We also think it unlikely that substratum type affected mudball style, because although it could conceivably affect the number of mudballs placed (by making it easier to excavate and form them), it should not affect the distance at which mudballs were placed. Although the total number of mudballs placed by females was smaller in 2000 (when burrow density was 1.6/m 2 ) than 1999 (burrow density, 2.6/m 2 ), zone 3 had the lowest burrow density (0.7 burrows/m 2 ) yet contained the highest proportion of male-style arrangements. We think that burrow density can be excluded as a factor affecting mudball style. We found no evidence that the lunar cycle, length and depth of the burrow, female size, or reproductive state of the female affected mudball style. We looked for differences between the styles of female mudballing and several factors. Unsurprisingly, mudball diameters were very similar across the three mudball arrangement styles, probably because mudball size is con- strained by the morphology of the crabs ambulatories that carry the completed mudballs. tangeri would have similar dif fi culties in distinguishing male from male-style mudball arrangements. The distance at which the mudballs were placed from the burrow was the key feature that we used to distinguish male-style and female arrangements, and DFA could not successfully separate male and male-style arrangements. Male-style mudball arrangements showed a strong similar- ity to male arrangements in the distance at which mudballs are placed, but they were more similar to female arrangements in the number of mudballs. There were no differences in the length (mean Ϯ SE: male-style, 31.5 Ϯ 1.5 cm, n ϭ 12 female, 28.2 Ϯ 2.0 cm, n ϭ 13) or depth (mean Ϯ SE: male-style, 21.1 Ϯ 1.7 cm, n ϭ 12 female, 25.9 Ϯ 1.8 cm, n ϭ 13) of the burrows inhabited by females making the different mudball arrangement styles. We adjusted the signi fi cance level to P Ͻ 0.008 for the Mann – Whitney post hoc tests to reduce the chances are committing a type I error therefore, the only signi fi cant difference in burrow sizes was that male-style females in 1999 had signi fi cantly larger burrow entrances than males in 2000. However, there was a signi fi cant difference in the burrow diameters of the crabs measured in 19 (Fig. There was no difference in the carapace width of the females making the two styles of mudball arrangement measured in 1999 (mean Ϯ SE: male- style, 27.1 Ϯ 0.28 mm, n ϭ 18 female, 27.8 Ϯ 0.4 cm, n ϭ 15). Furthermore, the sex of the nearest neighbor had no signi fi cant effect on female mudball arrangements (Mann – Whitney U tests: all P Ͼ 0.05). The distance from the focal burrow to that of the nearest neighbor did not differ signi fi cantly between male-style and female arrangements (mean Ϯ SE: male-style, 97.7 Ϯ 11.6 cm, n ϭ 20 female, 72.4 Ϯ 8.9, n ϭ 17). was no obvious pattern of change in the proportion of male-style and female mudball arrangements during the lunar cycle ( Fig. Game Sound Museum ~Namcot Edition~ S1 Dig Dug / Dig Dug II / ゲームサウンドミュージアム ~ナムコット編~ S1 ディグダグ・ディグダグII / Game Sound Museum ~Namcot-hen~ S1 Dig Dug / Dig Dug II SDEX-0050 SoundtrackįAMICOM MUSIC DVD ~NAMCOT EDITION~ / ファミコンミュージックDVD 〜ナムコット編〜 / FAMICOM MUSIC DVD ~NAMCOT EDITION~ SDDV-00027 Soundtrack, Arrangement NAMCO SOUND MUSEUM from X68000 / ナムコサウンドミュージアム from X68000 / NAMCO SOUND MUSEUM from X68000 SRIN-1168 Arrangementĩ624 EP UGSF / 9624 EP UGSF / 9624 EP UGSF N/A Fan Arrangementįamison BEST ALBUM / ファミソン8BIT☆アイドルマスター BEST ALBUM / Famison BEST ALBUM FVCG-1175 Soundtrack, Arrangement, Vocal, Drama, TalkĠ624 ~warubushi~ / 0624 わるぶし / 0624 ~warubushi~ N/A Fan Arrangementįamison 05 Chihaya Kisaragi / Iori Minase / ファミソン8BIT☆アイドルマスター 05 如月千早/水瀬伊織 / Famison 05 Chihaya Kisaragi / Iori Minase FVCG-1015 Arrangement, Vocal, Drama
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