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Addition of Ptyas nigromarginata (Blyth, 1854) (Squamata: Colubridae) to the Snake Fauna of Thailand with Preliminary Remarks on Its Distribution 泰国蛇类区系新增Ptyas nigromarginata (Blyth, 1854)(鳞片目:蛇科)并对其分布作初步评述
3区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2013-09-01 DOI: 10.3724/sp.j.1245.2013.000166
G. Vogel, S. Hauser
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引用次数: 0
Differences in Thermal Preference and Tolerance among Three Phrynocephalus Lizards (Agamidae) with Different Body Sizes and Habitat Use 不同体型和生境的三种沙蜥的热偏好和耐受性差异
3区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2013-09-01 DOI: 10.3724/SP.J.1245.2013.00214
Wang, Zheng, Lú, Hongliang, Ma, Li, Ji, Xiang
We acclimated adults of two viviparous (Phrynocephalus guinanensis and P. vlangalii) and one oviparous (P. versicolor) species of toad-headed lizards (Agamidae) to 28 °C, 33 °C and 38 °C to examine whether thermal preference (preferred body temperature, Tp) and thermal tolerance (critical thermal minimum, CTMin; critical thermal maximum, CTMax) were affected by acclimation temperature, and correlate with body size and habitat use. Both Tp and CTMax were highest in P. versicolor and lowest in P. vlangalii, with P. guinanensis in between. The two viviparous species did not differ in CTMin and thermal tolerance range, and they both were more resistant to low temperatures and had a wider range of thermal tolerance than the oviparous species. Both CTMin and CTMax shifted upward as acclimation temperature increased in all the three species. Tp was higher in the lizards acclimated to 33 °C than in those to 28 °C or 38 °C. The range of thermal tolerance was wider in the lizards acclimated to 28 °C than in those to 33 °C or 38 °C. The data showed that: 1) thermal preference and tolerance were affected by acclimation temperature, and differed among the three species of Phrynocephalus lizards with different body sizes and habitat uses; 2) both Tp and CTMax were higher in the species exchanging heat more rapidly with the environment, and CTMin was higher in the species using warmer habitats during the active season; and 3) thermal preference and tolerance might correlat with body size and habitat use in Phrynocephalus lizards.
本研究将两种胎生鬣蜥(Phrynocephalus guinanensis和P. vlangalii)和一种胎生鬣蜥(Agamidae)的成虫分别驯化在28°C、33°C和38°C环境中,以研究其热偏好(偏好体温,Tp)和热耐受性(临界最低热值,CTMin);临界热最大值(CTMax)受驯化温度的影响,并与体型和生境利用相关。Tp和CTMax均以花椒最高,花椒最低,桂花椒居中。两种胎生种的CTMin和耐热范围没有差异,均比胎生种更耐低温,耐热范围更广。CTMin和CTMax均随驯化温度的升高而升高。Tp在33°C环境中的含量高于28°C和38°C环境中的含量。适应28℃的蜥蜴的热耐受范围比适应33℃和38℃的蜥蜴更宽。结果表明:1)热偏好和耐热性受驯化温度的影响,且不同体型和生境的三种蜥类的热偏好和耐热性存在差异;2) Tp和CTMax在与环境换热较快的物种中较高,CTMin在活动季节处于较温暖生境的物种中较高;3)热偏好和热耐受性可能与体型和生境利用有关。
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引用次数: 13
New Replacement Name for Rana paradoxa Mocquard, 1890 with Designations of Lectotypes forRana paradoxa and Rana conspicil-lata Günther, 1872: Both Synonymized withLimnonectes kuhlii 新的替代名称为悖论蛙Mocquard, 1890年与悖论蛙和显著-lata蛙的选型命名;nther, 1872年:两者都与limnonectes kuhlii同义
3区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2013-09-01 DOI: 10.3724/sp.j.1245.2013.000187
M. Matsui, A. Dubois, A. Ohler
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引用次数: 0
Morganella morganii as a Causative Agent of Disease in the Chinese Giant Salamander (Andrias davidianus) 中华大鲵莫氏摩根菌的病原研究
3区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2013-09-01 DOI: 10.3724/sp.j.1245.2013.000197
Li Wang, Yong Wei, Yanqing Huang
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引用次数: 1
Relationship of Old World Pseudoxenodon and New World Dipsadinae, with Comments on Underestimation of Species Diversity of ChinesePseudoxenodon 旧大陆伪鲨与新世界伪鲨科的关系及其对中国伪鲨物种多样性低估的评述
3区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2013-09-01 DOI: 10.3724/sp.j.1245.2013.00155
Z. Bl, S. Huang
Assessment of the relationship between Pseudoxenodon and Dipsadinae has been hampered by lack of adequate samples. In this paper, we conducted phylogenetic analyses using two mitochondrial genes (12S and 16S rRNA) and one nuclear gene (c-mos) from thirteen specimens representing two species of Pseudoxenodon , together with 84 sequences of caenophidians and an outgroup sequence of Boa constrictor . Our study suggests that the Southeast Asian genus, Pseudoxenodon forms a robust genetic subclade within South American xenodontines, indicating that at least one lineage within this genus entered or returned to the Old World (OW) from the New World (NW) across the Beringian Land Bridge during the early Tertiary and the warm mid-Miocene. It also reveals the high intraspecific genomic variation within the populations of Pseudoxenodon macrops , indicating that species diversity of Pseudoxenodon in China is likely underestimated.
由于缺乏足够的样本,对假异齿目和双棘目之间关系的评估一直受到阻碍。本文利用2种拟异齿龙的2个线粒体基因(12S和16S rRNA)和1个核基因(c-mos),以及84条蛇类和1条蟒蛇外群序列进行了系统发育分析。我们的研究表明,东南亚的假异齿龙属在南美洲的异齿龙中形成了一个强大的遗传亚分支,表明该属中至少有一个谱系在第三纪早期和中新世中期的温暖时期从新世界(NW)进入或返回旧世界(OW)。该研究还揭示了中国巨齿假鲨种群中较高的种内基因组变异,表明中国巨齿假鲨的物种多样性可能被低估。
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引用次数: 5
Interspecific Differences in Diet between Introduced Red-eared Sliders and Native Turtles in China 中国引种红耳龟与本地龟食性的种间差异
3区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2013-09-01 DOI: 10.3724/sp.j.1245.2013.000190
J. Wang, Ht Shi, Sj Hu, K. Ma, C. Li
Although the alien Red-eared slider (Trachemys scripta elegans) is generally argued as an invasive species that competes with native turtles, the field evidence on its diet is controversial. Field studies conducted at the Gutian Nature Reserve of Guangdong and along the Wanquan River in Hainan, China show that T.s. elegans is an opportunitic omnivore, consuming a wide variety of food items. Consumption varies throughout its range; more plant material is consumed in Guangdong, compared to a more carnivorous diet in Hainan; and juveniles are also found to have a more carnivorous diet than adults. This implies a high adaptability to new environment. Sympatric native Mauremys sinensis shows a more herbivorous diet and a narrower niche breadth (0.0260) in Hainan, plus a low niche overlap (0.3048) with T.s. elegans, providing a potential empty niche for the invasive T.s. elegans. Red-eared slider is also known to consume large quantities of native prey species to disrupt the ecological balance. It is imperative to understand the invasive nature of this species and the mechanisms by which it affects native ecology.
虽然外来的红耳滑龟(Trachemys scripta elegans)通常被认为是一种与本地龟竞争的入侵物种,但关于其饮食的实地证据是有争议的。在广东古田自然保护区和中国海南万泉河沿岸进行的实地研究表明,秀丽隐杆线虫是一种机会性杂食动物,消耗各种各样的食物。消费在其范围内有所不同;广东消耗更多的植物材料,而海南则更多地以肉食为主;幼龙也比成年龙有更多的肉食性饮食。这意味着对新环境有很高的适应能力。海南同域本地毛毛线虫以草食为主,生态位宽度较窄(0.0260),与秀丽隐杆线虫的生态位重叠度较低(0.3048),为入侵的秀丽隐杆线虫提供了潜在的空白生态位。众所周知,红耳滑块还会消耗大量的本地猎物物种,破坏生态平衡。了解该物种的入侵性质及其影响本地生态的机制是当务之急。
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引用次数: 9
Ecology and Behaviour of Burton's Legless Lizard (Lialis burtonis, Pygopodidae) in Tropical Australia 澳大利亚热带地区伯顿无腿蜥蜴的生态学和行为
3区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2013-04-18 DOI: 10.3724/SP.J.1245.2013.00009
Michael Wall, R. Shine
The elongate, functionally limbless flap-footed lizards (family Pygopodidae) are found throughout Australia, ranging into southern New Guinea. Despite their diversity and abundance in most Australian ecosystems, pygopodids have attracted little scientific study. An intensive ecological study of one pygopodid, Burton's legless lizard (Lialis burtonis Gray 1835), was conducted in Australia's tropical Northern Territory. L. burtonis eats nothing but other lizards, primarily skinks, and appears to feed relatively infrequently (only 20.8% of stomachs contained prey). Ovulation and mating occur chiefly in the late dry-season (beginning around September), and most egg-laying takes place in the early to middle wet-season (November-January). Females can lay multiple clutches per year, some of which may be fertilised with stored sperm. Free-ranging L. burtonis are sedentary ambush foragers, with radio-tracked lizards moving on average < 5 m/day. Most foraging is done diurnally, but lizards may be active at any time of day or night. Radiotracked lizards were usually found in leaf-litter microhabitats, a preference that was also evident in habitat-choice experiments using field enclosures. Lizards typically buried themselves in 6-8 cm of litter; at this depth, they detect potential prey items while staying hidden from predators and prey and avoiding lethally high temperatures.
这种长而无肢的蹼足蜥蜴(足蜥科)遍布澳大利亚,一直延伸到新几内亚南部。尽管在大多数澳大利亚生态系统中它们的多样性和丰富性,但对它们的科学研究却很少。在澳大利亚的热带北领地,对一种足足动物——伯顿无腿蜥蜴(Lialis burtonis Gray 1835)进行了深入的生态学研究。L. burtonis只吃其他蜥蜴,主要是石龙子,而且进食频率相对较低(只有20.8%的胃含有猎物)。排卵和交配主要发生在旱季后期(9月左右开始),大多数产卵发生在雨季的早期到中期(11月至1月)。雌性每年可以产下多窝卵,其中一些卵可能会与储存的精子受精。自由放养的L. burtonis是久坐不动的伏击觅食者,无线电追踪的蜥蜴平均每天移动不到5米。大多数的觅食是在白天进行的,但蜥蜴可能在白天或晚上的任何时间都很活跃。无线电追踪的蜥蜴通常在落叶微栖息地中被发现,这种偏好在使用野外围栏的栖息地选择实验中也很明显。蜥蜴通常会把自己埋在6-8厘米的垃圾中;在这个深度,它们探测到潜在的猎物,同时躲避捕食者和猎物,并避免致命的高温。
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引用次数: 12
Phenotypic Plasticity in Embryonic Development of Reptiles: Recent Research and Research Opportunities in China 爬行动物胚胎发育的表型可塑性:最近的研究和中国的研究机会
3区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2013-04-18 DOI: 10.3724/SP.J.1245.2013.00001
Weiguo, Du, Xiang, Ji, Richard, Shine
Adaptive developmental plasticity can enable an organism to modify its phenotype rapidly, in response to local (and perhaps, unpredictable) conditions, by altering reaction norms during development. Previous studies on this topic have been dominated by western scientists, employing western study systems and approaches. Recently, the ex- pansion of Chinese ecological research has seen a broadening of studies taxonomically (phylogenetically). Here, we briefly summarize research that has been conducted on developmental plasticity in Chinese reptiles over the past two decades, and suggest productive directions for future studies in this field. There are exciting research opportunities in this field in China, and we call for increased collaboration between western and eastern scientists to elucidate the role of developmental plasticity in evolutionary responses of organisms to environmental changes. As human activities increase the intensity and frequency of such changes, the need to understand responses of biological systems becomes an increa- singly urgent priority.
适应性发育可塑性可以使生物体通过改变发育过程中的反应规范,迅速改变其表型,以响应局部(也许是不可预测的)条件。以往的研究以西方科学家为主,采用西方的研究体系和方法。近年来,中国生态学研究的扩展,在分类学(系统发育学)方面的研究日益广泛。本文简要总结了近二十年来中国爬行动物发育可塑性的研究进展,并对今后的研究方向进行了展望。中国在这一领域有令人兴奋的研究机会,我们呼吁西方和东方科学家加强合作,阐明发育可塑性在生物体对环境变化的进化反应中的作用。由于人类活动增加了这种变化的强度和频率,了解生物系统的反应的需要成为一个日益紧迫的优先事项。
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引用次数: 3
Reexamination of Sexual Dimorphism and Female Reproduction in the Many-Lined Sun Skink Eutropis multifasciata from China: Reexamination of Sexual Dimorphism and Female Reproduction in the Many-Lined Sun Skink Eutropis multifasciata from China 中国多筋直棱太阳鳞鱼性别二态性和雌性生殖的再考察——中国多筋直棱太阳鳞鱼性别二态性和雌性生殖的再考察
3区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2013-01-30 DOI: 10.3724/SP.J.1245.2012.00265
Du Yu, Sun Yanyan, Lin Chixian, Ji Xiang
We reexamined sexual dimorphism and female reproduction in the Many-Lined Sun Skink Eutropis multifasciata from Hainan,China. Our data confirm that adults are sexually dimorphic in body size and shape,with males being the larger sex and larger in head size but shorter in abdomen length than females of the same snoutvent length(SVL). The rate at which head width increased with SVL was greater in males as opposed to the previous conclusion that the rate does not differ between the sexes. Maternal size was the main determinant of reproductive investment,with larger females generally producing more,as well as larger,offspring. Females produced up to nine offspring per litter as opposed to the previously reported 2–7. Most females gave birth between March and August,a time period approximately four months longer than that(May–June) reported previously. Females with a higher fecundity tended to produce smaller offspring as opposed to the previous conclusion that females do not tradeoff offspring size against number. Litter size,neonate mass and litter mass remained remarkably constant among years,and litter mass was more tightly related to female body size than litter size or neonate mass. Smaller females could produce relatively heavier litters without a concomitant reduction in postpartum body condition.
我们重新研究了海南多纹太阳蜥蜴的两性二态性和雌性生殖。我们的数据证实,成虫在体型和体型上是两性二态的,在相同的嘴长(SVL)下,雄性比雌性更大,头部更大,腹部更短。头部宽度随SVL增加的比率在男性中更大,这与之前的结论相反,该比率在性别之间没有差异。母亲的体型是生殖投资的主要决定因素,体型较大的雌性通常会产生更多、更大的后代。雌性每窝产9个后代,而不是之前报道的2-7个。大多数雌性在3月至8月之间分娩,这一时期比之前报道的5月至6月要长大约4个月。与之前的结论相反,具有较高繁殖力的雌性倾向于产生较小的后代,即雌性不会在后代的大小和数量之间进行权衡。产仔数、产仔质量和产仔质量在多年间保持显著不变,产仔质量与雌性体型的关系比产仔数和产仔质量更密切。较小的雌性可以生产相对较重的幼崽,而不会伴随产后身体状况的减少。
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引用次数: 0
ISSR Markers as a Tool for Assessing Genetic Diversity in the Chinese Alligator ( Alligator sinensis ): ISSR Markers as a Tool for Assessing Genetic Diversity in the Chinese Alligator ( Alligator sinensis ) ISSR标记在中国扬子鳄遗传多样性评估中的应用:ISSR标记在中国扬子鳄遗传多样性评估中的应用
3区 生物学 Q2 Agricultural and Biological Sciences Pub Date : 2013-01-30 DOI: 10.3724/SP.J.1245.2012.00310
Nie Chuan-peng, W. Xiaobing, Li Yan-yan, Zhao Juan
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引用次数: 3
期刊
Asian Herpetological Research
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