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Plateau Pika; ISSR ; Cytochrome b gene ; Genetic diversity ; Genetic differentiation

高原鼠兔； ISSR ；细胞色素b基因；遗传多样性；遗传分化

These results suggest that there is a refractory period of the neuroendocrine-gonadal axis in Plateau pika to the antigonadotropic effects from short photoperiods.

此结果表明，在高原鼠兔季节性繁殖的年周期中，其神经内分泌—生殖轴对春分前短日照抑制作用，具有不应期。

The band shapes of hemoglobin electrophoresis were different between high altitude pika and rat.

据此报导基础上，西藏医科所＊］又在西藏三个不同海拔地区，对移居、世居以及只进人高原三个月的人群作了血红蛋白类型检查。

In this paper,genetic diversity and differentiation of four populations of Plateau Pika from both banks of the Brahmaputra River were assessed with inter-simple sequence repeat and Cyt b gene sequences.

本实验应用ISSR分子标记和细胞色素b(Cytochrome b，Cytb)基因序列分析了雅鲁藏布江两岸高原鼠兔4个种群的遗传多样性和遗传分化。

We investigated the behavior of plateau pika Ochotona curzoniae in populations of different density in 2003, using focal-animal sampling technique during the reproductive season, which included early stage, peak, middle and later stage of reproduction.

在2003年高原鼠兔的繁殖初期、繁殖盛期、繁殖中期和繁殖末期，采用目标动物取样法对其不同种群密度条件下的行为模式进行研究，探讨高原鼠兔的行为变化和种群密度的相互关系。

Those in the natural photoperiodic group both in pika's restoration phase and sexually quiescent phase.

分别在春分以前和秋分以后，在三组光照周期（16L：8D、自然光照、8L：16D）条件下，饲养鼠兔。

The percentage of LDH-H in cardiac muscle decreased in order in plateau zokor, plateau pika and SD rat.

同工酶谱显示，高原鼢鼠、高原鼠兔和SD大鼠的LDH中H亚基所占比例依次递减。

In conclusion, plateau zokor and plateau pika adapt better to hypoxia than SD rat by increasing the SV of mitochondria, MVD and content of Mb in the cardiac muscle. However, the parameters of mitochondria in the two high-altitude animals are different possibly because of the differences of habitats and habits.

以上结果提示，高原鼢鼠和高原鼠兔通过增加心肌线粒体SV、MVD以及Mb含量提高其在低氧环境获取氧的能力；同时，由于生境和习性上的不同，两者线粒体指标又表现出差异性。

EST sequence of LDH-C gene from black-lipped pika was cloned by PCR with degenerate primers; then the full length of open reading frame and 3'UTR sequence were cloned by RACE technique.

方法］采用简并引物PCR克隆得到黑唇鼠兔LDH-C基因的EST序列，再根据EST序列采用RACE技术克隆出基因的开放阅读框全长，和3'UTR序列。

The park includes the glaciers of the Columbia Icefield, hot springs, lakes, waterfalls and, of course, mountains. Wildlife in the park include elk, moose, mountain goat, bighorn sheep, grizzly bear, black bear, beaver, Rocky Mountain pika, hoary marmot and caribou.

公园里有哥伦比亚大冰原的冰川、温泉、湖泊、瀑布以及山脉等风景，野生动物包括驼鹿、北美麋鹿、北美野山羊、加拿大盘羊、灰熊、黑熊、河狸、落基山鼠兔、灰毛土拨鼠和北美驯鹿。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。