998 resultados para 16-159
Resumo:
A new species of hillstream loach genus Balitora Gray is discovered from Nanting River drainage, which drains to Salween, Yongde County, Yunnan, China. Balitora nantingensis can be distinguished from B. lancangjiangensis by a triangle-like blotch in nape absent vs. present; area from halfway of pelvicfin ray to anus covered by scales vs. no scales in this area; the first pectoral ray thickened vs. not; posterior end of pelvic-fin surpasses middle point from posterior end of pelvic-fin base to anal-fin origin vs. the end from posterior extremity of pelvic-fins to anus; fewer lateral line scales, 59-64 vs. 66-70; slightly longer head, SL 4.2-5.1 (4.6) times of HL vs. 5.0-5.9 (5.4); slightly larger eyes, HL 4.0-6.4 (5. 1) times of eye diameter vs. 5.5-7.5 (6.3). Balitora nantingensis can be distinguished from B. burmanica by body rounded vs. slender in dorsal view; pointed snout vs. blunt in dorsal view; a deeper body, body depth 12.5-16.9% of SL vs. 10-12%; a deeper caudal-peduncle, length of caudal-peduncle 2.0-2.8 times of its depth vs. 3.0-4.2; a shorter caudal-peduncle, 14.3-15.6% of SL vs. 16-21%; the average ratio of body width at pelvic-fin origin and distance between inner pelvic-fin base 2.0 vs. 3.4; body width 1.1-1.5 times of body depth vs. 1.5-1.6; posterior end of pelvic-fin almost one or slight more than one eye diameter from anus vs. closet to anus; outside rays of pelvic-fin extend more posteriorly than inside rays and make posterior outline of fin acclivitous and straight vs. the outside ones almost equal to the inside ones and make the fin slightly convex.
Resumo:
Schistura cryptofasciata is distinguished from its congeners by following combination characters: lateral line complete; 8(1)/(2) branched dorsal-fin rays; 9+8 branched caudal-fin rays; no sexual dimorphism; 8-11 indistinct bars, wider than interspaces; caudal-peduncle length 44.1-16.5% standard length, 68.1-90.4% dorsal head length; anterior portion of body scaleless; air bladder entirely embedded in bony capsule; lateral head length 104-122% dorsal head length; lower jaw with a notch at symphysis; lower lip completely interrupted; interorbital width 1.9-2.2 times eye diameter; pelvic-fin origin ventral to dorsal-fin origin; anus 1.0-1.5 eye diameters in front of anal-fin origin; the widest part of black basal caudal bar is the midlateral, and then the upper and lower ends.
Resumo:
滇、鄂产果蝇三新种(双翅目:果蝇科)张文霞,梁醒财(中国科学院昆明动物研究所,云南省昆明市650223)关键词双翅目;果蝇科;拱背果蝇属;果蝇属;新种;云南;湖北本文报道拱背果蝇属1新种:条纹拱背果蝇LordiPhasandtmp,sp.nov,,果...
Resumo:
报道了采自云南和四川等地蝙蝠蛾科Hepialus属昆虫4新种: 中支蝠蛾、叶日蝠蛾、美丽蝠蛾和里塘蝠蛾。模式标本保存于作者单位。图12(金显谟)
Resumo:
峨眉山东北坡坡面的气候和植被垂直变化明显,栖息地的气温和降水量有明 显的季节性变化, 浓密的下层植被是藏猴天然食物分布空间的重要组成部分。这 些结果支持了关于藏猴的生长发育及年龄-性别区分的有关假定,为该种群分布 高度限制因 素和觅食运动方式的探讨提供了依据。图3表2参16
Resumo:
对土垅大白蚁和簧翅大白蚁三个品极的干物质分析表明, 其工蚁的氨基酸总 量分别为42.16 %和48.06%; 兵蚁分别为38.55%和33.78%; 蚁后分别为46.23 %和41.09%。其必需氨基 酸含量占氨基酸总量的40%以上。土垅大白蚁蚁后的 体脂经甲酯化处理, 用气相色谱仪鉴定出13种脂肪酸, 其不饱和脂肪酸占68.77 %, 其中油酸(18:1)51.14%、亚油酸(18:2)13.01 %、亚麻酸(18:3)0.65%, 分析还发现含有十五碳酸、十七碳酸及十七碳—烯酸等不多见的奇数脂肪酸。图 1表3参9
Resumo:
报道分析了常用的云南3种燕窝的成分,蛋白质含量分别为45.28%, 47.78%和42.21%; 氨基酸总量分别为40.38%,40.02%和32.53%; 必需氨基酸含量分别为15.09%、14.37%和12.22%。另还分析了它们的脂肪、总糖、VA、VD、VC和常量元素与微量元素的含量, 并与进口燕窝的相应成分进行了比较, 表明常用的3种燕窝营养成分全面, 与进口燕窝的近似程度为: 短嘴金丝燕燕窝>白腰雨燕燕窝>小白腰雨燕燕窝。