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139 results for “Southern Andes”
FIGURE 17 in Phylogenetic systematics, ecology, and conservation of marsupial frogs (Anura: Hemiphractidae) from the Andes of southern Ecuador, with descriptions of four new biphasic species
FIGURE 17. Advertisement calls of Gastrotheca elicioi (A–G) and G. lojana (H–N): (A) oscillogram of two consecutive calls with the first call composed of five short and three long notes and the next call composed of five short and four long notes, (B) oscillogram of a single short note, (C) spectrogram of a single short note, (D) power spectrum of a single short note, (E) oscillogram of a single long note, (F) spectrogram of a single long note, (G) power spectrum of a single long note, (H) oscillogram of three consecutive calls, with the first call composed of one long and one short notes and the next two calls composed of one long and two short notes, (I) oscillogram of a single long note, (J) spectrogram of a single long note, (K) power spectrum of a single long note, (L) oscillogram of a single short note, (M) spectrogram of a single short note, (N) power spectrum of a single short note. All spectrograms at Hanning window function, 512 bands resolution. See text for details.
FIGURE 23 in Phylogenetic systematics, ecology, and conservation of marsupial frogs (Anura: Hemiphractidae) from the Andes of southern Ecuador, with descriptions of four new biphasic species
FIGURE 23. Advertisement calls of Gastrotheca yacuri (A–G) and G. pseustes (H–N): (A) oscillogram of three consecutive calls, with the first call composed of two long notes and the next two calls composed of two long and two short notes, (B) oscillogram of a single long note, (C) spectrogram of a single long note, (D) power spectrum of a single long note, (E) oscillogram of a single short note, (F) spectrogram of a single short note, (G) power spectrum of a single short note, (H) oscillogram of two consecutive calls, with the first call composed of one long and five short notes and the next call composed of two long and five short notes, (I) oscillogram of a single long note, (J) spectrogram of a single long note, (K) power spectrum of a single long note, (L) oscillogram of a single short note, (M) spectrogram of a single short note, (N) power spectrum of a single short note. All spectrograms at Hanning window function, 512 bands resolution. See text for details.
FIGURE 12 in Phylogenetic systematics, ecology, and conservation of marsupial frogs (Anura: Hemiphractidae) from the Andes of southern Ecuador, with descriptions of four new biphasic species
FIGURE 12. Live holotype of Gastrotheca elicioi (CJ 1402, male, SVL = 46.4 cm): A) dorsal, ventral and lateral views, (B) ventral view of left hand, enlarged 1.8X of A, and (C) ventral view of left foot, enlarged 2.1X of A. Photos by LAC.
FIGURE 4 in Phylogenetic systematics, ecology, and conservation of marsupial frogs (Anura: Hemiphractidae) from the Andes of southern Ecuador, with descriptions of four new biphasic species
FIGURE 4. Live adults of Gastrotheca cuencana showing variation in lateral, groin, thighs and eye color pattern: (A) CJ 1940, female, SVL = 50.2 mm, (B) CJ 1392, male, SVL = 49.2 mm, and (C) CJ 1395, female, SVL = 62.7 mm. Not to scale. Photos by LAC.
FIGURE 5 in Phylogenetic systematics, ecology, and conservation of marsupial frogs (Anura: Hemiphractidae) from the Andes of southern Ecuador, with descriptions of four new biphasic species
FIGURE 5. Live tadpoles of: (A) Gastrotheca cuencana (CJ 1945, Stage 37), from Cuenca, Azuay Province, (B) Gastrotheca litonedis (CJ 6813, Stage 37), from Laguna de Busa, San Fernando, Azuay Province, (C) Gastrotheca lojana (CJ 1948, Stage 35), from Oña, Azuay Province, (D) Gastrotheca elicioi (CJ 4312a, Stage 37), from Loja, Loja Province, (E) Gastrotheca turnerorum (CJ 1957, Stage 36), from Laguna Negra de Jimbura, Parque Nacional Yacuri, Loja Province, and (F) Gastrotheca pseustes 1 (CJ 1949, Stage 37), from Chillacocha, El Oro Province. Scales = 3 mm (A–D, F) (E). Photos by LAC (A, C, E) and MAM (B, D).
FIGURE 2 in Phylogenetic systematics, ecology, and conservation of marsupial frogs (Anura: Hemiphractidae) from the Andes of southern Ecuador, with descriptions of four new biphasic species
FIGURE 2. Live holotype of Gastrotheca cuencana (CJ 1391, male, SVL = 50.4 mm): A) dorsal, ventral and lateral views, (B) ventral view of left hand, enlarged 2.15X of A, and (C) ventral view of right foot, enlarged 2.4X of A. Photos by LAC.
FIGURE 1 in Phylogenetic systematics, ecology, and conservation of marsupial frogs (Anura: Hemiphractidae) from the Andes of southern Ecuador, with descriptions of four new biphasic species
FIGURE 1. Phylogenetic relationships of Gastrotheca species depicted from the Majority-rule consensus tree resulted from Bayesian analyses. Node support values are from Bayesian and Maximun likelihood analyses are shown (Bayesian posterior probalilities/bootstrap support). Asterisks incdicate that support values were greater than 0.95 and 70% repectively. Two asterisks (**) indicate an individual identified as G. lateonota by Blackburn and Duellman (2013), Duellman et al. (2014), and Duellman (2015).
FIGURE 2. Senecio eliseae. A. Capitulum. B. Involucre. C in Senecio eliseae (Compositae, Senecioneae), a new species from the southern Ecuadorian Andes
FIGURE 2. Senecio eliseae. A. Capitulum. B. Involucre. C. Abaxial face of the leaf. D. Adaxial face of the leaf. E. Detail of the truncate style branches. F. Detail of the rhizomes. Plant from the type locality.
FIGURE 1. A–B. Senecio eliseae. A. Habit. B. Synflorescence. Plant from the type locality. C in Senecio eliseae (Compositae, Senecioneae), a new species from the southern Ecuadorian Andes
FIGURE 1. A–B. Senecio eliseae. A. Habit. B. Synflorescence. Plant from the type locality. C. Senecio hastatifolius. Detail of the involucral bracts. Isotype (LP-000511). D–E. Senecio tephrosioides. D. Habit. E. Synflorescence. Plant photographed at laguna El Voladero (El Ángel, Carchi) (not collected).
FIGURE 4 in Aristida tovariana (Poaceae, Aristidoideae), a new species from the Andes of Southern Peru
FIGURE 4. Habitat of Aristida tovariana in hydromorphic soil, at the type locality: Cangallo, Morochucos, Ayacucho, Peru; 3300 m. Photo by R. Castañeda, February 2018.
FIGURE 3 in Aristida tovariana (Poaceae, Aristidoideae), a new species from the Andes of Southern Peru
FIGURE 3. Inflorescences of Aristida tovariana at the type locality: Cangallo, Morochucos, Ayacucho, Peru; 3300 m. Photograph by R. Castañeda, February 2018.
FIGURE 1 in Aristida tovariana (Poaceae, Aristidoideae), a new species from the Andes of Southern Peru
FIGURE 1. Aristida tovariana (drawn from the holotype). A. Habit, B. Portion of involute leaf blade, C. Glumes (lower and upper), D. Lemma with column and awns, E. Caryopsis (hilum view), F. Caryopsis (scutellum view), G. Palea. Illustration by D. Cossios.
Data from: Abundance and morphometry changes across the high-mountain lake-size gradient in the tropical Andes of Southern Ecuador
The number, size, and shape of lakes are key determinants of the ecological functionality of a lake district. The lake area scaling relationships with lake number and volume enable upscaling biogeochemical processes and spatially considering organisms' metapopulation dynamics. These relationships vary regionally depending on the geomorphological context, particularly in the range of lake area <1 km2 and mountainous regions. The Cajas Massif (Southern Ecuador) holds a tropical mountain lake district with 5955 water bodies. The number of lakes deviates from a power law relationship with the lake area at both ends of the size range; similarly to the distributions found in temperate mountain ranges. The deviation of each distribution tail does not respond to the same cause. The marked relief limits the size of the largest lakes at high altitudes, whereas ponds are prompt to a complete infilling. A bathymetry survey of 202 lakes, selected across the full-size range, revealed a volume-area scaling coefficient larger than those found for other lake areas of glacial origin but softer relief. Water renewal time is not consistently proportional to the lake area due to the volume-area variation in midsize lakes. The 85% of the water surface is in lakes >104 m2 and 50% of the water resources are held in a few ones (∼10) deeper than 18 m. Therefore, midlakes and large lakes are by far more biogeochemically relevant than ponds and shallow lakes in this tropical mountain lake district.
FIGURE 1. Graffenrieda penneysii. A. Flowering branch. B in A new species of Graffenrieda (Melastomataceae) from the Andes in Southern Ecuador
FIGURE 1. Graffenrieda penneysii. A. Flowering branch. B. Leaf, adaxial surface, and detail of the base and margin. C. Detail of inflorescence. D. Flower at anthesis, frontal view. E. Petal. F. Flower just before anthesis, lateral view. G. Flower after anthesis in longitudinal section. H. Stamens in dorsal, ventral and lateral view. I. Ovary in cross section, longitudinal section and lateral view. J. Detail of infructescence. K. Fruit in longitudinal section [drawn from Penneys 1891 (FLAS, NY).]
FIGURE 2 in A new species of Graffenrieda (Melastomataceae) from the Andes in Southern Ecuador
FIGURE 2. Flower of Graffenrieda penneysii at anthesis (photo of the type collection from D. S. Penneys).
FIGURE 3 in Bartsia lydiae, a new species of Bartsia sect. Laxae (Orobanchaceae) from the southern Peruvian Andes with a revised key to Bartsia sect. Laxae
FIGURE 3. Distribution map of Bartsia lydiae with sites where the species was encountered marked with a star. ASTER DEM raster map provided by METI and NASA Land Processes Distributed Active Archive Center.
FIGURE 2. Bartsia lydiae. A. Flower. B. Corolla lip. C. Calyx, opened out from the ventral side. D. Bract, adaxial view. E. Anther. F in Bartsia lydiae, a new species of Bartsia sect. Laxae (Orobanchaceae) from the southern Peruvian Andes with a revised key to Bartsia sect. Laxae
FIGURE 2. Bartsia lydiae. A. Flower. B. Corolla lip. C. Calyx, opened out from the ventral side. D. Bract, adaxial view. E. Anther. F. Style. Illustration based on type specimen S.P. Sylvester 1754.
FIGURE 1 in Bartsia lydiae, a new species of Bartsia sect. Laxae (Orobanchaceae) from the southern Peruvian Andes with a revised key to Bartsia sect. Laxae
FIGURE 1. Features of Bartsia lydiae. A. Inflorescence of the type specimen, S.P. Sylvester 1754. B. Habit (type specimen, S.P. Sylvester 1754). C. Immature flowers with the corolla lip incurved or straight. The glandular indumentum on the bracts is easily noticeable, the deflexed calyx lobes are characteristic of sect. Laxae (S.P. Sylvester 1407). D. Mature flowers in the foreground showing the deflexed corolla lip (S.P. Sylvester 1649). Photographs taken by S.P. Sylvester.
Data from: A new species of marsupial frog (Anura: Hemiphractidae: Gastrotheca) from the Andes of southern Peru
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Data from: An assessment of carbon and nutrient limitations in the formation of the southern Andes treeline
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