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65 results for “marine copepods”
Data from: A metagenetic approach for revealing community structure of marine planktonic copepods
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CPR dataset for: Testing Bergmann's Rule in Marine Copepods
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Figure 4 in Temporal patterns of the calanoid copepod community in Veliko Jezero, an isolated marine lake (South Adriatic Sea): links to a larger-scale climate changes
Figure 4. Mean Margalef's species richness and Shannon–Wiener diversity index values per year; 90% confidence intervals are shown.
Figure 3 in Temporal patterns of the calanoid copepod community in Veliko Jezero, an isolated marine lake (South Adriatic Sea): links to a larger-scale climate changes
Figure 3. Seasonal and inter-annual patterns of total calanoid abundance (individuals per m3) (left scale and bars) and their contribution (%) to total mesozooplankton abundance (right scale and line) over the study period.
Figure 2 in Temporal patterns of the calanoid copepod community in Veliko Jezero, an isolated marine lake (South Adriatic Sea): links to a larger-scale climate changes
Figure 2. Seasonal and inter-annual patterns of hydrographic parameters (temperature and salinity) over the study period.
Data from: Ultraviolet irradiation increases size of the first clutch but decreases longevity in a marine copepod
An important component of life history theory is understanding how natural variation arises in populations. Both endogenous and exogenous factors contribute to organism survival and reproduction, and therefore, it is important to understand how such factors are both beneficial and detrimental to population dynamics. One ecologically relevant factor that influences the life history of aquatic organisms is ultraviolet (UV) radiation. While the majority of research has focused on the potentially detrimental effects that UV radiation has on aquatic organisms, few studies have evaluated hormetic responses stimulated by radiation under select conditions. The goal of this study was to evaluate the impact of UV-A/B irradiation on life history characteristics in Tigriopus californicus copepods. After exposing copepods to UV-A/B irradiation (control, one, and three-hour UV treatments at 0.5 W/m2), we measured the impact of exposure on fecundity, reproductive effort, and longevity. We found that UV irradiation increased the size of the first clutch among all reproducing females in both the one and three-hour experimental groups and decreased longevity among all females that mated in the one-hour treatment. UV irradiation had no effect on the number of clutches females produced. These findings indicate a potential benefit of UV irradiation on reproductive performance early in life, although the same exposure came at a cost to longevity.
Fig. 26. Asteropontoides acutirostris n in Siphonostomatoid copepods (Crustacea) mainly associated with marine invertebrates from Korean waters
Fig. 26. Asteropontoides acutirostris n. sp., female. A, urosome, ventral; B, anal somite and caudal rami, ventral; C, antennule; D, left legs 5 and 6, ventral; E, exopod of leg 5. Scale bars: A, C, 0.05 mm; B, D, E, 0.02 mm.
Fig. 24. Asteropontoides acutirostris n in Siphonostomatoid copepods (Crustacea) mainly associated with marine invertebrates from Korean waters
Fig. 24. Asteropontoides acutirostris n. sp., female. A, habitus, dorsal; B, urosome, dorsal; C, anal somite and caudal rami, dorsal; D, rostrum; E, antennule; F, antenna; G, oral siphon; H, mandible; I, maxillule. Scale bars: A, 0.1 mm; B, EI, 0.05 mm; C, D, 0.02 mm.
Fig. 21. Scottocheres mipoensis n in Siphonostomatoid copepods (Crustacea) mainly associated with marine invertebrates from Korean waters
Fig. 21. Scottocheres mipoensis n. sp., female. A, habitus, dorsal; B, urosome, dorsal; C, first 2 urosomal somites, ventral; D, right caudal ramus, dorsal; E, antennule; F, antenna; G, oral siphon and mandible; H, maxillule. Scale bars: A, 0.1 mm; B, C, G, 0.05 mm; DF, H, 0.02 mm.
Fig. 18 in Siphonostomatoid copepods (Crustacea) mainly associated with marine invertebrates from Korean waters
Fig. 18. Asterocheres simulans (T. Scott), male. A, urosome except for fifth pedigerous somite, ventral; B, antennule; C, proximal part of maxilliped; D, leg 1 endopod; E, leg 5 exopod. Scale bars: AD, 0.05 mm; E, 0.02 mm.
Fig. 15. Asterocheres cuspis n in Siphonostomatoid copepods (Crustacea) mainly associated with marine invertebrates from Korean waters
Fig. 15. Asterocheres cuspis n. sp., male. A, habitus, dorsal; B, urosome, ventral; C, antennule; D, maxilliped; E, third exopodal segment of leg 2; F, third exopodal segment of leg 3; G, leg 5 exopod. Scale bars: A, 0.2 mm; BF, 0.05 mm; G, 0.02 mm.
Fig. 23. Scottocheres mipoensis n in Siphonostomatoid copepods (Crustacea) mainly associated with marine invertebrates from Korean waters
Fig. 23. Scottocheres mipoensis n. sp. Female: A, leg 5; B, genital aperture. Male: C, habitus, dorsal; D, urosome, ventral; E, antennule; F, proximal part of maxilliped; G, leg 2 endoped; H, leg 3 endopod; I, leg 5; J, leg 6. Scale bars: A, D, 0.05 mm; B, EJ, 0.05 mm; C, 0.1 mm.
Fig. 9 in Siphonostomatoid copepods (Crustacea) mainly associated with marine invertebrates from Korean waters
Fig. 9. Asterocheres lilljeborgi Boeck. Female: A, leg 3 endopod; B, leg 4; C, leg 5 exopod; D, left side of genital doublesomite, dorsal. Male: E, habitus, dorsal; F, urosome, ventral; G, antennule; H, leg 5 exopod. Scale bars: AC, F, G, 0.05 mm; D, E, H, 0.02 mm.
Fig. 11. Asterocheres horridus n in Siphonostomatoid copepods (Crustacea) mainly associated with marine invertebrates from Korean waters
Fig. 11. Asterocheres horridus n. sp., female. A, maxilla; B, maxilliped; C, leg 1; D, leg 2; E, leg 3 endopod; F, leg 4; G, leg 5 exopod; H, left side of genital doublesomite, dorsal. Scale bars: 0.02 mm.
Fig. 7. Asterocheres lilljeborgi Boeck, female. A in Siphonostomatoid copepods (Crustacea) mainly associated with marine invertebrates from Korean waters
Fig. 7. Asterocheres lilljeborgi Boeck, female. A, habitus, dorsal; B, urosome, dorsal; C, caudal rami, dorsal; D, antennule; E, antenna; F, oral siphon. Scale bars: A, 0.2 mm; B, F, 0.1 mm; C, 0.02 mm; D, E, 0.05 mm.
Fig. 2. Arctopontius minutus n in Siphonostomatoid copepods (Crustacea) mainly associated with marine invertebrates from Korean waters
Fig. 2. Arctopontius minutus n. sp., female. A, maxilla; B, maxilliped; C, leg 1; D, leg 2; E, leg 4; F, leg 4 endopod; G, leg 5; H, left genital aperture, ventral. Scale bars: AE, H, 0.05 mm; F, G, 0.02 mm.
Fig. 6. Laophontella horrida dentata Mielke, 1992 in Three new harpacticoid copepods for Korea from marine interstitial habitats
Fig. 6. Laophontella horrida dentata Mielke, 1992; A-C, CLM photographs; D-H, SEM photographs, adult male; A, adult male (right) and juvenile (left), habitus, lateral view; B, adult male, postero-lateral processes on cephalothorax and first free prosomite; C, adult male (right) and juvenile (left), caudal rami; D, habitus; E, anterior part of cephalothoracic shield; F, posterior part of cephalothoracic shield; G, postero-lateral processes on free prosomites; H, tip of postero-lateral process on first free prosomite.
Figure 4 from: Lee J, Chang CY (2015) A new marine cyclopoid copepod of the genus Neocyclops (Cyclopidae, Halicyclopinae) from Korea. ZooKeys 520: 131-146. https://doi.org/10.3897/zookeys.520.6006
Figure 4 - Neocyclops hoonsooi sp. n., female. A leg 1 B leg 2 C leg 3 D leg 4. All scale bars: 50 µm.
Figure 2 from: Lee J, Chang CY (2015) A new marine cyclopoid copepod of the genus Neocyclops (Cyclopidae, Halicyclopinae) from Korea. ZooKeys 520: 131-146. https://doi.org/10.3897/zookeys.520.6006
Figure 2 - Neocyclops hoonsooi sp. n. A–B female: A urosome, ventral B anal somite and caudal rami, dorsal. C–D male: C anal somite and caudal rami, dorsal D urosome and leg 5, ventral. Scale bars: 50 µm.
Figure 1 from: Lee J, Chang CY (2015) A new marine cyclopoid copepod of the genus Neocyclops (Cyclopidae, Halicyclopinae) from Korea. ZooKeys 520: 131-146. https://doi.org/10.3897/zookeys.520.6006
Figure 1 - Neocyclops hoonsooi sp. n. A–B female: A habitus, dorsal B right antennule, dorsal. C–D male: C habitus, dorsal D left antennule, dorsal. Scale bars: 100 µm (A, C), 50 µm (B, D).
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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