生态学

Marine, estuarine, and diadromous fish stocks at risk of extinction in North America.

大海洋生态渔业应该是遵循海洋生态学原理，符合海洋生态系统发展规律，保证海洋渔业资源健康、持续发展的现代化渔业。

Ecological discourse' can thus be seen as the most productive cultural form for generating and mobilising ideological consensus and dissentious in modern societies.

生态学讨论可被视为最有效的文化形式，它产生和推动现代社会的思想共识和争论。

The production that ecology and real zoology crisis indicate economism place is directive, lifestyle cannot last.

生态学和现实的生态危机都表明经济主义所指导的生产、生活方式是不可持续的。

Based on the GIS and RS techniques and the Landsat TM/ETM data and applying the principle of Landscape Ecology and the technique of GIS, the authors studied the dynamic change of the landscape pattern from 1991 to 2000 in Yanchi County of Ningxia, one of the typical farming-pasture ecotonal areas in China.

基于遥感和地理信息系统技术，以Landsat TM/ETM图像为基本数据源，综合运用景观生态学理论和方法，对我国典型农牧交错生态脆弱区宁夏盐池县1991~2000年生态景观格局动态变化进行了研究。

Thus, it is effective to comprehend the ecological process according to researching landscape pattern. To analyze the changes of landscape pattern along with times could not only reflect its ecotypic process, but also reveal the system and rule of landscape alternation that implementing the sustainable use of resource.

因此，通过研究景观格局可以更好的理解生态学过程，通过分析景观格局随时间的变化可以反映景观生态过程，揭示景观演替的机制和规律，实现资源的可持续利用。

As one new rising mode of the economy development that according to the natural ecosystem material circulation method, circular economy requests the enterprise follow the ecological regulation, reasonable use the natural resources and the environment capacity, develop the economy on the foundation that the material continuously and circularly using, make the economic system brought into in the material circulatory process of the natural ecosystem harmoniously and carry out the economic activity ecotypically.

循环经济作为近些年兴起的按照自然生态物质循环方式进行的经济发展模式，要求企业遵循生态学规律，合理利用自然资源和环境容量，在物质不断循环利用的基础上发展经济，使经济系统和谐地纳入到自然生态系统的物质循环过程中，实现经济活动的生态化。

to study the polymorphism of biological characteristics of Eichhornia crassipes and supply theoretical evidences for studies on it ecological characteristics and reasonable control.

研究水葫芦生物学特性的多态性，以期为研究生态学特性和合理防治提供理论依据。

An in situ monitoring case with Eichhornia crassipes was examined. Chlorophyll fluorescence were measured every 5 min and monitored continuously for 225 min.

由于活体叶绿素荧光是光合作用研究的有效探针，因此调制荧光仪在植物生理学、植物生理生态学等领域得到了广泛应用。

The biological and, ecological character, reproduction technique and exploitation as well as utilization of Elaeagnus mollis were summarized in the paper.

对翅果油树的生物学特性，生态学特性，繁殖技术及其开发利用进行了综述，并对其合理开发利用提出建议。

Endophytic fungi possess important biological and ecological effect.

内生真菌具有重要的生物学和生态学作用。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。