Ecological and physiological effects and mechanism of flavonoid resistance to UV-B radiation are also analyzed.

There combined the landscape effect,using functions,historical civilization and ecological effect all in one plaza.

The relationship between soil microbial number and organic matter, total N, available N, and available P of soil samples, and the ecological effect of soil microbial physiological co.

The ecological effect,social role and cultural function are involved in this paper.

Research progress on environmental and ecological functions of earthworm.;

The ecological function and countermeasures of alluvial dam in north Shaanxi;

This article mainly summarized the definition and type of halophyte,its root,stem,leave adaptation to salt and its ecological function.

Discussion on ecological role of hydraulic lift in arid region;

Advances in studies on the ecological roles of tetrodotoxin

mitis (Pursh) Peter had unique ecological role and good economic benefit in the North Ningxia, which was regarded as well tolerance to waterlogging, resistance to saline and poor soil, high yield of seed and forage production and so on.

Seaweed cultivation and its ecological roles in coastal waters;

The paper reviews the status and development of study on characteristics of ecological effects of farmland shelterbelts, focusing on the major aspect such as effects of shelterbelts on wind structure and soil erosion, physical characteristics in the boundary layer of sh.