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126 results for “rice field”
FIGURE 17 in Ilyocypris (Crustacea: Ostracoda) species in North East Asian rice fields description of one new species, and redescriptions of Ilyocypris dentifera Sars 1903 and Ilyocypris japonica Okubo, 1990
FIGURE 17. Summary of the soft part characters defining the two Ilyocypris groups recognized herein. (1) Only two males of I. bradyi have been reported, but they were not found with any adult females (Karanovic & Lee 2013). (2) Adult females of I. hanguk are unknown (Karanovic & Lee 2013). (3, 4, 8, 9) Outlines drawn from figures in Karanovic & Lee (2013). (5, 6) Outlines drawn from photograph in Zhai & Xiao (2013). (7) Outline drawn from figure in Smith et al. (2011). (10, 11) Outlines drawn from photograph in Ma et al. (2018). * indicates figures reflected on the vertical axis to facilitate comparisons. Not to scale.
FIGURE 15 in Ilyocypris (Crustacea: Ostracoda) species in North East Asian rice fields description of one new species, and redescriptions of Ilyocypris dentifera Sars 1903 and Ilyocypris japonica Okubo, 1990
FIGURE 15. Ilyocypris incus sp. nov. A, antennule, male (DB40054). B, antenna, male (LBM 1430009132). C, mandibular palp, female (LBM 1430009136). D, mandibular coxa, female (LBM 1430009134). E, maxillula palp and endites (setae on endites not drawn), female (LBM 1430009136). F, fifth limb, female (DB40055). G, sixth limb, male (LBM 1430009132), arrow and dashed line indicate length of first endopodal segment. H, fifth limb palp, male (DB40054). All specimens from sample 14; see Table 1.
FIGURE 14 in Ilyocypris (Crustacea: Ostracoda) species in North East Asian rice fields description of one new species, and redescriptions of Ilyocypris dentifera Sars 1903 and Ilyocypris japonica Okubo, 1990
FIGURE 14. Ilyocypris incus sp. nov. A, female left valve, external view (LBM 1430009136). B, female right valve, external view (LBM 1430009136). C, female left valve, internal view (LBM 1430009136). D, female right valve, internal view (LBM 1430009136). E, female left valve, internal view, detail of postero-ventral margin (LBM 1430009136). F, female right valve, internal view, detail of antero-ventral margin (LBM 1430009136). G, female carapace, dorsal view, anterior to right (LBM 1430009137). H, male right valve, external view (LBM1430009131). I, male carapace, dorsal view, anterior to right (LBM 1430009138). J, male right valve, ventral view (LBM 1430009133). K, male right valve, detail of ventral margin (LBM 1430009133). Scale bar = 500 µm for A–D, G–J, 174 µm for E & F, 135 µm for K. All specimens from sample 14; see Table 1.
FIGURE 12. Ilyocypris dentifera Sars, 1903. A in Ilyocypris (Crustacea: Ostracoda) species in North East Asian rice fields description of one new species, and redescriptions of Ilyocypris dentifera Sars 1903 and Ilyocypris japonica Okubo, 1990
FIGURE 12. Ilyocypris dentifera Sars, 1903. A, antennule, male (LBM 1430009119). B, antenna, male (LBM 1430009119). C, mandibular palp, female (LBM 1430009120). D, mandibular coxa, male (LBM 1430009119). E, maxillula palp and endites (setae on endites not drawn), male (LBM 1430009119). F, fifth limb, female (LBM 1430009125). G, fifth limb palp, female (LBM 1430009121). H, sixth limb, male (LBM 1430009119), arrow and dashed line indicate length of first endopodal segment. All specimens from sample 6; see Table 1.
FIGURE 11. A–C in Ilyocypris (Crustacea: Ostracoda) species in North East Asian rice fields description of one new species, and redescriptions of Ilyocypris dentifera Sars 1903 and Ilyocypris japonica Okubo, 1990
FIGURE 11. A–C, Ilyocypris dentifera Sars, 1903, tuberculated form. A, female carapace, right lateral view (LBM 1430009129, sample 23; see Table 1). B, female carapace, dorsal view, anterior to right (LBM 1430009129, sample 23). C, male carapace, dorsal view, anterior to right (LBM 1430009126, sample 16). D–F, Ilyocypris angulata Sars, 1903. D, female right valve, external view (LBM 1430009113, sample 20). E, female carapace, dorsal view, anterior to right (LBM 1430009115 sample 20). F, male carapace, dorsal view, anterior to right (LBM 1430009114, sample 20). Scale bar = 500 µm
FIGURE 10. Ilyocypris dentifera Sars, 1903. A in Ilyocypris (Crustacea: Ostracoda) species in North East Asian rice fields description of one new species, and redescriptions of Ilyocypris dentifera Sars 1903 and Ilyocypris japonica Okubo, 1990
FIGURE 10. Ilyocypris dentifera Sars, 1903. A, female left valve, external view (LBM 1430009124, sample 6; see Table 1). B, female right valve, external view. White dotted line marks comma-shaped depression (LBM 1430009124, sample 6). C, female left valve, internal view (LBM 1430009124, sample 6). D, female right valve, internal view (LBM 1430009124, sample 6). E, female left valve, internal view, detail of postero-ventral margin (LBM 1430009124, sample 6). F, female right valve, internal view, detail of antero-ventral margin (LBM 1430009124, sample 6). G, female left valve, internal view, muscle scars (LBM 1430009124, sample 6). H, male right valve, external view (LBM 1430009122, sample 6). I, female carapace, dorsal view, anterior to right (LBM 1430009123, sample 6). J, male carapace, dorsal view, anterior to right (LBM 1430009130, sample 25). K, male right valve, ventral view (LBM 1430009122, sample 6). L, male right valve, detail of ventral margin (LBM 1430009122, sample 6). Scale bar = 500 µm for A–D, H–K, 174 µm for E–G, 151 µm for L.
FIGURE 9 in Ilyocypris (Crustacea: Ostracoda) species in North East Asian rice fields description of one new species, and redescriptions of Ilyocypris dentifera Sars 1903 and Ilyocypris japonica Okubo, 1990
FIGURE 9. Distribution maps of Ilyocypris dentifera, I. angulata, I. japonica, I. mongolica, and Ilyocypris incus sp. nov. One additional fossil record of I. dentifera exists from Manitoba, Canada (Klassen et al. 1967), but is not shown on the map. As the records of Ilyocypris dentifera of Kim & Min (1991) probably at least in part refer to different species, their records are not plotted on the map. Records of I. dentifera by Huang (1986) and Huang et al. (2006) are also not plotted as they are likely to also be misidentifications. Other reports with no figures cannot be confirmed but are plotted (see text for more details).? indicates uncertain records. Abbreviations and colours of points refer to Köppen climatic zones, following Peel et al. (2007). Data from: 1, Kaiser et al. (1973). 2, Shinde et al. (2014). 3, Kulkarni et al. (2015). 4, Zhai & Zhao (2014). 5, Chen (1982; 1990). 6, Sars (1903), Chen (1982). 7, Yu et al. (2005). 8, Ma & Yu (2018). 9, Yu (2014). 10, Yu et al. (2009). 11, Victor & Fernando (1980). 12, Zenina & Schornikov (2008). 13, Sidorov & Semenchenko (2012). 14, Lee et al. (2000). 15, This study. 16, Tabuki & Tsuhako (2015). 17, Okubo (1990). 18, Broodbakker (1988). 19, Okubo (2004), this study. 20, Tanaka et al. (2015). 21, Sánchez-Bayo & Goka (2006a; 2006b). 22, Van der Meeren et al. (2010). 23, Martens (1991). 24, Zhai & Zhao (2014). 25, This study. 26, Okubo & Terauchi (1992). 27, This study. 28, Okubo (1990). 29, Nakao & Tsukagoshi (2002; 2008). 30, This study. 31, Okubo (1974).
FIGURE 16 in Ilyocypris (Crustacea: Ostracoda) species in North East Asian rice fields description of one new species, and redescriptions of Ilyocypris dentifera Sars 1903 and Ilyocypris japonica Okubo, 1990
FIGURE 16. Ilyocypris incus sp. nov. A, detail of female antenna (LBM 1430009134). B, detail of male antenna (LBM 1430009132). C, seventh limb, male (LBM 1430009132). D, caudal ramus, male (DB40054). E, outline of female reproductive organ, arrow indicates anterior (LBM 1430009134). F, hemipenis (LBM 1430009132). G, copulatory process of hemipenis (LBM 1430009132). H, outlines of the hemipenes of four specimens (left to right LBM 1430009132, LBM 1430009135, LBM 1430009133 (reflected on the vertical axis), DB40054). All specimens from sample 14; see Table 1.
FIGURE 8. Ilyocypris mongolica Martens, 1991. A in Ilyocypris (Crustacea: Ostracoda) species in North East Asian rice fields description of one new species, and redescriptions of Ilyocypris dentifera Sars 1903 and Ilyocypris japonica Okubo, 1990
FIGURE 8. Ilyocypris mongolica Martens, 1991. A, female left valve, external view (LBM 1430009163). B, female right valve, external view (LBM 1430009163). C, female left valve, internal view (LBM 1430009163). D, female right valve, internal view (LBM 1430009163). E, female left valve, internal view, detail of postero-ventral margin (LBM 1430009163). F, female right valve, internal view, detail of antero-ventral margin (LBM 1430009163). G, female left valve, internal view, muscle scars (LBM 1430009163). H, male right valve, external view (LBM 1430009161). I, female carapace, dorsal view, anterior to right (LBM 1430009162). Scale bar = 500 µm for A–D, H–I, 174 µm for E–G. All specimens from sample 17; see Table 1.
FIGURE 5 in Ilyocypris (Crustacea: Ostracoda) species in North East Asian rice fields description of one new species, and redescriptions of Ilyocypris dentifera Sars 1903 and Ilyocypris japonica Okubo, 1990
FIGURE 5. Light microscopy photographs of Ilyocypris hemipenes. A, Ilyocypris japonica Okubo, 1990 (LBM 1430009150, sample 18; see Table 1). B, Ilyocypris japonica Okubo, 1990 (LBM 1430009151, sample 18). C, Ilyocypris mongolica Martens, 1991 (LBM 1430009161, sample 17). D, Ilyocypris dentifera Sars, 1903 (LBM 1430009119, sample 6). E, Ilyocypris angulata Sars, 1903 (LBM 1430009112, sample 20). F, Ilyocypris incus sp. nov. (DB40054, sample 14). E has been reflected on the vertical axis to facilitate comparisons.
FIGURE 7 in Ilyocypris (Crustacea: Ostracoda) species in North East Asian rice fields description of one new species, and redescriptions of Ilyocypris dentifera Sars 1903 and Ilyocypris japonica Okubo, 1990
FIGURE 7. Two male specimens of Ilyocypris japonica from the same sample (Lake Biwa Museum rice field, 14 June 2013, sample 18; see Table 1), showing the two size types, large and small. A (LBM 1430009151) & B (LBM 1430009150), external view of right valves. C (LBM 1430009151) & D (LBM 1430009150), details of surface of valves, locations marked by dotted rectangles on A & B. Scale bar = 500 µm for A & B, 94 µm for C & D.
FIGURE 4. A–I in Ilyocypris (Crustacea: Ostracoda) species in North East Asian rice fields description of one new species, and redescriptions of Ilyocypris dentifera Sars 1903 and Ilyocypris japonica Okubo, 1990
FIGURE 4. A–I, Ilyocypris japonica Okubo, 1990. A, detail of female antenna (LBM 1430009156, sample 22; see Table 1). B, detail of male antenna (LBM 1430009155, sample 22). C, seventh limb, male (LBM 1430009154, sample 22). D, outline of female reproductive organ, arrow indicates anterior (LBM 1430009157, sample 22). E, hemipenis (LBM 1430009154, sample 22). F, copulatory process of hemipenis (LBM 1430009154, sample 22). G, hemipenis (LBM 1430009148, sample 15). H, copulatory process of hemipenis (LBM 1430009148, sample 15). I, outlines of the hemipenes of six specimens, some reflected on the vertical axis to facilitate comparisons (left to right LBM 1430009153, sample 22; LBM 1430009152, sample 21; LBM 1430009146, sample 15; LBM 1430009145, sample 10; LBM 1430009140, sample 5; LBM 1430009139, sample 3). J & K, Ilyocypris mongolica. J, hemipenis (LBM 1430009161, sample 17). K, copulatory process of hemipenis (LBM 1430009161, sample 17).
FIGURE 6 in Ilyocypris (Crustacea: Ostracoda) species in North East Asian rice fields description of one new species, and redescriptions of Ilyocypris dentifera Sars 1903 and Ilyocypris japonica Okubo, 1990
FIGURE 6. Light microscopy photographs of Ilyocypris Zenker organs. Black triangles mark the anterior ends. A, Ilyocypris japonica Okubo, 1990 (LBM 1430009144, sample 9; see Table 1). B, Ilyocypris dentifera Sars, 1903 (LBM 1430009119, sam- ple 6). C, Ilyocypris incus sp. nov. (LBM 1430009131, sample 14).
FIGURE 2. Ilyocypris japonica Okubo, 1990. Korean specimens. A in Ilyocypris (Crustacea: Ostracoda) species in North East Asian rice fields description of one new species, and redescriptions of Ilyocypris dentifera Sars 1903 and Ilyocypris japonica Okubo, 1990
FIGURE 2. Ilyocypris japonica Okubo, 1990. Korean specimens. A, female left valve, external view (LBM 1430009147, sample 15, see Table 1). B, female right valve, external view (LBM 1430009147, sample 15). C, female left valve, internal view (LBM 1430009147, sample 15). D, female right valve, internal view (LBM 1430009147, sample 15). E, female left valve, internal view, detail of postero-ventral margin (LBM 1430009147, sample 15). F, female right valve, internal view, detail of anteroventral margin (LBM 1430009147, sample 15). G, female left valve, internal view, muscle scars (LBM 1430009147, sample 15). H, male right valve, external view (LBM 1430009146, sample 15). I, male left valve, external view (LBM 1430009146, sample 15). J, female carapace, tuberculated form, right lateral view (LBM 1430009149, sample 16). K, female carapace, tuberculated form, oblique view of right side (LBM 1430009149, sample 16). Scale bar = 500 µm for A–D, H–K, 174 µm for E–G.
FIGURE 3. Ilyocypris japonica Okubo, 1990. A in Ilyocypris (Crustacea: Ostracoda) species in North East Asian rice fields description of one new species, and redescriptions of Ilyocypris dentifera Sars 1903 and Ilyocypris japonica Okubo, 1990
FIGURE 3. Ilyocypris japonica Okubo, 1990. A, antennule, male (LBM 1430009154). B, antenna, male (LBM 1430009155). C, mandibular palp, male (LBM 1430009158). D, mandibular coxa, male (LBM 1430009155). E, maxillula palp and endites (setae on endites not drawn), male (LBM 1430009154). F, fifth limb, female (LBM 1430009157). G, fifth limb palp, male (LBM 1430009154). H, sixth limb, male (LBM 1430009154), arrow and dashed line indicate length of first endopodal segment. I, caudal ramus, male (LBM 1430009155). All specimens from sample 22; see Table 1.
FIGURE 13. A–H in Ilyocypris (Crustacea: Ostracoda) species in North East Asian rice fields description of one new species, and redescriptions of Ilyocypris dentifera Sars 1903 and Ilyocypris japonica Okubo, 1990
FIGURE 13. A–H, Ilyocypris dentifera Sars, 1903. A, detail of male antenna (LBM 1430009119, sample 6; see Table 1). B, detail of female antenna (LBM 1430009124, sample 6). C, fifth limb palps, male (LBM 1430009119, sample 6). D, seventh limb, male (LBM 1430009119, sample 6). E, caudal ramus, male (LBM 1430009119, sample 6). F, outline of female reproductive organ, arrow indicates anterior (LBM 1430009127, sample 18). G, hemipenis (LBM 1430009119). H, copulatory process of hemipenis (LBM 1430009119, sample 6; see Table 1). I, outlines of the hemipenes of four specimens (clockwise LBM 1430009118, sample 4; LBM 1430009128, sample 21; LBM 1430009117, sample 2; LBM 1430009116, sample 1). J & K Ilyocypris angulata Sars, 1903. J, hemipenis (LBM 1430009112, sample 20). K, copulatory process of hemipenis (LBM 1430009112, sample 20). J & K have been reflected on the vertical axis to facilitate comparisons.
FIGURE 1. Ilyocypris japonica Okubo, 1990. Japanese specimens. A in Ilyocypris (Crustacea: Ostracoda) species in North East Asian rice fields description of one new species, and redescriptions of Ilyocypris dentifera Sars 1903 and Ilyocypris japonica Okubo, 1990
FIGURE 1. Ilyocypris japonica Okubo, 1990. Japanese specimens. A, female left valve, external view (LBM 1430009143, sample 6; see Table 1). B, female right valve, external view (LBM 1430009143, sample 6). C, female left valve, internal view (LBM 1430009143, sample 6). D, female right valve, internal view (LBM 1430009143, sample 6). E, female left valve, internal view, detail of postero-ventral margin (LBM 1430009143, sample 6). F, female right valve, internal view, detail of antero-ventral margin (LBM 1430009143, sample 6). G, female left valve, internal view, muscle scars (LBM 1430009143, sample 6). H, male right valve, external view (LBM 1430009141, sample 6). I, male carapace, dorsal view, anterior to right (LBM 1430009160, sample 25). J, female carapace, dorsal view, anterior to right (LBM 1430009142, sample 6). K, female carapace, tuberculated form, right lateral view (LBM 1430009159, sample 23). L, female carapace, tuberculated form, dorsal view, anterior to right (LBM 1430009159, sample 23). M, male left valve, ventral view (LBM 1430009141, sample 6). Scale bar = 500 µm for A–D, H–M, 174 µm for E–G.
Figure 1 in Anuran assemblage in a rice field agroecosystem in the Pantanal of central Brazil
Figure 1. Average temperatures (dotted line), cumulative monthly rainfall (solid line), species richness (light bars) and abundance of anurans (black bars) recorded in rice fields of Fazenda San Francisco, Miranda, MS, Brazil, from May 2007 to March 2008. The asterisk (*) indicates the months when the fields were flooded.
Figure 2 in Anuran assemblage in a rice field agroecosystem in the Pantanal of central Brazil
Figure 2. Absolute abundance of eight anuran species found in the rice fields of Fazenda San Francisco, Miranda, MS, Brazil, from May 2007 to March 2008.
Figure 4 in Anuran assemblage and its trophic relations in rice-paddy fields of South India
Figure 4. Dietary niche breadth of two anurans represented across males, females, and juveniles. Bars indicate upper and lower limits. Taxonomically distinct units are used for analysis. Dark grey bars represent M. ornata and pale grey bars represent M. caperata. Juveniles of M. ornata were not captured.
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