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517 results for “Floodplain”
FIGURE 2. Sciadicleithrum kritskyi n in Two new species of Sciadicleithrum (Monogenea: Dactylogyridae), gill parasites of Geophagus proximus (Castelnau) (Teleostei: Cichlidae), from the upper Paraná River floodplain, Brazil
FIGURE 2. Sciadicleithrum kritskyi n. sp. from Geophagus proximus. a. dorsal anchor; b. dorsal bar; c. ventral bar; d. aperture vaginal; e. hook 1, 2, 3, 4, 6, 7; f. hook 5; g. ventral anchor; h. Copulatory complex – ventral view; Scale-bars: a–g: 25 µ m; h: 12.5 µ m.
FIGURE 1. Sciadicleithrum kritskyi n in Two new species of Sciadicleithrum (Monogenea: Dactylogyridae), gill parasites of Geophagus proximus (Castelnau) (Teleostei: Cichlidae), from the upper Paraná River floodplain, Brazil
FIGURE 1. Sciadicleithrum kritskyi n. sp. from Geophagus proximus. Composite drawing of whole-mount (ventral view). Scale-bar: 100 µ m.
FIGURE 4. Sciadicleithrum paranaensis n in Two new species of Sciadicleithrum (Monogenea: Dactylogyridae), gill parasites of Geophagus proximus (Castelnau) (Teleostei: Cichlidae), from the upper Paraná River floodplain, Brazil
FIGURE 4. Sciadicleithrum paranaensis n. sp. from Geophagus proximus. a. dorsal anchor; b. ventral bar; c. dorsal bar; d. ventral anchor; e. Copulatory complex – dorsal view; f. Copulatory complex – ventral view; g. hook 1, 2, 3, 4, 6, 7; h. hook 5; i. Egg. Scale-bar: 25 µ m.
FIGURE 3. Sciadicleithrum paranaensis n in Two new species of Sciadicleithrum (Monogenea: Dactylogyridae), gill parasites of Geophagus proximus (Castelnau) (Teleostei: Cichlidae), from the upper Paraná River floodplain, Brazil
FIGURE 3. Sciadicleithrum paranaensis n. sp. from Geophagus proximus. Composite drawing of whole-mount (ventral view). Scale-bar: 100 µ m.
FIGURES 1–3. 1 in Three new species of Bidessodes Régimbart (Insecta, Coleoptera, Dytiscidae) from the Amazon river floodplain
FIGURES 1–3. 1. Bidessodes nessimiani sp. nov. 2. Bidessodes hamadae sp. nov. 3. Bidessodes demarcoi sp. nov. a, Dorsal habitus; b, prosternal process, ventral view; c, last visible abdominal sternite; d, aedeagus and parameres, dorsal view; e, aedeagus and parameres, lateral view; f, aedeagus, lateral view. Scale in dorsal habitus = 1.0 mm, others = 0.5mm.
FIGURES 1–2. 1 in Four new species of Desmopachria Babington (Insecta, Coleoptera, Dytiscidae) from the Amazon river floodplain
FIGURES 1–2. 1) Desmopachria manus sp. nov. 2) D. varzeana sp. nov. a) Dorsal habitus; b) last visible abdominal ventrite; c) male genitalia, dorsal view; d) male genitalia, ventral view; e) male genitalia, dorsal view with cover slips. Scale in dorsal habitus = 1.0 mm.
FIGURES 3–4. 3 in Four new species of Desmopachria Babington (Insecta, Coleoptera, Dytiscidae) from the Amazon river floodplain
FIGURES 3–4. 3) Desmopachria cavia sp. nov. 4) D. nigrocapitata sp. nov. a) Dorsal habitus; b) last visible abdominal ventrite; c) male genitalia, dorsal view; d) male genitalia, ventral view; e) male genitalia, dorsal view with cover slips. Scale in dorsal habitus = 1.0 mm.
FIGURE 3 in On a new cypridopsine genus (Crustacea, Ostracoda, Cyprididae) from the Upper Paraná River Floodplain (Brazil)
FIGURE 3. Limbs of Cabelodopsis hispida n. gen., all female. A. Rake like organ (MZUSP 24657). B. A2, for chaetotaxy of terminal segment see Fig. 3D (OC.3274). C. T3, detail of pincer (MZUSP 24655). D. A2, detail of the last segment (OC.3274). E. A1 (MZUSP 24658). F. T3 (MZUSP 24655). G. T1, palp (OC.3274).
FIGURE 2 in On a new cypridopsine genus (Crustacea, Ostracoda, Cyprididae) from the Upper Paraná River Floodplain (Brazil)
FIGURE 2. Va l ves of Cabelodopsis hispida n. gen., all female (specimen of illustrations A–F (KM.3418= lost). A. LV, internal view. B. LV, internal view, detail of anterior part. C. LV, internal view, detail of posterior part. D. RV, internal view. E. RV, internal view, detail of anterior part. F. RV, internal view, detail of posterior part. G. Cp, left lateral view (OC.3276). H. RV, detail of postero-ventral part, tilted (OC.3274). I. Cp, dorsal view (OC.3275). J. Cp, ventral view (OC.3277).
FIGURE 1 in On a new cypridopsine genus (Crustacea, Ostracoda, Cyprididae) from the Upper Paraná River Floodplain (Brazil)
FIGURE 1. Map of the area, indicating localities from where Cabelodopsis hispida n. gen. was collected.
FIGURE 4 in On a new cypridopsine genus (Crustacea, Ostracoda, Cyprididae) from the Upper Paraná River Floodplain (Brazil)
FIGURE 4. Limbs of Cabelodopsis hispida n. gen., all female. A. Mx1 (MZUSP 24654). B. T2 (OC.3273). C. Md palp (MZUSP 24656).
FIGURE 5 in Ostracods (Crustacea: Ostracoda) from the floodplain of the Chi River, Mahasarakham Province, Northeast Thailand, with the first record of male Tanycypris siamensis Savatenalinton & Martens, 2009
FIGURE 5. Scanning electron micrographs of ostracods found in the studied floodplain. A. Ilyocypris monstrifica (Norman, 1862), dorsal view of carapace. B. Limnocythere stationis (Vávra, 1891), dorsal view of carapace. C. Hemicypris ovata Sars, 1903, left lateral view of carapace. D. Physocypria crenulata (Sars, 1903), right lateral view of carapace. E. Bradleystrandesia weberi (Moniez, 1892), right lateral view of carapace. F. Pseudocypretta maculata Klie, 1932, right lateral view of carapace. Scale bars: 100 Μm for A–D, F and 200 Μm for E. Arrows point toward the anterior end.
FIGURE 4 in Ostracods (Crustacea: Ostracoda) from the floodplain of the Chi River, Mahasarakham Province, Northeast Thailand, with the first record of male Tanycypris siamensis Savatenalinton & Martens, 2009
FIGURE 4. Fabaeformiscandona subacuta (Yang, 1982), female (A–D) and male (E–F). A. Left valve, external view. B. Right valve, external view. C. Left valve, internal view. D. Right valve, internal view. E. Left valve, internal view. F. Right valve, internal view. Scale bar: 200 Μm.
FIGURE 3 in Ostracods (Crustacea: Ostracoda) from the floodplain of the Chi River, Mahasarakham Province, Northeast Thailand, with the first record of male Tanycypris siamensis Savatenalinton & Martens, 2009
FIGURE 3. Tanycypris siamensis Savatenalinton & Martens, 2009, male. A. Right prehensile palp (MSU-ZOC.101). B. Left prehensile palp (idem). C. Hemipenis (idem). D. Zenker organ (idem). E. Distal end of penultimate segment and terminal segment of A2 (MSU-ZOC.102). Scale bar: 50 Μm.
FIGURE 2 in Ostracods (Crustacea: Ostracoda) from the floodplain of the Chi River, Mahasarakham Province, Northeast Thailand, with the first record of male Tanycypris siamensis Savatenalinton & Martens, 2009
FIGURE 2. Tanycypris siamensis Savatenalinton & Martens, 2009, female (A–F) and male (G–K). A. Carapace, dorsal view (MSU-ZOC.097). B. Carapace, right lateral view (MSU-ZOC.098). C. Carapace, right lateral view, showing valve surface (idem). D. Left valve, internal view (MSU-ZOC.099). E. Right valve, internal view (idem). F. Right valve, internal view, showing muscle scars (idem). G. Carapace, dorsal view (MSU-ZOC.100). H. Carapace, right lateral view (MSU-ZOC.101). I. Left valve, internal view (MSU-ZOC.102). J. Right valve, internal view (idem). K. Right valve, internal view, showing muscle scars (idem). Scale bars: 100 Μm for A–B, D–E, G–J, 10 Μm for C and 20 Μm for F, K. Arrows point toward the anterior end.
FIGURE 1 in A new dwarf crayfish (Decapoda: Cambaridae) from floodplain swamps in central Alabama
FIGURE 1. Cambarellus (Pandicambarus) rotatus, n. sp.: A. lateral view of carapace; B, C, D, and E, respectively, mesial, lateral, caudal, cephalic views of terminal end of left gonopod of ♂I; F & G, respectively, mesial and lateral view of terminal end of left gonopod of ♂II; H, mesial view of entire ♂I gonopod; I, epistome; J, ischial hooks on legs II & III; K, dorsal view of carapace; L, ♀ annulus ventralis; M, antennal scale; N, dorsal view of right chela and carpus of ♂I. (1A–E, H, J, K & N of holotype ♂I; 1L of allotype ♀; 1F, G, I & M of morphotype ♂II).
FIGURE 4 in A new dwarf crayfish (Decapoda: Cambaridae) from floodplain swamps in central Alabama
FIGURE 4. Comparison of important morphological structures of Cambarellus rotatus, n. sp. and Cambarellus lesliei. A–C, Cambarellus rotatus, n. sp. respectively, gonopods in situ, ventral view, ♂I gonopod, mesial view, and epistome; D–F, C. lesliei, respectively, gonopods in situ, ventral view, ♂I gonopod, mesial view, and epistome. (4A–C of holotype ♂I).
Fig. 2 in Flight Ability In Nocturnal Tiger Beetles (Coleoptera: Carabidae: Cicindelinae) From Central Amazonian Floodplains (Brazil)
Fig. 2. Relative abundance of beetles with and without flight muscles in Phaeoaxantha klugii collected at different localities (see text). + = differences between females and males significant (Fisher's exact test, α <0.05). Pairwise differences between localities significant in both sexes (Fisher's exact tests, Bonferronicorrected, α <0.05).
Fig. 1 in Flight Ability In Nocturnal Tiger Beetles (Coleoptera: Carabidae: Cicindelinae) From Central Amazonian Floodplains (Brazil)
Fig. 1. Relative abundance of beetles with and without flight muscles in Phaeoxantha and Tetracha species in the Manaus region (N = absolute number of beetles). Flight muscle frequency differed significantly between (1) males and females in P. klugii (pooled for all microhabitats; see Fig. 2); (2) in the two populations of P. limata; (fp) = blackwater floodplain, (tf) = terra firme uplands. The two subspecies of P. aequinoctialis did not differ significantly in flight muscle frequency. Fisher's exact test, α <0.05.
Contrasting responses of forest phenological guilds to complex floodplain change
<p>Understanding the seasonal dynamics of the forest herb layer and the factors that influence it is essential for predicting how the forest ecosystem, including mutualistic interactions, will respond to global change. However, to date, no research has investigated how understorey phenological guilds respond to major environmental threats and forest interventions. We showed the marked changes in the phenological structure of floodplain forest plant communities over half a century at a multi-regional scale in Central Europe. Unlike previous studies focusing on individual species' responses to climate change, we examined shifts in species richness, frequency, and abundance between phenological guilds within the plant community. We examined the effects of temporal variation in climate, hydrology, soil conditions, and canopy structure, and assessed the effects of no-intervention and intervention management on phenological guild responses. Our results show a significant loss of local species richness and a decline in species frequency in the forest understorey vegetation, associated with species exhibiting summer phenology. In contrast, an increase in abundance and richness of spring flowering species was observed, attributed to high nutrient loads and reduced flooding, respectively. The abundance of spring species increased only in stands where canopy cover increased over time, probably due to the suppression of summer flowering species, allowing spring flowering species to spread on open bare ground. The community experienced a shift in maximum flowering plant richness from June to May. Despite management interventions such as clear-cutting and tree planting, our data show similar temporal trajectories in intervention and non-intervention forests, indicating that changes in phenological structure are largely independent of recent management activities.</p> <p><em>Synthesis.</em> We propose that a complex interplay of environmental factors, rather than climate change alone, is shaping shifts towards earlier phenological guilds in floodplain forests. This study highlights the importance of considering a comprehensive view of phenological guild dynamics and the impact of environmental factors on forest plant community structure in the face of global change.</p>
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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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.