查询词典 wintering

This index is used for depicting the degree of fitness of physical environment for wintering anchovy, with temperature and salinity being taken as input parameters.

结果表明，鳀鱼的越冬洄游分布呈现出一种为温盐环境因子所"驱动"的态势；黄海冷水团和黄海暖流是其两个主要控制因素。

In the survey 7 populations including 74 individuals of wintering Black-faced Spoonbills were found.

本次黑脸琵鹭的越冬调查历时3个月，共7个省，基本上覆盖了江苏以南的东部沿海主要湿地和主要的岛屿沿岸湿地。

Cereal was the main component of food sources for wintering common cranes, accounting for 89.50%, which is maize, broomcorn, soybean and wheat .

收割后散落田间的谷物为其冬季食物的主要来源：其中玉米为最大宗食物，粪便中的总发现频率为89.50％，其后依次为高粱、冬小麦、黄豆。

In view of the fact that the O. t. dybowskii are in imminent danger, first, must take importance to protection of wintering areas;Next, must try our best to protect the important breeding areas;Finally, establishes a population including existing genetic diversity for reintroduction, thus enable it to get rid gradually is in imminent danger, achieves the bustard species protection the goal.

鉴于东方亚种的濒危境地，首先，要重视越冬地的保护；其次，要保护好重要繁殖区：最后，建立一个拥有现有遗传多样性水平的迁地保护种群，既可避免其遗传多样性的进一步丧失，又可为扩大野外种群的规模奠定基础，从而使其逐渐摆脱濒危境地，达到大鸨物种保护的目的。

Whooping crane chicks are conditioned to fly with an ultralight aircraft, which servers as their guide during the fall migration to their wintering area in western Florida.

从2003年至2005年计划还要进行3次超轻型飞机引航的美洲鹤人工迁徙。

In this study, cold hardiness of pupae and over-wintering adults among seasonal populations and geographic populations of Bactrocera dorsalis in China were assayed by measuring their supercooling capacity and cold survival ability.

昆虫是变温动物，遍布地球的各个角落，在其生命过程中，经历着复杂的生态环境变化，它们的生理功能、基本行为甚至进化途径无不受温度的控制和影响(Lee and Denlinger，1991)。

Research advances on the biological and ecological characteristics of P.japonica are summarized in this paper, which includes the variation in elytra color polymorphism, life history, fecundity, appetite, predation, over-wintering habits, artificial rearing technique, and population dynamics under natur...

本文从龟纹瓢虫的生物学和生态学特性，包括色斑变型、生活史、繁殖、食性、越冬、人工饲养、田间动态以及在生物防治上的应用等方面概述了龟纹瓢虫的研究进展，提出进一步深入开展龟纹瓢虫的人工饲养技术、贮藏技术和色斑变型遗传机制等的研究，不仅可以更好地为农业生产服务，而且可以充实昆虫生态位理论的研究内容。

Rarest are the Nordmann's greenshank, whose 1,000 surviving pairs breed on Sakhalin; the tiny but striking spoon-billed sandpiper from north-east Siberia; and the much larger black-faced spoonbill, whose population has doubled to over 2,000, thanks to better protection of its wintering sites.

最罕见的鸟是诺德曼青足鹬，只剩2000对左右在库页岛上。小巧却机敏的勺嘴矶鹞生活在西伯利亚的西北部，4000多只的大黑面琵鷺也生活在那里，是严寒的天气保护了它们。

The lake is not only a wintering ground for the species with bimodal and unimodal distribution patterns, but also a stopover site for part of their migrating population that wintering at more southern ground.

仅仅利用拉市海作为其南北迁移途中一个驿站的那部分种群在离开越冬地返回繁殖地时途径拉市海的持续迁徙时间小于其前往越冬地时途径拉市海的持续时间。

However, better wintering conditions next to human habitation may ingeneral compensate for the possible detrimental effects of pollutants on the P.

但是， 更好的wintering 的条件在人的居住旁边也许ingeneral 补尝污染物的可能的恶劣效果在P。

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。