophores which produces distinct patterns on the latero-ventral scales of the three species.
Figure 5 from: Rosenfeld S, Marambio J, Ojeda J, Rodríguez JP, González-Wevar C, Gerard K, Contador T, Pizarro G, Mansilla A (2018) Trophic ecology of two coexisting Sub-Antarctic limpets of the genus Nacella: Spatio-temporal variation in food availability and diet composition of Nacella magellanica and N. deaurata in the Sub-Antarctic Ecoregion of Magellan . ZooKeys 738: 1-25. https://doi.org/10.3897/zookeys.738.21175
Figure 5 Light microscope and stereomicroscope images of microalgae, macroalgae and invertebrates taken from gut contents of Nacella deaurata.
Figure 4 from: Rosenfeld S, Marambio J, Ojeda J, Rodríguez JP, González-Wevar C, Gerard K, Contador T, Pizarro G, Mansilla A (2018) Trophic ecology of two coexisting Sub-Antarctic limpets of the genus Nacella: Spatio-temporal variation in food availability and diet composition of Nacella magellanica and N. deaurata in the Sub-Antarctic Ecoregion of Magellan . ZooKeys 738: 1-25. https://doi.org/10.3897/zookeys.738.21175
Figure 4 Light microscope and stereomicroscope images of microalgae, macroalgae and invertebrates taken from gut contents of Nacella magellanica.
Figure 3 from: Rosenfeld S, Marambio J, Ojeda J, Rodríguez JP, González-Wevar C, Gerard K, Contador T, Pizarro G, Mansilla A (2018) Trophic ecology of two coexisting Sub-Antarctic limpets of the genus Nacella: Spatio-temporal variation in food availability and diet composition of Nacella magellanica and N. deaurata in the Sub-Antarctic Ecoregion of Magellan . ZooKeys 738: 1-25. https://doi.org/10.3897/zookeys.738.21175
Figure 3 Non-metric multidimensional scaling of the dietary composition recorded in the gut contents of the Nacella species in Puerto del Hambre (a, c) and Otway Sound (b, d). a, b correspond to the winter months, and c, d to the summer months. The dashed line indicates the separation between species.
Figure 2 from: Rosenfeld S, Marambio J, Ojeda J, Rodríguez JP, González-Wevar C, Gerard K, Contador T, Pizarro G, Mansilla A (2018) Trophic ecology of two coexisting Sub-Antarctic limpets of the genus Nacella: Spatio-temporal variation in food availability and diet composition of Nacella magellanica and N. deaurata in the Sub-Antarctic Ecoregion of Magellan . ZooKeys 738: 1-25. https://doi.org/10.3897/zookeys.738.21175
Figure 2 Percentage contribution SIMPER of items in the gut contents of the Nacella species in Puerto del Hambre and Otway Sound for the winter and summer months. The contribution limit was 90% of the total dietary composition. SIMPER analysis shows the dissimilarity between the species of Nacella in the two localities (average dissimilarity in bold and on the bar). The contribution limit was 75% of the total dietary composition. M = Macroalgae (with colours) and I = Invertebrates (with grey scale). Structural hardness of the thallus for macroalgae: th = thin filaments, cf = corticated filaments, clf = cylinder-like form and lm= leathery macrophyte. Functional group for invertebrates: s = sessile and m = mobile.
Figure 1 from: Rosenfeld S, Marambio J, Ojeda J, Rodríguez JP, González-Wevar C, Gerard K, Contador T, Pizarro G, Mansilla A (2018) Trophic ecology of two coexisting Sub-Antarctic limpets of the genus Nacella: Spatio-temporal variation in food availability and diet composition of Nacella magellanica and N. deaurata in the Sub-Antarctic Ecoregion of Magellan . ZooKeys 738: 1-25. https://doi.org/10.3897/zookeys.738.21175
Figure 1 Location of study sites, circle = Puerto del Hambre and square = Otway Sound. Abbreviations: a, d general view of both localities b, e images of the middle intertidal c, f images of the lower intertidal.
Figure 5b from: Chakona A, Kadye WT, Bere T, Mazungula DN, Vreven E (2018) Evidence of hidden diversity and taxonomic conflicts in five stream fishes from the Eastern Zimbabwe Highlands freshwater ecoregion. ZooKeys 768: 69-95. https://doi.org/10.3897/zookeys.768.21944
Figure 5b The distribution of Hippopotamyrus sp. 'Buzi', (red circle), Hippopotamyrus sp. 'Pungwe' (blue circle) and Hippopotamyrus sp. 'Ruo' (green circle) in the Eastern Zimbabwe Highlands freshwater ecoregion and adjacent areas.
Figure 4a from: Chakona A, Kadye WT, Bere T, Mazungula DN, Vreven E (2018) Evidence of hidden diversity and taxonomic conflicts in five stream fishes from the Eastern Zimbabwe Highlands freshwater ecoregion. ZooKeys 768: 69-95. https://doi.org/10.3897/zookeys.768.21944
Figure 4a Bayesian phylogenetic tree based on mtDNA cytochrome oxidase sub unit I (COI) sequences showing the candidate species or molecular operational taxonomic units (MOTUs) identified within Zaireichthys monomotapa from the Eastern Zimbabwe Highlands freshwater ecoregion. Well supported nodes are shown by a solid circle. The indicated candidate species or MOTUs were identified using the GMYC method based on trees that were built using three different combinations of priors and rates of molecular evolution: (i) yule model and a constant clock, (ii) yule model and a relaxed clock, and (iii) coalescent model with constant population size and a constant clock.
Figure 5a from: Chakona A, Kadye WT, Bere T, Mazungula DN, Vreven E (2018) Evidence of hidden diversity and taxonomic conflicts in five stream fishes from the Eastern Zimbabwe Highlands freshwater ecoregion. ZooKeys 768: 69-95. https://doi.org/10.3897/zookeys.768.21944
Figure 5a Bayesian phylogenetic tree based on mtDNA cytochrome oxidase sub unit I (COI) sequences showing the candidate species or molecular operational taxonomic units (MOTUs) identified within Hippopotamyrus ansorgii from the Eastern Zimbabwe Highlands freshwater ecoregion. Well supported nodes are shown by a solid circle. The indicated candidate species or MOTUs were identified using the GMYC method based on trees that were built using three different combinations of priors and rates of molecular evolution: (i) yule model and a constant clock, (ii) yule model and a relaxed clock, and (iii) coalescent model with constant population size and a constant clock.
Figure 4b from: Chakona A, Kadye WT, Bere T, Mazungula DN, Vreven E (2018) Evidence of hidden diversity and taxonomic conflicts in five stream fishes from the Eastern Zimbabwe Highlands freshwater ecoregion. ZooKeys 768: 69-95. https://doi.org/10.3897/zookeys.768.21944
Figure 4b The distribution of Zaireichthys monomotapa sensu stricto (green circle), Zaireichthys sp. 'slender' (red circle) and Zaireichthys sp. 'leopard spot' (orange circle) in the Eastern Zimbabwe Highlands freshwater ecoregion and adjacent areas.
Figure 2c from: Chakona A, Kadye WT, Bere T, Mazungula DN, Vreven E (2018) Evidence of hidden diversity and taxonomic conflicts in five stream fishes from the Eastern Zimbabwe Highlands freshwater ecoregion. ZooKeys 768: 69-95. https://doi.org/10.3897/zookeys.768.21944
Figure 2c The distribution of Chiloglanis sp. 'dwarf' (green circle), Chiloglanis sp. 'Nyangombe' (blue circle) and Chloglanis sp. 'Pungwe' (red circle) in the Eastern Zimbabwe Highlands freshwater ecoregion and adjacent areas.
Figure 3b from: Chakona A, Kadye WT, Bere T, Mazungula DN, Vreven E (2018) Evidence of hidden diversity and taxonomic conflicts in five stream fishes from the Eastern Zimbabwe Highlands freshwater ecoregion. ZooKeys 768: 69-95. https://doi.org/10.3897/zookeys.768.21944
Figure 3b The distribution of Amphilius sp. 'natalensis Buzi' (dark blue circle), Amphilius sp. 'natalensis Pungwe' (red circle) and Amphilius sp. 'natalensis Ruo' (light blue circle), Amphilius sp. 'uranoscopus Save' (purple triangle), Amphilius sp. 'uranoscopus Buzi' (black triangle), Amphilius sp. 'uranoscopus Pungwe' (green triangle), Amphilius sp. 'uranoscopus Zambezi' (orange triangle) and Amphilius sp. 'uranoscopus Ruo' (yellow triangle) in the Eastern Zimbabwe Highlands freshwater ecoregion and adjacent areas.
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