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opencc-by-4.0Sep 2020View details →

Figure 1 in Ecotoxicological investigation of cyanobacterial crude extracts to Daphnia magna under subchronic test conditions

Figure 1. The effects of cyanobacterial crude extracts on the brood size. A: the first brood, B: the second brood. Asterisks indicate significant differences by the Kruskal-Wallis test, followed by the Wilcoxon rank-sum test for multiple comparison (*P <.05, **P <.01, ***P <.001).

opencc-by-4.0Sep 2020View details →

Figure 3 in Ecotoxicological investigation of cyanobacterial crude extracts to Daphnia magna under subchronic test conditions

Figure 3. Regression equations and correlation coefficients (R2) describing the highest correlations between the number of neonates per female (as mean) and CCE concentrations. The red color indicates the microcystin-containing crude extract and the green color indicates the microcystin-free crude extract.

opencc-by-4.0Sep 2020View details →

Figure 4 in Ecotoxicological investigation of cyanobacterial crude extracts to Daphnia magna under subchronic test conditions

Figure 4. The effects of cyanobacterial crude extracts on somatic growth of Daphnia magna. Asterisks indicate significant differences by the Kruskal-Wallis test, followed by the Wilcoxon rank-sum test for multiple comparison (*P <.05, **P <.01, ***P <.001).

Fig. 4 in First record of chronic Fascioloides magna infection in roe deer (Capreolus capreolus)

Fig. 4. Same liver as in Fig. 3. Left part of the liver contains new migratory channels. Note less pronounced hemorrhages and clean migratory channels, as well as traces of iron-porphyrin on surface of the livers.

Fig. 3 in First record of chronic Fascioloides magna infection in roe deer (Capreolus capreolus)

Fig. 3. Cut surface of roe deer liver. Note the pseudocyst and numerous ironporphyrin traces in the liver parenchyma and fluke extracted from the pseudocyst.

Fig. 1 in First record of chronic Fascioloides magna infection in roe deer (Capreolus capreolus)

Fig. 1. Acutely infected roe deer liver. Irregular liver surface with opaque Glissons capsule, traces of dark pigment and nodular protrusions (hemorrhages).

Fig. 5. H&E in First record of chronic Fascioloides magna infection in roe deer (Capreolus capreolus)

Fig. 5. H&E liver pseudocyst fragment (Sony alpha 6000). The center of the cyst containing numerous F. magna eggs, traces of free (P) and phagocytosed intracellular iron-porphyrin (IP) embedded in thick collagenous tissue (C), surrounded by numerous irregular bile ducts (B), new blood vessels (BV) and hypertrophied smooth muscle bundles. Magnification 2x.

Fig. 5 in A proposed ectochory of Galba truncatula snails between wallow sites enhances transmission of Fascioloides magna at gemenc, in Hungary

Fig. 5. Some intact shells and fragments of snails which were recovered from dry mud adhering to a tree trunk near a wallowing site. A relatively fresh and intact shell of G. truncatula (X) can be seen among the brownish pieces of only recently deceased (R) and old, whitish shells of snails.

Fig. 3. G in A proposed ectochory of Galba truncatula snails between wallow sites enhances transmission of Fascioloides magna at gemenc, in Hungary

Fig. 3. G. truncatula snails are foraging adjacent to a fresh faecal ball of red deer. In consequence of their intense foraging activity, they transform the smooth surface of mud rough. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)

Fig. 4 in A proposed ectochory of Galba truncatula snails between wallow sites enhances transmission of Fascioloides magna at gemenc, in Hungary

Fig. 4. Collection of dry mud-cover from a roadside tree trunk on the bank of a wallow. Thicker trees than the trunk of the bushes are regularly used by wild boars as rubbing poles. The edge of the puddle was trampled by animals.

Fig. 2. Several G. truncatula within a in A proposed ectochory of Galba truncatula snails between wallow sites enhances transmission of Fascioloides magna at gemenc, in Hungary

Fig. 2. Several G. truncatula within a shrinking puddle. The amphibious snails are distributed more or less evenly on the wettest parts of mud but not in the water. A footprint of red deer is on the left. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)

Fig. 1. A in A proposed ectochory of Galba truncatula snails between wallow sites enhances transmission of Fascioloides magna at gemenc, in Hungary

Fig. 1. A) The 57 sample sites, black circles, for the malacological survey performed at Gemenc. The sites were selected upon discussions with the hunters for water bodies that had known animal water contact. B) A typical puddle on a forest road in Gemenc flood area. Several footprints of game are immersed into the soft mud and the deepest center of the wallowing site rainwater last for month.

opencc-by-4.0Sep 2024View details →

Noche Magna

Measurements were conducted in an environment where the 5G network is being used by a large number of users simultaneously in a massive event. This scenario is crucial to understand how the 5G network behaves and responds under heavy load and heavy traffic conditions. During mass events, the demand for data and connectivity can increase significantly due to the large number of users using their mobile devices to share content, stream videos, access social networks and perform other online activities.

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Fitness cost from fluctuating ultraviolet radiation in Daphnia magna

Solar ultraviolet radiation (UVR) is an important environmental threat for organisms in aquatic systems, but its temporally variable nature makes the understanding of its effects ambiguous. The aim of our study was to assess potential fitness costs associated with fluctuating UVR in the aquatic zooplankter Daphnia magna. We investigated individual survival, reproduction and behaviour when exposed to different UVR treatments. Individuals exposed to fluctuating UVR, resembling natural variations in cloud cover, had the lowest fitness (measured as the number of offspring produced during their lifespan). In contrast, individuals exposed to the same, but constant UVR dose, had similar fitness as control individuals (not exposed to UVR), but they showed a significant reduction in daily movement. The re-occurring threat response to the fluctuating UVR treatment thus had strong fitness costs for D. magna, and we found no evidence for plastic behavioural responses when continually being exposed to UVR, despite the regular, predictable exposure schedule. In a broader context, our results imply that depending on how variable a stressor is in nature, populations may respond with alternative strategies, a framework that could promote rapid population differentiation and local adaptation.

opencc-zeroJul 2021View details →

opencc-zeroJun 2012View details →

FIG. 9. — Liotipoma magna n in New species and genera of colloniids from Indo-Pacific coral reefs, with the definition of a new subfamily Liotipomatinae n. subfam. (Turbinoidea, Colloniidae)

FIG. 9. — Liotipoma magna n. sp., female shells: A-D, paratype (MNHN 24768, stn DS105), off NW side Tutuba Island, Espiritu Santo, Vanuatu, 92 m, H 3.6, D 5.7 mm; E-G, paratype, off W side Tutuba Island (MNHN 24769, stn DS105), off NW side Tutuba Island, Espiritu Santo, Vanuatu, 92 m, H 3.4, D 5.3 mm. Scale bars: 1 mm.

opencc-by-4.0Mar 2007View details →

Fig. 7. Dobsonia magna AMNH 108486 in Element Homology and the Evolution of Dental Formulae in Megachiropteran Bats (Mammalia: Chiroptera: Pteropodidae)

Fig. 7. Dobsonia magna AMNH 108486, occlusal view of the anterior mandible showing pattern of replacement of lower incisors. Abbreviations: c lower canine, dc deciduous lower canine, di1 deciduous first lower incisor, di2 deciduous second lower incisor, dp3 deciduous third lower premolar, i2 second lower incisor, p1 first lower premolar, p3 third lower premolar, p4 fourth lower premolar. Scale 5 2 mm.

opencc-by-4.0Feb 2017View details →

FIGURE 77. Orchestina magna, male. A, B, D. Habitus. C, E, F. Cephalothorax. A, E. Lateral. B in Taxonomic Revision Of The Jumping Goblin Spiders Of The Genus Orchestina Simon, 1882, In The Americas (Araneae: Oonopidae)

FIGURE 77. Orchestina magna, male. A, B, D. Habitus. C, E, F. Cephalothorax. A, E. Lateral. B. Anterior; asterisks show conical projection of chelicerae. C. Dorsal. D. Anterolateral. F. Ventral. Arrow in E pointing to sclerotized band of carapace. Scale bars: 0.2 mm. (PBI_OON 37645).

opencc-zeroDec 2000View details →

FIG. 6. — Plinthosella magna n in New species of lithistid sponges from the Paleogene of the Ukraine

FIG. 6. — Plinthosella magna n. sp., holotype NHM ZN3; A, B, loose young, still smooth tripodial desmas in top and side views; C, D, typical tripodial strongly tuberculated desmas in top (C) and lateral (D) views; E, details of adult desmas to show character of tuberculation; F, G, choanosomal skeleton in top (F) and lateral (G) views to show its very dense character and nonterminal articulation of desmas. Scale bars: A, B, 100 µm; C, D, 200 µm; E, 50 µm; F-G, 500 µm. All SEM photographs.

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Daphnia magna trade-off safety from UV radiation for food

Research on diel vertical migration (DVM) is generally conducted at the population level, whereas few studies have focused on how individual animals behaviorally respond to threats when also having access to foraging opportunities. We utilized a 3-D tracking platform to record the swimming behavior of Daphnia magna exposed to ultraviolet radiation (UVR) in the presence or absence of a food patch. We analyzed the vertical position of individuals before and during UVR exposure and found that the presence of food reduced the average swimming depth during both sections of the trial. Since UVR is a strong driver of zooplankton behavior, our results highlight that biotic factors, such as food patches, have profound effects on both the amplitude and the frequency of avoidance behavior. In a broader context, the trade-off between threats and food adds to our understanding of the strength and variance of behavioral responses to threats, including DVM.

opencc-zeroNov 2022View details →