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1,133 results for “Copepods”
Figure 5 in Seasonal variations of abundance and live/dead compositions of copepods in Mersin Bay, northeastern Levantine Sea (eastern Mediterranean)
Figure 5. Cluster diagram of abundance data sets of monthly sampling based on the Bray– Curtis similarity matrix (1 represents coastal station, 2 represents open water station).
Figure 9 in Population dynamics of the copepod invader Oithona davisae in the Black Sea
Figure 9. Relationship between the egg production rate and the temperature in Black Sea Oithona davisae, approximated by the exponential (----) and linear (-) equations within the range of 10–28 °С.
Figure 7 in Population dynamics of the copepod invader Oithona davisae in the Black Sea
Figure 7. Number of generations in Oithona davisae in 2014 (A), 2015 (B), and 2016 (C) distinguished on the basis of the maximum share of ovigerous females (F eggs, % of the total number of females), nauplii (N, % of the total population number), early copepodites of I and II stages (CI + II, % of the total number of copepodites), copepodites of III–V stages (CIII, CIV, and CV, respectively, % of the total number of copepodites), and females (F, % of the abundance of all copepodite stages). The solid lines show the succession of developmental stages within one generation (bold lines indicate the generations with the maximum numbers). The dotted lines show the relations between the generations.
Figure 4 in Population dynamics of the copepod invader Oithona davisae in the Black Sea
Figure 4. Seasonal dynamics of the mean (2013–2016) shares of males among adult males and females (А) and dead individuals (B) among females () and males (◊).
Figure 5 in Population dynamics of the copepod invader Oithona davisae in the Black Sea
Figure 5. Seasonal temperature deviations in the Sevastopol Bay during the period 2014–2016 compared with the seasonal temperature trend in 2013. The circle marks an abnormal water temperature in June 2016.
Figure 3 in Population dynamics of the copepod invader Oithona davisae in the Black Sea
Figure 3. Seasonal dynamics of total population abundance (), number of orthonauplii (), and copepodites (■) during 2014–2016.
Figure 8 in Population dynamics of the copepod invader Oithona davisae in the Black Sea
Figure 8. Relationships between the mean generation time and the mean development temperature in Sevastopol Bay () and Fukuyama Harbor (----) (Uye and Sano, 1998).
Figure 2 in Oxygen consumption rates and respiratory carbon losses in three species of copepods (Acartia clausi, Calanus helgolandicus and Limnocalanus macrurus) during starvation
Figure 2. Changes in Total (Ɣ, black lines), Basal (ż,blue lines) and Active (Ÿ, red lines) respiration in the Marmara Sea copepods Acartia clausi (A) and Calanus helgolandicus (B), and the Baltic Sea Limnocalanus macrurus (C) during starvation. Low-case letters (a, b and c) are the significant variable differences from Duncan's multiple range test (DMRT), p <0.05.
Figure 1 in Oxygen consumption rates and respiratory carbon losses in three species of copepods (Acartia clausi, Calanus helgolandicus and Limnocalanus macrurus) during starvation
Figure 1. Acartia clausi (a), Limnocalanus macrurus (b) and Calanus helgolandicus (c). Arrows indicate anterior (1) and posterior (2) oil sacs of L. macrurus and oil sac of C. helgolandicus (3).
Figure 3 in Diversity rhythm in pontellid copepods (Pontellidae: Copepoda) from the Covelong coast pre- and post-COVID-19 lockdown, Bay of Bengal
Figure 3. Correlation between physicochemical parameters in (a) prelockdown period and (b) postlockdown period (shades of brown indicate the coefficient towards –1 and shades of blue indicate the coefficients towards +1).
Figure 4 in Diversity rhythm in pontellid copepods (Pontellidae: Copepoda) from the Covelong coast pre- and post-COVID-19 lockdown, Bay of Bengal
Figure 4. RDA (redundancy analysis) of pontellid copepods and physicochemical parameters in (a) prelockdown period and (b) postlockdown period.
Figure 2 in Diversity rhythm in pontellid copepods (Pontellidae: Copepoda) from the Covelong coast pre- and post-COVID-19 lockdown, Bay of Bengal
Figure 2. Comparison between physicochemical parameters observed during prelockdown and postlockdown period: (a) temperature, (b) dissolved oxygen, (c) total pontellid density, (d) nitrite, (e) phosphate, (f) ammonia.
Fig. 3 in Copepod consumption by amphibians and fish with implications for transmission of Dracunculus species
Fig. 3. Average copepods ingested by tadpole species during the feeding trial. Bars represent average copepods ingested, error bars represent standard error, and dotted line shows average copepod loss in control trials. The lack of significant differences (p <0.05) determined by Tukey post-hoc contrasts are indicated by 'a'.
Fig. 2 in Copepod consumption by amphibians and fish with implications for transmission of Dracunculus species
Fig. 2. Average copepods ingested by fish species during the feeding trial. Bars represent average copepods ingested, error bars represent standard error, and dotted line shows average copepod loss in control trials. Significant differences (p <0.05) determined by Tukey post-hoc contrasts are indicated by 'a' and 'b'.
Fig. 1 in Copepod consumption by amphibians and fish with implications for transmission of Dracunculus species
Fig. 1. Average copepods ingested by animal type during the feeding trial. Bars represent average copepods ingested, error bars represent standard error, and dotted line shows average copepod loss in control trials. Significant differences (p <0.05) determined by Tukey post-hoc contrasts are indicated by 'a', 'b', and 'c'.
Fig. 10 in Miocene cyclopid copepod from a saline paleolake in Mojave, California
Fig. 10. Palaeogeography of the North Atlantic (Thulean) bridge during the sea-level lowstand in the Late Paleocene. The subaerial land connection (Davis Strait) between Baffin Island and central Greenland is under discussion. The much warmer climate and more southern position of the British Isles and Greenland facilitated dispersal of the thermophilic taxa between Europe and North America (modified from Brikiatis 2014).
Fig. 9 in Miocene cyclopid copepod from a saline paleolake in Mojave, California
Fig. 9. Schematic representation of the antennule segmentation and setation in Cyclopidae. A, B. Euryte robusta. C, D. Apocyclops panamensis. Female (A, C), male (B, D). Symbols: short line, anteroproximal seta; long line, anterodistal seta; ellipse, aesthetasc; filled black triangle, spinous seta on segment XIV; trapezoids, modified setae. Structures indicated with thick lines are present in the male but not expressed in the conspecific female. Roman numerals denote the ancestral segment homologies in the male of A. panamensis.
Fig. 8 in Miocene cyclopid copepod from a saline paleolake in Mojave, California
Fig. 8. Cyclopid copepod Apocyclops californicus sp. nov. from Mud Hills, Southern California; Burdigalian–Langhian, Miocene. A, B. Copepodid V. A. UMNH IP 4857, female, swimming legs 3−4, leg 5 and leg 6, in lateral view; arrowheads point to lobe setae and lateral seta of leg 5, and posteriormost seta of leg 6. B. UMNH IP 4825, male, leg 4 protopodite in caudal view, urosomites 1−3 in ventral view; arrowheads point to setae of leg 5 and leg 6. C. Copepodid IV, UMNH IP 4835, habitus in lateral view (C1), coxopodite, basipodite, and first exopodal segment of leg 3 and 4, leg 5, and leg 6 (C2). D. Copepodid III, UMNH IP 4849, habitus (D1) and nine-segmented antennule (D2) in dorsal views.
Fig. 3 in Miocene cyclopid copepod from a saline paleolake in Mojave, California
Fig. 3. Cyclopid copepod Apocyclops californicus sp. nov, from Mud Hills, Southern California; Burdigalian–Langhian, Miocene. A−C. Adult female. A. UMNH IP 4824 holotype, median section of the antennule showing some setae coded on segments 2−5 (VII−XIV) and antennal endopodite in anterior view (A1), spinulose surface ornamentation of pediger 5 and free segment of leg 5 in ventral view (A2); p or d means anteroproximal- or anterodistal seta, arrows point to ten setae on the second (penultimate) endopodal segment of the antenna, and two short setae on the distal endopodal segment of the maxilla (Mx). B. UMNH IP 4845, prosome with four pairs of the swimming legs in lateroventral view. C. UMNH IP 4852, spinulose surface ornamentation of pediger 5 and free segment of leg 5 in dorsal view. D, E. Adult male habitus. D. UMNH IP 4858, in lateroventral view. E. UMNH IP 4856, in dorsal view.
Fig. 1 in Miocene cyclopid copepod from a saline paleolake in Mojave, California
Fig. 1. Coding of the antennulary setae, shown on the female of cyclopid copepod Apocyclops cf. ramkhamhaengi (MIZ 2/2015/9) from Townsville (Australia), extant species. A. Segments 1−5 (I−XIV). B. Segments 6−8 (XV−XXIII). C. Segments 9−11 (XXIV−XXVIII). Armature elements denoted by black and grey codes are present in the male of Euryte robusta; codes in black denote setae or aesthetascs present in female in the Apocyclops panamensis group; Roman numeral refers to the ancestral segment on which the seta is inserted; p or d means anteroproximal- or anterodistal seta; Ae with Roman numeral in subscript means an aesthetasc inserted on the ancestral segment given in the subscript.
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